aartseni, Odostomia aartseni Nofroni, 1988
aartseni, Polemicella aartseni Robba, Di Geronimo & al., 2004
aartseni, Turbonilla aartseni Schander, 1994 - syn of: Turbonilla melvilli (Dautzenberg, 1912)
abbotti, Ividella abbotti (Olsson & McGinty, 1958)
abbotti, Turbonilla abbotti (Robba, Di Geronimo & al., 2004)
abbotti, Chemnitzia abbotti Robba, Di Geronimo & al., 2004 - syn of: Turbonilla abbotti (Robba, Di Geronimo & al., 2004)
abbreviata, Pyrgulina abbreviata Monterosato, 1884 - syn of: Turbonilla amoena (Monterosato, 1878)
abdita, Eulimella abdita Peñas & Rolán, 2016
abei, Trabecula abei (Nomura, 1938)
abercrombiei, Turbonilla abercrombiei Melvill, 1896
abjecta, Sayella abjecta (Hedley, 1909)
abjunctus, Pyrgiscus abjunctus Laws, 1937 † (FOSSIL)
abnorma, Marginodostomia abnorma (Nomura, 1937)
abrardi, Pyrgiscus abrardi (Fischer-Piette & Nicklés, 1946)
abrardi, Turbonilla abrardi Fischer-Piette & Nicklés, 1946 - syn of: Pyrgiscus abrardi (Fischer-Piette & Nicklés, 1946)
abreojensis, Turbonilla abreojensis Dall & Bartsch, 1909
abreui, Turbonilla abreui Peñas & Rolán, 2000
abreui, Liostomia abreui Peñas, Rolán & Swinnen, 2015
abrupta, Turbonilla abrupta Bush, 1899
abseida, Turbonilla abseida Dall & Bartsch, 1906
abstrusa, Puposyrnola abstrusa Peñas & Rolán, 2016
academica, Turbonilla academica Strong & Hertlein, 1939
accesa, Eulimella accesa Peñas & Rolán, 2016
accresta, Maricarmenia accresta Peñas & Rolán, 2017
acer, Turbonilla acer (Laws, 1937)
acerrima, Syrnola acerrima Watson, 1886
achates, Pyramidella achates (Gould, 1853)
achatinella, Odostomia achatinella Adams, 1860
acicula, Puposyrnola acicula (Lamarck, 1804) † (FOSSIL)
acicula, Eulimella acicula (Philippi, 1836)
acicula intersecta, Eulimella acicula intersecta de Folin
acicularis, Turbonilla acicularis (Adams, 1855)
acicularis, Chemnitzia acicularis (Laseron, 1951) - syn of: Chemnitzia similis (Laseron, 1951)
aciculata, Cossmannica aciculata (Adams, 1854)
aciculata, Eulimella aciculata Philippi, 1836 - syn of: Eulimella acicula (Philippi, 1836)
aciculina, Odostomia aciculina Souverbie, 1865
aclis, Rissosyrnola aclis (Adams, 1853)
aclyformis, Syrnola aclyformis Marwick, 1929 † (FOSSIL)
acosmia, Turbonilla acosmia Dall & Bartsch, 1906
acosta, Turbonilla acosta Bartsch, 1919 - syn of: Derjuginella rufofasciata (Smith, 1875)
acra, Turbonilla acra Dall & Bartsch, 1909
acrifa, Evalea acrifa Bartsch, 1915 - syn of: Melanella acrifa (Bartsch, 1915)
acrisecta, Puposyrnola acrisecta Ludbrook, 1941 † (FOSSIL)
acrybia, Odostomia acrybia Dall & Bartsch, 1909
actaeoniformis, Menestho actaeoniformis Nomura, 1938
actophora, Chemnitzia actophora Dall & Bartsch, 1906
actopora, Turbonilla actopora Dall & Bartsch, 1906
aculeus, Turbonilla aculeus (Adams, 1852)
acuminata, Menestho acuminata Preston, 1908
acuminatum, Styloptygma acuminatum Gould, 1861
acupicta, Folinella acupicta Peñas & Rolán, 2017
acus, Pyramidella acus (Gmelin, 1791)
acus, Turbonilla acus (Pfeiffer, 1840)
acusacuta, Eulimella acusacuta Peñas & Rolán, 2016
acusangusta, Eulimella acusangusta Peñas & Rolán, 1997 - syn of: Eulimella polygyrata Dautzenberg, 1912
acusbifasciata, Syrnola acusbifasciata Peñas & Rolán, 2016
acusgradata, Syrnola acusgradata Peñas & Rolán, 2016
acusiformis, Syrnola acusiformis Nomura, 1938
acuta, Turbonilla acuta (Donovan, 1804)
acuta, Odostomia acuta Jeffreys, 1848
acuta, Parthenina interstincta acuta Nordsieck
acuta attenuata, Odostomia acuta attenuata Marshall, 1896
acuta gracilis, Odostomia acuta gracilis Marshall, 1893 - syn of: Odostomia acuta Jeffreys, 1848
acuta litoris, Odostomia acuta litoris Coen, 1937
acuta minor, Odostomia acuta minor Nordsieck, 1972
acuta umbilicaris, Odostomia acuta umbilicaris Malm, 1863 - syn of: Odostomia umbilicaris (Malm, 1863)
acutangula, Odostomia acutangula Suter, 1908
acuticostata, Turbonilla acuticostata Jeffreys, 1873 - syn of: Turbonilla mirifica Pallary, 1904
acuticostata, Turbonilla acuticostata Jeffreys, 1884 - syn of: Turbonilla postacuticostata Sacco, 1892
acuticostata, Odostomia acuticostata Jeffreys, 1884 - syn of: Turbonilla postacuticostata Sacco, 1892
acutidens, Odostomia acutidens Dall, 1884
acutiformis, Eulimella acutiformis Peñas & Rolán, 2016
acutilirata, Turbonilla acutilirata Sowerby, 1892 - syn of: Cingulina trachealis (Gould, 1861)
acutiperipherata, Siogamaia acutiperipherata (Nomura, 1936)
acutissima, Turbonilla acutissima Monterosato, 1884
acutissima, Syrnola acutissima Peñas & Rolán, 2016
adaba, Turbonilla adaba Bartsch, 1915
adamsi, Syrnola adamsi (Tryon, 1886)
adamsi, Pyramidella adamsi Carpenter, 1864
adamsi, Turbonilla adamsi Cossmann, 1912 - syn of: Turbonilla coomansi Van Aartsen, 1994
adamsiana, Turbonilla adamsiana Nomura, 1936
adducta, Pyrgulina adducta Peñas & Rolán, 2017
adeps, Pyrgiscilla adeps Laws, 1937 † (FOSSIL)
adipata, Odostomia adipata Hedley, 1909 - syn of: Odostomia oxia Watson, 1886
adiposa, Megastomia adiposa (Laseron, 1959)
admeta, Turbonilla admeta Bartshc, 1955 - syn of: Turbonilla hemphilli Bush, 1899 †
admira, Turbonilla admira (Nomura, 1937)
admira, Chemnitzia admira Nomura, 1937 - syn of: Turbonilla admira (Nomura, 1937)
admiranda, Turbonilla admiranda Tate & May, 1900 - syn of: Sayella fusca (Adams, 1839)
adolforolani, Turbonilla adolforolani Peñas & Rolán, 2010
adolphi, Megastomia adolphi (Saurin, 1959)
adusta, Turbonilla adusta Dall & Bartsch, 1909
adventicia, Syrnola adventicia Peñas & Rolán, 2016
aeaea, Eulimella aeaea Melvill, 1904
aemilia, Turbonilla aemilia Thiele, 1925
aemulatrix, Parthenina aemulatrix Peñas & Rolán, 2017
aepynota, Odostomia aepynota Dall & Bartsch, 1909
aepynota planicosta, Odostomia aepynota planicosta Baker, Hanna & Strong, 1928
aequalis, Turbonilla aequalis (Say, 1826)
aequalis, Chemnitzia aequalis auct. non Say, 1826 - syn of: Turbonilla hemphilli Bush, 1899 †
aequilibritas, Trabecula aequilibritas Peñas & Rolán, 2017
aequisculpta, Odostomia aequisculpta Carpenter, 1864
aethra, Odostomia aethra Bartsch, 1915
affectuosa, Parthenina affectuosa (Yokoyama, 1927)
affinis, Turbonilla affinis (Adams, 1852)
affinis, Chrysallida affinis (Laseron, 1959)
affinis, Eulimella affinis Philippi, 1844 - syn of: Eulimella ventricosa (Forbes, 1844)
africana, Orinella africana (Bartsch, 1915)
africana, Cyclostremella africana Bartsch, 1915 - syn of: Solariella fuscomaculata Sowerby, 1892
africana, Odostomella africana Schander, 1994 - syn of: Odostomella doliolum (Philippi, 1844)
africana, Chrysallida africana Van Aartsen & Corgan, 1996
afzelii, Liostomia afzelii Warén, 1991
agana, Miralda agana (Bartsch, 1915)
aganea, Syrnola aganea (Bartsch, 1915)
aganea, Pyramidella aganea Bartsch, 1915 - syn of: Syrnola aganea (Bartsch, 1915)
agassizi, Pyramidella agassizi (Pilsbry, 1906)
agatha, Turbonilla agatha Thiele, 1925
aglaia, Polyspirella aglaia (Bartsch, 1915)
aglaia, Nisiturris aglaia (Bartsch, 1915) - syn of: Polyspirella aglaia (Bartsch, 1915)
agrestis, Pyrgiscus agrestis Aldrich, 1911 † (FOSSIL)
agria, Peristichia agria Dall, 1889
ailhaudi, Turbonilla ailhaudi (Saurin, 1959)
akasakiensis, Siogamaia akasakiensis Nomura, 1938
akkeshiensis, Menestho akkeshiensis Habe, 1958
alacer, Pyrgiscus alacer Saurin, 1959
alarconi, Turbonilla alarconi Strong, 1949
alaskana, Turbonilla alaskana Dall & Bartsch, 1909
alba, Odostomia alba Calkins, 1878 - syn of: Melanella conoidea (Kurtz & Stimpson, 1851)
alba, Odostomia alba Jeffreys, 1848 - syn of: Brachystomia scalaris (Macgillivray, 1843)
albella, Turbonilla albella Adams, 1861
albella, Odostomia albella Jeffreys, 1867 - syn of: Brachystomia carrozzai (Van Aartsen, 1987)
albella, Odostomia albella Lovén, 1846 - syn of: Odostomia unidentata (Montagu, 1803)
albella, Turbonilla albella Lovén, 1846 - syn of: Odostomia unidentata (Montagu, 1803)
albolapis, Turbonilla albolapis (Laws, 1937) † (FOSSIL)
albula, Menestho albula (Fabricius, 1780)
albuquerqueae, Odostomia albuquerqueae Peñas, Rolán & Swinnen, 2014
alcmena, Turbonilla alcmena Bartsch, 1955 - syn of: Turbonilla levis Adams, 1850
alesii, Parthenina alesii Micali, Nofroni & Perna, 2012
aleutica, Odostomia aleutica Dall & Bartsch, 1909
alexanderi, Odostomia alexanderi Marwick, 1929 † (FOSSIL)
alexleoni, Turbonilla alexleoni Peñas & Rolán, 2010
alfredensis, Orinella alfredensis (Bartsch, 1915)
alfredi, Turbonilla alfredi Abbott, 1958
algoensis, Megastomia algoensis (Thiele, 1925)
alia, Odostomia alia Peñas & Rolán, 1999
alicae, Egilina alicae (Hornung & Mermod, 1924)
aliquanta, Odostomia aliquanta Peñas & Rolán, 1999
aliter, Megastomia aliter Peñas & Rolán, 1999
alleryi, Chrysallida alleryi Kobelt, 1903 - syn of: Parthenina monterosatii (Clessin, 1900)
alleryi, Evalea alleryi Nordsieck, 1972 - syn of: Ondina scandens (Monterosato, 1884)
alleryi coeni, Chrysallida alleryi coeni Coen, 1937 - syn of: Spiralinella incerta (Milaschewitsch, 1916)
allungata, Megastomia allungata Nordsieck, 1972 - syn of: Megastomia alungata Nordsieck, 1972
alma, Nisiturris alma (Thiele, 1925)
almejasensis, Turbonilla almejasensis Bartsch, 1917
almo, Turbonilla almo Dall & Bartsch, 1909
alpha, Eulimella alpha Laws, 1938 † (FOSSIL)
alphonsi, Besla alphonsi Saurin, 1959
alpina, Strioturbonilla alpina (Sacco, 1890)
alpini, Exesilla alpini (Brazier, 1877)
alta, Turbonilla alta Clessin, 1902
altapex, Syrnola altapex Peñas & Rolán, 2016
altecara, Parthenina altecara Peñas & Rolán, 2017
altenai, Pyrgiscus altenai Van Aartsen & Corgan, 1996
altenburgensis, Turbonilla altenburgensis Geinitz, 1848 † (FOSSIL)
altiminima, Pyrgulina altiminima Peñas & Rolán, 2017
altina, Odostomia altina Dall & Bartsch, 1909
altinodosa, Parthenina altinodosa Peñas & Rolán, 2017
altispira, Rissopsetia altispira Ponder, 1974
altumincile, Parthenina altumincile Peñas & Rolán, 2017
alungata, Megastomia alungata Nordsieck, 1972
alvarezhalconi, Turbonilla alvarezhalconi Peñas & Rolán, 2010
alveatoides, Pyrgulina alveatoides (Nomura, 1938)
alvheimi, Turbonilla alvheimi Lygre & Schander, 2010
amabilis, Iolaea amabilis Adams, 1867
amabilis, Agatha amabilis Nomura, 1936
amabilis, Pyrgulina amabilis Saurin, 1959
amalia, Turbonilla amalia Thiele, 1925
amanda, Odostomia amanda Garrett, 1863
amandi, Turbonilla amandi Strong & Hertlein, 1939
amava, Odostomia amava Oldroyd, 1925 † (FOSSIL)
amazonica, Iolaea amazonica Van Aartsen & Wesselingh, 2000 † (FOSSIL)
ambagiosa, Syrnola ambagiosa Melvill, 1904
ambigua, Odostomia ambigua (Maton & Rackett, 1807)
ambigua, Turbonilla ambigua (Saurin, 1962)
ambigua, Paradoxella ambigua Laseron, 1959
ambigua, Chrysallida ambigua Weinkauff, 1867 - syn of: Chrysallida emaciata (Brusina, 1866)
ambigua angusta, Odostomia ambigua angusta Jeffreys, 1859 - syn of: Syrnola angusta Laseron, 1951
ambigua notata, Odostomia ambigua notata Jeffreys, 1848
ambigua novegradensis, Odostomia ambigua novegradensis Brusina, 1865
ambulatia, Asmunda ambulatia (Laseron, 1951)
ambulatia, Zaphella ambulatia Nomura, 1938 - syn of: Asmunda ambulatia (Laseron, 1951)
ambusta, Mormula ambusta Dall & Bartsch, 1909
amchitkana, Evalea amchitkana (Dall & Bartsch, 1909)
americana, Turbonilla americana (D'Orbigny, 1841)
americana, Odostomia americana Dall & Bartsch, 1904
amianta, Odostomia amianta Dall & Bartsch, 1907
amicalis, Iolaea amicalis (Yokoyama, 1927)
amicalis, Odostomia amicalis Yokoyama, 1927 - syn of: Iolaea amicalis (Yokoyama, 1927)
amicitia, Pyrgiscus amicitia (Nomura, 1936)
amicitia, Pyrgiscilla amicitia Nomura, 1936 - syn of: Pyrgiscus amicitia (Nomura, 1936)
amicitica, Turbonilla amicitica Nomura, 1936
amilda, Odostomia amilda Dall & Bartsch, 1909
amiriana, Turbonilla amiriana Hertlein & Strong, 1951
amoebaea, Eulimella amoebaea (Watson, 1886)
amoena, Monotygma amoena (Adams, 1853)
amoena, Turbonilla amoena (Monterosato, 1878)
amortajadensis, Turbonilla amortajadensis Baker, Hanna & Strong, 1928
ampliata, Megastomia ampliata (Saurin, 1962)
ampliusulcata, Turbonilla ampliusulcata Peñas & Rolán, 2010
anabathmis, Odostomia anabathmis Melvill, 1910
anacra, Pyrgulina anacra Saurin, 1959
anae, Turbonilla anae Peñas & Rolán, 2010
anaglypta, Pukeuria anaglypta Laws, 1941 † (FOSSIL)
analoga, Tiberia analoga Van Aartsen & Corgan, 1996
analogica, Eulimella analogica Peñas & Rolán, 2016
anceps, Ondina anceps Gaglini, 1992
ancisa, Odostomia ancisa (Marwick, 1931) † (FOSSIL)
andamanensis, Odostomia andamanensis (Preston, 1908)
andersi, Turbonilla andersi Peñas & Rolán, 2010
andoi, Odostomia siogamaensis andoi Nomura
andrewsi, Turbonilla andrewsi Dall & Bartsch, 1909
anegasakiensis, Odostomia anegasakiensis Ikebe, 1936
anfraconvex, Nisiturris anfraconvex (Peñas & Rolán, 2010)
angasi, Syrnola angasi (Tryon, 1886)
angasi, Odostomia angasi Tryon, 1886 - syn of: Syrnola angasi (Tryon, 1886)
angea, Pyrgolampros angea Bartsch, 1915
angeli, Eulimella angeli Peñas & Rolán, 1997
angelinagagliniae, Turbonilla angelinagagliniae Schander, 1997
angolensis, Turbonilla angolensis Schander, 1994
angularis, Odostomia angularis (Seeley) † (FOSSIL)
angularis, Odostomia angularis Dall & Bartsch, 1907
angulatum, Odostomia angulatum Semper † (FOSSIL)
angulifera, Syrnola angulifera (Laws, 1937) † (FOSSIL)
anguliferens, Folinella anguliferens (de Folin, 1873)
anguliferens, Chrysallida anguliferens (de Folin, 1873) - syn of: Folinella anguliferens (de Folin, 1873)
angulosa, Chrysallida angulosa (Monterosato, 1889) - syn of: Parthenina angulosa (Monterosato, 1889)
angulosa, Parthenina angulosa (Monterosato, 1889)
angusta, Turbonilla angusta (Carpenter, 1864)
angusta, Brachystomia angusta (Jeffreys, 1867)
angusta, Syrnola angusta Laseron, 1951
angusta, Ebalina angusta Saurin, 1959 - syn of: Ebalina vixornata (de Folin, 1875)
angustacostae, Pyrgulina angustacostae Peñas & Rolán, 2017
angustissima, Nisiturris angustissima (Melvill, 1904)
angustissima, Turbonilla angustissima Melvill, 1904 - syn of: Nisiturris angustissima (Melvill, 1904)
angustula, Chemnitzia angustula (Pilsbry & Johnson, 1917) † (FOSSIL)
anira, Turbonilla anira Bartsch, 1927
anna, Turbonilla anna Thiele, 1925
annae, Besla annae Saurin, 1959
annamitica, Turbonilla annamitica (Saurin, 1959)
annettae, Turbonilla annettae Dall & Bartsch, 1909
annobonensis, Chrysallida annobonensis Peñas & Rolán, 2002
annulata, Oscilla annulata (Adams, 1854)
anodyna, Pyrgulina anodyna Peñas & Rolán, 2017
anselmoi, Parthenina anselmoi (Peñas & Rolán, 1998)
anselmoi, Chrysallida anselmoi Peñas & Rolán, 1998 - syn of: Parthenina anselmoi (Peñas & Rolán, 1998)
anselmoi, Turbonilla anselmoi Peñas & Rolán, 2010
anselmopenasi, Turbonilla anselmopenasi Lygre & Schander, 2010
antelia, Odostomia antelia Melvill, 1896
antemunda, Turbonilla antemunda Dall & Bartsch, 1909
antestriata, Turbonilla antestriata Dall & Bartsch, 1907
antilleana, Odostomia antilleana Treece, 1980
antimaiae, Chrysallida antimaiae Schander, 1994 - syn of: Chrysallida obesa (Dautzenberg, 1912)
antiquitas, Turbonilla antiquitas Peñas & Rolán, 2010
antizonata, Chemnitzia antizonata Stoppani, 1857 † - syn of: Omphaloptycha turris (Stoppani, 1857) † (FOSSIL)
anularia, Turbonilla anularia Peñas & Rolán, 2010
anxia, Odostomia anxia Hedley, 1909
aola, Turbonilla aola Peñas & Rolán, 2010
aomori, Odostomia aomori Nomura, 1938
aoteana, Turbonilla aoteana Powell, 1930
aperanta, Syrnola aperanta Melvill, 1906
apexdemissus, Odostomia apexdemissus Peñas, Rolán & Swinnen, 2014
apicifusca, Tiberia apicifusca Van Aartsen, Gittenberger & Goud, 1998
apiciglobosus, Pyrgiscus apiciglobosus Robba, 2013 † (FOSSIL)
aplini, Turbonilla aplini Brazier, 1877
appeliusi, Odetta appeliusi (Hornung & Mermod, 1925)
applanata, Herviera applanata (Melvill, 1893)
approximans, Kongsrudia approximans (Dautzenberg, 1912)
approximans, Pyrgulina approximans Dautzenberg, 1912 - syn of: Kongsrudia approximans (Dautzenberg, 1912)
approximata, Turbonilla approximata (Dall & Bartsch, 1906)
approximata, Chemnitzia approximata Dall & Bartsch, 1906 - syn of: Turbonilla approximata (Dall & Bartsch, 1906)
aprustica, Pyramidella aprustica Crema, 1903 - syn of: Euparthenia bulinea (Lowe, 1841)
apsa, Turbonilla apsa Bartsch, 1915
aquilonaria, Turbonilla aquilonaria Absalão, Dos Santos & Tenório, 2003
aquilonia, Oscilla aquilonia Pimenta, Santos & Absalão, 2008
aquilonis, Oscilla aquilonis Pimenta, Santos & Absalão, 2008 - syn of: Oscilla aquilonia Pimenta, Santos & Absalão, 2008
aquitanica, Ondina coarctata aquitanica Nordsieck
arabica, Eulimella arabica Issel, 1869
araceliae, Turbonilla araceliae Peñas & Rolán, 2010
aracruzensis, Turbonilla aracruzensis Pimenta & Absalão, 2004
arae, Syrnola arae Peñas & Rolán, 2002
aragoni, Turbonilla aragoni Dall & Bartsch, 1909
arata, Dunkeria arata Dall & Bartsch, 1909
aratibacillum, Chemnitzia aratibacillum (Pilsbry & Johnson, 1917) † (FOSSIL)
arayai, Turbonilla arayai (Nomura, 1936)
arayai, Chemnitzia arayai Nomura, 1936 - syn of: Turbonilla arayai (Nomura, 1936)
arcana, Turbonilla arcana Laws, 1937 † (FOSSIL)
archeri, Turbonilla archeri Dall & Bartsch, 1904
archetypum, Pyrgulina archetypum Peñas & Rolán, 2017
archimedea, Cingulina archimedea Melvill, 1896
arcta, Eulimella arcta Peñas & Rolán, 2016
arctelirata, Linopyrga arctelirata (de Folin & Périer, 1879)
arctica, Aartsenia arctica (Dall & Bartsch, 1909)
arcuata, Evalea arcuata (Adams, 1860)
arcuata, Turbonilla arcuata (Nomura, 1936)
arcuata, Egila arcuata Laws, 1941 † (FOSSIL)
arcuata, Chemnitzia arcuata Nomura, 1936 - syn of: Turbonilla arcuata (Nomura, 1936)
arenarum, Besla arenarum Saurin, 1959
arenosa, Pyramidella arenosa Conrad, 1843 - syn of: Longchaeus suturalis (Lea, 1843)
areolata, Chrysallida areolata Rayneval & Ponzi, 1854 - syn of: Parthenina indistincta (Montagu, 1808)
areolata, Turbonilla areolata Verrill, 1873 - syn of: Turbonilla interrupta (Totten, 1835)
aresta, Turbonilla aresta Dall & Bartsch, 1909
arfica, Pyrgulina arfica (Bartsch, 1915)
argentea, Turbonilla argentea Sowerby, 1892
argentina, Turbonilla argentina (Doello-Jurado, 1938)
arguta, Pyrgulina arguta Peñas & Rolán, 2017
arianae, Turbonilla arianae Hornung & Mermod, 1924
aripana, Turbonilla aripana Strong, 1949
armandoi, Turbonilla armandoi Peñas & Rolán, 2010
armata, Odostomia armata Carpenter, 1857
arnoldoi, Turbonilla arnoldoi De Jong & Coomans, 1988
arowhana, Odostomia arowhana Marwick
arrighii, Turbonilla arrighii (Saurin, 1959)
arta, Turbonilla arta Peñas & Rolán, 2010
articulata, Besla articulata Hedley, 1909
artiumbilici, Parthenina artiumbilici Peñas & Rolán, 2017
arundo, Syrnola arundo Peñas & Rolán, 2016
asamusi, Siogamaia asamusi Nomura, 1936
asiatica, Chrysallida asiatica Corgan, 1970
asmundinus, Pyrgiscus asmundinus (Saurin, 1959)
aspera, Turbonilla aspera Kuroda & Habe, 1971
aspera, Odostomia aspera Nomura, 1938
asperedolata, Turbonilla asperedolata Laws, 1940 † (FOSSIL)
asperula, Turbonilla asperula Bush, 1899
asperulata, Dunkeria asperulata Adams, 1860 - syn of: Cerithidium fuscum (Adams, 1860)
asser, Turbonilla asser Dall & Bartsch, 1909
assimilans, Turbonilla assimilans Smith, 1890
assimilis, Bouchetmella assimilis Peñas & Rolán, 2016
assimilis, Parthenina assimilis Peñas & Rolán, 2017
astricta, Odostomia astricta Dall & Bartsch, 1907
asunae, Turbonilla asunae Peñas & Rolán, 2010
asuncionis, Turbonilla asuncionis Strong, 1949
ata, Odostomia ata Bartsch, 1926
ataktos, Eulimella ataktos Warén, 1991
atlantica, Turbonilla atlantica (Locard, 1897)
atlantis, Eulimella atlantis Peñas & Rolán, 1999
atlasi, Turbonilla atlasi Bartsch, 1955 - syn of: Turbonilla penistoni Bush, 1899
atossa, Odostomia atossa Dall, 1908
atrisaxi, Megastomia atrisaxi (Saurin, 1959)
attentissima, Miralda attentissima (Nomura, 1936)
attenuata, Syrnola attenuata (Dall, 1892)
attenuata, Odostomia attenuata Dall, 1892 - syn of: Syrnola attenuata (Dall, 1892)
attenuata, Turbonilla attenuata Jeffreys, 1884 - syn of: Turbonilla micans (Monterosato, 1875)
attenuata, Odostomia acuta attenuata Marshall
attenuata, Rissopsetia attenuata Peñas & Rolán, 2017
attracta, Helodiamea attracta Peñas & Rolán, 2017
attrita, Turbonilla attrita Dall & Bartsch, 1909
atypha, Turbonilla atypha Bush, 1899
aucklandica, Odostomia aucklandica Laws, 1939
audax, Odostomia audax Baker, Hanna & Strong, 1928
augeasi, Turbonilla augeasi Bartsch, 1955 - syn of: Turbonilla hemphilli Bush, 1899 †
augusti, Besla augusti Saurin, 1959
aulica, Turbonilla aulica (Dall & Bartsch, 1906)
aulica, Paramormula aulica Dall & Bartsch, 1906 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
aulicus, Pyrgiscus aulicus Dall & Bartsch, 1906 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
aupouria, Terelimella aupouria (Powell, 1937)
aurakiensis, Odostomia aurakiensis Laws, 1939 - syn of: Odostomia haurakiensis Laws, 1939
aurantia, Turbonilla aurantia (Carpenter, 1864)
aurantia, Syrnola aurantia (Petterd, 1884)
aurantiaca, Syrnola aurantiaca (Angas, 1867)
aureocinctus, Pyrgiscus aureocinctus (Kuroda & Habe, 1971)
aureosuturalis, Eulimella aureosuturalis Peñas & Rolán, 2016
auricolor, Turbonilla auricolor (Nomura, 1936)
auricolor, Pyrgolampros auricolor Nomura, 1936 - syn of: Turbonilla auricolor (Nomura, 1936)
auricoma, Pyramidella auricoma Dall, 1889
aurifasciata, Eulimella aurifasciata Peñas & Rolán, 2016
auriscata, Otopleura auriscata Holten, 1802 - syn of: Otopleura auriscati (Holten, 1802)
auriscati, Otopleura auriscati (Holten, 1802)
auriscati magnifica, Otopleura auriscati magnifica (Adams & Reeve, 1850)
auroraensis, Chrysallida auroraensis Ward & Blackwelder, 1987 † (FOSSIL)
australis, Agatha australis (Angas, 1871)
australis, Odostomia australis Jeffreys, 1867 - syn of: Megastomia conoidea (Brocchi, 1814)
australis, Pyramidella australis Laseron, 1959 - syn of: Otopleura mitralis (Adams, 1855)
australis, Syrnola australis Stilwell & al., 2004
australis, Cingulina australis Tenison-Woods, 1877 - syn of: Lironoba australis (Tenison-Woods, 1877)
australis, Chrysallida australis Thiele, 1930
austropacifica, Miralda austropacifica Oliver, 1915
ava, Pyramidella ava Bartsch, 1926
avellana, Odostomia avellana Carpenter, 1864
avitensis, Turbonilla avitensis Cossmann & Peyrot, 1917 † (FOSSIL)
awaajensis, Tibersyrnola awaajensis (Wissema, 1947) † (FOSSIL)
awajiensis, Odostomia awajiensis Nomura, 1938 - syn of: Marginodostomia suturamarginata (Nomura, 1936)
awakinoensis, Mormulasta awakinoensis (Laws, 1937) † (FOSSIL)
awamoana, Turbonilla awamoana Laws, 1937 † (FOSSIL)
awasimulans, Turbonilla awasimulans Laws, 1937 † (FOSSIL)
awatubu, Odostomella awatubu (Nomura, 1938) † (FOSSIL)
awatumida, Odostomia awatumida Laws, 1939 † (FOSSIL)
awaziensis, Kleinella awaziensis Nomura, 1939
axeli, Turbonilla axeli Bartsch, 1924
axialyrae, Oscilla axialyrae Peñas & Rolán, 2017
aya, Turbonilla aya Bartsch, 1926
ayamana, Turbonilla ayamana Hertlein & Strong, 1951
ayukawaensis, Odostomia ayukawaensis Nomura, 1938
azona, Syrnola azona Nomura, 1937
azorensis, Turbonilla obliquata azorensis Nordsieck
azteca, Turbonilla azteca Baker, Hanna & Strong, 1926
azteca, Odostomia azteca Strong & Hertlein, 1939
babellina, Egilina babellina Saurin, 1958
babylonia, Pseudoscilla babylonia (Adams, 1845)
babylonia, Chemnitzia babylonia Adams, 1845 - syn of: Pseudoscilla babylonia (Adams, 1845)
babylonia, Liamorpha babylonia Adams, 1845 - syn of: Pseudoscilla babylonia (Adams, 1845)
babylonia, Menestho babylonia Adams, 1845 - syn of: Pseudoscilla babylonia (Adams, 1845)
babylonia, Odostomia babylonia Adams, 1845 - syn of: Pseudoscilla babylonia (Adams, 1845)
babylonia, Cingulina babylonia Adams, 1845 - syn of: Pseudoscilla babylonia (Adams, 1845)
babylonica, Odostomia babylonica Winckworth, 1940
bacalladoi, Turbonilla bacalladoi Peñas & Rolán, 2010
bachia, Odostomia bachia Bartsch, 1927
bacillum, Tibersyrnola bacillum (Pilsbry, 1901)
badia, Tropaeas badia (Adams, 1863)
baegerti, Turbonilla baegerti Bartsch, 1917
bahiensis, Turbonilla bahiensis (De Castellanos, 1982)
bairdi, Pyramidella bairdi Dall & Bartsch, 1909
bakeri, Turbonilla bakeri Bartsch, 1912
baldridgeae, Odostomia baldridgeae Bartsch, 1912
ballerina, Urambella ballerina Laseron, 1959 - syn of: Pyramidella dolabrata (Linnaeus, 1758)
balteata, Tiberia balteata (Adams, 1855)
balteata, Pyramidella balteata Adams, 1855 - syn of: Tiberia balteata (Adams, 1855)
balteata, Odostomia balteata Sowerby, 1900
bancoensis, Cossmannica bancoensis Saurin, 1959
bandonensis, Morrisonietta bandonensis Brandt, 1968
bantama, Pyrgulina bantama Van Aartsen & Corgan, 1996
baptistini, Salassia baptistini Saurin, 1959
baranoffensis, Odostomia baranoffensis Dall & Bartsch, 1909
barashi, Auristomia barashi (Bogi & Galil, 2000)
barashi, Odostomia barashi Bogi & Galil, 2000 - syn of: Auristomia barashi (Bogi & Galil, 2000)
barazeri, Turbonilla barazeri Peñas & Rolán, 2010
barkleyensis, Odostomia barkleyensis Dall & Bartsch, 1910
barnardi, Odostomia barnardi Van Aartsen & Corgan, 1996
barrierensis, Turbonilla barrierensis (Laws, 1937)
barroi, Turbonilla barroi Peñas & Rolán, 2010
barthelemyi, Turbonilla barthelemyi Saurin, 1958
bartolomensis, Turbonilla bartolomensis Bartsch, 1917
bartonella, Turbonilla bartonella Strong & Hertlein, 1939
bartrumi, Odostomia bartrumi Laws, 1940 † (FOSSIL)
bartschi, Careliopsis bartschi (Aguayo & Rehder, 1936)
bartschi, Fargoa bartschi (Winkley, 1909)
bartschi, Turbonilla bartschi Aguayo & Rehder, 1936 - syn of: Bacteridium bermudense (Dall & Bartsch, 1911)
bartschi, Babella bartschi Dautzenberg & Fischer, 1906 - syn of: Egilina callista (Melvill, 1893)
bartschiana, Chemnitzia bartschiana Brown & Pilsbry, 1913 † (FOSSIL)
basicinctus, Pyrgiscus basicinctus (Saurin, 1959)
basicordata, Turbonilla basicordata (Nomura, 1936)
basicordata, Chemnitzia basicordata Nomura, 1936 - syn of: Turbonilla basicordata (Nomura, 1936)
basicostata, Parthenina interstincta basicostata Nordsieck
basicostata, Parthenina basicostata Peñas & Rolán, 2017
basilica, Turbonilla basilica Melvill, 1898
basilica, Rissopsetia basilica Peñas & Rolán, 2017
basisfuniculata, Parthenina basisfuniculata Peñas & Rolán, 2017
basistriata, Puposyrnola basistriata Robba, Di Geronimo, Chaimanee & al., 2004
bataviana, Costosyrnola bataviana (Martin, 1884) † (FOSSIL)
bathybius, Turbonilla bathybius Barnard, 1963
bathyraphe, Peristichia bathyraphe (Sowerby, 1901)
bathyraphe, Turbonilla bathyraphe Sowerby, 1901 - syn of: Peristichia bathyraphe (Sowerby, 1901)
batllori, Noemiamea batllori Moreno, Peñas & Rolán, 2003 † (FOSSIL)
batyraphe, Chrysallida batyraphe Sowerby, 1901
bavayi, Pyrgulina bavayi Dautzenberg, 1913 - syn of: Turbonilla gruveli Dautzenberg, 1912
bayensis, Turbonilla bayensis Van Aartsen & Corgan, 1996
baygiongina, Syrnola baygiongina Saurin, 1959
beali, Turbonilla beali Jordan, 1936
beatrix, Styloptygma beatrix (Melvill, 1910)
beaufortensis, Chrysallida beaufortensis Ward & Blackwelder, 1987 † (FOSSIL)
beaufortensis, Orinella beaufortensis Ward & Blackwelder, 1987 † (FOSSIL)
beauforti, Odostomia beauforti Jacot, 1921
beccarii, Oscilla beccarii (Hornung & Mermod, 1924)
becki, Odostomia becki Turton, 1933
beddomei, Turbonilla beddomei (Petterd, 1884)
bedoti, Megastomia bedoti (Hornung & Mermod, 1924)
bedoti, Turbonilla bedoti Dautzenberg, 1913 - syn of: Turbonilla subulina Monterosato, 1889
bedoti, Syrnola bedoti Hornung & Mermod, 1924 - syn of: Megastomia bedoti (Hornung & Mermod, 1924)
bedoyai, Turbonilla bedoyai Peñas & Rolán, 1997
beermanae, Menestho beermanae De Jong & Coomans, 1988
bega, Turbonilla bega Peñas & Rolán, 2010
behainei, Cossmannica behainei Saurin, 1959
beidaensis, Turbonilla beidaensis Peñas & Rolán, 2000
belenae, Turbonilla belenae Peñas & Rolán, 2010
bella, Lancea bella Dall & Bartsch, 1906 - syn of: Turbonilla varicosa (Adams, 1855)
bella, Turbonilla bella Dall & Bartsch, 1906 - syn of: Turbonilla varicosa (Adams, 1855)
bellardii, Cingulina bellardii Hornung & Mermod, 1924
bellula, Chrysallida bellula Adams, 1860
belonis, Turbonilla belonis (Melvill & Standen, 1896)
belonis, Amamimormula belonis Melvill & Standen, 1896 - syn of: Turbonilla belonis (Melvill & Standen, 1896)
belotheca, Turbonilla belotheca Dall, 1889
belsantii, Asmunda belsantii Saurin, 1959
beltiana, Turbonilla beltiana Hertlein & Strong, 1951
bengoensis, Turbonilla bengoensis Peñas & Rolán, 1997
bentenzimana, Odostomia bentenzimana Nomura, 1937
benthicola, Terelimella benthicola Dell, 1956
benthina, Odostomia benthina Dall & Bartsch, 1909
beringensis, Liostomia beringensis Golikov & Kussakin, 1978
beringi, Odostomia beringi Dall, 1871
bermudense, Bacteridium bermudense (Dall & Bartsch, 1911)
bernardi, Odostomia bernardi Van Aartsen, Gittenberger & Goud, 1998
berryi, Pyrgolampros berryi Bartsch, 1907
bertae, Pyrgulina bertae Peñas & Rolán, 2017
beta, Eulimella beta Laws, 1938 † (FOSSIL)
bexleyana, Turbonilla bexleyana Laws, 1937 † (FOSSIL)
biangulata, Turbonilla biangulata (Robba, Di Geronimo, Chaimanee & al., 2004)
biangulata, Odostomia biangulata Laws, 1939 † (FOSSIL)
biangulata, Chemnitzia biangulata Robba, Di Geronimo, Chaimanee & al., 2004 - syn of: Turbonilla biangulata (Robba, Di Geronimo, Chaimanee & al., 2004)
bicarinata, Chemnitzia bicarinata Carpenter, 1856
bicarinata, Goniodostomia bicarinata Landau & LaFollette, 2015 † (FOSSIL)
bicarinata, Menesthella bicarinata Robba, 2013 † (FOSSIL)
bicarinata, Salassia bicarinata Robba, Di Geronimo, Chaimanee & al., 2004
bicincta, Odostomella bicincta (Tiberi, 1868)
bicincta, Turbonilla bicincta Adams, 1860
bicincta, Chrysallida bicincta Tiberi, 1874 - syn of: Odostomella doliolum cylindrica Bucquoy, Dautzenberg & Dollfus, 1885
bicinctella, Besla bicinctella (Yokoyama, 1927)
bicolor, Pyramidella bicolor Menke, 1854
bicolor, Eulimella bicolor Peñas & Rolán, 2016
bifariam, Pyrgulina bifariam Peñas & Rolán, 2017
bifasciata, Syrnola bifasciata Tenison-Woods, 1876
bifida, Oscilla bifida Peñas & Rolán, 2017
bifilosa, Turbonilla bifilosa Barnard, 1963
biformis, Odostomia biformis Saurin, 1962
bifuniculata, Parodostomia bifuniculata Robba, 2013 † (FOSSIL)
bilineata, Syrnola bilineata Garvie, 2013 † (FOSSIL)
bilirata, Pseudoscilla bilirata (de Folin, 1870)
binhdinhensis, Megastomia binhdinhensis (Saurin, 1958)
binilicia, Folinella binilicia Peñas & Rolán, 2017
biolleyi, Turbonilla biolleyi Hertlein & Strong, 1951
biplicata, Odostomia biplicata (Hedley, 1899)
biplicata, Moerchia biplicata P. Fischer, 1877
biplicata, Oopyramis biplicata Thiele, 1930
bipyramidata, Brachystomia bipyramidata Nomura, 1940
birestis, Pyrgiscilla birestis (Laseron, 1959)
birestris, Turbonilla birestris (Laseron, 1959)
bisculpta, Linopyrga bisculpta Laseron, 1951
bisculptus, Pyrgiscus bisculptus (Nomura, 1937)
biseriata, Oscilla biseriata auct. non Gabb, 1881 - syn of: Triptychus niveus (Mörch, 1875)
bismichaelis, Odostomia bismichaelis Sacco, 1892
bissagosensis, Odostomia bissagosensis Peñas, Rolán & Swinnen, 2014
bisulcata, Turbonilla bisulcata Peñas & Rolán, 2010
bisuturalis, Boonea bisuturalis (Say, 1822)
bitaeniata, Eulimella bitaeniata Sowerby, 1903 - syn of: Ebala bitaeniata (Sowerby, 1903)
bittiformis, Chemnitzia bittiformis Carpenter, 1856
biturbida, Syrnola biturbida Yokoyama, 1927
biumbilicata, Parthenina biumbilicata Pimenta, 2012
bizonalis, Syrnola bizonalis Adams, 1860
bjoernsoni, Chrysallida bjoernsoni Warén, 1991 - syn of: Chrysallida bjoernssoni Warén, 1991
bjoernssoni, Chrysallida bjoernssoni Warén, 1991
blanchae, Turbonilla blanchae Peñas & Rolán, 2010
blanda, Pyrgolampros blanda Finlay, 1924
boermani, Odostomia boermani Van Aartsen, Gittenberger & Goud, 1998
bogii, Eulimella bogii Van Aartsen, 1995
boholensis, Chemnitzia boholensis (Adams, 1855)
boisselierae, Turbonilla boisselierae Peñas & Rolán, 2010
bokotoensis, Chrysallida bokotoensis Nomura, 1939
bona, Pyrgiscus bona (Nomura, 1937)
bonardi, Puposyrnola bonardi Saurin, 1959
bonellii, Turbonilla bonellii (Saurin, 1959)
bonellii, Turbonilla bonellii Pavia, 1976 † (FOSSIL)
bonellii, Chemnitzia bonellii Saurin, 1959 - syn of: Turbonilla bonellii (Saurin, 1959)
boninensis, Pyrgiscus boninensis (Nomura, 1939)
boninensis, Pyrgiscilla boninensis Nomura, 1936 - syn of: Pyrgiscus boninensis (Nomura, 1939)
borealis, Longchaeus suturalis borealis Nordsieck
boshuensis, Miralda boshuensis Nomura, 1937
bosyuensis, Oscilla bosyuensis (Nomura, 1937) - syn of: Odetta bosyuensis (Nomura, 1937)
bosyuensis, Odetta bosyuensis (Nomura, 1937)
boteroi, Odostomia boteroi Schander, 1994 - syn of: Megastomia conoidea (Brocchi, 1814)
boucheti, Pyrabinella boucheti Faber, 2013 - syn of: Chrysallida thetisae Espinosa & Ortea, 2011
boucheti, Chrysallida boucheti Peñas & Rolán, 1999
boucheti, Turbonilla boucheti Peñas & Rolán, 2010
boucheti, Bouchetmella boucheti Peñas & Rolán, 2016
bougainville, Turbonilla bougainville Peñas & Rolán, 2010
bowenensis, Turbonilla bowenensis Laseron, 1959
boydae, Eulimella boydae Van Aartsen, Gittenberger & Goud, 2000
brachia, Turbonilla brachia Smith, 1890
brandhorsti, Odostomia brandhorsti Van Aartsen, Gittenberger & Goud, 1998
branfordensis, Turbonilla elegantula branfordensis Bartsch
brasiliensis, Turbonilla brasiliensis Clessin, 1902
brattstroemi, Parthenina brattstroemi (Warén, 1991)
brattstroemi, Chrysallida brattstroemi Warén, 1991 - syn of: Parthenina brattstroemi (Warén, 1991)
brazieri, Cingulina brazieri Angas, 1877
brenda, Pyrgulina brenda (Adams, 1860)
brevicula, Monotygma brevicula (Melvill & Standen, 1903)
brevicula, Odostomia brevicula Jeffreys, 1883 - syn of: Turbonilla amoena (Monterosato, 1878)
brevicula, Pyrgulina brevicula Monterosato, 1884 - syn of: Parthenina monterosatii (Clessin, 1900)
brevis, Pyrgiscus brevis (Nomura, 1936)
brevis, Linopyrga brevis (Pritchard & Gatliff, 1900)
brevis, Pyrgiscilla brevis Nomura, 1936 - syn of: Pyrgiscus brevis (Nomura, 1936)
brevis, Turbonilla brevis Nomura, 1936 - syn of: Pyrgiscus brevis (Nomura, 1936)
brevis, Turbonilla brevis Reuss, 1867
brevis, Agatha brevis Yokoyama, 1922
brevisculpta, Ovalina brevisculpta Peñas & Rolán, 2017
brevisutura, Turbonilla brevisutura (Laws, 1937) † (FOSSIL)
brevisutura, Eulimella brevisutura Peñas & Rolán, 2016
breviter, Parthenina breviter Peñas & Rolán, 2017
britannica, Menestho britannica Bell, 1871 † (FOSSIL)
britannica, Menestho britannica Harmer, 1920 † (FOSSIL)
brodieae, Turbonilla brodieae Peñas & Rolán, 2010
broti, Megastomia broti (Hornung & Mermod, 1924)
broti, Syrnola broti Hornung & Mermod, 1924 - syn of: Megastomia broti (Hornung & Mermod, 1924)
brugnonei, Odostomia brugnonei Monterosato, 1874 - syn of: Syrnola pistillum Adams, 1863
bruneri, Odostomia bruneri Verrill, 1882
brunnea, Colsyrnola brunnea (Adams, 1854)
brunnea, Syrnola brunnea Adams, 1854 - syn of: Colsyrnola brunnea (Adams, 1854)
brunneomaculata, Tropaeas brunneomaculata (Melvill, 1897)
brunneomaculata, Tropaeas brunneomaculata Melvill, 1897 - syn of: Tropaeas brunneomaculata (Melvill, 1897)
brusinae, Chrysallida brusinae Cossmann, 1921 - syn of: Spiralinella incerta (Milaschewitsch, 1916)
brusinae, Evalea brusinae Nordsieck, 1972 - syn of: Ondina vitrea (Brusina, 1866)
brusinai, Chrysallida brusinai Cossmann, 1921 - syn of: Spiralinella incerta (Milaschewitsch, 1916)
buala, Turbonilla buala Peñas & Rolán, 2010
bucknilli, Turbonilla bucknilli (Laws, 1937)
bucquoyi, Parthenina bucquoyi Locard, 1886 - syn of: Odostomella doliolum (Philippi, 1844)
bughotu, Turbonilla bughotu Peñas & Rolán, 2010
buijsei, Fargoa buijsei (De Jong & Coomans, 1988)
buijsei, Eulimella buijsei Van Aartsen, Gittenberger & Goud, 2000 - syn of: Koloonella buijsi (Van Aartsen, Gittenberger & Goud, 2000)
bulbula, Odostomia bulbula Hedley, 1907
buliminoides, Marginodostomia buliminoides (Tate & May, 1900) - syn of: Rugadentia buliminoides (Tate & May, 1900)
buliminoides, Rugadentia buliminoides (Tate & May, 1900)
bulimoides, Odostomia bulimoides Brugnone, 1873 - syn of: Odostomia bulimulus Monterosato, 1874
bulimoides, Odostomia bulimoides Souverbie & Montrouzier, 1865
bulimulus, Odostomia bulimulus Monterosato, 1874
bulimulus ignorata, Odostomia bulimulus ignorata Monterosato, 1917 - syn of: Odostomia ignorata (Monterosato, 1917)
bulinea, Euparthenia bulinea (Lowe, 1841)
bulinea sulcata, Euparthenia bulinea sulcata (Bucquoy, Dautzenberg & Dollfus, 1885)
bullata, Odostomia bullata Nomura, 1937
bullula, Odostomia bullula Gould, 1861
burchi, Turbonilla burchi Gordon, 1938
burdigalica, Eulimella burdigalica Cossmann & Peyrot, 1917 † (FOSSIL)
buriti, Pyrgulina buriti Saurin, 1962
bushiana, Fargoa bushiana (Bartsch, 1909)
bushiana, Strioturbonilla bushiana Bartsch, 1909 - syn of: Turbonilla bushiana Verrill, 1882
bushiana, Turbonilla bushiana Verrill, 1882
buteonis, Turbonilla buteonis Bartsch, 1909
butoli, Pyrgulina butoli Saurin, 1962
buttoni, Turbonilla buttoni Dautzenberg, 1912
buzzurroi, Odostomia buzzurroi Peñas & Rolán, 1999
buzzurroi, Turbonilla buzzurroi Peñas & Rolán, 2010
byramensis, Odostomia byramensis McNeil, 1984 † (FOSSIL)
cabrilloi, Turbonilla cabrilloi Bartsch, 1917
caca, Turbonilla caca (Bartsch, 1926)
cachiai, Kejdonia cachiai (Mifsud, 1998)
cactiorum, Turbonilla cactiorum Peñas & Rolán, 2010
caduca, Chrysallida caduca (Laseron, 1959)
caelata, Monotygma caelata Adams, 1861
caelata, Parthenia caelata Adams, 1863 - syn of: Babella caelatior (Dall & Bartsch, 1906)
caelata, Babella caelata Adams, 1863 - syn of: Babella caelatior (Dall & Bartsch, 1906)
caelata, Egilina caelata Adams, 1863 - syn of: Babella caelatior (Dall & Bartsch, 1906)
caelatior, Babella caelatior (Dall & Bartsch, 1906)
caelatior, Turbonilla caelatior Dall & Bartsch, 1906 - syn of: Babella caelatior (Dall & Bartsch, 1906)
caelatura, Chrysallida caelatura (Laseron, 1951)
caladoi, Turbonilla caladoi Peñas & Rolán, 2010
calcarella, Odostomia calcarella Bartsch, 1912
caledonica, Babella caledonica Peñas & Rolán, 2017
caledonica, Pyrgulina caledonica Peñas & Rolán, 2017
calendalis, Pyrgulina calendalis Saurin, 1959
calesi, Longchaeus calesi Bartsch, 1955 - syn of: Longchaeus suturalis (Lea, 1843)
californica, Odostomia californica Dall & Bartsch, 1909
calini, Turbonilla calini Espinosa & Ortea, 2014
callembryon, Puposyrnola callembryon (Dautzenberg & Fischer, 1906)
callia, Turbonilla callia Dall & Bartsch, 1909
callimene, Odostomia callimene Bartsch, 1912
callimorpha, Odostomia callimorpha Dall & Bartsch, 1909
calliope, Odostomia calliope Bartsch, 1912
callipeplum, Turbonilla callipeplum Dall & Bartsch, 1909
callipyrga, Odostomia callipyrga Dall & Bartsch, 1904
callista, Cingulina callista (Bartsch, 1915)
callista, Egilina callista (Melvill, 1893)
callosa, Vagna callosa Saurin, 1959
calva, Eulimella calva Schander, 1994 - syn of: Koloonella calva (Schander, 1994)
calvertensis, Pyrgulina calvertensis Martin, 1904 † (FOSSIL)
calvini, Turbonilla calvini Dall & Bartsch, 1909
camara, Pyramidella camara Bartsch, 1927
cambodgiensis, Pyrgulina cambodgiensis Saurin, 1962
campanellae, Chemnitzia campanellae Philippi, 1836 - syn of: Turbonilla lactea (Linnaeus, 1758)
campbellica, Turbonilla campbellica Odhner, 1924
campbonensis, Odostomia campbonensis Vasseur, 1881 † (FOSSIL)
cana, Odostomia cana Adams, 1860
canadensis, Turbonilla canadensis Bartsch, 1917
canaensis, Besla canaensis Saurin, 1959
canalesi, Parthenina canalesi Peñas & Rolán, 2017
canalicia, Pyrgulina canalicia Peñas & Rolán, 2017
canaliculata, Chrysallida canaliculata (Philippi, 1836)
canaliculata, Chemnitzia canaliculata Rigaux & Sauvage, 1868 † - syn of: Rigauxia canaliculata (Rigaux & Sauvage, 1868) † (FOSSIL)
canaliculata, Pyramidella canaliculata Sowerby, 1874 - syn of: Longchaeus insularum (Pilsbry, 1922)
canaliculatum, Eulimastoma canaliculatum (Adams, 1850)
canaliculatus, Longchaeus canaliculatus (Gabb, 1873) † (FOSSIL)
canaliculatus, Longchaeus insularum canaliculatus Sowerby
canaria, Megastomia canaria (Hedley, 1907)
canariensis, Chrysallida canariensis Nordsieck & Talavera, 1979
cancellaris, Kleinella cancellaris Adams, 1860
cancellata, Turbonilla cancellata (Carpenter, 1857)
cancellata, Chrysallida cancellata (D'Orbigny, 1841)
candida, Turbonilla candida (Adams, 1855)
candida, Aartsenia candida (Møller, 1842)
candida, Dunkeria candida Adams, 1861 - syn of: Turbonilla deae (Nomura, 1937)
candida, Turbonilla candida de Folin, 1870 - syn of: Syrnola etiennei (Dautzenberg, 1912)
candida, Amaura candida Møller, 1842 - syn of: Aartsenia candida (Møller, 1842)
candida multigyrata, Turbonilla candida multigyrata (Adams, 1855)
candidissima, Dunkeria candidissima Dall & Bartsch, 1906 - syn of: Turbonilla deae (Nomura, 1937)
candidus, Longchaeus candidus (Mörch, 1875)
canfieldi, Odostomia canfieldi Dall, 1908
cangeyrani, Turbonilla cangeyrani Ovalis & Mifsud, 2017
cani, Syrnola cani Saurin, 1959
canina, Megastomia canina Peñas & Rolán, 1999
canquei, Turbonilla canquei Dautzenberg, 1912
cantaurana, Chrysallida cantaurana Landau & LaFollette, 2015
capa, Odostomia capa Bartsch, 1926
capensis, Syrnola capensis Sowerby, 1892
capensis, Odostomia capensis Thiele, 1925
capitana, Odostomia capitana Dall & Bartsch, 1909
capiticava, Pseudorissoina capiticava Hedley & May, 1908
capixaba, Turbonilla capixaba Pimenta & Absalão, 2004
captiosa, Parthenina captiosa Peñas & Rolán, 2017
cara, Turbonilla cara (Nomura, 1936)
cara, Chemnitzia cara Nomura, 1936 - syn of: Turbonilla cara (Nomura, 1936)
carasiensis, Carasia carasiensis Jekelius, 1944 † (FOSSIL)
carbasea, Mumiola carbasea Melvill, 1904
carbonellae, Pyrgulina carbonellae Peñas & Rolán, 2017
carceralis, Odostomella carceralis Pimenta, Absalão & Alencar, 2000
caribbaeus, Pyrgiscus caribbaeus Landau & LaFollette, 2015
carifa, Careliopsis carifa Bartsch, 1915
carinae, Evalea carinae Van Aartsen & Corgan, 1996
carinata, Eulimella carinata de Folin, 1870 - syn of: Bacteridium carinatum (de Folin, 1870)
carinata, Odostomia carinata Marshall, 1893 - syn of: Odostomia plicata (Montagu, 1803)
carinata, Cingulina carinata Mörch, 1876 - syn of: Pyramidelloides carinatus (Mörch, 1876)
carinatum, Bacteridium carinatum (de Folin, 1870)
carlosruizi, Turbonilla carlosruizi Peñas & Rolán, 2010
carlotae, Turbonilla carlotae Peñas & Rolán, 2010
carlottoi, Turbonilla carlottoi Schander, 1994
carmanica, Eulimella carmanica Melvill, 1903
carmeae, Turbonilla carmeae Peñas & Rolán, 2010
carmenae, Turbonilla carmenae Peñas & Rolán, 2010
carminae, Eulimella carminae Peñas & Micali, 1999
carpenteri, Turbonilla carpenteri Dall & Bartsch, 1909
carpinei, Chrysallida carpinei Van Aartsen, Gittenberger & Goud, 2000
carrozzai, Brachystomia carrozzai (Van Aartsen, 1987)
cassandra, Odostomia cassandra Bartsch, 1912
casta, Pyrgulina casta (Adams, 1861)
casta, Pyrgulina casta (Adams, 1864)
casta, Monotygma casta Adams, 1853 - syn of: Leucotina casta (Adams, 1853)
castanea, Tropaeas castanea (Adams, 1863)
castanea, Turbonilla castanea (Keep, 1887)
castanea, Odostomia castanea Habe, 1961
castanella, Turbonilla castanella Dall, 1908
castlecliffensis, Odostomia castlecliffensis Laws, 1939
castleraghensis, Chrysallida castleraghensis Saurin, 1959
catalinensis, Odostomia catalinensis Bartsch, 1927
cataplexis, Pyrgulina cataplexis Peñas & Rolán, 2017
cathaysiae, Tiberia cathaysiae Saurin, 1959
catinati, Cossmannica catinati Saurin, 1959
caudana, Megastomia caudana (Saurin, 1959)
cbadamsi, Turbonilla cbadamsi (Carpenter, 1857)
ceciriana, Babella ceciriana Saurin, 1959
cedrosa, Kleinella cedrosa (Dall, 1884)
cedrosa, Pyrgiscus cedrosa Dall, 1884 - syn of: Kleinella cedrosa (Dall, 1884)
cedrosa, Parthenia cedrosa Dall, 1884 - syn of: Kleinella cedrosa (Dall, 1884)
cedrosa, Turbonilla cedrosa Dall, 1884 - syn of: Kleinella cedrosa (Dall, 1884)
celestae, Syrnola celestae Saurin, 1959
cendoni, Turbonilla cendoni Peñas & Rolán, 2010
centaurana, Brachystomia centaurana Landau & LaFollette, 2015
centrota, Turbonilla centrota Dall & Bartsch, 1909
ceralva, Turbonilla ceralva Dall & Bartsch, 1909
cereum, Styloptygma cereum Adams, 1863
ceria, Linopyrga ceria Laseron, 1951
cerina, Turbonilla cerina Adams, 1861
cerullii, Eulimella cerullii (Cossmann, 1916)
cesai, Turbonilla cesai Peñas & Rolán, 2010
ceylanica, Kleinella ceylanica (Preston, 1905)
ceylanica, Pyramidella ceylanica Preston, 1905 - syn of: Kleinella ceylanica (Preston, 1905)
chabanesi, Waikura chabanesi (de Folin & Périer, 1870) † (FOSSIL)
chalcana, Turbonilla chalcana Baker, Hanna & Strong, 1928
chamorum, Odostomia chamorum Saurin, 1958
champaensis, Cossmannica champaensis Saurin, 1958
charbarensis, Turbonilla charbarensis Melvill & Standen, 1901
charezieuxi, Turbonilla charezieuxi (Saurin, 1959)
chariclea, Odostomia chariclea Melvill, 1910
charlottae, Odostomia charlottae Nowell-Usticke, 1969 - syn of: Fargoa bushiana (Bartsch, 1909)
charneri, Megastomia charneri (Saurin, 1959)
charpenteri, Marginodostomia charpenteri (Hornung & Mermod, 1924)
charpenteri, Syrnola charpenteri Hornung & Mermod, 1924 - syn of: Marginodostomia charpenteri (Hornung & Mermod, 1924)
charpentieri, Marginodostomia charpentieri (Hornung & Mermod, 1924)
chasteri, Eulimella chasteri Dautzenberg, 1912 - syn of: Eulimella variabilis de Folin, 1870
chasteriana, Egilina chasteriana (Melvill, 1910)
chasteriana, Egilina chasteriana Melvill, 1910 - syn of: Egilina chasteriana (Melvill, 1910)
chattonensis, Odostomia chattonensis Laws, 1939 † (FOSSIL)
chattonensis, Strioturbonilla chattonensis Marwick, 1929 † (FOSSIL)
chesapeakea, Sayella chesapeakea Morrison, 1939
chetelati, Chrysallida chetelati Saurin, 1962
cheverti, Turbonilla cheverti Hedley, 1901
cheveyi, Pyrgulina cheveyi Saurin, 1959
chilensis, Menestho chilensis Dall & Bartsch, 1909
chinandegana, Turbonilla chinandegana Hertlein & Strong, 1951
chinensis, Turbonilla chinensis Clessin, 1900
chinooki, Odostomia chinooki Bartsch, 1927
chirovanga, Turbonilla chirovanga Peñas & Rolán, 2010
chitaniana, Turbonilla chitaniana Yokoyama, 1926 - syn of: Acirsa martensi (Boury, 1913)
chitonicola, Odostomia chitonicola Smith, 1899
chocolata, Turbonilla chocolata (Carpenter, 1864)
choiseul, Turbonilla choiseul Peñas & Rolán, 2010
cholutecana, Turbonilla cholutecana Hertlein & Strong, 1951
chordata, Odostomia chordata Suter, 1908
chorea, Odostomella chorea (Hedley, 1909)
chorea, Herviera chorea Hedley, 1909 - syn of: Odostomella chorea (Hedley, 1909)
choshuana, Yoshishigea choshuana Hori & Fukuda, 1999
chosuana, Turbonilla chosuana (Hori & Fukuda, 1999)
chrysozona, Mormula chrysozona (Von Martens, 1880)
churchi, Odostomia churchi Smith & Gordon, 1948
churia, Turbonilla churia Bartsch, 1926
chuttina, Asmunda chuttina Saurin, 1959
cicatricosa, Ondina cicatricosa Lozouet, Lesport & Renard, 2001 † (FOSSIL)
cifara, Mormula cifara Bartsch, 1915 - syn of: Melanella cifara (Bartsch, 1915)
ciguatonis, Odostomia ciguatonis Strong, 1949
cincta, Boonea cincta (Carpenter, 1864)
cincta, Milda cincta (Reeve, 1842)
cincta, Turbonilla cincta Adams, 1860
cinctella, Syrnola cinctella Adams, 1860
cinctella, Turbonilla cinctella Mörch, 1859
cingulata, Oscilla cingulata (Adams, 1861)
cingulata, Cingulina cingulata (Dunker, 1860)
cingulitissima, Menestho cingulitissima Nomura, 1937
cingulittissima, Menestho cingulittissima Nomura, 1937
cinnamomea, Tibersyrnola cinnamomea (Adams, 1863)
cinnamomea, Pyramidella cinnamomea (Adams, 1863) - syn of: Tibersyrnola cinnamomea (Adams, 1863)
cionelloides, Odostomia cionelloides Clessin, 1902
circinata, Oscilla circinata Adams, 1867
circumcordata, Odostomia circumcordata Peñas, Rolán & Swinnen, 2014
circumdata, Cingulina circumdata Gould, 1861 - syn of: Oscilla circinata Adams, 1867
circumdata, Waikura circumdata Laws, 1941 † (FOSSIL)
circumducta, Pyrgulina circumducta Peñas & Rolán, 2017
circumfimbria, Helodiamea circumfimbria Peñas & Rolán, 2017
circumlata, Turbonilla circumlata Peñas & Rolán, 2000
circumsepta, Parthenina circumsepta Peñas & Rolán, 2017
circumsulcata, Chemnitzia circumsulcata Stoppani, 1858 † - syn of: Omphaloptycha aldrovandii (Stoppani, 1857) † (FOSSIL)
circumsutura, Turbonilla circumsutura Peñas & Rolán, 2010
circumventa, Ovalina circumventa Peñas & Rolán, 2017
citrina, Odostomia citrina de Folin, 1869
civitella, Odostomia civitella Oldroyd, 1925 † (FOSSIL)
claibornensis, Pyrgulina claibornensis Aldrich, 1911 † (FOSSIL)
clara, Megastomia clara (Nomura, 1936)
clara, Odostomia clara Brazier, 1877
clara, Besla clara Saurin, 1959
clara, Turbonilla clara Thiele, 1925
clarae, Eulimella clarae Peñas & Rolán, 2016
claretta, Odostomia claretta Nomura, 1936 - syn of: Megastomia clara (Nomura, 1936)
clarinda, Turbonilla clarinda Bartsch, 1912
clarquei, Turbonilla clarquei Peñas & Rolán, 2010
clathrata, Parthenina clathrata (Jeffreys, 1848)
clathrata, Odostomia clathrata Jeffreys, 1848 - syn of: Parthenina clathrata (Jeffreys, 1848)
clathrata, Kleinella clathrata Philippi, 1836 - syn of: Euparthenia humboldti (Risso, 1826)
clathratula, Odostomia clathratula (Adams, 1852)
clathratula, Careliopsis clathratula (Mörch, 1875)
clatrorum, Pyrgulina clatrorum Peñas & Rolán, 2017
claudoni, Numaegilina claudoni (Dautzenberg & Fischer, 1906)
clausiformis, Odostomia clausiformis Carpenter, 1857 - syn of: Odostomia clausiliformis Carpenter, 1857
clausiliformis, Odostomia clausiliformis Carpenter, 1857
clavellosa, Syrnola clavellosa Melvill, 1906
clavula, Liostomia clavula (Lovén, 1846)
clavula, Turbonilla clavula Lovén, 1846 - syn of: Liostomia clavula (Lovén, 1846)
clavuliformis, Liostomia clavuliformis Thiele, 1930
clavulina, Odostomia clavulina Fischer, 1877
clavus, Pyramidella clavus (Pilsbry, 1906)
clearete, Syrnola clearete Melvill, 1910
clearyensis, Eulimella clearyensis McNeil, 1984 † (FOSSIL)
clemam, Eulimella clemam Peñas & Rolán, 2016
clementensis, Odostomia clementensis Bartsch, 1927
clementina, Odostomia clementina Dall & Bartsch, 1909
cleo, Turbonilla cleo Thiele, 1925
clessini, Odostomia clessini Dall & Bartsch, 1909
clessiniana, Turbonilla clessiniana (Nomura, 1938)
clessiniana, Chemnitzia clessiniana Nomura, 1938 - syn of: Turbonilla clessiniana (Nomura, 1938)
clifdenica, Turbonilla clifdenica Laws, 1937 † (FOSSIL)
clippertonensis, Turbonilla clippertonensis Hertlein & Allison, 1968
clivosa, Waikura clivosa Marwick, 1931 † (FOSSIL)
clymene, Styloptygma clymene Melvill, 1918
coarctata, Ondina coarctata (Sars, 1878)
coarctata, Spiralinella spiralis coarctata Marshall
coarctata aquitanica, Ondina coarctata aquitanica Nordsieck, 1972
coarguta, Quirella coarguta Peñas & Rolán, 2017
cochimana, Turbonilla cochimana Strong, 1949
coena, Eulimella coena Webster, 1905
coeni, Pyrgulina coeni Coen, 1933 - syn of: Spiralinella incerta (Milaschewitsch, 1916)
coeni, Turbonilla coeni Preston, 1905
colimana, Turbonilla colimana Hertlein & Strong, 1951
collea, Odostomia collea Bartsch, 1926
collectitia, Pyrgulina collectitia Peñas & Rolán, 2017
collegni, Chemnitzia collegni Stoppani, 1857 † - syn of: Omphaloptycha aldrovandii (Stoppani, 1857) † (FOSSIL)
colligata, Pyrgulina colligata Peñas & Rolán, 2017
collisella, Turbonilla collisella Oldroyd, 1925 † (FOSSIL)
colorata, Eulimella colorata Peñas & Rolán, 2016
colpodes, Turbonilla colpodes Melvill, 1910
columbiana, Odostomia columbiana Dall & Bartsch, 1907
columella, Syrnola columella Adams, 1863
columellaris, Nisiturris columellaris Robba, 2013 † (FOSSIL)
columna, Chrysallida columna (Laseron, 1959)
columna, Eulimella columna Hedley, 1907 - syn of: Murchisonella columna (Hedley, 1907)
columnalis, Parthenina columnalis Peñas & Rolán, 2017
columnella, Syrnola columnella Adams, 1863
colungiana, Chrysallida colungiana Nordsieck, 1972 - syn of: Parthenina dollfusi (Kobelt, 1903)
comacum, Pyrgulina comacum Melvill, 1910
cometes, Styloptygma cometes Melvill, 1910
comitas, Turbonilla comitas Laws, 1937 † (FOSSIL)
commoda, Turbonilla commoda Adams, 1860
communis, Chrysallida communis (Adams, 1852)
communis, Chemnitzia communis Adams, 1852 - syn of: Chrysallida communis (Adams, 1852)
commutata, Eulimella commutata Monterosato, 1884 - syn of: Eulimella acicula (Philippi, 1836)
compactilis, Eulimella compactilis (Jeffreys, 1867) - syn of: Eulimella superflua (Monterosato, 1875)
comparabilis, Eulimella comparabilis Peñas & Rolán, 2016
composita, Oscilla composita Peñas & Rolán, 2017
compressa, Turbonilla compressa Jeffreys, 1884 - syn of: Turbonilla amoena (Monterosato, 1878)
compressicosta, Turbonilla compressicosta Kuster-Wendenburg, 1973 † (FOSSIL)
compsa, Turbonilla compsa Bush, 1899
compta, Parodostomia compta (Brazier, 1877)
concava, Nisosyrnola concava (Böttger, 1907) † (FOSSIL)
conciliata, Pyrgulina conciliata Peñas & Rolán, 2017
concinna, Pyrgulina concinna (Adams, 1860)
concinna, Monotygma concinna Adams, 1854 - syn of: Leucotina casta (Adams, 1853)
concinna, Eulimella concinna Jeffreys, 1884 - syn of: Eulimella pyramidata (Deshayes, 1834)
concordia, Cyclostremella concordia Bartsch, 1920
condensa, Pyrgulina condensa Peñas & Rolán, 2017
confusa, Turbonilla confusa Brazier, 1877
congesta, Parthenina congesta Peñas & Rolán, 2017
conglobationis, Helodiamea conglobationis Peñas & Rolán, 2017
congoensis, Turbonilla congoensis Peñas & Rolán, 2000
congressa, Pyrgulina congressa Peñas & Rolán, 2017
congruens, Pyrgulina congruens Peñas & Rolán, 2017
conica, Pyramidella conica Adams, 1852
conica, Miralda conica Laseron, 1959
conicera, Exesilla conicera Laseron, 1959
conifera, Chrysallida conifera Pimenta, 2012
conjugata, Parthenina conjugata Peñas & Rolán, 2017
conjuncta, Ebalina conjuncta Peñas & Rolán, 2016
connexa, Chrysallida connexa (Dautzenberg, 1912)
conoastensis, Odostomia conoastensis (Sacco, 1892) † (FOSSIL)
conoidea, Megastomia conoidea (Brocchi, 1814)
conoidea acutidens, Odostomia conoidea acutidens Dall, 1884 - syn of: Odostomia acutidens Dall, 1884
conoidea australis, Odostomia conoidea australis Jeffreys, 1867 - syn of: Megastomia conoidea (Brocchi, 1814)
conoma, Turbonilla conoma Bartsch, 1927
conradi, Turbonilla conradi Bush, 1899
conradia, Cyclostremella conradia Bartsch, 1920
consanguinea, Turbonilla consanguinea (Smith, 1891)
considerata, Parthenina considerata Peñas & Rolán, 2017
consimilis, Pyrgulina consimilis (Adams, 1861)
consobrina, Pyrgulina consobrina (Adams, 1861)
consobrina, Liostomia consobrina (Tate & May, 1900)
conspicua, Megastomia conspicua (Alder, 1850)
conspicua alungata, Megastomia conspicua alungata Nordsieck, 1972 - syn of: Megastomia alungata Nordsieck, 1972
conspicua major, Megastomia conspicua major Nordsieck, 1972
constricta, Turbonilla constricta (Smith, 1891)
contabulata, Odostomia contabulata (Mörch, 1860)
contexta, Chemnitzia contexta (Pilsbry & Johnson, 1917) † (FOSSIL)
contracta, Elusa contracta (Saurin, 1959)
contracta, Odostomia defolinia contracta de Folin
contracta, Turbonilla contracta Nomura, 1938 - syn of: Turbonilla nomurai Nomura, 1938
contracta, Tropaeas contracta Saurin, 1959 - syn of: Elusa contracta (Saurin, 1959)
contracta, Chemnitzia contracta Schauroth, 1865
contrerasi, Odostomia contrerasi Baker, Hanna & Strong, 1928
contrerasiana, Turbonilla contrerasiana Hertlein & Strong, 1951
convexa, Besla convexa (Carpenter, 1857)
convexa, Odostomia convexa Carpenter, 1857 - syn of: Besla convexa (Carpenter, 1857)
convexa, Syrnola convexa Laseron, 1951
convexiuscula, Strioturbonilla convexiuscula Solikov, 1967
convoluta, Syrnola convoluta (Watson, 1886)
cookeana, Odostomia cookeana Bartsch, 1910
cookiana, Turbonilla cookiana (Laws, 1937)
coomansi, Turbonilla coomansi Van Aartsen, 1994
coomasi, Turbonilla coomasi Van Aartsen, 1994 - syn of: Turbonilla coomansi Van Aartsen, 1994
copiosa, Parthenina copiosa Peñas & Rolán, 2017
coppingeri, Chemnitzia coppingeri Smith, 1884 - syn of: Turbonilla varicosa (Adams, 1855)
cora, Turbonilla cora (D'Orbigny, 1840)
corgani, Turbonilla corgani Okutani, 1968
corimbensis, Odostomia corimbensis Schander, 1994 - syn of: Megastomia conoidea (Brocchi, 1814)
corintoensis, Odostomia corintoensis Hertlein & Strong, 1951
cornea, Turbonilla cornea (Adams, 1853)
cornelliana, Proto cornelliana Newcomb, 1870 - syn of: Turbonilla varicosa (Adams, 1855)
cornelliana, Turbonilla cornelliana Newcomb, 1870 - syn of: Turbonilla varicosa (Adams, 1855)
cornutus, Syrnola cornutus Sohl, 1964
coromandelica, Turbonilla coromandelica (Melvill & Standen, 1898)
corona, Miralda corona Saurin, 1959
coronata, Waikura coronata Peñas & Rolán, 2017
corpulens, Turbonilla corpulens Kisch, 1959
corpulens minima, Turbonilla corpulens minima de Folin, 1879 - syn of: Turbonilla corpulens Kisch, 1959
corpulenta, Odostomia corpulenta Watson, 1886
corpulentoides, Odostomia corpulentoides Dell, 1956
corpuslevis, Pyrgulina corpuslevis Peñas & Rolán, 2017
correcta, Parthenina correcta Peñas & Rolán, 2017
corrigea, Turbonilla corrigea Laseron, 1959
corrotata, Ovalina corrotata Peñas & Rolán, 2017
corrugata, Pyramidella corrugata Lamarck, 1822
corsoensis, Turbonilla corsoensis Bartsch, 1917
cortezi, Turbonilla cortezi Bartsch, 1917
corti, Turbonilla corti Dautzenberg & Fischer, 1897
corticaria, Odostomia corticaria Say, 1816 - syn of: Privatula corticaria (Say, 1816)
coseli, Megastomia coseli Peñas & Rolán, 1999
coseli, Turbonilla coseli Peñas & Rolán, 2002
cossignaniorum, Eulimella cossignaniorum Van Aartsen, 1995
cossmanni, Besla cossmanni (Hornung & Mermod, 1924)
cossmanni, Pyrgulina cossmanni Hornung & Mermod, 1924 - syn of: Besla cossmanni (Hornung & Mermod, 1924)
costadebilis, Turbonilla costadebilis Peñas & Rolán, 2010
costaria, Chemnitzia costaria Wood, 1842 † (FOSSIL)
costaricensis, Odostomia costaricensis Hertlein & Strong, 1951
costasubtilis, Turbonilla costasubtilis Peñas & Rolán, 2010
costei, Dunkeria costei de Folin, 1873
costellata, Chrysallida costellata Adams, 1861
costifera, Turbonilla costifera Smith, 1872
costulata, Pyrgulina costulata (Dunker, 1860)
costulata, Turbonilla costulata Risso, 1826 - syn of: Turbonilla lactea (Linnaeus, 1758)
cotuhensis, Odostomia cotuhensis Van Aartsen & Wesselingh, 2000 † (FOSSIL)
cowlesi, Turbonilla cowlesi Strong & Hertlein, 1939
coxi, Odostomia coxi Bartsch, 1955 † (FOSSIL)
coyotensis, Turbonilla coyotensis Baker, Hanna & Strong, 1928
coysmani, Eulimella coysmani Peñas, Rolán & Swinnen, 2014
crassa, Odostomia crassa Jeffreys, 1884 - syn of: Syrnola wenzi Nordsieck, 1972
crassa, Turbonilla crassa Nomura, 1936
crassa, Odostomia crassa Thompson, 1845 - syn of: Brachystomia eulimoides (Hanley, 1844)
crassella, Hinemoa crassella Van Aartsen & Corgan, 1996
crassicallosa, Odostomia crassicallosa Nomura, 1937
crassicollosa, Odostomia crassicollosa Nomura, 1937
crassicosta, Odostomia crassicosta May, 1915
crassicostata, Tropaeas crassicostata (Sowerby, 1901)
crassicostata, Babella crassicostata Saurin, 1958
crassiplicata, Odostomia crassiplicata Nomura, 1936
crassula, Pyramidella crassula Forbes, 1843
crassus, Pyrgiscus crassus Saurin, 1959
craticulata, Chrysallida craticulata (Issel, 1869)
craticulata, Dunkeria craticulata Adams, 1861
craticulata, Turbonilla craticulata Mörch, 1859
craticulata, Kleinella craticulata Renier, 1804 - syn of: Euparthenia bulinea (Lowe, 1841)
crawfordi, Syrnola crawfordi Powell, 1927
crebricostata, Turbonilla crebricostata Marwick, 1931 † (FOSSIL)
crenatus, Pyrgiscus crenatus (Brown, 1827)
crenulata, Odostomia crenulata Brown, 1905 † (FOSSIL)
crenulata, Pyramidella crenulata Holmes, 1860 - syn of: Longchaeus suturalis (Lea, 1843)
crenulifera, Turbonilla crenulifera Tate, 1892 - syn of: Puposyrnola tasmanica (Tenison-Woods, 1877)
creta, Helodiamea creta Peñas & Rolán, 2017
cretacea, Odostomia cretacea Holzapfel, 1888 † (FOSSIL)
crichtoni, Turbonilla crichtoni Winckworth, 1940
crickmayi, Turbonilla crickmayi Strong & Hertlein, 1939
crispa, Odostomia crispa (Sowerby, 1892)
crispata, Mumiola crispata Peñas & Rolán, 2017
crocata, Syrnola crocata (Adams, 1865)
crosnieri, Turbonilla crosnieri Peñas & Rolán, 2010
crosseana, Petitilla crosseana (Dall, 1885)
cruzazae, Turbonilla cruzazae Peñas & Rolán, 2010
cryptodon, Odostomia cryptodon Suter, 1908
cryptolira, Striarcana cryptolira Laws, 1937
crystallina, Nisiturris crystallina (Dall & Bartsch, 1906)
crystallina, Odostomia crystallina Garrett, 1873
crystallina, Ondina crystallina Locard, 1892
crystallinula, Turbonilla crystallinula Issel, 1869
crystallopectus, Pyrgiscus crystallopectus (Melvill, 1910)
cuabeina, Costosyrnola cuabeina Saurin, 1959
cubensis, Odostomia cubensis Pfeiffer, 1842 - syn of: Blauneria heteroclita (Montagu, 1808)
cubitata, Turbonilla cubitata de Folin & Périer, 1867
cuevensis, Turbonilla cuevensis Ihering, 1897 † (FOSSIL)
culaoniana, Chrysallida culaoniana Saurin, 1959
culaopagi, Costosyrnola culaopagi Saurin, 1959
culta, Odostomia culta Dall & Bartsch, 1906
cultriformis, Eulimella cultriformis Peñas & Rolán, 2016
cumingii, Chemnitzia cumingii Carpenter, 1856 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
cumingii, Chemnitzia cumingii Dunker, 1860 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
cummingi, Turbonilla cummingi Hori & Okutani, 1997
cumshewaensis, Odostomia cumshewaensis Bartsch, 1921
cumstantes, Pyrgulina cumstantes Peñas & Rolán, 2017
cura, Turbonilla cura Nomura, 1937
curiosa, Odostomia curiosa Nomura, 1938
curta, Turbonilla curta Dall, 1889
curtata, Eulimella curtata Coen, 1933 - syn of: Eulimella acicula (Philippi, 1836)
curtisensis, Egila curtisensis (Laseron, 1959)
curtissima, Tiberia minuscula curtissima Locard
curvicostae, Parthenina curvicostae Peñas & Rolán, 2017
curvicostata, Chrysallida curvicostata (Grant-Mackie & Chapman-Smith, 1971) † (FOSSIL)
curvicostata, Chrysallida curvicostata Wood, 1842 - syn of: Parthenina indistincta (Montagu, 1808)
cuspidata, Odostomia cuspidata Garrett, 1873
cylindracea, Pyrgulina cylindracea Coen, 1933 - syn of: Parthenina terebellum (Philippi, 1844)
cylindrata, Turbonilla pusilla cylindrata Marshall
cylindrata, Eulimella cylindrata Pimenta, Santos & Absalão, 2011
cylindrella, Syrnola cylindrella Adams, 1863
cylindrica, Hinemoa cylindrica (de Folin, 1879)
cylindrica, Odostomia cylindrica Alder, 1844 - syn of: Jordaniella nivosa (Montagu, 1803)
cylindrica, Odostomella doliolum cylindrica Bucquoy, Dautzenberg & Dollfus
cylindrica, Babella cylindrica Saurin, 1958
cylindricus, Nisipyrgiscus cylindricus (Saurin, 1959)
cylindriformis, Eulimella cylindriformis Peñas & Rolán, 2016
cylindroides, Turbonilla cylindroides Degrange-Touzin, 1895 † (FOSSIL)
cylindropsis, Eulimella cylindropsis de Folin, 1879
cynthiae, Turbonilla cynthiae De Jong & Coomans, 1988
cypria, Odostomia cypria Dall & Bartsch, 1912
cyrtoconoidea, Turbonilla cyrtoconoidea Peñas & Rolán, 2010
cyrtoconoidea, Eulimella cyrtoconoidea Peñas & Rolán, 2016
dactyliformis, Pyrgulina dactyliformis Peñas & Rolán, 2017
dactylus, Turbonilla dactylus Böttger, 1896
daedala, Syrnola daedala Adams, 1863
dagueneti, Salassia dagueneti de Folin, 1873 - syn of: Talassia dagueneti (de Folin, 1873)
dailanhensis, Salassia dailanhensis Saurin, 1959
dakoi, Turbonilla dakoi Peñas & Rolán, 2010
dalli, Odostomia dalli (Hornung & Mermod, 1925)
dalli, Turbonilla dalli Bush, 1899
dalsumi, Odostomia dalsumi Van Aartsen, Gittenberger & Goud, 1998
danieli, Iphiana danieli Peñas & Rolán, 2016
danieli, Besla danieli Saurin, 1959
danii, Turbonilla danii Peñas & Rolán, 2010
dantarti, Parthenina dantarti (Peñas & Rolán, 2008)
darnleyensis, Nisiturris darnleyensis (Brazier, 1877)
darnleyensis, Chemnitzia darnleyensis Brazier, 1877 - syn of: Nisiturris darnleyensis (Brazier, 1877)
daruma, Odostomia daruma Nomura, 1938
darwinensis, Turbonilla darwinensis Laseron, 1959
datei, Turbonilla datei Nomura, 1936
dautzenbergi, Pyrgulina dautzenbergi Melvill, 1910
davidi, Waikura davidi Marwick, 1943 † (FOSSIL)
davidpenasi, Turbonilla davidpenasi Peñas & Rolán, 2010
davidrolani, Turbonilla davidrolani Peñas & Rolán, 2010
dawydoffi, Pyrgiscus dawydoffi (Saurin, 1959)
deae, Turbonilla deae (Nomura, 1937)
deae, Dunkeria deae Nomura, 1937 - syn of: Turbonilla deae (Nomura, 1937)
dealbata, Odostomia dealbata (Stimpson, 1851)
deambulans, Pyrgulina deambulans Peñas & Rolán, 2017
debiliformis, Pyrgulina debiliformis Peñas & Rolán, 2017
debilis, Turbonilla debilis Adams, 1860
debilis, Eulimella debilis Monterosato, 1875 - syn of: Ebala striatula (Jeffreys, 1856)
deboeri, Turbonilla deboeri De Jong & Coomans, 1988
deceptrix, Odostomia deceptrix Dall & Bartsch, 1909
declivata, Chrysallida declivata (Laseron, 1959)
declivita, Laseronella declivita (Laseron, 1951) - syn of: Murchisonella declivita (Laseron, 1951)
decolorata, Colsyrnola decolorata Iredale, 1936
decora, Turbonilla decora Smith, 1904
decorata, Liamorpha decorata (de Folin, 1873)
decorata, Chrysallida decorata (Philippi, 1849)
decorata, Pseudoscilla decorata de Folin, 1873 - syn of: Liamorpha decorata (de Folin, 1873)
decorata, Pyrgulina decorata Philippi, 1849 - syn of: Chrysallida decorata (Philippi, 1849)
decouxi, Odostomia decouxi Saurin, 1959
decussata, Pyrgulina decussata (Adams, 1863)
decussata, Parthenina decussata (Montagu, 1803)
decussata, Chemnitzia decussata Hudleston † (FOSSIL)
decussata, Turbonilla decussata Pease, 1861 - syn of: Turbonilla varicosa (Adams, 1855)
defoliana, Odostomia defoliana Dall & Bartsch, 1909 - syn of: Odostomia defolinia Dall & Bartsch, 1909
defolinia, Odostomia defolinia Dall & Bartsch, 1909
defolinia contracta, Odostomia defolinia contracta (de Folin, 1872)
defolinia difficilis, Odostomia defolinia difficilis Dall & Bartsch, 1909
deformata, Moerchia deformata Rubio & Rolán, 2014
degrangei, Chrysallida degrangei (Cossmann & Peyrot, 1917) † (FOSSIL)
dekkeri, Parthenina dekkeri (Van Aartsen, Gittenberger & Goud, 2000)
dekkeri, Chrysallida dekkeri Van Aartsen, Gittenberger & Goud, 2000 - syn of: Parthenina dekkeri (Van Aartsen, Gittenberger & Goud, 2000)
dekleini, Odetta dekleini (Van Aartsen, Gittenberger & Goud, 1998)
dekleini, Odostomia dekleini (Van Aartsen, Gittenberger & Goud, 1998) - syn of: Odetta dekleini (Van Aartsen, Gittenberger & Goud, 1998)
delectabilis, Parthenina delectabilis Peñas & Rolán, 2017
delenita, Ovalina delenita Peñas & Rolán, 2017
delia, Turbonilla delia Melvill, 1906
delicata, Turbonilla delicata (Monterosato, 1874)
delicata, Rissopsetia delicata Peñas & Rolán, 2017
delicata acutissima, Turbonilla delicata acutissima Monterosato, 1884 - syn of: Turbonilla acutissima Monterosato, 1884
delicatula, Odostomia delicatula Carpenter, 1864
delicatula, Kleinella delicatula Saurin, 1962
deliciosa, Odostomia deliciosa Dall & Bartsch, 1907
delli, Turbonilla delli Powell, 1976 - syn of: Planpyrgiscus lawsi Dell, 1956
delmontana, Turbonilla delmontana Bartsch, 1937
delmontensis, Pyrgiscus delmontensis Bartsch, 1927 - syn of: Turbonilla gilli delmontensis Dall & Bartsch, 1907
delmontensis, Turbonilla gilli delmontensis Dall & Bartsch
delphineae, Turbonilla delphineae Peñas & Rolán, 2010
delpretei, Turbonilla delpretei Sulliotti, 1889 - syn of: Parthenina indistincta (Montagu, 1808)
deminuta, Parthenina deminuta Peñas & Rolán, 2017
demissa, Eulimella demissa Peñas & Rolán, 2016
denizi, Turbonilla denizi Peñas & Rolán, 2000
densa, Odostomia densa Harmer † (FOSSIL)
densecostata, Pyrgulina densecostata (Garrett, 1873)
densecostata, Chemnitzia densecostata Philippi, 1844 - syn of: Turbonilla rufa (Philippi, 1836)
denselirata, Obexomia denselirata (Suter, 1908)
densesculpta, Parthenina densesculpta Peñas & Rolán, 2017
densesculpturata, Turbonilla densesculpturata Peñas & Rolán, 2010
densestriata, Iphiana densestriata (Garrett, 1873)
densicostata, Chemnitzia densicostata Philippi, 1844 - syn of: Turbonilla rufa (Philippi, 1836)
densistriata, Eulimella densistriata (Nomura, 1936)
densistriata, Cingulina densistriata Nomura, 1936 - syn of: Eulimella densistriata (Nomura, 1936)
dentatus, Pyrgiscus dentatus Robba, 2013 † (FOSSIL)
denticula, Chrysallida denticula Coen, 1937 - syn of: Parthenina juliae (de Folin, 1872)
denticulata, Pyramidella denticulata Sowerby, 1865 - syn of: Colsyrnola ornata (Gould, 1861)
denticulus, Pyrgulina denticulus Coen, 1933 - syn of: Parthenina terebellum (Philippi, 1844)
dentifera, Chrysallida dentifera (de Folin & Périer, 1875)
deplexa, Odostomia deplexa (Tate & May, 1900)
deplexa, Eulimella deplexa Hutton, 1885 † (FOSSIL)
depressa, Eulimella depressa Peñas & Rolán, 2016
depressa, Pseudoskenella depressa Ponder, 1973
depressacostae, Turbonilla depressacostae Peñas & Rolán, 2010
deprimere, Doliella deprimere Garvie, 2013 † (FOSSIL)
deprofundis, Turbonilla deprofundis Barnard, 1963
derivata, Odostomia derivata Wood, 1879 † (FOSSIL)
deschampsi, Turbonilla deschampsi Peñas & Rolán, 2010
deshayesi, Odostomia deshayesi Briart & Cornet, 1870 † (FOSSIL)
deshimana, Odostomia deshimana Dall & Bartsch, 1906 - syn of: Odostomia desimana Dall & Bartsch, 1906
desiderabilis, Siogamaia desiderabilis Nomura, 1936
desimana, Odostomia desimana Dall & Bartsch, 1906
desmiti, Megastomia desmiti (Van Aartsen, Gittenberger & Goud, 1998)
desmiti, Odostomia desmiti Van Aartsen, Gittenberger & Goud, 1998 - syn of: Megastomia desmiti (Van Aartsen, Gittenberger & Goud, 1998)
desmoulinsiana, Parthenina desmoulinsiana Locard, 1886 - syn of: Parthenina terebellum (Philippi, 1844)
desuefacta, Odostomia desuefacta Peñas & Rolán, 1999
deubeli, Odostomia deubeli Böttger, 1901
dextra, Exesilla dextra (Saurin, 1959)
dheeradiloki, Besla dheeradiloki Robba, Di Geronimo, Chaimanee & al., 2004
diadema, Miralda diadema (Adams, 1860)
diadema, Euparthenia diadema Adams, 1860 - syn of: Miralda diadema (Adams, 1860)
diademaeformis, Miralda diademaeformis (Nomura, 1938)
diademata, Pyramidella diademata Maury, 1917 - syn of: Longchaeus suturalis (Lea, 1843)
dianeae, Eulimella dianeae Landau & LaFolette, 2015
dianthophila, Fargoa dianthophila (Wells & Wells, 1961)
diaphana, Ondina diaphana (Jeffreys, 1848)
diaphana, Cinctiuga diaphana (Verco, 1906)
diaphana, Odostomia diaphana (Verco, 1906) - syn of: Cinctiuga diaphana (Verco, 1906)
diaphana, Eulimella diaphana Adams, 1861
diaphana dilucida, Ondina diaphana dilucida (Monterosato, 1884) - syn of: Ondina dilucida (Monterosato, 1884)
diaphana inflata, Ondina diaphana inflata Marshall, 1893
diastomoides, Turbonilla diastomoides (Cossmann & Peyrot, 1917) † (FOSSIL)
dicella, Odostomia dicella Bartsch, 1912
diductacostae, Pyrgulina diductacostae Peñas & Rolán, 2017
didymum, Eulimastoma didymum (Verrill & Bush, 1900)
diegensis, Turbonilla diegensis Dall & Bartsch, 1909
diezi, Nisiturris diezi (Peñas & Rolán, 1997)
difficilis, Odostomia defolinia difficilis Dall & Bartsch
difficilis, Pyrgulina difficilis Saurin, 1958
diffidenter, Pyrgulina diffidenter Peñas & Rolán, 2017
digenes, Eulimella digenes (Dautzenberg & Fischer, 1896)
digitalis, Odetta digitalis Dall & Bartsch, 1906 - syn of: Monotygma amoena (Adams, 1853)
digitiformis, Parthenina digitiformis Peñas & Rolán, 2017
digitulus, Odostomia digitulus Peñas & Rolán, 1999
dijkhuizeni, Odostomia dijkhuizeni Van Aartsen, Gittenberger & Goud, 1998
dilata, Pyrgulina dilata Peñas & Rolán, 2017
dilatata, Chemnitzia dilatata Laube, 1867 † - syn of: Proacirsa dilatata (Laube, 1867) † (FOSSIL)
dilecta, Odostomia dilecta Nomura, 1937
dilucida, Ondina dilucida (Monterosato, 1884)
dilutacostae, Turbonilla dilutacostae Peñas & Rolán, 2010
dimatteoi, Turbonilla dimatteoi Peñas & Rolán, 2010
dimidia, Pyrgulina dimidia Peñas & Rolán, 2017
dimidiata, Pyrgulina dimidiata (Schander, 1994)
dimidiata, Chrysallida dimidiata Schander, 1994 - syn of: Pyrgulina dimidiata (Schander, 1994)
diminuta, Eulimella diminuta Peñas & Rolán, 2016
dina, Turbonilla dina Dall & Bartsch, 1909
dinella, Odostomia dinella Dall & Bartsch, 1909
dinora, Turbonilla dinora Bartsch, 1912
dipsycha, Turbonilla dipsycha (Watson, 1886)
directa, Eulimella directa Peñas & Rolán, 2016
discapex, Eulimella discapex Peñas & Rolán, 2016
disciformis, Eulimella disciformis Peñas & Rolán, 2016
discrepata, Turbonilla discrepata Peñas & Rolán, 2010
discreta, Cossmannica discreta Saurin, 1959
disculus, Turbonilla disculus Vélain, 1877
discursa, Parthenina discursa Peñas & Rolán, 2017
disfelix, Turbonilla disfelix Nomura, 1936 - syn of: Turbonilla infelix Nomura, 1936
disjunctacostae, Quirella disjunctacostae Peñas & Rolán, 2017
dispar, Turbonilla dispar Pilsbry, 1897
disparapex, Turbonilla disparapex Peñas & Rolán, 2010
disparilis, Planpyrgiscus disparilis Laws, 1940 † (FOSSIL)
disparilis, Odostomia disparilis Verrill, 1884
disposita, Pyrgulina disposita Peñas & Rolán, 2017
dissensa, Parthenina dissensa Peñas & Rolán, 2017
dissensionis, Pyrgulina dissensionis Peñas & Rolán, 2017
dissimilis, Kleinella dissimilis Tiberi, 1868 - syn of: Euparthenia bulinea (Lowe, 1841)
dissimilis, Odostomia dissimilis Tiberi, 1868 - syn of: Euparthenia bulinea (Lowe, 1841)
dissimiliter, Pyrgulina dissimiliter Peñas & Rolán, 2017
dissociata, Syrnola dissociata Peñas & Rolán, 2016
distincta, Turbonilla distincta Turton, 1932
distorta, Bouchetmella distorta Peñas & Rolán, 2016
districta, Pyrgulina districta Peñas & Rolán, 2017
divisa, Ondina divisa (Adams, 1797)
divisa tumida, Ondina divisa tumida Marshall, 1900
divulgata, Pyrgulina divulgata Peñas & Rolán, 2017
djunggranganensis, Otopleura djunggranganensis (Martin, 1916) † (FOSSIL)
dolabrata, Pyramidella dolabrata (Linnaeus, 1758)
dolabrata terebellum, Pyramidella dolabrata terebellum (Müller, 1774)
doliae, Rugadentia doliae (Laseron, 1951)
doliae, Asmunda doliae Laseron, 1951 - syn of: Rugadentia doliae (Laseron, 1951)
doliaris, Odostomia doliaris (Philippi, 1849)
dolichostoma, Gumina dolichostoma (Suter, 1908)
doliella, Megastomia doliella (Laws, 1940) † (FOSSIL)
doliiformis, Pyrgulina doliiformis (Pallary, 1926)
dolioliformis, Noemiamea dolioliformis (Jeffreys, 1848)
dolioliformis valida, Noemiamea dolioliformis valida (de Folin, 1872)
doliolum, Odostomella doliolum (Philippi, 1844)
doliolum cylindrica, Odostomella doliolum cylindrica Bucquoy, Dautzenberg & Dollfus, 1885
doliolum elongata, Mumiola doliolum elongata Monterosato, 1884 - syn of: Odostomella bicincta (Tiberi, 1868)
doliolum hortensiae, Odostomella doliolum hortensiae (Nansouty, 1872)
dollfusi, Parthenina dollfusi (Kobelt, 1903)
dollfusi, Euparthenia dollfusi Kobelt, 1903 - syn of: Parthenina dollfusi (Kobelt, 1903)
dollfusi, Miralda dollfusi Locard, 1886 - syn of: Euparthenia bulinea (Lowe, 1841)
domingana, Turbonilla domingana Hertlein & Strong, 1951
dominicae, Pyrgulina dominicae Saurin, 1959
dominicensis, Turbonilla dominicensis Gabb, 1873 † (FOSSIL)
dongbaensis, Turbonilla dongbaensis Saurin, 1959
dongkhanhi, Pyrgiscus dongkhanhi (Saurin, 1959)
dongkhanhi, Pyrgiscilla dongkhanhi Saurin, 1959 - syn of: Pyrgiscus dongkhanhi (Saurin, 1959)
dongkhani, Pyrgiscilla dongkhani (Saurin, 1959)
donilla, Odostomia donilla Dall & Bartsch, 1909
dora, Turbonilla dora Bartsch, 1917
doredona, Turbonilla doredona Bartsch, 1917
dorica, Odostomia dorica Melvill, 1904
dorothea, Puposyrnola dorothea Van Aartsen & Corgan, 1996
dotella, Odostomia dotella Dall & Bartsch, 1909
doumereil, Chrysallida doumereil (de Folin & Périer, 1875)
dozouli, Pyrgulina dozouli Saurin, 1959
dracona, Turbonilla dracona Bartsch, 1912
dubia, Chemnitzia dubia D'Orbigny, 1840 - syn of: Finella dubia (A.V.M.D. A.V.M.D. D'Orbigny, 1840)
dubia, Iolaea dubia Golikov & Kussakin, 1977
dubia, Odostomia dubia Jeffreys, 1848 - syn of: Brachystomia eulimoides (Hanley, 1844)
ducalis, Turbonilla ducalis Thiele, 1925
ductaspiralis, Pyrgulina ductaspiralis Peñas & Rolán, 2017
dulcis, Odostomia dulcis Turton, 1932 - syn of: Odostomia gittenbergeri Van Aartsen & Corgan, 1996
dumasi, Odostomia dumasi Cossmann, 1903 † (FOSSIL)
dunedinensis, Turbonilla dunedinensis (Laws, 1937)
dunkeri, Orinella dunkeri (Dall & Bartsch, 1906)
dunkeri, Turbonilla dunkeri Clessin, 1902
dunkeriformis, Turbonilla dunkeriformis (Saurin, 1959)
dunkeriformis, Chemnitzia dunkeriformis Saurin, 1959 - syn of: Turbonilla dunkeriformis (Saurin, 1959)
duodecimlyrae, Turbonilla duodecimlyrae Peñas & Rolán, 2010
duodenae, Turbonilla duodenae Peñas & Rolán, 2010
duplex, Hinemoa duplex Laseron, 1959
duplicaria, Turbonilla duplicaria Marwick, 1931 † (FOSSIL)
duquei, Turbonilla duquei Peñas & Rolán, 2010
durabilis, Pyrgulina durabilis Van Aartsen & Corgan, 1996
dusiana, Turbonilla dusiana (Nomura, 1937)
dusiana, Dunkeria dusiana Nomura, 1937 - syn of: Turbonilla dusiana (Nomura, 1937)
dusiensis, Odostomia dusiensis Nomura, 1937
dussaulti, Cingulina dussaulti Saurin, 1962
duureni, Odostomia duureni Van Aartsen, Gittenberger & Goud, 1998
dux, Chrysallida dux (Dall & Bartsch, 1906)
dyma, Odostomia dyma Van Aartsen & Corgan, 1996
ebarana, Orinella ebarana (Yokoyama, 1927)
eburnea, Orinella eburnea (Adams, 1863)
eburnea, Syrnola eburnea (Deshayes) † (FOSSIL)
eburnea, Liostomia eburnea (Stimpson, 1851)
eburnea, Odostomia eburnea Angas, 1878
eburneus, Longchaeus eburneus (Laseron, 1959)
ecclesia, Mormula ecclesia Preston, 1915
eccrita, Pyrgulina eccrita (Melvill, 1911)
eclecta, Evalea eclecta (Pilsbry, 1918)
eclecta nematoderma, Odostomia eclecta nematoderma Pilsbry, 1918 - syn of: Evalea eclecta (Pilsbry, 1918)
edana, Pyrgulina edana Melvill, 1910
edentata, Noemiamea edentata (Saurin, 1959)
edentula, Eulimella edentula Peñas & Rolán, 2016
edgarii, Turbonilla edgarii (Melvill, 1896)
edmondi, Odostomia edmondi Jordan, 1920
edoensis, Turbonilla edoensis Yokoyama, 1927
eduardi, Turbonilla eduardi Peñas & Rolán, 2010
edwardensis, Turbonilla edwardensis Bartsch, 1909
effusa, Turbonilla effusa (Gould, 1861)
effusa, Odostomia effusa Carpenter, 1857
egeria, Eulimella egeria Melvill, 1912
egregia, Mormula egregia Adams, 1864
eiseni, Odostomia eiseni Jordan, 1936
ejuncida, Eulimella ejuncida Pimenta, Santos & Absalão, 2011
ekidana, Turbonilla ekidana Hertlein & Strong, 1951
ektopa, Egila ektopa Pimenta & Absalão, 2004
elachisinoides, Ondina elachisinoides Hori, Fukuda & Yoshizaki, 1999
elata, Odostomia elata Adams, 1860
elata, Pyramidella elata Koenen, 1882 † (FOSSIL)
elata, Megastomia elata Saurin, 1958 - syn of: Megastomia saurini (Corgan & Van Aartsen, 1998)
elatior, Pyramidella elatior Cossmann, 1919 † (FOSSIL)
eldorana, Odostomia eldorana Bartsch, 1912
electa, Odostomia electa Jeffreys, 1883
electra, Turbonilla electra Bartsch, 1927
elegans, Evalea elegans (Adams, 1860)
elegans, Liamorpha elegans (de Folin, 1870)
elegans, Chemnitzia elegans (D'Orbigny, 1842)
elegans, Miralda elegans de Folin, 1870 - syn of: Liamorpha elegans (de Folin, 1870)
elegans, Chrysallida elegans de Folin, 1870 - syn of: Liamorpha elegans (de Folin, 1870)
elegans, Elodia elegans de Folin, 1873 - syn of: Helodiamea gisna (Dall & Bartsch, 1904)
elegans, Turbonilla elegans D'Orbigny, 1841 - syn of: Turbonilla elegantula Verrill, 1882
elegans, Pseudorissoina elegans Hedley, 1903
elegans, Odostomia elegans Monterosato, 1869 - syn of: Ondina vitrea (Brusina, 1866)
elegans, Rissopsetia elegans Peñas & Rolán, 2017
elegans concinna, Ondina elegans concinna Monterosato, 1884 - syn of: Ondina vitrea (Brusina, 1866)
elegans exigua, Ondina elegans exigua Monterosato, 1884 - syn of: Ondina vitrea (Brusina, 1866)
elegans simplex, Ondina elegans simplex Monterosato, 1884 - syn of: Ondina vitrea (Brusina, 1866)
elegantior, Chemnitzia elegantior Wood, 1842 † (FOSSIL)
elegantisformae, Pyrgulina elegantisformae Peñas & Rolán, 2017
elegantissima, Odostomia elegantissima Montagu, 1803 - syn of: Turbonilla lactea (Linnaeus, 1758)
elegantula, Asmunda elegantula (Adams, 1860)
elegantula, Turbonilla elegantula Verrill, 1882
elegantula branfordensis, Turbonilla elegantula branfordensis Bartsch, 1909
elejabeitiae, Turbonilla elejabeitiae Peñas & Rolán, 2010
elenensis, Pyramidella elenensis Bartsch, 1924
elevata, Waikura elevata Maxwell, 1988 † (FOSSIL)
elevataspira, Helodiamea elevataspira Peñas & Rolán, 2017
elizabethae, Turbonilla elizabethae Pilsbry, 1918 - syn of: Styloptygma lacteolum Preston, 1903
elongata, Paregila elongata Laseron, 1959
elongata, Turbonilla elongata Pease, 1867 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
elongata, Chrysallida eximia elongata Sars
elsa, Odostomia elsa Dall & Bartsch, 1909
elvira, Turbonilla elvira Thiele, 1925
emaciata, Chrysallida emaciata (Brusina, 1866)
emaciata minor, Chrysallida emaciata minor Nordsieck, 1972
emarginata, Tiberia emarginata Cossmann, 1888 † (FOSSIL)
emertoni, Turbonilla emertoni Verrill, 1882
emeryi, Evalea emeryi (Bartsch, 1955)
emeryi, Odostomia emeryi Bartsch, 1955 - syn of: Evalea emeryi (Bartsch, 1955)
emiliae, Turbonilla emiliae Melvill, 1896
emiliae, Pyrgiscilla emiliae Melvill, 1897 - syn of: Turbonilla emiliae Melvill, 1896
eminuta, Pyrgiscilla eminuta de Folin, 1878 - syn of: Pyrgiscus eminutus (de Folin, 1878)
eminuta, Stylopsis eminuta de Folin, 1878 - syn of: Pyrgiscus eminutus (de Folin, 1878)
eminutus, Pyrgiscus eminutus (de Folin, 1878)
emma, Dunkeria emma Thiele, 1925
enamelicolor, Turbonilla enamelicolor Nomura, 1936
enamelicor, Turbonilla enamelicor Nomura, 1936
encella, Turbonilla encella Bartsch, 1912
endolamellata, Syrnola endolamellata (Schander, 1994)
endolamellata, Eulimella endolamellata Schander, 1994 - syn of: Syrnola endolamellata (Schander, 1994)
enelata, Tropaeas enelata (Melvill, 1910)
engbergi, Odostomia engbergi Bartsch, 1920
engli, Afroturbonilla engli (Peñas & Rolán, 1997)
engonium, Eulimastoma engonium (Bush, 1885)
engonium surinamense, Eulimastoma engonium surinamense Van Regteren Altena, 1975 - syn of: Eulimastoma surinamense Van Regteren Altena, 1975
enna, Turbonilla enna Bartsch, 1927
enora, Odostomia enora Dall & Bartsch, 1909
enosima, Monotygma enosima (Clessin, 1902)
enosimensis, Odostomia enosimensis Nomura, 1938
eocenica, Chrysallida eocenica (Laws, 1941) † (FOSSIL)
eodem, Turbonilla eodem Peñas & Rolán, 1999
epentroma, Costabieta epentroma (Melvill, 1896)
epentroma, Pyrgulina epentroma Melvill, 1896 - syn of: Costabieta epentroma (Melvill, 1896)
epentromidea, Pyrgulina epentromidea Melvill, 1899
epibathra, Mumiola epibathra Melvill, 1906
epitoniformis, Pyrgulina epitoniformis Peñas & Rolán, 2017
epitonoides, Chrysallida epitonoides Van Aartsen, Gittenberger & Goud, 2000
equalis, Turbonilla equalis Verrill, 1873 - syn of: Turbonilla aequalis (Say, 1826)
eques, Turbonilla eques Laws, 1937
era, Odostomia era Bartsch, 1927
erecta, Syrnola erecta Peñas & Rolán, 2016
erecta, Turbonilla erecta Turton, 1932
eremita, Odostomia eremita Peñas & Rolán, 1999
erica, Turbonilla erica Thiele, 1925
eritima, Turbonilla eritima Smith, 1890
erjaveciana, Auristomia erjaveciana (Brusina, 1869)
erjaveciana, Odostomia erjaveciana Brusina, 1869 - syn of: Auristomia erjaveciana (Brusina, 1869)
erna, Ptycheulimella erna Bartsch, 1915
eronea, Odostomia eronea Nomura, 1937
errabunda, Turbonilla errabunda (Laws, 1937)
erratica, Turbonilla erratica Laws, 1937 † (FOSSIL)
ersei, Kongsrudia ersei (Schander, 1994)
erubescens, Turbonilla erubescens Tate, 1879 - syn of: Sayella fusca (Adams, 1839)
eruca, Syrnola eruca Laseron, 1959
erucella, Chrysallida erucella Adams, 1863
eruita, Turbonilla eruita (Laws, 1950) † (FOSSIL)
erythrosclera, Turbonilla erythrosclera (Mörch, 1875)
eschscholtzi, Turbonilla eschscholtzi Dall & Bartsch, 1907
escondida, Turbonilla escondida Poppe, Tagaro & Stahlschmidt, 2015
esilda, Odostomia esilda Dall & Bartsch, 1909
etiennei, Syrnola etiennei (Dautzenberg, 1912)
eucosmeta, Chemnitzia eucosmeta Ascher, 1906 † - syn of: Ascheria eucosmeta (Ascher, 1906) † (FOSSIL)
eucosmia, Iolaea eucosmia Dall & Bartsch, 1909
eucosmobasis, Turbonilla eucosmobasis Dall & Bartsch, 1907
eucteana, Turbonilla eucteana Melvill, 1910
eugena, Odostomia eugena Dall & Bartsch, 1909
eugeniae, Turbonilla eugeniae (Saurin, 1959)
eugeniae, Chrysallida eugeniae Peñas & Rolán, 1998
euglypta, Odostomia euglypta Jordan, 1920
eulimelloides, Ptycheulimella eulimelloides (Nomura, 1936)
eulimelloides, Nodostoma eulimelloides Wood, 1882 † (FOSSIL)
eulimoides, Brachystomia eulimoides (Hanley, 1844)
eulimoides, Eulimella eulimoides (Nomura, 1936)
eulimoides, Odostomia eulimoides Jeffreys, 1847 - syn of: Megastomia conoidea (Brocchi, 1814)
eulimoides alba, Odostomia eulimoides alba Jeffreys, 1848 - syn of: Brachystomia scalaris (Macgillivray, 1843)
eumenes, Pyrgiscus eumenes (Melvill, 1910)
eupellucida, Turbonilla eupellucida Nomura, 1937
eutropia, Eulimastoma eutropia (Melvill, 1899)
eutropia, Odostomia eutropia Melvill, 1899 - syn of: Eulimastoma eutropia (Melvill, 1899)
eutropia crassispira, Odostomia eutropia crassispira Melvill, 1910 - syn of: Eulimastoma eutropia (Melvill, 1899)
eva, Turbonilla eva Bartsch, 1917
evadna, Turbonilla evadna Bartsch, 1924
evagone, Turbonilla evagone Bartsch, 1924
evanescens, Turbonilla evanescens Peñas & Rolán, 2010
evanida, Oscilla evanida Melvill, 1904
evelynae, Turbonilla evelynae (Laws, 1937) † (FOSSIL)
evermanni, Turbonilla evermanni Baker, Hanna & Strong, 1928 - syn of: Murchisonella evermanni (Baker, Hanna & Strong, 1928)
evermanni, Cingulina evermanni Baker, Hanna & Strong, 1928 - syn of: Murchisonella evermanni (Baker, Hanna & Strong, 1928)
exara, Odostomia exara Dall & Bartsch, 1907
exarata, Menestho exarata Adams, 1861
exarata, Odostomia exarata Carpenter, 1857
exaratissima, Menestho exaratissima (Dall & Bartsch, 1906)
excavata, Chrysallida excavata (Philippi, 1836)
excavata, Folinella excavata (Phillippi, 1836)
excavata, Waikura excavata (Saurin, 1961) † (FOSSIL)
excellens, Eulimella excellens Peñas & Rolán, 2016
excellens, Mormula excellens Sowerby, 1907 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
excellenter, Pyrgulina excellenter Peñas & Rolán, 2017
excelsa, Odostomia excelsa Dall & Bartsch, 1909
exceptionis, Pyrgulina exceptionis Peñas & Rolán, 2017
excessa, Parthenina excessa Peñas & Rolán, 2017
excisa, Odostomia excisa Bartsch, 1912
excolpa, Turbonilla excolpa Dall & Bartsch, 1909
exesa, Myxa exesa Hedley, 1903
exesa, Cossmannica exesa Laseron, 1959
exigua, Pseudorissoina exigua Hedley, 1903
exigua, Evalea exigua Nordsieck, 1972 - syn of: Ondina vitrea (Brusina, 1866)
exiguita, Odostomia exiguita Nomura, 1937
exiguum, Eulimastoma exiguum Pimenta, 2012
exilis, Turbonilla exilis (Adams, 1850)
exilis, Odostomia exilis Garrett, 1873
exilis, Chemnitzia exilis Stoppani, 1858 † - syn of: Trypanostylus geographicus Stoppani, 1858 † (FOSSIL)
exilispira, Turbonilla exilispira Melvill, 1918
exilissima, Ondina exilissima (Brusina, 1866)
exilissima, Asmunda exilissima (Nomura, 1938)
exiliter, Odostomia exiliter Peñas, Rolán & Swinnen, 2014
eximia, Miralda eximia (Dautzenberg & Fischer, 1906)
eximia, Chrysallida eximia (Jeffreys, 1849)
eximia, Monotygma eximia (Lischke, 1872)
eximia, Turbonilla eximia Brazier, 1877 - syn of: Turbonilla cheverti Hedley, 1901
eximia elongata, Chrysallida eximia elongata Sars, 1878
exoleta, Pyrgulina exoleta Peñas & Rolán, 2017
explicita, Quirella explicita Peñas & Rolán, 2017
exploratorum, Syrnola exploratorum Peñas & Rolán, 2016
expressa, Parthenina expressa Peñas & Rolán, 2017
exserta, Syrnola exserta Laseron, 1959
exsulcata, Syrnola exsulcata Peñas & Rolán, 2016
extenta, Parthenina extenta Peñas & Rolán, 2017
extenuata, Odostomia extenuata Peñas & Rolán, 1999
extenuatus, Planpyrgiscus extenuatus (Marwick, 1924)
eyerdami, Odostomia eyerdami Bartsch, 1927
faberi, Parthenina faberi (Van Aartsen, Gittenberger & Goud, 2000)
faberi, Chrysallida faberi Van Aartsen, Gittenberger & Goud, 2000 - syn of: Parthenina faberi (Van Aartsen, Gittenberger & Goud, 2000)
fabricii, Odostomia fabricii Jeffreys, 1877 - syn of: Menestho albula (Fabricius, 1780)
faceta, Oscilla faceta Melvill, 1904
facisfabae, Pyrgulina facisfabae Peñas & Rolán, 2017
fackenthallae, Turbonilla fackenthallae Smith & Gordon, 1948
falcifera, Tragula falcifera (Watson, 1881) † (FOSSIL)
falcifera, Odostomia falcifera (Watson, 1881) † - syn of: Tragula falcifera (Watson, 1881) † (FOSSIL)
fallax, Bulimoscilla fallax (Thiele, 1925)
fallax, Odostomia fallax Monterosato, 1875 - syn of: Odostomia suboblonga Jeffreys, 1884
falloti, Syrnola falloti Vasseur, 1887 † (FOSSIL)
famelica, Eulimella famelica Peñas & Rolán, 2016
fannyae, Linopyrga fannyae (Saurin, 1959)
fannyae, Linopyrga fannyae Saurin, 1959 - syn of: Linopyrga fannyae (Saurin, 1959)
farallonensis, Odostomia farallonensis Dall & Bartsch, 1909
farica, Odostomella farica (Bartsch, 1915)
farinatiae, Turbonilla farinatiae Pimenta & Absalão, 2004
farma, Odostomia farma Dall & Bartsch, 1909
farolita, Chrysallida farolita Nordsieck, 1972 - syn of: Parthenina interstincta (Adams, 1797)
farroupilha, Turbonilla farroupilha Pimenta & Absalão, 2004
fasciata, Turbonilla fasciata (D'Orbigny, 1840)
fasciata, Odostomia fasciata Carpenter, 1857
fasciata, Parthenia fasciata Forbes, 1844 - syn of: Turbonilla rufa (Philippi, 1836)
fasciata, Syrnola fasciata Jickeli, 1882
fasciata, Turbonilla rufa fasciata Réquien
fasciata, Chemnitzia fasciata Réquien, 1848 - syn of: Turbonilla rufa (Philippi, 1836)
fasciata, Dunkeria fasciata Tenison-Woods, 1875
fasseauxi, Syrnola fasseauxi Nordsieck, 1972
fastigata, Turbonilla fastigata Peñas & Rolán, 2010
fastigiata, Puposyrnola fastigiata (Suter, 1906)
fastigiata, Odostomia fastigiata Harmer † (FOSSIL)
fastigiata, Miralda fastigiata Peñas & Rolán, 2017
fastigium, Pyramidella fastigium (Adams, 1855)
fatuhiva, Turbonilla fatuhiva Peñas & Rolán, 2010
favilla, Turbonilla favilla Dall & Bartsch, 1909
favrei, Chrysallida favrei (Hornung & Mermod, 1925)
fehrae, Odostomia fehrae Van Aartsen, Gittenberger & Goud, 1998
feldi, Parthenina feldi (Van Aartsen, Gittenberger & Goud, 2000)
feldi, Chrysallida feldi Van Aartsen, Gittenberger & Goud, 2000 - syn of: Parthenina feldi (Van Aartsen, Gittenberger & Goud, 2000)
felicita, Turbonilla felicita Laseron, 1959
felisae, Turbonilla felisae Peñas & Rolán, 2010
felix, Oscilla felix (Dall & Bartsch, 1906)
fenestrata, Chrysallida fenestrata (Jeffreys, 1848)
feraudi, Pyrgiscus feraudi (Saurin, 1959)
feriarum, Linopyrga feriarum (Saurin, 1959)
feriarum, Linopyrga feriarum Saurin, 1959 - syn of: Linopyrga feriarum (Saurin, 1959)
fernandezantoni, Nisiturris fernandezantoni (Peñas & Rolán, 2010)
fernandina, Syrnola fernandina (Bartsch, 1927)
fernandina, Evalea fernandina (Bartsch, 1927)
fernandoi, Turbonilla fernandoi Peñas & Rolán, 2010
ferrani, Turbonilla ferrani Peñas & Rolán, 2010
ferruginea, Dunkeria ferruginea Adams, 1860
ferruginea, Chemnitzia ferruginea Blake & Hudleston † (FOSSIL)
festiva, Turbonilla festiva de Folin, 1867
festivus, Pyrgiscus festivus (Marwick, 1943) † (FOSSIL)
fetella, Odostomia fetella Dall & Bartsch, 1909
fia, Odostomia fia Bartsch, 1927
ficara, Oscilla ficara (Bartsch, 1915)
fideliformis, Turbonilla fideliformis Peñas & Rolán, 2010
fijianorum, Turbonilla fijianorum Peñas & Rolán, 2010
fijiensis, Turbonilla fijiensis Peñas & Rolán, 2010
fijiensis, Helodiamea fijiensis Peñas & Rolán, 2017
filia, Agatha filia (Melvill, 1893)
filicinctus, Nisipyrgiscus filicinctus Robba, 2013 † (FOSSIL)
filiformis, Bacteridiella filiformis (Saurin, 1959)
filiformis, Syrnola filiformis Peñas & Rolán, 2016
filiola, Turbonilla filiola Yokoyama, 1927 - syn of: Iravadia yendoi (Yokoyama, 1927)
filocincta, Pyrgulina filocincta (Adams, 1863)
filosa, Turbonilla filosa Wood, 1842 † (FOSSIL)
finitima, Eulimella finitima Peñas & Rolán, 2016
finitima, Syrnola finitima Peñas & Rolán, 2016
finlayi, Syrnola finlayi (Laws, 1937) † (FOSSIL)
finlayi, Gispyrella finlayi Laws, 1937 † (FOSSIL)
finlayi, Waikura finlayi Laws, 1941 † (FOSSIL)
finlayi, Turbonilla finlayi Powell, 1926
fintschi, Turbonilla fintschi Clessin, 1900
fischeri, Chrysallida fischeri (Hornung & Mermod, 1925)
fischeri, Turbonilla fischeri Smith, 1891
fitoi, Turbonilla fitoi Peñas & Rolán, 2010
flagellum, Eulimella flagellum Coen, 1933 - syn of: Eulimella acicula (Philippi, 1836)
flaianoi, Turbonilla flaianoi Mazziotti, Agamennone & al., 2006
flavescens, Turbonilla flavescens (Carpenter, 1857)
flavinfula, Eulimella flavinfula Peñas & Rolán, 2016
flavocincta, Eulimella flavocincta Peñas & Rolán, 2016
flexicosta, Turbonilla flexicosta (Laseron, 1951)
flexicosta, Chrysallida intermixta flexicosta Bucquoy, Dautzenberg & Dollfus
flexicosta, Chrysallida flexicosta Locard, 1886 - syn of: Parthenina interstincta (Adams, 1797)
flexicostae, Pyrgulina flexicostae Peñas & Rolán, 2017
flexicostata, Strioturbonilla flexicostata (Maxwell, 1992) † (FOSSIL)
flexio, Turbonilla flexio Corgan, 1967 - syn of: Turbonilla hemphilli Bush, 1899 †
flexisculpta, Ovalina flexisculpta Peñas & Rolán, 2017
flexuosa, Parthenina flexuosa (Monterosato, 1874)
flexuosa, Careliopsis flexuosa (Saurin, 1961)
flexuosa, Odostomia flexuosa Monterosato, 1874 - syn of: Parthenina flexuosa (Monterosato, 1874)
florianae, Bulimoscilla florianae Robba, 2013 † (FOSSIL)
florida, Turbonilla florida Peñas & Rolán, 2010
floridana, Syrnola floridana (Bartsch, 1927)
fluminensis, Nisiturris fluminensis (Pimenta & Absalão, 2004)
folini, Eulimella folini Fischer, 1869 - syn of: Ebala striatula (Jeffreys, 1856)
folinii, Longchaeus folinii (Dall, 1889)
fontainei, Turbonilla fontainei Peñas & Rolán, 2010
fontanae, Eulimella fontanae Van Aartsen, Gittenberger & Goud, 2000
fonteini, Turbonilla fonteini De Jong & Coomans, 1988
formaviscala, Pyrgulina formaviscala Peñas & Rolán, 2017
formosa, Turbonilla formosa (Jeffreys, 1848)
formosa, Odostomia formosa Jeffreys, 1848 - syn of: Turbonilla rufa (Philippi, 1836)
formosa, Turbonilla formosa Verrill & Smith, 1880 - syn of: Turbonilla bushiana Verrill, 1882
formosa scalaroides, Turbonilla formosa scalaroides Nordsieck, 1972
formosana, Ebalina formosana (Nomura, 1938)
formosana, Odostomia formosana Nomura, 1938 - syn of: Ebalina formosana (Nomura, 1938)
fornix, Linopyrga fornix Laseron, 1951
forsteriana, Turbonilla forsteriana (Laws, 1937)
fortefunis, Oscilla fortefunis Peñas & Rolán, 2017
forticingulata, Hinemoa forticingulata Bozzetti, 2008
forticostae, Turbonilla forticostae Peñas & Rolán, 2010
fortiplicata, Siogamaia fortiplicata (Nomura, 1936)
fossalina, Miralda fossalina Laseron, 1959
foveata, Chrysallida foveata Robba, Di Geronimo, Chaimanee & al., 2004
foveolata, Chrysallida foveolata (Adams, 1860)
fractapex, Eulimella fractapex Peñas & Rolán, 2016
fragilis, Turbonilla fragilis Adams, 1860
fragilis, Quirella fragilis Peñas & Rolán, 2017
fragilissima, Ondina fragilissima Peñas & Rolán, 2002
franciscae, Miralda franciscae Saurin, 1958
franciscana, Odostomia franciscana Bartsch, 1917
franciscoi, Turbolidium franciscoi (Peñas & Rolán, 1997)
francisquitana, Turbonilla francisquitana Baker, Hanna & Strong, 1928
francoi, Odostomia francoi Peñas & Rolán, 1999
franki, Odostomia franki Peñas & Rolán, 1999
franklini, Eulimastoma franklini Pimenta, 2012
fraterna, Turbonilla fraterna Melvill, 1910
frielei, Eulimella frielei Høisæter, 2014
fromageti, Styloptygma fromageti Saurin, 1959
fuijitanii, Odostomia fuijitanii Yokoyama, 1927
fujitanii, Odostomia fujitanii Yokoyama, 1927
fulgarata, Turbonilla fulgarata Nomura, 1938
fulgens, Costabieta fulgens (Turton, 1932)
fulgidula, Turbonilla fulgidula (Jeffreys, 1884)
fulva, Monotygma fulva (Adams, 1853)
fulva, Pyramidella fulva Sowerby, 1865 - syn of: Colsyrnola brunnea (Adams, 1854)
fulvizonata, Turbonilla fulvizonata (Nomura, 1938)
fulvizonata, Pyrgolampros fulvizonata Nomura, 1938 - syn of: Turbonilla fulvizonata (Nomura, 1938)
fulvocincta, Turbonilla fulvocincta Thompson, 1840 - syn of: Turbonilla rufa (Philippi, 1836)
funicula, Eulimella funicula Peñas & Rolán, 2016
funiculata, Babella funiculata Saurin, 1962
funiculustriata, Odostomia funiculustriata Peñas & Rolán, 1999
fusca, Sayella fusca (Adams, 1839)
fusca, Turbonilla fusca (Adams, 1855)
fusca, Odostomia fusca Adams, 1839 - syn of: Sayella fusca (Adams, 1839)
fusca, Dunkeria fusca Adams, 1860 - syn of: Cerithidium fuscum (Adams, 1860)
fuscoelongata, Turbonilla fuscoelongata Peñas & Rolán, 1997
fuscofasciata, Puposyrnola fuscofasciata Peñas & Rolán, 2016
fusiformis, Pyrgulina fusiformis Peñas & Rolán, 2017
fustis, Turbonilla fustis Odé, 1995
fusulus, Auristomia fusulus (Monterosato, 1878)
fusulus, Odostomia fusulus Monterosato, 1878 - syn of: Auristomia fusulus (Monterosato, 1878)
gabbiana, Turbonilla gabbiana (Cooper, 1867)
gabmulderi, Parthenina gabmulderi (Van Aartsen, Gittenberger & Goud, 2000)
gabmulderi, Chrysallida gabmulderi Van Aartsen, Gittenberger & Goud, 2000 - syn of: Parthenina gabmulderi (Van Aartsen, Gittenberger & Goud, 2000)
gabonensis, Eulimella gabonensis Peñas, Rolán & Swinnen, 2014
gabrielae, Herewardia gabrielae Peñas & Rolán, 2017
gabrielae, Turbonilla gabrielae Peñas, Rolán & Swinnen, 2014
gabrielensis, Odostomia gabrielensis Baker, Hanna & Strong, 1928
gabrieli, Nisiturris gabrieli (Hedley, 1910)
gabrieli, Turbonilla gabrieli Hedley, 1910 - syn of: Nisiturris gabrieli (Hedley, 1910)
gabriellae, Besla gabriellae (Saurin, 1959)
galactodes, Turbonilla galactodes Melvill, 1910
galapagensis, Turbonilla galapagensis Dall & Bartsch, 1909
galatensis, Chemnitzia galatensis Gemmellaro, 1911 † - syn of: Proconulus galatensis (Gemmellaro, 1911) † (FOSSIL)
galbula, Chrysallida galbula Adams, 1863
galianoi, Turbonilla galianoi Dall & Bartsch, 1909
galilae, Oscilla galilae Bogi, Karhan & Yokes, 2012
gallegosiana, Odostomia gallegosiana Hertlein & Strong, 1951
galloisi, Miralda galloisi Saurin, 1959
gamachotensis, Eulimella gamachotensis Cossmann & Peyrot, 1917 † (FOSSIL)
garcerii, Odostomia garcerii Saurin, 1959
garciai, Turbonilla garciai Peñas & Rolán, 2010
garretti, Milda garretti (Tryon, 1886)
garrettiana, Turbonilla garrettiana Dall & Bartsch, 1906
garthi, Turbonilla garthi Strong & Hertlein, 1939
garudai, Egila garudai Robba, 2013 † (FOSSIL)
gatunensis, Chemnitzia gatunensis Brown & Pilsbry, 1913 † (FOSSIL)
gaudens, Fargoa gaudens Odé, 1993
gautieri, Besla gautieri Saurin, 1959
gavisa, Monotygma gavisa (Melvill, 1896)
gea, Megastomia gea (Bartsch, 1915)
gedrosica, Eulimella gedrosica Melvill, 1904
gemella, Oscilla gemella Peñas & Rolán, 2017
gemma, Miralda gemma (Adams, 1861)
gemmifera, Liamorpha gemmifera (Dautzenberg & Fischer, 1906)
gemmifera, Pyrgulina gemmifera Dautzenberg & Fischer, 1906 - syn of: Liamorpha gemmifera (Dautzenberg & Fischer, 1906)
gemmula, Turbonilla gemmula Smith, 1904
gemmulata, Turbonilla gemmulata (Saurin, 1959)
gemmulosa, Chrysallida gemmulosa (Adams, 1850)
genilda, Turbonilla genilda Dall & Bartsch, 1909
genouillyi, Chrysallida genouillyi Saurin, 1962
geoffreyi, Odostomia geoffreyi Laws, 1939
georgiana, Syrnola georgiana (Bartsch, 1927)
georgiana, Agatha georgiana (Hutton, 1885)
georgiana, Liostomia georgiana Pfeffer, 1886
geraudiei, Turbonilla geraudiei (Saurin, 1959)
gerda, Turbonilla gerda Thiele, 1925
germaini, Odostomella germaini (Dautzenberg & Fischer, 1906)
gestroi, Megastomia gestroi (Hornung & Mermod, 1924)
gestroi, Syrnola gestroi Hornung & Mermod, 1924 - syn of: Megastomia gestroi (Hornung & Mermod, 1924)
gestroi, Megastomia gestroi Hornung & Mermod, 1924 - syn of: Megastomia gestroi (Hornung & Mermod, 1924)
gestroides, Megastomia gestroides (Saurin, 1958)
ghanensis, Turbonilla ghanensis Peñas & Rolán, 1997
ghisottii, Folinella ghisottii (Van Aartsen, 1984)
giannuzzii, Turbonilla giannuzzii Peñas & Rolán, 2010
gibbosa, Fargoa gibbosa (Bush, 1909)
gibbosa, Turbonilla gibbosa (Carpenter, 1857)
gibbum, Styloptygma gibbum Adams, 1863
gigantea, Odostomia gigantea Dunker, 1877 - syn of: Leucotina casta (Adams, 1853)
gigantea, Syrnola gigantea Peñas & Rolán, 2016
gigantea, Egilina gigantea Saurin, 1958
gilli, Turbonilla gilli Dall & Bartsch, 1907
gilli delmontensis, Turbonilla gilli delmontensis Dall & Bartsch, 1907
gilsoni, Odostomia gilsoni Dautzenberg, 1912 - syn of: Megastomia conoidea (Brocchi, 1814)
ginanni, Chemnitzia ginanni Stoppani, 1858 † - syn of: Toxoconcha brocchi Stoppani, 1857 † (FOSSIL)
giribeti, Eulimella giribeti Peñas & Rolán, 1997
girundica, Ondina girundica Lozouet, Lesport & Renard, 2001 † (FOSSIL)
gisela, Exesilla gisela (Thiele, 1925)
gisna, Helodiamea gisna (Dall & Bartsch, 1904)
gisna, Odostomia gisna Dall & Bartsch, 1904 - syn of: Helodiamea gisna (Dall & Bartsch, 1904)
gitaena, Turbonilla gitaena Dautzenberg & Fischer, 1897
gittenbergeri, Odostomia gittenbergeri Van Aartsen & Corgan, 1996
gitzelsi, Chrysallida gitzelsi Van Aartsen, Gittenberger & Goud, 2000
glabra, Odostomia glabra Clessin, 1902
glabrata, Odostomia glabrata Forbes & Hanley, 1850 - syn of: Odostomia megerlei (Locard, 1886)
glabritesta, Menestho glabritesta Nomura, 1936
glans, Otopleura glans (Reeve, 1843)
glaphyra, Odostomia glaphyra Smith, 1890
gliriella, Herviera gliriella (Melvill & Standen, 1896)
gliriella, Pyrgulina gliriella Melvill & Standen, 1896 - syn of: Herviera gliriella (Melvill & Standen, 1896)
gloria, Numaegilina gloria (Nomura, 1938)
gloriamishimana, Turbonilla gloriamishimana Hori & Fukuda, 1999
gloriosa, Odostomia gloriosa Bartsch, 1912
glutinosa, Myxa glutinosa (Müller, 1774)
glycisma, Egilina glycisma (Melvill, 1899)
glycisma, Egilina glycisma Melvill, 1899 - syn of: Egilina glycisma (Melvill, 1899)
gofasi, Eulimella gofasi (Schander, 1994)
gofasi, Turbonilla gofasi Peñas & Rolán, 1999
gomezi, Odostomia gomezi Peñas, Rolán & Swinnen, 2014
goniostoma, Odostomia goniostoma Adams, 1860
gonzagensis, Turbonilla gonzagensis Baker, Hanna & Strong, 1928
gonzaloi, Turbonilla gonzaloi Peñas & Rolán, 2010
gordoniana, Turbonilla gordoniana Hertlein & Strong, 1951
gordonis, Megastomia gordonis (Yokoyama, 1922)
gorensis, Odostomia gorensis Laws, 1939
goudi, Turbonilla goudi Peñas & Rolán, 2002
gouldii, Odostomia gouldii Carpenter, 1864
goytacazi, Turbonilla goytacazi Pimenta & Absalão, 2004
gracerii, Odostomia gracerii Saurin, 1959
gracilenta, Pyrgiscilla gracilenta Nomura, 1936 - syn of: Pyrgiscus gracilentus (Nomura, 1936)
gracilentus, Pyrgiscus gracilentus (Nomura, 1936)
gracilientis, Odostomia gracilientis (Keep, 1887)
gracilior, Turbonilla gracilior (Adams, 1852)
gracilis, Rissopsetia gracilis (Oliver, 1915)
gracilis, Egilina gracilis (Yokoyama, 1926)
gracilis, Pyramidella gracilis Adams, 1854
gracilis, Turbonilla gracilis Grateloup, 1827 - syn of: Turbonilla pusilla (Philippi, 1844)
gracilis, Eulimella gracilis Jeffreys, 1869 - syn of: Eulimella ventricosa (Forbes, 1844)
gracilis, Odostomia gracilis Pease, 1868 - syn of: Evalea waikikiensis (Pilsbry, 1918)
gracilis, Turbonilla gracilis Philippi, 1844 - syn of: Turbonilla delicata (Monterosato, 1874)
gracillima, Turbonilla gracillima (Carpenter, 1857)
gracillima, Syrnola gracillima Adams, 1860
gracillima, Turbonilla gracillima Gabb, 1865 - syn of: Turbonilla gabbiana (Cooper, 1867)
gradata, Turbonilla gradata Bucquoy, Dautzenberg & Dollfus, 1883
gradata, Linopyrga gradata Robba, 2013 † (FOSSIL)
gradata, Megastomia gradata Robba, 2013 † (FOSSIL)
gradata, Costosyrnola gradata Saurin, 1962
gradatula, Tropaeas gradatula (Melvill & Standen, 1897)
gradatula, Mumiola gradatula (Mörch, 1876)
gradusuturae, Odostomia gradusuturae Peñas & Rolán, 1999
graffeuilli, Odostomella graffeuilli Saurin, 1959
grammatospira, Odostomia grammatospira Dall & Bartsch, 1903
granadensis, Odostomia granadensis Dall & Bartsch, 1909
grancilenta, Turbonilla grancilenta Nomura, 1936
grandis, Eulimella grandis Peñas & Rolán, 2016
grandis, Turbonilla grandis Verrill, 1885
granti, Syrnola granti Schnetler, 2001 † (FOSSIL)
granulata, Monotygma granulata (Adams, 1853)
granum, Obexomia granum (Laws, 1940) † (FOSSIL)
granum, Pyrgulina granum Peñas & Rolán, 2017
grateloupi, Pyramidella grateloupi Cossmann & Peyrot, 1917 † (FOSSIL)
grateloupi, Pyramidella grateloupi D'Orbigny, 1852 † (FOSSIL)
gratior, Chrysallida gratior Nomura, 1938
gratteloupi, Pyramidella gratteloupi D'Orbigny, 1852 † - syn of: Pyramidella grateloupi D'Orbigny, 1852 † (FOSSIL)
graviapicalis, Odostomia graviapicalis Laws, 1939 † (FOSSIL)
gravicosta, Turbonilla gravicosta (Laseron, 1951)
gravida, Odostomia gravida Gould, 1853
gravis, Turbonilla gravis (Laseron, 1951)
gravita, Odostomia gravita Gould, 1853 - syn of: Odostomia gravida Gould, 1853
grayi, Evalea grayi (Adams, 1860)
grijalvae, Odostomia grijalvae Baker, Hanna & Strong, 1928
grimaudi, Tiberia grimaudi Saurin, 1959
grippi, Turbonilla grippi Bartsch, 1912
grippiana, Odostomia grippiana Bartsch, 1912
grohi, Turbonilla grohi Peñas & Rolán, 2010
grossa, Turbonilla grossa Marshall, 1894 - syn of: Turbonilla sinuosa (Jeffreys, 1884)
grovesi, Pyrgulina grovesi Peñas & Rolán, 2017
gruberi, Turbonilla gruberi Hertlein & Strong, 1951
gruveli, Turbonilla gruveli Dautzenberg, 1912
guaicurana, Turbonilla guaicurana Strong, 1949
guanacastensis, Turbonilla guanacastensis Hertlein & Strong, 1951
guardarioorum, Pyramidella guardarioorum Poppe, Tagaro & Stahlschmidt, 2015
guardiarioorum, Pyramidella guardiarioorum Poppe, Tagaro & Stahlschmidt, 2015
guatulcoensis, Odostomia guatulcoensis Hertlein & Strong, 1951
gubbiolii, Chrysallida gubbiolii Peñas & Rolán, 1998
gubernatoria, Tragula gubernatoria Martin, 1904 † (FOSSIL)
guernei, Turbonilla guernei Dautzenberg, 1889
guerrai, Turbonilla guerrai Peñas & Rolán, 2010
guillemi, Turbonilla guillemi Peñas & Rolán, 2010
guilleni, Turbonilla guilleni Bartsch, 1917
gulicki, Odostomia gulicki Pilsbry, 1918
gulsonae, Chemnitzia gulsonae Clark, 1850 - syn of: Aclis gulsonae (Clark, 1850)
gumia, Hinemoa gumia (Hedley, 1909)
gunnamatta, Chrysallida gunnamatta (Laseron, 1951)
guppyi, Aartsenia guppyi (Gabb, 1873) † (FOSSIL)
guppyi, Ividella guppyi Landau & LaFollette, 2015 † (FOSSIL)
gutierrezi, Turbonilla gutierrezi Peñas & Rolán, 2010
gutta, Megastomia gutta Peñas & Rolán, 1999
guzzettii, Tibersyrnola guzzettii Bozzetti, 2007
habei, Chrysallida habei Nomura, 1938
hadakazimana, Turbonilla hadakazimana (Nomura, 1938)
hadakazimana, Chemnitzia hadakazimana Nomura, 1938 - syn of: Turbonilla hadakazimana (Nomura, 1938)
hadwigis, Tropaeas hadwigis (Thiele, 1925)
hadwigis, Turbonilla hadwigis Thiele, 1925 - syn of: Tropaeas hadwigis (Thiele, 1925)
hagemeisteri, Odostomia hagemeisteri Dall & Bartsch, 1909
halaibensis, Tropaeas halaibensis (Sturany, 1903)
halanychi, Turbonilla halanychi Lygre, Kongsrud & Schander, 2011
haleiwensis, Odostomia haleiwensis Pilsbry, 1918 - syn of: Evalea waikikiensis (Pilsbry, 1918)
haleyi, Turbonilla haleyi Strong & Hertlein, 1939
halibrecta, Turbonilla halibrecta Dall & Bartsch, 1909
halidoma, Turbonilla halidoma Dall & Bartsch, 1909
halistrepta, Turbonilla halistrepta Dall & Bartsch, 1909
hamata, Turbonilla hamata Nordsieck, 1972
hamata superata, Turbonilla hamata superata Nordsieck, 1972
hamonvillei, Turbonilla hamonvillei Dautzenberg & Fischer, 1896
hampdenensis, Pyrgiscilla hampdenensis (Allan, 1926) † (FOSSIL)
hanagaiana, Turbonilla hanagaiana (Nomura, 1938)
hanagaiana, Chemnitzia hanagaiana Nomura, 1938 - syn of: Turbonilla hanagaiana (Nomura, 1938)
hanagaiensis, Syrnola hanagaiensis Nomura, 1938 - syn of: Derjuginella rufofasciata (Smith, 1875)
hancocki, Pyramidella hancocki Strong & Hertlein, 1939
hannai, Turbonilla hannai Strong, 1938
hannoni, Turbonilla hannoni Pallary, 1912 - syn of: Turbonilla pumila Seguenza, 1876
hannoni, Turbonilla hannoni Pallary, 1920
hansgei, Liostomia hansgei Warén, 1991
hansi, Turbonilla hansi Peñas & Rolán, 2010
hanzawai, Syrnola hanzawai Nomura, 1939
harbisonae, Eulimastoma harbisonae Bartsch, 1955
harderi, Cingulina harderi Schnetler, 2001 † (FOSSIL)
harfordensis, Odostomia harfordensis Dall & Bartsch, 1907
haroldi, Turbonilla haroldi Laws, 1937
haroldi, Turbonilla haroldi Smith, 1890
harrisoni, Puposyrnola harrisoni (Tate & May, 1900)
harrissoni, Puposyrnola harrissoni Tate & May, 1900 - syn of: Puposyrnola harrisoni (Tate & May, 1900)
harukoae, Odostomia harukoae Nomura, 1938
harveyi, Odostomia harveyi Van Aartsen & Smith, 1996
hasimotoi, Turbonilla hasimotoi Nomura, 1937
hastata, Pyramidella hastata (Adams, 1854)
hastula, Babella hastula Saurin, 1962
hataianus, Pyrgiscus hataianus (Nomura, 1937)
hataishinkishii, Syrnola hataishinkishii Nomura, 1938
hataisinkishii, Styloptygma hataisinkishii Nomura, 1938
hattenbergeri, Turbonilla hattenbergeri Peñas & Rolán, 1997
hattenbergeriana, Afroturbonilla hattenbergeriana Peñas, Rolán & Schander, 1999
haugrandis, Turbonilla haugrandis Marwick, 1931 † (FOSSIL)
haullevillei, Turbonilla haullevillei Dautzenberg, 1912
haurakiensis, Odostomia haurakiensis Laws, 1939
havanensis, Miralda havanensis (Pilsbry & Aguayo, 1933)
hawera, Waikura hawera Laws, 1941 † (FOSSIL)
hayasakai, Turbonilla hayasakai Nomura, 1938
haycocki, Turbonilla haycocki Dall & Bartsch, 1911
heathi, Odostomia heathi Smith & Gordon, 1948
hebridarum, Pyrgiscus hebridarum (Peñas & Rolán, 2010)
hecuba, Turbonilla hecuba Dall & Bartsch, 1913
hedleyi, Turbonilla hedleyi (Laseron, 1951)
heilprini, Turbonilla heilprini Bush, 1899
helena, Odostomia helena Bartsch, 1912
helena, Turbonilla helena Thiele, 1925 - syn of: Turbonilla indonesiae Van Aartsen & Corgan, 1996
helga, Odostomia helga Dall & Bartsch, 1909
hella, Turbonilla hella Thiele, 1925
hemiorycta, Gispyrella hemiorycta Laws, 1937 † (FOSSIL)
hemiplicata, Ptycheulimella hemiplicata (Nomura, 1936)
hemisculpta, Evalea hemisculpta (de Folin, 1887)
hemphilli, Chemnitzia hemphilli Bartsch, 1955 - syn of: Turbonilla hemphilli Bush, 1899 †
hemphilli, Turbonilla hemphilli Bush, 1899 † (FOSSIL)
hemphilli, Odostomia hemphilli Dall & Bartsch, 1909
hemphillii, Sayella hemphillii (Dall, 1884)
hendersoni, Odostomia hendersoni Bartsch, 1909
henni, Paregila henni (Brazier, 1894)
henriettae, Besla henriettae Saurin, 1959
hera, Odostomia hera Bartsch, 1915 - syn of: Odostomia era Bartsch, 1927
herilda, Odostomia herilda Dall & Bartsch, 1909
hermia, Turbonilla hermia Melvill, 1906
hermosa, Peristichia hermosa (Lowe, 1935)
hernandezi, Turbonilla hernandezi Peñas & Rolán, 2010
herosae, Chrysallida herosae Peñas & Rolán, 1998
herosae, Eulimella herosae Van Aartsen, Gittenberger & Goud, 2000
herrerae, Odostomia herrerae Baker, Hanna & Strong, 1928
hertha, Turbonilla hertha Thiele, 1925
hertleini, Odostomia hertleini Strong, 1938
hervierioides, Pyrgulina hervierioides (Melvill, 1906)
hespera, Turbonilla hespera Bartsch, 1927
hesterna, Aartsenia hesterna (Wood, 1879) † (FOSSIL)
heterocincta, Odostomia heterocincta Bartsch, 1912
heterocycla, Chemnitzia heterocycla Eudes-Deslongchamps, 1866 † - syn of: Angulasina heterocycla (Eudes-Deslongchamps, 1866) † (FOSSIL)
heterolopha, Turbonilla heterolopha Dall & Bartsch, 1909
hians, Odetta hians (Saurin, 1961)
hierroensis, Odostomia hierroensis Peñas & Rolán, 1999
hilda, Turbonilla hilda Thiele, 1925
hilgendorfi, Odostomia hilgendorfi Clessin, 1900
hiloensis, Odostomia hiloensis Pilsbry, 1918 - syn of: Odostomia stearnsiella Pilsbry, 1918
hiloensis, Odostomia hiloensis Pilsbry, 1944 - syn of: Evalea waikikiensis (Pilsbry, 1918)
hinomotoensis, Eulimella hinomotoensis Nomura, 1938
hipolitensis, Odostomia hipolitensis Dall & Bartsch, 1909
hiradoensis, Turbonilla hiradoensis Pilsbry, 1904
hiradoensis badia, Turbonilla hiradoensis badia Pilsbry, 1904 - syn of: Turbonilla hiradoensis Pilsbry, 1904
hirasei, Mormula hirasei Kuroda, 1960
hirotamurana, Odostomia hirotamurana Nomura, 1938
histias, Turbonilla histias Dall & Bartsch, 1909
hoecki, Turbonilla hoecki Dautzenberg & Fischer, 1896 - syn of: Turbonilla hoeki Dautzenberg & Fischer, 1896
hoeisaeteri, Turbonilla hoeisaeteri Lygre, Kongsrud & Schander, 2011
hoeisaeteri, Chrysallida hoeisaeteri Warén, 1991
hoeki, Turbonilla hoeki Dautzenberg & Fischer, 1896
hoenselaari, Chrysallida hoenselaari Van Aartsen, Gittenberger & Goud, 2000
hoernesi, Syrnola hoernesi (Koenen, 1882) † (FOSSIL)
hofmani, Turbonilla hofmani Angas, 1877
holocenica, Turbonilla holocenica Robba, Di Geronimo, Chaimanee & al., 2004
holthuisi, Folinella holthuisi (Van Aartsen, Gittenberger & Goud, 1998)
holthuisi, Odostomia holthuisi Van Aartsen, Gittenberger & Goud, 1998 - syn of: Folinella holthuisi (Van Aartsen, Gittenberger & Goud, 1998)
homaeotata, Pyrgiscilla homaeotata Watson, 1886 - syn of: Gymnobela homaeotata (Watson, 1886)
hommungensis, Pyrgulina hommungensis Saurin, 1959
homoeotata, Turbonilla homoeotata (Watson, 1886)
honiara, Turbonilla honiara Peñas & Rolán, 2010
honis, Odostomia honis Saurin, 1959
honmungensis, Pyrgulina honmungensis Saurin, 1959
honnorati, Chrysallida honnorati Saurin, 1959
hordeola, Odostomia hordeola (Lamarck, 1804) † (FOSSIL)
horii, Chrysallida horii Van Aartsen, Gittenberger & Goud, 2000
horrida, Costabieta horrida (Garrett, 1873)
hortensia, Turbonilla hortensia Thiele, 1925
hortensiae, Odostomella doliolum hortensiae Nansouty
houseri, Turbonilla houseri Dall & Bartsch, 1909
htaiana, Turbonilla htaiana Nomura, 1937
hua, Turbonilla hua Bartsch, 1926
huata, Terelimella huata Maxwell, 1992 † (FOSSIL)
hulda, Nisiturris hulda Thiele, 1925
humbertoi, Turbonilla humbertoi Peñas & Rolán, 2010
humboldti, Euparthenia humboldti (Risso, 1826)
humboldti, Eulimastoma humboldti (Weisbord, 1962)
humboldti, Chemnitzia humboldti Philippi, 1844 - syn of: Euparthenia bulinea (Lowe, 1841)
humboldti sulcata, Menestho humboldti sulcata Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Euparthenia humboldti (Risso, 1826)
humboldti tuberculata, Menestho humboldti tuberculata Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Euparthenia humboldti (Risso, 1826)
humerica, Eurathea humerica Laseron, 1959
humilis, Quirella humilis (Preston, 1905)
humilis, Cyclostremella humilis Bush, 1897
humilis, Pyramidella humilis Preston, 1905 - syn of: Quirella humilis (Preston, 1905)
humilis, Mormula humilis Preston, 1905 - syn of: Quirella humilis (Preston, 1905)
humilis, Pyrgulina humilis Preston, 1905 - syn of: Quirella humilis (Preston, 1905)
humilis, Chemnitzia humilis Yokoyama, 1924
hummelincki, Rissopsetia hummelincki Faber, 1984
hutchinsoniana, Terelimella hutchinsoniana Laws, 1938 † (FOSSIL)
huttoni, Evalea huttoni (Suter, 1908) † (FOSSIL)
hyalina, Tiberia hyalina (Dunker, 1860)
hyalina, Odostomia hyalina Adams, 1860
hyalina, Odostomia hyalina Jeffreys, 1870 - syn of: Ebala striatula (Jeffreys, 1856)
hyalinella, Odostomia hyalinella Kuroda & Habe, 1952
hydra, Turbonilla hydra Bartsch, 1955 - syn of: Turbonilla hemphilli Bush, 1899 †
hypatia, Odostomia hypatia Dall & Bartsch, 1912
hyphala, Odostomia hyphala Watson, 1886
hypocurta, Menestho hypocurta (Dall & Bartsch, 1909)
hypolispa, Turbonilla hypolispa Dall & Bartsch, 1909
icafra, Odostomia icafra Bartsch, 1915
icela, Turbonilla icela Melvill, 1910
idalima, Miralda idalima Melvill, 1896
idothea, Turbonilla idothea Bartsch, 1927
iglesiasi, Turbonilla iglesiasi Peñas & Rolán, 2010
ignacia, Turbonilla ignacia Dall & Bartsch, 1909
ignava, Rugadentia ignava (Hedley, 1908)
ignava, Linopyrga ignava (Hedley, 1908) - syn of: Rugadentia ignava (Hedley, 1908)
ignorabilis, Eulimella ignorabilis Peñas & Rolán, 1997 - syn of: Koloonella ignorabilis (Peñas & Rolán, 1997)
ignorata, Odostomia ignorata (Monterosato, 1917)
iheringi, Turbonilla iheringi Clessin, 1900 - syn of: Turbonilla brasiliensis Clessin, 1902
ilfa, Turbonilla ilfa Bartsch, 1927
iliuliukensis, Odostomia iliuliukensis Dall & Bartsch, 1909
ima, Miralda ima (Melvill, 1906)
ima, Turbonilla ima Dall & Bartsch, 1909
imbana, Turbonilla imbana (Yokoyama, 1922)
imbana, Chemnitzia imbana Yokoyama, 1922 - syn of: Turbonilla imbana (Yokoyama, 1922)
imitator, Eulimella imitator Laws, 1939 † (FOSSIL)
imminens, Syrnola imminens Robba, 2013 † (FOSSIL)
impercepta, Chrysallida impercepta Schander, 1994
imperforata, Tropaeas imperforata Laseron, 1959
imperialis, Turbonilla imperialis Dall & Bartsch, 1909
imperita, Cingulina imperita Laseron, 1959
imponderabilior, Odostomia imponderabilior Oberling, 1970
impressa, Boonea impressa (Say, 1822)
improbabilis, Odostomia improbabilis (Oberling, 1970)
improbabilis, Marginodostomia improbabilis Van Aartsen, 1987 - syn of: Odostomia improbabilis (Oberling, 1970)
ina, Turbonilla ina Bartsch, 1917
inaequabilis, Turbonilla inaequabilis Peñas & Rolán, 1997
inaequalis, Turbonilla inaequalis Melvill, 1904
inaequalis, Cingulina inaequalis Saurin, 1958
inaequistriata, Pyrgiscilla inaequistriata Saurin, 1959 - syn of: Pyrgiscus inaequistriatus (Saurin, 1959)
inaequistriatus, Pyrgiscus inaequistriatus (Saurin, 1959)
inamuragasakiensis, Cingulina inamuragasakiensis Nomura, 1938
inbana, Sinuatodostomia inbana (Nomura, 1938)
inca, Turbonilla inca Bartsch, 1926
incantata, Miralda incantata Hertlein & Strong, 1939
incantatus, Peristichia incantatus (Hertlein & Strong, 1939)
incerta, Spiralinella incerta (Milaschewitsch, 1916)
incidata, Odostomia incidata Suter, 1908
incisa, Houbricka incisa (Bush, 1899)
incisa, Turbonilla incisa Bush, 1899 - syn of: Houbricka incisa (Bush, 1899)
incisa constricta, Turbonilla incisa constricta Bush, 1899 - syn of: Houbricka incisa (Bush, 1899)
inclinata, Turbonilla inclinata Bush, 1899 - syn of: Turbonilla penistoni Bush, 1899
inclinata, Eulimella inclinata Peñas & Rolán, 2016
inconspicua, Odostomia inconspicua (Adams, 1852)
inconstans, Dunkeria inconstans de Folin, 1871 - syn of: Aclis ascaris (Turton, 1819)
incurva, Turbonilla incurva (Laseron, 1959)
indenta, Turbonilla indenta (Laseron, 1959)
indentata, Turbonilla indentata (Carpenter, 1857)
indianola, Turbonilla indianola (Melvill, 1881)
indica, Hinemoa indica (Melvill, 1896)
indica, Oscilla indica Melvill, 1896 - syn of: Hinemoa indica (Melvill, 1896)
indispensabilis, Turbonilla indispensabilis Peñas & Rolán, 2010
indistincta, Chrysallida indistincta (Henn & Brazier, 1894)
indistincta, Parthenina indistincta (Montagu, 1808)
indistincta, Odostomia indistincta Montagu, 1808 - syn of: Parthenina indistincta (Montagu, 1808)
indistincta, Turbonilla indistincta Montagu, 1808 - syn of: Parthenina indistincta (Montagu, 1808)
indistincta, Pyrgulina indistincta Montagu, 1808 - syn of: Parthenina indistincta (Montagu, 1808)
indistincta brevior, Odostomia indistincta brevior Jeffreys, 1867 - syn of: Parthenina indistincta (Montagu, 1808)
indonesiae, Turbonilla indonesiae Van Aartsen & Corgan, 1996
indosinica, Vagna indosinica Saurin, 1959
inequicingulata, Paracingulina inequicingulata (Nomura, 1938)
inexpectata, Eulimella inexpectata (Oliver, 1915)
inexpectata, Tibersyrnola inexpectata Laws, 1937 † (FOSSIL)
infans, Turbonilla infans (Laseron, 1951)
infantilis, Pyrgiscus infantilis Saurin, 1958
infantula, Turbonilla infantula Dall & Bartsch, 1906
infelix, Turbonilla infelix Nomura, 1936
infelix, Turbonilla infelix Thiele, 1925
inferiuslata, Turbonilla inferiuslata Peñas & Rolán, 2010
infida, Carasia infida Jekelius, 1944 † (FOSSIL)
inflata, Odostomia inflata Carpenter, 1864
inflata, Ondina diaphana inflata Marshall
inflata, Chemnitzia inflata Phillips, 1871 † (FOSSIL)
informis, Turbonilla informis (Laws, 1937)
infrabita, Turbonilla infrabita Peñas & Rolán, 2010
infraduplex, Oscilla infraduplex Peñas & Rolán, 2017
infrafasciata, Eulimella infrafasciata Peñas & Rolán, 2016
infrasulcata, Chrysallida infrasulcata Dautzenberg, 1912 - syn of: Menestho sulcata de Folin, 1870
infrequens, Odostomia infrequens (Nomura, 1937)
innocens, Odostomella innocens Thiele, 1925
innocua, Chrysallida innocua Corgan, 1970
innovata, Turbonilla innovata Monterosato, 1884 - syn of: Turbonilla pumila Seguenza, 1876
inobservata, Turbonilla inobservata Peñas & Rolán, 1999
inoperta, Eulimella inoperta Peñas & Rolán, 2016
inopinata, Pyramidella inopinata (Schander, 1994)
insculpta, Odostomia insculpta Carpenter, 1864 - syn of: Nassarius insculptus (Carpenter, 1864)
insculpta, Ondina insculpta Montagu, 1808 - syn of: Ondina divisa (Adams, 1797)
insculpta nobilis, Auriculina insculpta nobilis Sars, 1878 - syn of: Ondina divisa (Adams, 1797)
insculpta tumida, Odostomia insculpta tumida Jeffreys, 1869 - syn of: Ondina divisa (Adams, 1797)
insititia, Chemnitzia insititia (Pilsbry & Johnson, 1917) † (FOSSIL)
insularis, Pyramidella insularis (Oliver, 1915)
insularis, Besla insularis (Oliver, 1915)
insularis, Chrysallida insularis (Oliver, 1915)
insularis, Turbonilla insularis Dall & Simpson, 1901
insularis, Pyrgulina insularis Oliver, 1915 - syn of: Besla insularis (Oliver, 1915)
insularum, Longchaeus insularum (Pilsbry, 1922)
insularum, Pyramidella insularum Pilsbry, 1922 - syn of: Longchaeus insularum (Pilsbry, 1922)
insularum canaliculatus, Longchaeus insularum canaliculatus (Sowerby, 1874)
integra, Turbonilla integra (Saurin, 1959)
interconvexa, Eulimella interconvexa Peñas & Rolán, 2016
interita, Chrysallida interita Linden & Eikenboom, 1992 † (FOSSIL)
intermedia, Odostomia intermedia (Carpenter, 1857)
intermedia, Eulimella intermedia de Folin, 1870 - syn of: Eulimella turris (Forbes, 1844)
intermedia, Ondina warreni intermedia Marshall
intermissa, Parthenina intermissa (Thiele, 1925)
intermixta, Chrysallida intermixta (Monterosato, 1884)
intermixta flexicosta, Chrysallida intermixta flexicosta Bucquoy, Dautzenberg & Dollfus, 1885
intermixta major, Chrysallida intermixta major Nordsieck, 1972
internodula, Pyrgolidium internodula (Wood, 1847)
interolineata, Megastomia interolineata (Nomura, 1936)
interpressa, Syrnola interpressa Peñas & Rolán, 2016
interrupta, Turbonilla interrupta (Totten, 1835)
intersculpta, Pyrgulina intersculpta (Sowerby, 1901)
intersecta, Eulimella acicula intersecta de Folin
interspatiosa, Chrysallida interspatiosa Linden & Eikenboom, 1992 - syn of: Parthenina flexuosa (Monterosato, 1874)
interstincta, Parthenina interstincta (Adams, 1797)
interstincta acuta, Parthenina interstincta acuta Nordsieck, 1972
interstincta basicostata, Parthenina interstincta basicostata Nordsieck, 1972
interstincta lata, Parthenina interstincta lata Jeffreys & Marshall
interstincta multicostata, Odostomia interstincta multicostata Jeffreys, 1884 - syn of: Parthenina multicostata (Jeffreys, 1884)
interstriata, Pyrgulina interstriata (Souverbie, 1866)
interstriatus, Syrnola interstriatus Wade, 1926
interzonata, Chemnitzia interzonata Stoppani, 1857 † - syn of: Omphaloptycha escheri (Hoernes, 1856) † (FOSSIL)
intextus, Pyrgiscus intextus (Marwick, 1931) † (FOSSIL)
intia, Turbonilla intia Bartsch, 1926
intrafuniculata, Puposyrnola intrafuniculata Peñas & Rolán, 2016
intraliciata, Syrnola intraliciata Peñas & Rolán, 2016
introspecta, Moerchia introspecta Hedley, 1907
intumescens, Puposyrnola intumescens (Koenen, 1891) † (FOSSIL)
intumescens, Syrnola intumescens Koenen, 1891 † - syn of: Puposyrnola intumescens (Koenen, 1891) † (FOSSIL)
intumescens, Chrysallida intumescens Schander, 1994
inturbida, Puposyrnola inturbida (Yokoyama, 1927)
intuslirata, Turbonilla intuslirata de Folin, 1879
inverta, Chrysallida inverta (Laseron, 1959)
involuta, Chemnitzia involuta Stoppani, 1858 † - syn of: Omphaloptycha aldrovandii (Stoppani, 1857) † (FOSSIL)
iolausi, Turbonilla iolausi Bartsch, 1955
iota, Chemnitzia iota Gould, 1861
iota, Odostomia iota Maxwell, 1992 † (FOSSIL)
irafca, Odostomia irafca Bartsch, 1915
iredalei, Turbonilla iredalei (Laseron, 1959)
irena, Chemnitzia irena Thiele, 1925
irma, Pyrgiscus irma (Thiele, 1925)
irregularis, Syrnola irregularis Peñas & Rolán, 2016
irrevocata, Syrnola irrevocata Laws, 1937 † (FOSSIL)
isabelita, Turbonilla isabelita Peñas & Rolán, 2010
isabelitae, Turbonilla isabelitae Peñas & Rolán, 2000
isabella, Odostomella isabella Lozouet, 1998 † (FOSSIL)
isae, Turbonilla isae Peñas & Rolán, 2010
iseborae, Turbonilla iseborae Lygre & Schander, 2010
isidella, Herviera isidella Melvill & Standen, 1899
islandica, Rissopsetia islandica Warén, 1989
isolda, Tropaeas isolda Thiele, 1925
israelskyi, Turbonilla israelskyi Strong & Hertlein, 1939
isseli, Cingulina isseli (Tryon, 1886)
ista, Turbonilla ista Bartsch, 1917
isthmica, Odostomia isthmica Strong & Hertlein, 1939
isthmiea, Odostomia isthmiea Strong & Hertlein, 1939 - syn of: Odostomia isthmica Strong & Hertlein, 1939
istiusmodi, Oscilla istiusmodi Peñas & Rolán, 2017
istmica, Evalea istmica (Strong & Hertlein, 1939)
italiana, Odostomia italiana (Corgan & Van Aartsen, 1998)
italoi, Odostomia italoi Peñas & Rolán, 1999
itonis, Liostomia itonis Kuroda, 1967
iuga, Chrysallida iuga (Laseron, 1959)
iusta, Eulimella iusta Moreno, Peñas & Rolán, 2003 † (FOSSIL)
ivea, Chemnitzia ivea Stimpson, 1851 † (FOSSIL)
jacksonensis, Cossmannica jacksonensis (Dall & Bartsch, 1906)
jacksonensis, Syrnola jacksonensis Laseron, 1951
jacquesi, Odostomia jacquesi Peñas & Rolán, 1999
jactura, Turbonilla jactura (Laws, 1937)
jaculum, Styloptygma jaculum (Melvill & Standen, 1896)
jacundior, Megastomia jacundior (Nomura, 1937)
jadisi, Boonea jadisi (Olsson & McGinty, 1958)
jadisi, Odostomia jadisi Olsson & McGinty, 1958 - syn of: Boonea jadisi (Olsson & McGinty, 1958)
jadisi, Chrysallida jadisi Olsson & McGinty, 1958 - syn of: Boonea jadisi (Olsson & McGinty, 1958)
jamaicensis, Longchaeus jamaicensis (Dall, 1896) † (FOSSIL)
jansseni, Ondina jansseni Van Aartsen & Menkhorst, 1996
japonica, Aartsenia japonica (Adams, 1860)
japonica, Orinella japonica (Dall & Bartsch, 1906)
japonica, Odostomia japonica Adams, 1860 - syn of: Aartsenia japonica (Adams, 1860)
japonica, Cingulina japonica Clessin, 1902
javanensis, Menesthella javanensis Robba, 2013 † (FOSSIL)
javanensis, Nisipyrgiscus javanensis Robba, 2013 † (FOSSIL)
javiercondei, Turbonilla javiercondei Peñas & Rolán, 2010
javii, Turbonilla javii Peñas & Rolán, 2010
jeanpaulkrepsi, Parthenina jeanpaulkrepsi Peñas, Rolán & Swinnen, 2014
jeffreysi, Chrysallida jeffreysi Bucquoy, Dautzenberg & Dollfus, 1882 - syn of: Chrysallida intermixta (Monterosato, 1884)
jeffreysi, Turbonilla jeffreysi Koch & Wiechmann, 1872 † (FOSSIL)
jeffreysi flexicosta, Odostomia jeffreysi flexicosta Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Chrysallida intermixta (Monterosato, 1884)
jeffreysiana, Trabecula jeffreysiana (Monterosato, 1884)
jeffreysiana, Odostomella jeffreysiana Monterosato, 1884 - syn of: Trabecula jeffreysiana (Monterosato, 1884)
jeffreysiana undata, Trabecula jeffreysiana undata (Watson, 1897)
jeffreysii, Pyrgiscus jeffreysii (Jeffreys, 1848)
jeffreysii, Chemnitzia jeffreysii Forbes & Hanley, 1850 - syn of: Pyrgiscus jeffreysii (Jeffreys, 1848)
jewetti, Turbonilla jewetti Dall & Bartsch, 1909
joae, Besla joae Saurin, 1962
jocosa, Oscilla jocosa Melvill, 1904
jocosior, Oscilla jocosior Saurin, 1959
joelleae, Turbonilla joelleae Peñas & Rolán, 2010
johnsoni, Turbonilla johnsoni Baker, Hanna & Strong, 1928
jonesii, Odostomia jonesii Verrill & Bush, 1900
jordii, Chrysallida jordii Peñas & Rolán, 1998 - syn of: Folinella moolenbeeki Van Aartsen, Gittenberger & Goud, 1998
jordii, Turbonilla jordii Peñas & Rolán, 2002
jorgei, Turbonilla jorgei Peñas & Rolán, 2010
josae, Parthenina josae (Van Aartsen, Gittenberger & Goud, 2000)
josae, Chrysallida josae Van Aartsen, Gittenberger & Goud, 2000 - syn of: Parthenina josae (Van Aartsen, Gittenberger & Goud, 2000)
joseantonioi, Turbonilla joseantonioi Peñas & Rolán, 2010
josephi, Turbonilla josephi (Saurin, 1959)
josettae, Pyrgolidium josettae (Saurin, 1959)
joubini, Turbonilla joubini Dautzenberg, 1912
joubini, Turbonilla joubini Peñas, Templado & Martínez, 1996 - syn of: Pyrgiscus abrardi (Fischer-Piette & Nicklés, 1946)
jozinae, Turbonilla jozinae Van Aartsen & Corgan, 1996
juanhorroi, Turbonilla juanhorroi Peñas & Rolán, 2010
juani, Turbonilla juani Bartsch, 1917
judithae, Miralda judithae Nowell-Usticke, 1959 - syn of: Pseudoscilla babylonia (Adams, 1845)
julia, Turbonilla julia Melvill, 1910
juliae, Parthenina juliae (de Folin, 1872)
juliae, Eulimella juliae Peñas & Rolán, 2002
juliae, Turbonilla juliae Peñas & Rolán, 2010
juliae nanodea, Parthenina juliae nanodea (Monterosato, 1878)
julii, Monotygma julii (Saurin, 1959)
julii, Monotygma julii Saurin, 1959 - syn of: Monotygma julii (Saurin, 1959)
julioferreri, Mumiola julioferreri Peñas & Rolán, 2017
jullieni, Chrysallida jullieni (Dautzenberg, 1912) - syn of: Pyrgulina jullieni (Dautzenberg, 1912)
jullieni, Pyrgulina jullieni (Dautzenberg, 1912)
junghuhni, Longchaeus junghuhni (Martin, 1906) † (FOSSIL)
junghuhni, Pyrgiscus junghuhni (Martin, 1906) † (FOSSIL)
junior, Linopyrga junior Laws, 1941 † (FOSSIL)
kaapor, Turbonilla kaapor Pimenta & Absalão, 2004
kaasi, Eulimella kaasi (Van Aartsen, Gittenberger & Goud, 2000)
kaasi, Puposyrnola kaasi Van Aartsen, Gittenberger & Goud, 1998
kaawa, Turbonilla kaawa (Laws, 1937) † (FOSSIL)
kaawa, Megastomia kaawa (Laws, 1940) † (FOSSIL)
kaawa, Striodostomia kaawa Laws, 1940 † (FOSSIL)
kaawa, Terelimella kaawa Laws, 1940 † (FOSSIL)
kaawaensis, Bartrumella kaawaensis Laws, 1940 † (FOSSIL)
kaawaensis, Eulimella kaawaensis Laws, 1940 † (FOSSIL)
kadavu, Turbonilla kadavu Peñas & Rolán, 2010
kadiakensis, Odostomia kadiakensis Dall & Bartsch, 1909
kagamigaurana, Turbonilla kagamigaurana Nomura, 1938
kahoolawensis, Odostomia kahoolawensis Pilsbry, 1918 - syn of: Odostomia stearnsiella Pilsbry, 1918
kahoolawensis, Turbonilla kahoolawensis Pilsbry, 1918 - syn of: Turbonilla lirata (Adams, 1855)
kaisensis, Eulimella kaisensis Melvill, 1898
kaliwana, Turbonilla kaliwana Strong, 1949
kamakurana, Megastomia kamakurana (Nomura, 1938)
kamakurensis, Turbonilla kamakurensis (Nomura, 1938)
kamakurensis, Chemnitzia kamakurensis Nomura, 1938 - syn of: Turbonilla kamakurensis (Nomura, 1938)
kamayura, Turbonilla kamayura Absalão, Dos Santos & Tenório, 2003
kampotensis, Pyrgulina kampotensis Saurin, 1962
kanagawana, Turbonilla kanagawana (Nomura, 1938)
kanagawana, Chemnitzia kanagawana Nomura, 1938 - syn of: Turbonilla kanagawana (Nomura, 1938)
karachiensis, Syrnola karachiensis Melvill, 1897
karangensis, Longchaeus karangensis (Martin, 1905) † (FOSSIL)
karasensis, Bartschella karasensis Robba, 2013 † (FOSSIL)
karasensis, Egilina karasensis Robba, 2013 † (FOSSIL)
karasensis, Nisiturris karasensis Robba, 2013 † (FOSSIL)
karasensis, Puposyrnola karasensis Robba, 2013 † (FOSSIL)
karasensis, Turbonilla karasensis Robba, 2013 † (FOSSIL)
kathiewayae, Turbonilla kathiewayae Peñas & Rolán, 2010
kauaiensis, Turbonilla kauaiensis Pilsbry & Cooke, 1917 - syn of: Turbonilla lirata (Adams, 1855)
keinosukeana, Chrysallida keinosukeana Nomura, 1938
keiskeana, Chemnitzia keiskeana Yokoyama, 1927
keisukeana, Turbonilla keisukeana (Yokoyama, 1927)
keisukeana, Chemnitzia keisukeana Yokoyama, 1927 - syn of: Turbonilla keisukeana (Yokoyama, 1927)
kelirensis, Pyramidella kelirensis Martin, 1916 - syn of: Longchaeus menadensis (Schepman, 1907) †
kelseyi, Odostomia kelseyi Bartsch, 1912
kelseyi, Turbonilla kelseyi Dall & Bartsch, 1909
kempermani, Pyrgulina kempermani (Van Aartsen, Gittenberger & Goud, 2000)
kempermani, Chrysallida kempermani Van Aartsen, Gittenberger & Goud, 2000 - syn of: Pyrgulina kempermani (Van Aartsen, Gittenberger & Goud, 2000)
kempi, Eulimella kempi Grant-Mackie & Chapman-Smith, 1971 † (FOSSIL)
kempi, Turbonilla kempi Ray, 1968
kennerleyi, Odostomia kennerleyi Dall & Bartsch, 1907
kepensis, Pyrgulina kepensis Saurin, 1962
kereruensis, Turbonilla kereruensis (Laws, 1937) † (FOSSIL)
kergueleae, Odostomia kergueleae Van Aartsen & Corgan, 1996
kermadecensis, Turbonilla kermadecensis Salisbury, 1936
kerstinae, Turbonilla kerstinae Schander, 1994
kesenensis, Syrnola kesenensis Nomura, 1938
kesennumana, Turbonilla kesennumana Nomura, 1938
kesennumensis, Menestho kesennumensis Nomura, 1938
kesteveni, Herewardia kesteveni (Hedley, 1907)
khanhoana, Odostomia khanhoana Saurin, 1959
khmeriana, Numaegilina khmeriana Saurin, 1962
kidoensis, Turbonilla kidoensis (Yokoyama, 1922)
killisnooensis, Odostomia killisnooensis Dall & Bartsch, 1909
kincaidi, Turbonilla kincaidi Bartsch, 1912
kingi, Turbonilla kingi (Laws, 1937)
kinkelini, Syrnola kinkelini Cossmann † (FOSSIL)
kinkwazan, Siogamaia kinkwazan (Nomura, 1937)
kinkwazan, Odostomia kinkwazan Nomura, 1937 - syn of: Siogamaia kinkwazan (Nomura, 1937)
kinpana, Boonea kinpana Hori & Nakamura, 1999
kitcheni, Turbonilla kitcheni (Laseron, 1951)
kizakiensis, Odostomia kizakiensis Yokoyama, 1922
kmagha, Turbonilla kmagha Peñas & Rolán, 2010
knudseni, Odostomella knudseni Schander, Hori & Lundberg, 1999
kobelti, Eulimella kobelti (Dautzenberg, 1912)
kobelti, Turbonilla kobelti Dautzenberg, 1912 - syn of: Eulimella kobelti (Dautzenberg, 1912)
koehleri, Turbonilla koehleri Peñas & Rolán, 2010
koeneni, Odostomia koeneni (Boettger, 1907) † (FOSSIL)
koeneniana, Turbonilla koeneniana Sacco, 1892 † (FOSSIL)
koheii, Oscilla koheii (Nomura, 1937)
komitica, Turbonilla komitica Laws, 1937 † (FOSSIL)
komitica, Eulimella komitica Laws, 1939 † (FOSSIL)
korantengi, Turbonilla korantengi Lygre & Schander, 2010
koruahina, Turbonilla koruahina Laws, 1937 † (FOSSIL)
kotoeae, Egilina kotoeae Hori & Fukuda, 1999
kotorai, Pyrgiscus kotorai (Nomura, 1936)
kotorai, Pyrgiscilla kotorai Nomura, 1936 - syn of: Pyrgiscus kotorai (Nomura, 1936)
kotorana, Odostomia kotorana Nomura, 1937
krakstadi, Turbonilla krakstadi Lygre & Schander, 2010
krausei, Odostomia krausei Clessin, 1890 - syn of: Turbonilla candida (Adams, 1855)
kraussi, Turbonilla kraussi Clessin, 1890 - syn of: Turbonilla candida (Adams, 1855)
krebsii, Turbonilla krebsii (Mörch, 1875)
kreffti, Odostomia kreffti Angas, 1867
krempfi, Pyrgulina krempfi Saurin, 1959
kromi, Odostomia kromi Van Aartsen, Menkhorst & Gittenberger, 1984
kronenbergi, Trabecula kronenbergi (Van Aartsen, Gittenberger & Goud, 2000)
kronenbergi, Chrysallida kronenbergi Van Aartsen, Gittenberger & Goud, 2000 - syn of: Trabecula kronenbergi (Van Aartsen, Gittenberger & Goud, 2000)
krumpermani, Trabecula krumpermani (De Jong & Coomans, 1988)
krungtepensis, Morrisonietta krungtepensis Brandt, 1968
kugyoi, Turbonilla kugyoi (Nomura, 1938)
kugyoi, Chemnitzia kugyoi Nomura, 1938 - syn of: Turbonilla kugyoi (Nomura, 1938)
kuiperi, Odostomia kuiperi Van Aartsen, Gittenberger & Goud, 1998
kuraenohamana, Turbonilla kuraenohamana Hori & Fukuda, 1999
kurodai, Turbonilla kurodai Nomura, 1936
kuroshiwo, Megastomia kuroshiwo (Nomura, 1939)
kurtzii, Turbonilla kurtzii Mazÿck, 1913
kurumana, Syrnola kurumana Yokoyama, 1927
kururiensis, Turbonilla kururiensis Nomura, 1939
kuzmici, Kleinella kuzmici Brusina, 1865 - syn of: Euparthenia humboldti (Risso, 1826)
kwantoensis, Menestho kwantoensis Nomura, 1938
kymatodes, Chrysallida kymatodes (Watson, 1886)
kymatoessa, Turbonilla kymatoessa (Watson, 1886)
laboutei, Turbonilla laboutei Peñas & Rolán, 2010
labunensis, Sinuatodostomia labunensis Robba, Di Geronimo, Chaimanee & al., 2004
lacourti, Chrysallida lacourti Nordsieck, 1972 - syn of: Spiralinella spiralis (Montagu, 1803)
lacrimabunda, Turbonilla lacrimabunda Harzhauser, 2014 † (FOSSIL)
lacrimaeformae, Eulimella lacrimaeformae Peñas & Rolán, 2016
lacrimaeformae, Ondina lacrimaeformae Peñas, Rolán & Swinnen, 2014
lactea, Turbonilla lactea (Linnaeus, 1758)
lactea, Odostomia lactea Angas, 1867 - syn of: Syrnola angasi (Tryon, 1886)
lactea, Kleinella lactea Michaud, 1829 - syn of: Euparthenia humboldti (Risso, 1826)
lactea paullula, Odostomia lactea paullula Jeffreys, 1867 - syn of: Turbonilla lactea (Linnaeus, 1758)
lacteola, Syrnola lacteola Preston, 1904 - syn of: Styloptygma lacteolum Preston, 1903
lacteolum, Styloptygma lacteolum Preston, 1903
lactoides, Turbonilla lactoides Marshall, 1897 - syn of: Turbonilla magnifica Seguenza, 1880
lacunata, Egila lacunata (Carpenter, 1857)
laetitia, Miralda laetitia (Melvill & Standen, 1903)
laevicostata, Turbonilla laevicostata Sowerby, 1892
laevigata, Odostomia laevigata (D'Orbigny, 1841)
laevigata, Mormulasta laevigata (Laws, 1937) † (FOSSIL)
laevigata, Moesia laevigata Jekelius, 1944 † (FOSSIL)
laevis, Agatha laevis (Angas, 1867)
laevis, Eulimella laevis Brown, 1827 - syn of: Eulimella acicula (Philippi, 1836)
laevissima, Puposyrnola laevissima (Bosquet, 1859) † (FOSSIL)
laevissima, Syrnola laevissima Bosquet, 1859 † - syn of: Puposyrnola laevissima (Bosquet, 1859) † (FOSSIL)
laevissima, Odostomia laevissima Marshall, 1893 - syn of: Ondina divisa (Adams, 1797)
laeviuscula, Pyramidella laeviuscula Wood, 1842 † (FOSSIL)
lafollettei, Pyrgulina lafollettei Peñas & Rolán, 2017
lagoenae, Pyrgulina lagoenae Peñas & Rolán, 2017
lagoenaeformis, Eulimella lagoenaeformis Peñas & Rolán, 2016
lagrandierei, Pyrgulina lagrandierei Saurin, 1959
laicismorum, Odostomia laicismorum Peñas, Rolán & Swinnen, 2014
laminata, Turbonilla laminata (Carpenter, 1864)
laminedentata, Turbonilla laminedentata de Folin & Périer, 1879
lamna, Turbonilla lamna Bartsch, 1917
lamothei, Odostomia lamothei Dautzenberg, 1912 - syn of: Syrnola etiennei (Dautzenberg, 1912)
lamyi, Egilina lamyi (Dautzenberg & Fischer, 1906)
lamyi, Pyrgulina lamyi Dautzenberg, 1912 - syn of: Egilina lamyi (Dautzenberg & Fischer, 1906)
lamyi, Turbonilla lamyi Hedley, 1916
lanassae, Tropaeas lanassae Hornung & Mermod, 1924
lanceata, Syrnola lanceata Peñas, Rolán & Swinnen, 2014
lanceata, Chemnitzia lanceata Stoppani, 1858 † - syn of: Toxoconcha brocchi Stoppani, 1857 † (FOSSIL)
lanceolata, Eulimella lanceolata Peñas & Rolán, 2016
landersi, Turbonilla landersi Peñas & Rolán, 2010
langae, Turbonilla langae (Saurin, 1959)
langhiana, Exesilla langhiana Robba, 2013 † (FOSSIL)
lanotensis, Eulimella lanotensis Lozouet, 1998 † (FOSSIL)
lapazana, Odostomia lapazana Dall & Bartsch, 1909
lapparenti, Odostomia lapparenti Raincourt, 1885 † (FOSSIL)
laquearia, Hinemoa laquearia (Hedley, 1909)
lara, Turbonilla lara Dall & Bartsch, 1909
larga, Eulimella larga Laws, 1938 † (FOSSIL)
larochei, Terelimella larochei (Powell, 1930)
larochei, Terelimella larochei Laws, 1938
larranagai, Turbonilla larranagai Peñas & Rolán, 2010
larunda, Turbonilla larunda Dall & Bartsch, 1909
larvula, Styloptygma larvula Adams, 1863
laseroni, Exesilla laseroni Robba, Di Geronimo, Chaimanee & al., 2004
lastra, Odostomia lastra Dall & Bartsch, 1909
lata, Parthenina interstincta lata Jeffreys & Marshall
lata, Syrnola lata Laseron, 1951
latacosta, Turbonilla latacosta (Laseron, 1959)
lataminuta, Turbonilla lataminuta Peñas & Rolán, 2010
latelirata, Dunkeria latelirata (de Folin, 1879)
latemarginata, Eulimella latemarginata Robba, 2013 † (FOSSIL)
laticingula, Cingulina laticingula (Dall & Bartsch, 1906)
laticingulata, Cingulina laticingulata Dall & Bartsch, 1906 - syn of: Cingulina laticingula (Dall & Bartsch, 1906)
laticonica, Turbonilla laticonica (Nomura, 1936)
laticonica, Chemnitzia laticonica Nomura, 1936 - syn of: Turbonilla laticonica (Nomura, 1936)
latilabri, Turbonilla latilabri Peñas & Rolán, 2010
latocorrugata, Pyrgulina latocorrugata Laws, 1941 † (FOSSIL)
latonae, Tropaeas latonae Hornung & Mermod, 1924
laura, Turbonilla laura Thiele, 1925
laurae, Turbonilla laurae Peñas & Rolán, 2010
laurea, Eulimella laurea Peñas & Rolán, 2016
lauta, Monotygma lauta (Adams, 1853)
lavertinae, Odostomia lavertinae Smith, 1901
lawsi, Tibersyrnola lawsi (Powell, 1934) † (FOSSIL)
lawsi, Turbonilla lawsi (Powell, 1937)
lawsi, Planpyrgiscus lawsi Dell, 1956
lawsi, Besla lawsi Grant-Mackie & Chapman-Smith, 1971 † (FOSSIL)
lawsi, Eulimella lawsi Robba, 2013 † (FOSSIL)
lawsi, Waikura lawsi Robba, 2013 † (FOSSIL)
laxa, Trabecula laxa (Dall & Bartsch, 1909)
laxefuniculata, Hinemoa laxefuniculata Robba, Di Geronimo, Chaimanee & al., 2004
laysanensis, Turbonilla laysanensis Pilsbry, 1918 - syn of: Styloptygma lacteolum Preston, 1903
lazaroensis, Turbonilla lazaroensis Bartsch, 1917
leafensis, Pyramidella leafensis McNeil, 1984 † (FOSSIL)
lecta, Pyrgulina lecta (Dall & Bartsch, 1906)
lectissima, Iolaea lectissima (Dall & Bartsch, 1906)
legoffi, Turbonilla legoffi Peñas & Rolán, 2010
lehouarnoi, Turbonilla lehouarnoi Peñas & Rolán, 2010
lendix, Syrnola lendix (Adams, 1863)
leniterdentata, Turbonilla leniterdentata Peñas & Rolán, 2010
leoni, Chrysallida leoni Fernández-Garcés, Peñas & Rolán, 2011
leopardis, Odostomia leopardis Laseron, 1951
lepidula, Tibersyrnola lepidula (Habe, 1961)
lepidula, Syrnola lepidula Adams, 1860
lepta, Turbonilla lepta Dall & Bartsch, 1909
lepta, Peristichia lepta Pimenta, Santos & Absalão, 2008
leqatai, Turbonilla leqatai Peñas & Rolán, 2010
lerichei, Turbonilla lerichei (Saurin, 1959)
lesuroiti, Odostomia lesuroiti Peñas & Rolán, 1999
leta, Turbonilla leta Bartsch, 1927
letsonae, Odostomia letsonae Pilsbry, 1918 - syn of: Chrystella suta (Pilsbry, 1918)
leuca, Turbonilla leuca Bush, 1899
levamisii, Pyrgulina levamisii Saurin, 1959
leviangulata, Terelimella leviangulata Laws, 1950 † (FOSSIL)
levidensis, Eulimella levidensis Peñas & Rolán, 1997
levilirata, Eulimella levilirata Murdoch & Suter, 1906
leviplex, Hinemoa leviplex Laseron, 1959
levis, Turbonilla levis Adams, 1850
levisculpta, Levipyrgulina levisculpta Robba, 2013 † (FOSSIL)
levisculpturata, Turbonilla levisculpturata Peñas & Rolán, 2010
levislyrata, Turbonilla levislyrata Peñas & Rolán, 2010
levissima, Eulimella levissima de Folin, 1870 - syn of: Cima minima (Jeffreys, 1858)
libidinosa, Costosyrnola libidinosa Saurin, 1959
licina, Odostomia licina Dall & Bartsch, 1909
lictor, Chemnitzia lictor Stoppani, 1858 † - syn of: Toxoconcha brocchi Stoppani, 1857 † (FOSSIL)
ligata, Hinemoa ligata (Angas, 1877)
ligata, Oscilla ligata Angas, 1877 - syn of: Hinemoa ligata (Angas, 1877)
lilingtoniana, Chemnitzia lilingtoniana Laws, 1937
lillingtoniana, Turbonilla lillingtoniana (Laws, 1937)
lillybeckae, Turbonilla lillybeckae Nowell-Usticke, 1969
lilyae, Monotygma lilyae Van Aartsen, Gittenberger & Goud, 1998 - syn of: Leucotina lilyae (Van Aartsen, Gittenberger & Goud, 1998)
limbata, Eulimella limbata (Suter, 1907)
limbaughi, Odostomia limbaughi Hertlein & Allison, 1968 - syn of: Odostomia limhaughi Hertlein & Allison, 1968
limhaughi, Odostomia limhaughi Hertlein & Allison, 1968
limitavi, Quirella limitavi Peñas & Rolán, 2017
limitum, Parthenina limitum (Brusina, 1876)
limpida, Odostomia limpida Dall & Bartsch, 1906
limpidoides, Odostomia limpidoides Nomura, 1938
linearis, Turbonilla linearis (Laseron, 1959)
linearum, Pyramidella linearum Pilsbry & Lowe, 1932
lineata, Linopyrga lineata (Saurin, 1959)
lineata, Chemnitzia lineata (Sowerby) † (FOSSIL)
lineolata, Odostomia lineolata Sandberger, 1857 † (FOSSIL)
linjaica, Turbonilla linjaica Melvill & Standen, 1901
liraecostata, Turbonilla liraecostata (Tenison Woods, 1877) † (FOSSIL)
lirata, Turbonilla lirata (Adams, 1855)
liratula, Turbonilla liratula Turton, 1932
liricincta, Evalea liricincta (Suter, 1908)
lirifera, Odostomia lirifera Newton, 1895 † (FOSSIL)
lischkei, Pyramidella lischkei Dall & Bartsch, 1906 - syn of: Syrnola taeniata (Adams, 1863)
lissa, Eulimella lissa Verrill, 1884
litiopina, Odostomia litiopina Melvill & Standen, 1901
litoris, Odostomia acuta litoris Coen
litosbathron, Triptychus litosbathron Pimenta, Santos & Absalão, 2008
littoralis, Chrysallida littoralis (Adams, 1861)
lituyana, Turbonilla lituyana Dall & Bartsch, 1909
liufaui, Turbonilla liufaui Peñas & Rolán, 2010
livida, Tropaeas livida (Sowerby, 1901)
livida, Eulimella livida Peñas & Rolán, 2016
livida, Sayella livida Rehder, 1935 - syn of: Sayella hemphillii (Dall, 1884)
livida, Tropaeas livida Sowerby, 1901 - syn of: Tropaeas livida (Sowerby, 1901)
loboi, Turbonilla loboi Peñas & Rolán, 2010
locklini, Orinella locklini Bartsch, 1955 † (FOSSIL)
locuples, Mormulasta locuples (Laws, 1937) † (FOSSIL)
locuples, Striodostomia locuples Laws, 1940 † (FOSSIL)
loiclegoffi, Turbonilla loiclegoffi Peñas & Rolán, 2010
lomana, Eulimella lomana (Dall, 1908)
longiaperturata, Syrnola longiaperturata Nomura, 1938
longissima, Chemnitzia longissima Stoppani, 1858 † - syn of: Trypanostylus geographicus Stoppani, 1858 † (FOSSIL)
longiuscula, Eulimella longiuscula Peñas & Rolán, 2016
longiuscula, Syrnola longiuscula Peñas & Rolán, 2016
loomisi, Odostomia loomisi Dall & Bartsch, 1909
lopezyartoi, Turbonilla lopezyartoi Peñas & Rolán, 2010
lordi, Turbonilla lordi Smith, 1880 - syn of: Turbonilla lordii (Smith, 1880)
lordii, Turbonilla lordii (Smith, 1880)
lorellae, Odostomia lorellae Micali, 1987
lorioli, Odostomia lorioli (Hornung & Mermod, 1924)
loripana, Mormula loripana Pilsbry & Olsson, 1941 † (FOSSIL)
louiseae, Turbonilla louiseae Clarke, 1954
loxocephala, Odostomia loxocephala Pilsbry, 1918
lozoueti, Turbonilla lozoueti Peñas & Rolán, 2002
luandensis, Turbonilla luandensis Peñas & Rolán, 1997
lubrica, Odostomia lubrica Verrill & Bush, 1900
lucana, Turbonilla lucana Dall & Bartsch, 1909
lucasana, Odostomia lucasana Dall & Bartsch, 1909
lucida, Chrysallida lucida (Laseron, 1950)
lucina, Turbonilla lucina Nomura, 1938
ludovica, Asmunda ludovica (Thiele, 1925)
lukisii, Odostomia lukisii Jeffreys, 1859
lunulata, Chemnitzia lunulata Stoppani, 1858 † - syn of: Toxoconcha brocchi Stoppani, 1857 † (FOSSIL)
lurida, Syrnola lurida (Suter, 1908)
luscens, Odetta luscens de Folin, 1872
lutea, Odostomia lutea Garrett, 1873
luteomaculosa, Tropaeas luteomaculosa (Nomura, 1938)
luteum, Styloptygma luteum (Garrett, 1873)
lutosa, Syrnola lutosa Marwick, 1931 † (FOSSIL)
lyalli, Turbonilla lyalli Dall & Bartsch, 1907
lydia, Turbonilla lydia Thiele, 1925 - syn of: Nisiturris crystallina (Dall & Bartsch, 1906)
lyngei, Quirella lyngei Robba, Di Geronimo, Chaimanee & al., 2004
mabutii, Odostomia mabutii Nomura, 1938
macaensis, Turbonilla macaensis Pimenta & Absalão, 2001
macandreae, Mormula macandreae Adams, 1870
macandrei, Eulimella macandrei Forbes, 1844 - syn of: Eulimella scillae (Scacchi, 1835)
macbridei, Turbonilla macbridei Dall & Bartsch, 1909
maccoyi, Rissopsetia maccoyi (Tenison-Woods, 1877)
maccullochi, Odostomia maccullochi Hedley, 1909
macella, Syrnola macella Brugnone, 1873 - syn of: Syrnola minuta Adams, 1869
macella, Syrnola macella Saurin, 1962
macies, Turbonilla macies Laws, 1937 † (FOSSIL)
macilenta, Turbonilla macilenta Adams, 1860
macilenta, Odostomia macilenta Monterosato, 1878 - syn of: Ebala striatula (Jeffreys, 1856)
macleayana, Turbonilla macleayana Tenison-Woods, 1876
macouni, Turbonilla macouni Dall & Bartsch, 1910
macphersoni, Pyrgiscus macphersoni (Marwick, 1931) † (FOSSIL)
macra, Turbonilla macra Dall & Bartsch, 1909
macrocephala, Syrnola macrocephala Hedley, 1903
macsotayi, Chemnitzia macsotayi Landau & LaFollette, 2015
maculosa, Pyramidella maculosa Lamarck, 1822
maculosa sulcata, Pyramidella maculosa sulcata Adams in Sowerby, 1854
maculosa tessellata, Pyramidella maculosa tessellata (Adams in Sowerby, 1854)
madeirensis, Odostomia madeirensis Peñas, Rolán & Swinnen, 2014
maderaspatana, Syrnola maderaspatana Melvill & Standen, 1898
madreporica, Costabieta madreporica (Issel, 1869)
madriella, Turbonilla madriella Strong, 1938
madrinensis, Turbonilla madrinensis Lamy, 1905
madrynensis, Turbonilla madrynensis Lamy, 1905 - syn of: Turbonilla madrinensis Lamy, 1905
maestratii, Turbonilla maestratii Pimenta & Absalão, 2004
magdalenensis, Pyramidella magdalenensis Bartsch, 1917
magdalinensis, Turbonilla magdalinensis (Bartsch, 1927)
magis, Herviera magis Laseron, 1959
magister, Turbonilla magister Van Aartsen & Corgan, 1996
magna, Cingulina magna Gatliff & Gabriel, 1910
magna, Eulimella magna Peñas & Rolán, 2016
magnacastanea, Turbonilla magnacastanea Peñas & Rolán, 2010
magnifica, Otopleura auriscati magnifica Adams & Reeve
magnifica, Pyramidella magnifica Adams & Reeve, 1850 - syn of: Otopleura auriscati magnifica (Adams & Reeve, 1850)
magnifica, Turbonilla magnifica Seguenza, 1880
magnumos, Odostomia magnumos Saurin, 1962
magnusdens, Syrnola magnusdens Peñas & Rolán, 2016
magroi, Turbonilla magroi Peñas & Rolán, 2010
mahoenuica, Odostomia mahoenuica Laws, 1939 † (FOSSIL)
maia, Turbonilla maia Bartsch, 1915
maia, Eulimella maia Melvill, 1910
maiae, Pyrgulina maiae (Hornung & Mermod, 1924)
majae, Chrysallida majae Landau & al., 2013 † (FOSSIL)
majestuosa, Noemiamea majestuosa (de Folin, 1872)
major, Turbonilla major (Adams, 1852)
major, Odostomia major Melvill & Standen, 1901
major, Turbonilla major Meyer, 1887 † (FOSSIL)
major, Chrysallida intermixta major Nordsieck
major, Megastomia conspicua major Nordsieck
makaoensis, Turbonilla makaoensis Clessin, 1900
makiyamai, Megastomia makiyamai (Nomura, 1937)
mala, Turbonilla mala (Nomura, 1937)
mala, Chemnitzia mala Nomura, 1937 - syn of: Turbonilla mala (Nomura, 1937)
malabarica, Chrysallida malabarica Harzhauser, 2014 † (FOSSIL)
malaita, Turbonilla malaita Peñas & Rolán, 2010
malakula, Turbonilla malakula Peñas & Rolán, 2010
malaquiasi, Turbonilla malaquiasi Peñas & Rolán, 2010
malulu, Turbonilla malulu Peñas & Rolán, 2010
mammillata, Odostomia mammillata Carpenter, 1857
mamoi, Liostomia mamoi Mifsud, 1993
manaoba, Turbonilla manaoba Peñas & Rolán, 2010
manifesta, Syrnola manifesta Hedley, 1912
manilensis, Syrnola manilensis Böttger, 1896
manoloi, Turbonilla manoloi Peñas & Rolán, 2010
manolorolani, Turbonilla manolorolani Peñas & Rolán, 2010
manonegra, Chrysallida manonegra Peñas & Rolán, 1998
manorae, Pyrgulina manorae Melvill, 1898 - syn of: Turbonilla mumia (Adams, 1861)
manorae, Turbonilla manorae Melvill, 1898 - syn of: Turbonilla mumia (Adams, 1861)
manukauensis, Odostomia manukauensis Laws, 1939
manzakiana, Herviera manzakiana (Yokoyama, 1922)
maoria, Ividella maoria (Powell, 1940)
maoria, Rissopsetia maoria Dell, 1956
maoria, Ividella maoria Powell, 1940 - syn of: Ividella maoria (Powell, 1940)
mara, Odostomia mara Bartsch, 1926
marci, Odostomia marci (Van Aartsen, Gittenberger & Goud, 1998) - syn of: Odetta marci (Van Aartsen, Gittenberger & Goud, 1998)
marci, Odetta marci (Van Aartsen, Gittenberger & Goud, 1998)
marcoi, Linopyrga marcoi Robba, 2013 † (FOSSIL)
margarita, Odostomia margarita Pilsbry, 1918
margaritifera, Linopyrga margaritifera (de Folin & Périer, 1875)
marginalis, Megastomia marginalis (Laws, 1940) † (FOSSIL)
marginata, Odostomia marginata (Adams, 1852)
marginata, Levipyrgulina marginata Laws, 1941 † (FOSSIL)
mariae, Ividella mariae (Bartsch, 1928)
mariae, Turbonilla mariae Tenison-Woods, 1875
mariajoseae, Turbonilla mariajoseae Peñas & Rolán, 2010
mariana, Turbonilla mariana Bartsch, 1917
mariana, Evalea mariana Martin, 1904 † (FOSSIL)
mariella, Egilina mariella (Adams, 1860)
mariellaeformis, Egilina mariellaeformis (Nomura, 1938)
marielloides, Parthenina marielloides (Yokoyama, 1922)
marionae, Longchaeus marionae Bartsch, 1955 - syn of: Longchaeus suturalis (Lea, 1843)
marionae, Odostomia marionae Macgillivray, 1843 - syn of: Onoba semicostata (Montagu, 1803)
marioni, Turbonilla marioni de Folin, 1879 - syn of: Graphis albida (Kanmacher, 1798)
marioni, Stylopsis marioni Locard, 1897
marioni minuscula, Dunkeria marioni minuscula de Folin, 1875 - syn of: Graphis albida (Kanmacher, 1798)
marmorata, Odostomia marmorata Sowerby, 1834 - syn of: Niso marmorata (Sowerby, 1834)
marmorea, Eulimella marmorea Hori & Tsuchida, 1996
marnayae, Turbonilla marnayae Saurin, 1959
marquesensis, Eulimella marquesensis Peñas & Rolán, 2016
marquesensis, Syrnola marquesensis Peñas & Rolán, 2016
marquesensis, Mumiola marquesensis Peñas & Rolán, 2017
marquesensis, Oscilla marquesensis Peñas & Rolán, 2017
marquesensis, Parthenina marquesensis Peñas & Rolán, 2017
marshalli, Turbonilla marshalli Dall & Bartsch, 1909
martae, Parthenina martae Landau & LaFollette, 2015
martae, Turbonilla martae Peñas & Rolán, 1997
martensi, Aartsenia martensi (Dall & Bartsch, 1906)
martensi, Dunkeria martensi Clessin, 1901
martensi, Odostomia martensi Dall & Bartsch, 1906 - syn of: Aartsenia martensi (Dall & Bartsch, 1906)
martha, Turbonilla martha Thiele, 1925
marthinae, Spiralinella marthinae (Nofroni & Schander, 1994)
martinae, Megastomia martinae (Saurin, 1959)
martinensis, Odostomia martinensis Strong, 1938
martinezae, Helodiamea martinezae Peñas & Rolán, 2017
martinezortii, Turbonilla martinezortii Peñas & Rolán, 2010
martini, Pyrgiscus martini Robba, 2013 † (FOSSIL)
marylandica, Syrnola marylandica Martin, 1904 † (FOSSIL)
masamunei, Turbonilla masamunei (Nomura, 1936)
masamunei, Chemnitzia masamunei Nomura, 1936 - syn of: Turbonilla masamunei (Nomura, 1936)
masayana, Turbonilla masayana Hertlein & Strong, 1951
massauensis, Syrnola massauensis (Linnaeus, 1758)
massui, Pyrgiscus massui (Saurin, 1959)
mataderorum, Turbonilla mataderorum Peñas & Rolán, 2010
materna, Nisiturris materna Melvill, 1912
matsunamiensis, Pyrgiscus matsunamiensis (Otuka, 1935)
matsushimensis, Turbonilla matsushimensis Nomura, 1936
matsusimana, Odostomia matsusimana Nomura, 1936
matteoi, Menesthella matteoi Robba, 2013 † (FOSSIL)
matunamiensis, Turbonilla matunamiensis Otuka, 1935
matusimana, Odostomia matusimana Nomura, 1936
matusimensis, Turbonilla matusimensis Nomura, 1936
mauritanica, Parthenina mauritanica (Peñas & Rolán, 1998)
mauritiana, Odostomia mauritiana Dall & Bartsch, 1906
mayana, Turbonilla mayana Baker, Hanna & Strong, 1928
mayii, Chrysallida mayii (Tate, 1898)
mazatlanica, Pyramidella mazatlanica Dall & Bartsch, 1909
mcguirei, Turbonilla mcguirei Strong & Hertlein, 1939
mcmillanae, Chrysallida mcmillanae Van Aartsen, Gittenberger & Goud, 2000
meanguerensis, Turbonilla meanguerensis Hertlein & Strong, 1951
media, Eulimella media (Hutton, 1885) † (FOSSIL)
medialuna, Chrysallida medialuna Faber, 2008
mediocris, Turbonilla mediocris Peñas & Rolán, 1999
megacheilos, Mumiola megacheilos (de Folin, 1878)
megacheilos, Noemiamea megacheilos de Folin, 1878 - syn of: Mumiola megacheilos (de Folin, 1878)
megascymna, Turbonilla megascymna Absalão, Dos Santos & Tenório, 2003
megembryon, Chrysallida megembryon Saurin, 1958
megerlei, Odostomia megerlei (Locard, 1886)
meijeri, Odostomia meijeri Van Aartsen, Gittenberger & Goud, 1998
mekranica, Syrnola mekranica Melvill & Standen, 1901
melanoides, Chrysallida melanoides (Conrad, 1830) † (FOSSIL)
melanoides, Monotygma melanoides Lea, 1833 - syn of: Fissilabia decollata (Quoy & Gaimard, 1833)
melea, Turbonilla melea Bartsch, 1927
melitta, Odostomia melitta Bartsch, 1924
mellianensis, Miralda mellianensis Lozouet, 1998 † (FOSSIL)
melvilli, Turbonilla melvilli (Dautzenberg, 1912)
melvilli, Pyrgulina melvilli Dautzenberg & Fischer, 1906
melvilli, Nisiturris melvilli Dautzenberg, 1912 - syn of: Turbonilla melvilli (Dautzenberg, 1912)
menadensis, Longchaeus menadensis (Schepman, 1907) † (FOSSIL)
menda, Syrnola menda Finlay, 1926
mendana, Turbonilla mendana Peñas & Rolán, 2010
mendozae, Ividella mendozae (Baker, Hanna & Strong, 1928)
menkhorsti, Chrysallida menkhorsti Van Aartsen, Gittenberger & Goud, 2000
menoui, Turbonilla menoui Peñas & Rolán, 2010
mera, Odostomia mera Laseron, 1959
mercedesae, Turbonilla mercedesae Peñas & Rolán, 2010
mercedordae, Sayella mercedordae Peñas & Rolán, 1997
merignacensis, Monotygma merignacensis (Cossmann & Peyrot, 1917) † (FOSSIL)
mermeroglaphyra, Turbonilla mermeroglaphyra Absalão, Dos Santos & Tenório, 2003
mersa, Eulimella mersa Peñas & Rolán, 2016
mesomorpha, Odostomia mesomorpha Schander, 1994
messanensis, Auriculina messanensis Granata Grillo, 1877 - syn of: Ondina divisa (Adams, 1797)
mestayerae, Eulimella mestayerae (Marwick, 1931) † (FOSSIL)
meta, Parthenina meta (Dall & Bartsch, 1906)
metata, Odostomella metata (Hedley, 1907)
metayei, Megastomia metayei (Saurin, 1959)
metcalfei, Odostomia metcalfei Pritchard & Gatliff, 1900
metria, Syrnola metria Melvill, 1896
metula, Chrysallida metula Adams, 1860
metulina, Turbonilla metulina Adams, 1860
mexicana, Pyramidella mexicana Dall & Bartsch, 1909
meyeri, Pyramidella meyeri Cossmann, 1893 † (FOSSIL)
micalii, Sayella micalii Peñas & Rolán, 1997 - syn of: Pyramidella dolabrata (Linnaeus, 1758)
micalii, Tiberia micalii Peñas & Rolán, 1997 - syn of: Pyramidella dolabrata (Linnaeus, 1758)
micalii, Turbonilla micalii Peñas & Rolán, 2010
micalii, Pyrgulina micalii Robba, 2013 † (FOSSIL)
micans, Turbonilla micans (Monterosato, 1875)
michaelae, Ondina michaelae Cachia & Mifsud, 2015
michaeli, Syrnola michaeli Tenison-Woods, 1877
michaelis, Turbonilla michaelis Melvill, 1910
micra, Eulimella micra Peñas & Rolán, 2016
micrembryon, Puposyrnola micrembryon Saurin, 1959
microcheilos, Turbonilla microcheilos de Folin & Périer, 1879
microeques, Odostomia microeques Rolán & Templado, 1999
microlinea, Odostomia microlinea Laseron, 1951
micrometrica, Odostomia micrometrica Peñas & Rolán, 1999
micronana, Chrysallida micronana Öztürk & Van Aartsen, 2006
microperforata, Iphiana microperforata Peñas & Rolán, 2016
microperone, Turbonilla microperone Melvill, 1904
microscopica, Turbonilla mumia microscopica Adams
microscopica, Pyrgiscus microscopica Laseron, 1959 - syn of: Turbonilla mumia microscopica (Adams, 1861)
microsculpta, Parthenina microsculpta Peñas & Rolán, 2017
microstriae, Herewardia microstriae Peñas & Rolán, 2017
microstriata, Bouchetmella microstriata Peñas & Rolán, 2016
microstriata, Pyrgulina microstriata Peñas & Rolán, 2017
midas, Turbonilla midas Pimenta & Absalão, 2004
middendorffi, Turbonilla middendorffi Bartsch, 1927
mieuina, Besla mieuina (Saurin, 1959)
mighelsi, Turbonilla mighelsi Bartsch, 1909
migma, Hinemoa migma (Hedley, 1909)
miguelgomezi, Turbonilla miguelgomezi Peñas & Rolán, 2010
migueloi, Turbonilla migueloi Peñas & Rolán, 2010
milicha, Pyrgulina milicha Melvill, 1910
minamotoi, Siogamaia minamotoi Nomura, 1936
minima, Odostomia minima Jeffreys, 1858 - syn of: Cima minima (Jeffreys, 1858)
minima, Eulimella minima Peñas & Rolán, 2016
minimalicii, Pyrgulina minimalicii Peñas & Rolán, 2017
minimelata, Pyrgulina minimelata Peñas & Rolán, 2017
miniovalis, Pyrgulina miniovalis Peñas & Rolán, 2017
minisudis, Eulimella minisudis Peñas & Rolán, 2016
minisutura, Eulimella minisutura Peñas & Rolán, 2016
minna, Chrysallida minna Adams, 1860
minor, Turbonilla minor Bush, 1899 - syn of: Turbonilla coomansi Van Aartsen, 1994
minor, Gumina minor Laws, 1940
minor, Chrysallida emaciata minor Nordsieck
minor, Odostomia acuta minor Nordsieck
minor, Bouchetmella minor Peñas & Rolán, 2016
minor, Syrnola minor Smith, 1904
minormirabilis, Odostomia minormirabilis Peñas, Rolán & Swinnen, 2014
minuera, Chrysallida minuera (Gründel, 1998) † (FOSSIL)
minuscoronata, Pyrgulina minuscoronata Peñas & Rolán, 2017
minuscula, Tiberia minuscula (Monterosato, 1880)
minuscula, Turbonilla pusilla minuscula Marshall
minuscula curtissima, Tiberia minuscula curtissima Locard
minusculoides, Tiberia minusculoides Van Aartsen, Gittenberger & Goud, 1998 - syn of: Tiberia minuscula (Monterosato, 1880)
minusgradata, Syrnola minusgradata Peñas & Rolán, 2016
minusnodosa, Miralda minusnodosa Peñas & Rolán, 2017
minuta, Syrnola minuta Adams, 1869
minuta, Liamorpha minuta Robba, 2013 † (FOSSIL)
minutiovum, Brachystomia minutiovum (Nomura, 1936)
minutissima, Chrysallida minutissima (Dautzenberg & Fischer, 1906)
minutissima, Odostomia minutissima Dall & Bartsch, 1909
minutissima, Liostomia minutissima Golikov, 1967
minutissima, Chrysallida minutissima Peñas & Rolán, 1998 - syn of: Chrysallida carpinei Van Aartsen, Gittenberger & Goud, 2000
minutissima, Pseudorissoina minutissima Tenison-Woods, 1878 - syn of: Pseudorissoina perexigua (Tate & May, 1900)
miocaenica, Pseudoscilla miocaenica Böttger, 1901
miocenica, Iolaea miocenica Landau & LaFollette, 2015
miona, Turbonilla miona Bartsch, 1927
mioperplicata, Pyrgolampros mioperplicata Sacco, 1892
mioperplicatulus, Turbonilla mioperplicatulus Sacco, 1892
mira, Turbonilla mira (Nomura, 1937)
mira, Iphiana mira (Yokoyama, 1922)
mira, Chemnitzia mira Nomura, 1937 - syn of: Turbonilla mira (Nomura, 1937)
mirabilis, Oscilla mirabilis (Preston, 1905)
miranda, Chrysallida miranda Adams, 1861
mirandus, Pyrgiscus mirandus Saurin, 1959 - syn of: Babella funiculata Saurin, 1962
mirationis, Chrysallida mirationis (Laseron, 1959)
mirifica, Turbonilla mirifica Pallary, 1904
mirifica, Quirella mirifica Peñas & Rolán, 2017
mirifica major, Turbonilla mirifica major Adams, 1852 - syn of: Turbonilla major (Adams, 1852)
misakiensis, Marginodostomia misakiensis (Nomura, 1939)
misakiensis, Odostomia misakiensis Nomura, 1939 - syn of: Marginodostomia misakiensis (Nomura, 1939)
misella, Ptycheulimella misella (Yokoyama, 1922)
missile, Puposyrnola missile Laws, 1937
mitchelliana, Mormula mitchelliana Aldrich, 1911 † (FOSSIL)
mitis, Turbonilla mitis (Laws, 1937)
mitis, Pyrgulina mitis Coen, 1933 - syn of: Parthenina terebellum (Philippi, 1844)
mitis, Eulimella mitis Jung, 1969 † (FOSSIL)
mitralis, Otopleura mitralis (Adams, 1855)
miuraensis, Megastomia miuraensis (Nomura, 1937)
miurana, Turbonilla miurana Nomura, 1937
miyagiana, Brachystomia miyagiana (Nomura, 1936)
miyagiensis, Pyrgiscilla miyagiensis Nomura, 1936 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
miyagiensis, Turbonilla miyagiensis Nomura, 1936 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
miyakoensis, Pyrgiscus miyakoensis (Nomura, 1939)
modesta, Careliopsis modesta (de Folin, 1870)
modesta, Turbonilla modesta (D'Orbigny, 1841)
modesta, Monotygma modesta de Folin, 1870 - syn of: Careliopsis modesta (de Folin, 1870)
modesta, Odostomia modesta Deshayes, 1861 † (FOSSIL)
modica, Syrnola modica (Sowerby, 1865)
modica, Turbonilla modica Adams, 1860
modiola, Ondina modiola (Monterosato, 1884)
moffati, Pyramidella moffati Dall & Bartsch, 1906
molini, Turbonilla molini Peñas & Rolán, 2010
mollita, Turbonilla mollita (Nomura, 1937)
mollita, Chemnitzia mollita Nomura, 1937 - syn of: Turbonilla mollita (Nomura, 1937)
monaulax, Odostomia monaulax Pilsbry, 1918 - syn of: Odostomia stearnsiella Pilsbry, 1918
mongga, Turbonilla mongga Peñas & Rolán, 2010
monicae, Parthenina monicae (Saurin, 1958)
monicae, Pyrgulina monicae Saurin, 1958 - syn of: Parthenina monicae (Saurin, 1958)
monilifera, Turbonilla monilifera Dall & Bartsch, 1909
moniliformis, Eulimella moniliformis Hedley & Musson, 1891 - syn of: Koloonella moniliformis (Hedley & Musson, 1891)
monocycla, Turbonilla monocycla Adams, 1860 - syn of: Parthenina pagodula (Adams, 1860)
monodon, Odostomia monodon (Réquien, 1848)
monolirata, Ebalina monolirata (de Folin, 1873)
monolirata, Eulimella monolirata de Folin, 1874 - syn of: Eulimella perturbata Peñas, Rolán & Swinnen, 2014
monozona, Chrysallida monozona (Brusina, 1869)
monozona, Chrysallida monozona Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Parthenina dollfusi (Kobelt, 1903)
monstrosa, Terelimella monstrosa Laws, 1950 † (FOSSIL)
montbruni, Pyrgulina montbruni Saurin, 1959
monteiroi, Syrnola monteiroi Peñas & Rolán, 2016
monterosati, Auriculina monterosati Granata Grillo, 1877 - syn of: Ondina exilissima (Brusina, 1866)
monterosatii, Parthenina monterosatii (Clessin, 1900)
monterosatii rejecta, Parthenina monterosatii rejecta Coen, 1937
monterosatoi, Kejdonia monterosatoi (Sacco, 1892) † (FOSSIL)
monterosatoi, Odostomia monterosatoi Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Odostomia striolata Forbes & Hanley, 1850
monterosatoi, Ondina monterosatoi Granata Grillo, 1877
monterosatoi, Saccoina monterosatoi Sacco, 1892 † - syn of: Kejdonia monterosatoi (Sacco, 1892) † (FOSSIL)
montforti, Nesiodostomia montforti (Corgan, 1972)
montforti, Trabecula montforti Corgan, 1972 - syn of: Nesiodostomia montforti (Corgan, 1972)
montoyai, Turbonilla montoyai Peñas & Rolán, 2010
montserratae, Turbonilla montserratae Peñas & Rolán, 2010
montuosa, Miralda montuosa Laseron, 1951
moolenbeeki, Chrysallida moolenbeeki Amati, 1987
moolenbeeki, Folinella moolenbeeki Van Aartsen, Gittenberger & Goud, 1998
moorei, Turbonilla moorei Laws, 1937
moratora, Odostomia moratora Dall & Bartsch, 1909
morchi, Turbonilla morchi Dall & Bartsch, 1907
morenoi, Turbonilla morenoi Peñas & Rolán, 2010
morioria, Siogamaia morioria Laws, 1941
morisyuichiroi, Charilda morisyuichiroi Habe, 1968 - syn of: Bacula morisyuichiroi (Habe, 1968)
morleti, Moerchia morleti P. Fischer, 1877
mormuloides, Turbonilla mormuloides (Nomura, 1936)
mormuloides, Pyrgiscilla mormuloides Nomura, 1936 - syn of: Turbonilla mormuloides (Nomura, 1936)
morsei, Turbonilla morsei Yokoyama, 1926 - syn of: Acirsa morsei (Yokoyama, 1926)
mossiana, Syrnola mossiana Melvill & Standen, 1895 - syn of: Styloptygma luteum (Garrett, 1873)
mosti, Ondina mosti Van Aartsen, Gittenberger & Goud, 1998
moulinsiana, Odostomia moulinsiana Fischer, 1864 - syn of: Parthenina terebellum (Philippi, 1844)
mourazimana zinboi, Pyrgiscus mourazimana zinboi Nomura, 1936 - syn of: Pyrgiscus zinboi (Nomura, 1936)
mourazimanus, Pyrgiscus mourazimanus Nomura, 1938
movilla, Odostomia movilla Dall & Bartsch, 1909
muelleri, Odostomia muelleri Clessin, 1900
muelleri, Turbonilla muelleri Maltzan, 1885
muinaiensis, Spiralinella muinaiensis Saurin, 1962
muinamensis, Pyrgulina muinamensis Saurin, 1959
mulderi, Turbonilla mulderi Chapman, Crispin & Keble, 1928
multicostata, Turbonilla multicostata (Adams, 1850)
multicostata, Parthenina multicostata (Jeffreys, 1884)
multicostata, Chrysallida multicostata (Laseron, 1959)
multifuniculi, Oscilla multifuniculi Peñas & Rolán, 2017
multigyrata, Turbonilla candida multigyrata Adams
multilirata, Turbonilla multilirata (Monterosato, 1875)
multinodosa, Pyrgulina multinodosa Peñas & Rolán, 2017
multistriata, Turbonilla multistriata Turton, 1932
multituberculata, Chrysallida multituberculata (De Castellanos, 1982)
multituberculata, Odostomia multituberculata De Castellanos, 1982 - syn of: Chrysallida multituberculata (De Castellanos, 1982)
multitudinalis, Afroturbonilla multitudinalis Peñas & Rolán, 2002
mumia, Turbonilla mumia (Adams, 1861)
mumia, Chemnitzia mumia Stoppani, 1858 † - syn of: Coelochrysalis megaspira (Stoppani, 1857) † (FOSSIL)
mumia microscopica, Turbonilla mumia microscopica (Adams, 1861)
munda, Turbonilla munda Adams, 1860
mundula, Pyrgulina mundula (Adams, 1861)
murdochi, Odostomia murdochi Suter, 1913
muricata, Turbonilla muricata (Carpenter, 1857)
muricatoides, Turbonilla muricatoides Dall & Bartsch, 1907
murilloi, Turbonilla murilloi Peñas & Rolán, 2010
musculosa, Pyramidella musculosa Lamarck, 1816 - syn of: Pyramidella maculosa Lamarck, 1822
musorstom, Turbonilla musorstom Peñas & Rolán, 2010
mussandamica, Syrnola mussandamica Melvill & Standen, 1903
mutabilis, Syrnola mutabilis Peñas & Rolán, 2016
mutata, Kongsrudia mutata (Dautzenberg, 1913)
mutata, Pyrgulina mutata Dautzenberg, 1913 - syn of: Kongsrudia mutata (Dautzenberg, 1913)
mutinensis, Cyclodostomia mutinensis Sacco, 1892 - syn of: Odostomia italiana (Corgan & Van Aartsen, 1998)
mutuensis, Oscilla mutuensis (Nomura, 1938)
mutuwanensis, Cingulina mutuwanensis Nomura, 1938
myia, Turbonilla myia Bartsch, 1927
myosotis, Odostomia myosotis Brugnone, 1884
myrnae, Mumiola myrnae Poppe, Tagaro & Stahlschmidt, 2015
nagarinus, Pyrgiscus nagarinus Saurin, 1959
nagli, Odostomia nagli Brusina, 1865 - syn of: Megastomia conoidea (Brocchi, 1814)
nahuana, Turbonilla nahuana Baker, Hanna & Strong, 1928
nahuatliana, Turbonilla nahuatliana Hertlein & Strong, 1951
nakayamai, Turriodostomia nakayamai (Habe, 1961)
namensis, Siogamaia namensis (Corgan & Van Aartsen, 1998)
namensis, Siogamia namensis Corgan & Van Aartsen, 1998 - syn of: Siogamaia namensis (Corgan & Van Aartsen, 1998)
namoi, Odostomia namoi Mifsud, 1993
nana, Turbonilla nana (Laseron, 1959)
nana, Odostomia nana Adams, 1860
nana, Pyrgulina nana Hornung & Mermod, 1924
nana, Eulimella nana Locard, 1897 - syn of: Eulimella digenes (Dautzenberg & Fischer, 1896)
nana, Chemnitzia nana Stoppani, 1857 † - syn of: Omphaloptycha pupoides (Stoppani, 1857) † (FOSSIL)
nanggulanica, Pyramidella nanggulanica Finlay, 1927 † (FOSSIL)
nanodea, Parthenina juliae nanodea Monterosato
nanodea, Pyrgulina nanodea Monterosato, 1878 - syn of: Parthenina juliae nanodea (Monterosato, 1878)
nanseni, Turbonilla nanseni Lygre, Kongsrud & Schander, 2011
nardoi, Odostomia nardoi Brusina, 1869
nardoi pallidoides, Odostomia nardoi pallidoides Nordsieck, 1972
nata, Turbonilla nata Nomura, 1938
natalensis, Tropaeas natalensis Smith, 1906
natales, Turbonilla natales Laws, 1937 † (FOSSIL)
natata, Odostomia natata Peñas & Rolán, 1999
naticoides, Chemnitzia naticoides Hudleston † (FOSSIL)
natukoae, Odostomia natukoae Nomura, 1938
navarettei, Odostomia navarettei Baker, Hanna & Strong, 1928
navella, Tiberia navella Van Aartsen & Corgan, 1996
navisa, Ividella navisa (Dall & Bartsch, 1907)
navisa, Odostomia navisa Dall & Bartsch, 1907 - syn of: Ividella navisa (Dall & Bartsch, 1907)
neglecta, Syrnola neglecta Saurin, 1959
neglecta, Odostomia neglecta Tiberi, 1868 - syn of: Ondina vitrea (Brusina, 1866)
nema, Turbonilla nema Bartsch, 1927
nemea, Strioturbonilla nemea Bartsch, 1927
nemo, Odostomia nemo Dall & Bartsch, 1909
neoattenuata, Eulimella neoattenuata Gaglini, 1992
neocaledonica, Turbonilla neocaledonica Peñas & Rolán, 2010
neocrystallina, Ondina neocrystallina Gaglini, 1991
neoexigua, Megastomia neoexigua (Nomura, 1937)
neofelix, Iolaea neofelix (Yokoyama, 1922)
neofelixoides, Iolaea neofelixoides (Nomura, 1936)
neofelixoides, Kleinella neofelixoides Nomura, 1936 - syn of: Iolaea neofelixoides (Nomura, 1936)
neogila, Turbonilla neogila Melvill, 1910
neozelanica, Sinuatodostomia neozelanica Laws, 1940 † (FOSSIL)
nereia, Turbonilla nereia Dall & Bartsch, 1909
nesiotes, Turbonilla nesiotes Pimenta & Absalão, 1998
nevilli, Chrysallida nevilli (de Folin & Périer, 1879)
newcombei, Turbonilla newcombei Dall & Bartsch, 1907
ngani, Tiberia ngani Saurin, 1959
ngatapa, Costosyrnola ngatapa (Marwick, 1931) † (FOSSIL)
ngatutura, Turbonilla ngatutura (Laws, 1940) † (FOSSIL)
nhatrangensis, Megastomia nhatrangensis (Saurin, 1959)
nhatrangensis, Megastomia nhatrangensis Saurin, 1959 - syn of: Megastomia nhatrangensis (Saurin, 1959)
nicaraguana, Turbonilla nicaraguana Hertlein & Strong, 1951
nicarasana, Turbonilla nicarasana Hertlein & Strong, 1951
nicholsi, Turbonilla nicholsi Dall & Bartsch, 1909
nicobarica, Turbonilla nicobarica Thiele, 1925
nicoyana, Odostomia nicoyana Hertlein & Strong, 1951
nigraerupis, Pyrgulina nigraerupis Saurin, 1959
nigricolor, Turbonilla nigricolor (Nomura, 1936)
nigricolor, Chemnitzia nigricolor Nomura, 1936 - syn of: Turbonilla nigricolor (Nomura, 1936)
nihilfere, Turbonilla nihilfere Peñas & Rolán, 2010
nihona, Pyrgiscus nihona Otuka, 1935 - syn of: Turbonilla infantula Dall & Bartsch, 1906
niitakayama, Miralda niitakayama Nomura, 1938
ninettae, Pyrgiscus ninettae Van Aartsen & Corgan, 1996
ninona, Turbonilla ninona Laseron, 1959
nioba, Chrysallida nioba (Dall & Bartsch, 1911)
nippona, Turbonilla nippona (Nomura, 1936)
nippona, Chemnitzia nippona Nomura, 1936 - syn of: Turbonilla nippona (Nomura, 1936)
nishiana, Miralda nishiana Yokoyama, 1927
nisitugaruensis, Pyrgulina nisitugaruensis (Nomura & Hatai, 1940)
nisiyamai, Turbonilla nisiyamai Nomura, 1938
nisoides, Odostomia nisoides Brugnone, 1873 - syn of: Eulimella scillae (Scacchi, 1835)
nitens, Doliella nitens (Jeffreys, 1870)
nitens, Odostomia nitens Jeffreys, 1870 - syn of: Doliella nitens (Jeffreys, 1870)
nitida, Otopleura nitida (Adams, 1854)
nitida, Turbonilla nitida Adams, 1860
nitida, Odostomia nitida Alder, 1844 - syn of: Brachystomia scalaris (Macgillivray, 1843)
nitidissima, Costosyrnola nitidissima (Issel, 1869)
nitidissima, Chemnitzia nitidissima Montagu, 1803 - syn of: Ebala nitidissima (Montagu, 1803)
nitidissima, Eulimella nitidissima Montagu, 1803 - syn of: Ebala nitidissima (Montagu, 1803)
nitidissima pura, Odostomia nitidissima pura Monterosato, 1874 - syn of: Ebala pointeli (de Folin, 1868)
nitidula, Tiberia nitidula (Adams, 1860)
nivea, Turbonilla nivea (Stimpson, 1851)
nivea, Odostomia nivea Adams, 1860
nivea, Eulimella nivea Smith, 1904 - syn of: Syrnola aganea (Bartsch, 1915)
niveus, Triptychus niveus (Mörch, 1875)
nivosa, Chrysallida nivosa (Montagu, 1803) - syn of: Jordaniella nivosa (Montagu, 1803)
nivosa, Jordaniella nivosa (Montagu, 1803)
nodai, Turbonilla nodai Robba, Di Geronimo, Chaimanee & al., 2004
nodicincta, Otopleura nodicincta (Adams, 1854)
nodosa, Exesilla nodosa (Martin, 1884) † (FOSSIL)
nodosa, Odostomia nodosa Carpenter, 1857
nodoscalare, Turbonilla nodoscalare Peñas & Rolán, 2010
nodulosa, Turbonilla nodulosa (Laseron, 1959)
nodulyrata, Turbonilla nodulyrata Peñas & Rolán, 2010
nofronii, Auristomia nofronii (Buzzurro, 2002)
nofronii, Odostomia nofronii Buzzurro, 2002 - syn of: Auristomia nofronii (Buzzurro, 2002)
nofronii, Turbonilla nofronii Peñas & Rolán, 1997
nomurai, Menestho nomurai Chinzei, 1959
nomurai, Turbonilla nomurai Nomura, 1938
nomurai, Sinuatodostomia nomurai Van Aartsen & Corgan, 1996
nona, Eulimella nona Peñas & Rolán, 2016
nonica, Turbonilla nonica Bartsch, 1927
nonmata, Turbonilla nonmata Nomura, 1936
nonnota, Turbonilla nonnota (Nomura, 1936)
nonnota, Chemnitzia nonnota Nomura, 1936 - syn of: Turbonilla nonnota (Nomura, 1936)
nordmanni, Kleinella nordmanni Sorgenfrei, 1958 † (FOSSIL)
normalis, Turbonilla normalis Corgan & Van Aartsen, 1998
normani, Ondina normani (Friele, 1886)
norna, Syrnola norna Bartsch, 1915
nota, Odostomia nota Dall & Bartsch, 1909
notabilis, Ividella notabilis (Adams, 1852)
notata, Odostomia ambigua notata Jeffreys
notialis, Oscilla notialis Pimenta, Santos & Absalão, 2008
notilla, Odostomia notilla Dall & Bartsch, 1909
nova, Odostomia nova De Castellanos, 1982
novacaledonica, Eulimella novacaledonica Peñas & Rolán, 2016
novegradensis, Odostomia ambigua novegradensis Brusina
novegradensis, Odostomia novegradensis Brusina, 1865 - syn of: Odostomia ambigua novegradensis Brusina, 1865
noviportus, Pyrgulina noviportus Saurin, 1962
nuciformis, Odostomia nuciformis Carpenter, 1864
nugatoria, Linopyrga nugatoria (Hedley, 1903)
nukumaruensis, Rissopsetia nukumaruensis (Laws, 1940) † (FOSSIL)
nullusdens, Parthenina nullusdens Peñas & Rolán, 2017
nunivakensis, Odostomia nunivakensis Dall & Bartsch, 1909
nuptialis, Odostomella nuptialis Thiele, 1925
nuttalli, Turbonilla nuttalli Dall & Bartsch, 1909
nuttalli, Odostomia nuttalli Van Aartsen & Wesselingh, 2000 † (FOSSIL)
nuttingi, Turbonilla nuttingi Dall & Bartsch, 1909
nychia, Turbonilla nychia Bartsch, 1924
oamarua, Turbonilla oamarua Laws, 1937 † (FOSSIL)
oaxacana, Turbonilla oaxacana Hertlein & Strong, 1951
obeliscus, Turbonilla obeliscus (Adams, 1850)
obeliscus, Syrnola obeliscus (Garrett, 1873)
obeliscus, Chemnitzia obeliscus Scalia, 1903 † - syn of: Pseudocerithium obeliscus (Scalia, 1903) † (FOSSIL)
obeliscus, Chemnitzia obeliscus Stoppani, 1857 † - syn of: Omphaloptycha breislaki (Stoppani, 1857) † (FOSSIL)
obesa, Chrysallida obesa (Dautzenberg, 1912)
obesa, Turbonilla obesa Dall & Bartsch, 1909
obesa, Agatha obesa Peñas & Rolán, 2016
obesula, Odostomia obesula Adams, 1860
oblectamentum, Turbonilla oblectamentum Pilsbry, 1918 - syn of: Turbonilla lirata (Adams, 1855)
obliqua, Ondina obliqua (Alder, 1844)
obliqua, Nisiturris obliqua (Saurin, 1959)
obliqua, Contraxiala obliqua Laseron, 1956
obliqua, Chemnitzia obliqua Saurin, 1959 - syn of: Nisiturris obliqua (Saurin, 1959)
obliquastructionis, Nisiturris obliquastructionis (Peñas & Rolán, 2010)
obliquata, Turbonilla obliquata (Philippi, 1844)
obliquata azorensis, Turbonilla obliquata azorensis Nordsieck, 1972
obliqueata, Chemnitzia obliqueata Garvie, 2013 † (FOSSIL)
obliquecostata, Turbonilla obliquecostata Dautzenberg, 1913 - syn of: Turbonilla subulina Monterosato, 1889
obliquecostata, Nisiturris obliquecostata Robba, 2013 † (FOSSIL)
obliquisculpta, Chrysallida obliquisculpta (Seguenza, 1879) † (FOSSIL)
obliquissima, Numaegilina obliquissima Saurin, 1959
oblongella, Odostomia oblongella Corgan, 1970
oblongula, Odostomia oblongula Marshall, 1895
obscura, Eulimella obscura Yokoyama, 1922
obsoleta, Turbonilla obsoleta (Carpenter, 1857)
obsoleta, Evalea obsoleta (Murdoch, 1900) † (FOSSIL)
obstinata, Odostomia obstinata Laws, 1939
obtusa, Oscilla obtusa (Gould, 1861)
obtusa, Chrysallida obtusa Brown, 1827 - syn of: Parthenina interstincta (Adams, 1797)
obtusantis, Oscilla obtusantis Saurin, 1962
obvoluta, Moerchia obvoluta Adams, 1860
occidentalis, Brachystomia occidentalis (Gougerot, 1981) † (FOSSIL)
occidentalis, Eulimella occidentalis Hemphill, 1894 - syn of: Murchisonella occidentalis (Hemphill, 1894)
occultidens, Odostomia occultidens May, 1915
oceanica, Turbonilla oceanica Oliver, 1915
octaviana, Pyramidella octaviana Di Geronimo, 1973 - syn of: Tiberia minuscula (Monterosato, 1880)
octona, Turbonilla octona Guppy, 1896 - syn of: Bacteridium resticulum (Dall, 1889)
odostomella, Odostomia odostomella Peñas & Rolán, 1999
odostomoides, Siogamaia odostomoides Nomura, 1937
oenoa, Turbonilla oenoa Bartsch, 1924
ogasaensis, Oscilla ogasaensis (Nomura, 1939)
ogasawarazimana, Milda ogasawarazimana (Nomura, 1939)
ogasawarazimana, Pyramidella ogasawarazimana Nomura, 1939 - syn of: Milda ogasawarazimana (Nomura, 1939)
okamkurai, Odostomia okamkurai Habe, 1971
okamurai, Boonea okamurai Hori & Okutani, 1996
oligopleura, Turbonilla oligopleura Melvill, 1910
olivellai, Turbonilla olivellai Moreno, Peñas & Rolán, 2003
oliveri, Eulimella oliveri Peñas & Rolán, 2006
oliverioi, Turbonilla oliverioi Peñas & Rolán, 1997
olssoni, Longchaeus olssoni (Maury, 1917) † (FOSSIL)
olssoni, Odostomia olssoni Bartsch, 1924
omaensis, Brachystomia omaensis (Nomura, 1938)
omphaloessa, Odostomia omphaloessa Watson, 1897
omphloessa, Odostomia omphloessa Watson, 1897 - syn of: Odostomia omphaloessa Watson, 1897
onagawaense, Styloptygma onagawaense (Nomura, 1938)
ongcopensis, Oscilla ongcopensis Saurin, 1962
onzikuensis, Paracingulina onzikuensis (Nomura, 1938)
oodes, Pyrgulina oodes (Watson, 1886)
oonisca, Odostomia oonisca Dall & Bartsch, 1909
opaca, Odostomella opaca (Hedley, 1906)
opaca, Eulimella opaca Adams, 1861
opaca, Chrysallida opaca Hedley, 1906 - syn of: Odostomella opaca (Hedley, 1906)
opalina, Eulimella opalina Adams, 1861
opephora, Miralda opephora Melvill, 1898
opimasculpta, Pyrgulina opimasculpta Peñas & Rolán, 2017
opisthecostae, Parthenina opisthecostae Peñas & Rolán, 2017
opisthocostae, Turbonilla opisthocostae Peñas & Rolán, 2010
oppenheimi, Odostomia oppenheimi Cossmann, 1903 † (FOSSIL)
optapa, Odostomia optapa Yokoyama, 1920
optata, Odostomia optata Yokoyama, 1920
optimus, Pyrgiscus optimus (Nomura, 1936)
optiva, Pyrgiscilla optiva Nomura, 1937 - syn of: Pyrgiscus optivus (Nomura, 1937)
optivus, Pyrgiscus optivus (Nomura, 1937)
ora, Chrysallida ora (Laseron, 1959)
orariana, Ividella orariana Dall & Bartsch, 1909 - syn of: Ividella notabilis (Adams, 1852)
orbis, Cyclostremella orbis (Carpenter, 1857)
ordita, Chrysallida ordita Coen, 1937 - syn of: Trabecula jeffreysiana (Monterosato, 1884)
oreades, Linopyrga oreades (Laseron, 1959)
oregonensis, Odostomia oregonensis Dall & Bartsch, 1907
orewa, Striodostomia orewa Laws, 1940
orientalis, Parthenina orientalis (Nomura, 1936)
orientica, Turbonilla orientica Corgan, 1970
ornata, Turbonilla ornata (D'Orbigny, 1840)
ornata, Colsyrnola ornata (Gould, 1861)
ornata, Nodostoma ornata (Wood, 1848) † (FOSSIL)
ornata, Pyramidella ornata Gould, 1861 - syn of: Colsyrnola ornata (Gould, 1861)
ornatissima, Odostomia ornatissima (Haas, 1943)
orthocostae, Turbonilla orthocostae Peñas & Rolán, 2010
orthoplicatula, Turbonilla orthoplicatula Nomura, 1936
orthoplicatulata, Turbonilla orthoplicatulata (Nomura, 1936)
orthoplicatulata, Chemnitzia orthoplicatulata Nomura, 1936 - syn of: Turbonilla orthoplicatulata (Nomura, 1936)
ortizae, Eulimella ortizae Peñas & Rolán, 2000
oryza, Odostomia oryza Garrett, 1873
oscillaeformis, Miralda oscillaeformis Saurin, 1962
oscitans, Odostomia oscitans Lovén, 1846 - syn of: Odostomia ambigua (Maton & Rackett, 1807)
oscitans, Turbonilla oscitans Lovén, 1846 - syn of: Brachystomia eulimoides (Hanley, 1844)
osmagnum, Herewardia osmagnum Peñas & Rolán, 2017
osrhomboides, Turbonilla osrhomboides Peñas & Rolán, 2010
osyuensis, Turbonilla osyuensis Nomura, 1936
otahua, Besla otahua Laws, 1950 † (FOSSIL)
otaioensis, Syrnola otaioensis (Laws, 1937) † (FOSSIL)
otaioensis, Agatha otaioensis Laws, 1940 † (FOSSIL)
otakauicus, Pyrgiscus otakauicus (Laws, 1937)
otnirocensis, Turbonilla otnirocensis Hertlein & Strong, 1951
otoconsors, Pyrgiscilla otoconsors Laws, 1937 † (FOSSIL)
otokauica, Pyrgiscilla otokauica Laws, 1937 - syn of: Pyrgiscus otakauicus (Laws, 1937)
ototarana, Terelimella ototarana Laws, 1938
ottomoerchi, Turbonilla ottomoerchi Hertlein & Strong, 1951
otukai, Turbonilla otukai (Nomura, 1938)
otukai, Chemnitzia otukai Nomura, 1938 - syn of: Turbonilla otukai (Nomura, 1938)
ovalis, Evalea ovalis (Adams, 1861)
ovalis, Turbonilla ovalis de Folin, 1868
ovalis, Chrysallida ovalis Thiele, 1930
ovata, Odostomia ovata (Thiele, 1912)
ovata, Odostomia ovata Carpenter, 1857
ovata, Tiberia ovata Saurin, 1959
ovoidea, Odostomia ovoidea Adams, 1860
ovumformis, Pyrgulina ovumformis (Nomura, 1938)
owenga, Turbonilla owenga (Laws, 1937)
oxia, Odostomia oxia Watson, 1886
oyasiwo, Odostomia oyasiwo Nomura, 1939
ozanneana, Turbonilla ozanneana Hertlein & Strong, 1951
paardekooperi, Odostomia paardekooperi Van Aartsen, Gittenberger & Goud, 1998
pabloi, Quirella pabloi Peñas & Rolán, 2017
pablopenasi, Turbonilla pablopenasi Peñas, Rolán & Swinnen, 2014
pacaudi, Turbonilla pacaudi Peñas & Rolán, 2010
pacei, Agatha pacei (Dautzenberg & Fischer, 1906)
pacha, Odostomia pacha Bartsch, 1926
pachypleura, Turbonilla pachypleura Melvill, 1910
pacificus, Pyrgiscus pacificus Yokoyama, 1922
padangensis, Salassia padangensis (Thiele, 1925)
pagesi, Turbonilla pagesi Peñas & Rolán, 2010
pagodiformis, Megastomia pagodiformis (Schander, 1994)
pagodiformis, Odostomia pagodiformis Schander, 1994 - syn of: Megastomia pagodiformis (Schander, 1994)
pagodula, Parthenina pagodula (Adams, 1860)
pagodula, Pselliogyra pagodula Adams, 1860 - syn of: Parthenina pagodula (Adams, 1860)
pagodula, Eulimella pagodula Yokoyama, 1927 - syn of: Ebala pagodula (Yokoyama, 1927)
pakaurangiensis, Turbonilla pakaurangiensis (Laws, 1939) † (FOSSIL)
palazzii, Parthenina palazzii (Micali, 1984)
paleogenica, Costosyrnola paleogenica (Corgan, 1969) † (FOSSIL)
pallaryi, Turbonilla pallaryi Dautzenberg, 1910 - syn of: Turbonilla pumila Seguenza, 1876
pallida, Odostomia pallida (Montagu, 1803)
pallida, Babella pallida Peñas & Rolán, 2017
pallida angusta, Odostomia pallida angusta Jeffreys, 1867 - syn of: Brachystomia angusta (Jeffreys, 1867)
pallidior, Odostomia pallidior Nomura, 1937
pallidoides, Odostomia nardoi pallidoides Nordsieck
palmaensis, Megastomia palmaensis Peñas & Rolán, 1999
palmerae, Turbonilla palmerae Aguayo & Jaume, 1936 - syn of: Turbonilla krebsii (Mörch, 1875)
palmeri, Odostomia palmeri Bartsch, 1912
panamensis, Turbonilla panamensis (Adams, 1852)
panamensis, Odostomia panamensis Clessin, 1900
panamensis, Pyramidella panamensis Dall & Bartsch, 1909
papyraceus, Monotygma papyraceus (Basterot, 1825)
paquitae, Turbonilla paquitae Peñas & Rolán, 2010
paraguanensis, Turbonilla paraguanensis Landau & LaFolette, 2016
paralaminata, Turbonilla paralaminata De Castellanos, 1982
paramoea, Turbonilla paramoea Dall & Bartsch, 1909
parasigmoidea, Parthenina parasigmoidea (Schander, 1994)
parcecoronata, Miralda parcecoronata Peñas & Rolán, 2017
parda, Syrnola parda Peñas & Rolán, 2016
parella, Odostomia parella Dall & Bartsch, 1909
pareximia, Monotygma pareximia (Nomura, 1936)
parlimbata, Eulimella parlimbata Laws, 1939 † (FOSSIL)
parlucidula, Turbonilla parlucidula (Nomura, 1936)
parlucidula, Chemnitzia parlucidula Nomura, 1936 - syn of: Turbonilla parlucidula (Nomura, 1936)
parodontosis, Odostomia parodontosis Schander, 1994
parsysti, Turbonilla parsysti Peñas & Rolán, 2002
partimcostae, Pyrgulina partimcostae Peñas & Rolán, 2017
parva, Linopyrga rugata parva Laws
parva, Eulimella parva Peñas & Rolán, 2016
parvacuta, Eulimella parvacuta Peñas & Rolán, 2016
parvacutangula, Odostomia parvacutangula Laws, 1939
parvicoronata, Oscilla parvicoronata Peñas & Rolán, 2017
parvireticulata, Quirella parvireticulata Peñas & Rolán, 2017
parviscymna, Turbonilla parviscymna Pimenta & Absalão, 2004
parvispiralis, Parthenina parvispiralis Peñas & Rolán, 2017
parvitas, Eulimella parvitas Peñas & Rolán, 2016
parvitesta, Turbonilla parvitesta (Nomura, 1936)
parvitesta, Chemnitzia parvitesta Nomura, 1936 - syn of: Turbonilla parvitesta (Nomura, 1936)
parvulissima, Eulimella parvulissima Peñas & Rolán, 2016
paschalis, Turbonilla paschalis Thiele, 1925
pascoei, Linopyrga pascoei (Angas, 1867)
patricia, Odostomella patricia (Pilsbry, 1918)
patricia, Odostomia patricia Pilsbry, 1918 - syn of: Odostomella patricia (Pilsbry, 1918)
patricia, Turbonilla patricia Thiele, 1925
patricia rhodocephala, Odostomella patricia rhodocephala Pilsbry, 1918 - syn of: Odostomella opaca (Hedley, 1906)
patricia rosa, Odostomella patricia rosa Pilsbry, 1918 - syn of: Odostomella opaca (Hedley, 1906)
patruelis, Turbonilla patruelis Melvill, 1918
pattalus, Pyramidella pattalus (Pilsbry, 1906)
paucicostulata, Turbonilla paucicostulata (Tokunaga, 1906)
paucicostulata, Paramormula paucicostulata Tokunaga, 1906 - syn of: Turbonilla paucicostulata (Tokunaga, 1906)
pauciemersa, Pseudoscilla pauciemersa Peñas & Rolán, 1999
paucilineata, Dunkeria paucilineata (Carpenter)
paucilirata, Turbonilla paucilirata (Carpenter, 1857)
paucina, Costabieta paucina Laseron, 1956 - syn of: Costabieta horrida (Garrett, 1873)
paucisculpta, Miralda paucisculpta Peñas & Rolán, 2017
paucispiralis, Eulimella paucispiralis Peñas & Rolán, 2016
paucistriata, Turbonilla paucistriata (Jeffreys, 1884)
paucisulcata, Eulimella paucisulcata Peñas & Rolán, 1997
paueilirata, Chrysallida paueilirata (de Folin & Périer, 1875)
paueilirata, Noemia paueilirata de Folin & Périer, 1875 - syn of: Chrysallida paueilirata (de Folin & Périer, 1875)
paula, Turbonilla paula Thiele, 1925
paulbartschi, Miralda paulbartschi (Pilsbry, 1918)
paulhenrii, Odostomia paulhenrii Peñas & Rolán, 1999
pauli, Turbonilla pauli Smith & Gordon, 1958
paulinoi, Turbonilla paulinoi Pimenta & Absalão, 2004
paullula, Turbonilla paullula Jeffreys, 1867
paumotensis, Tiberia paumotensis (Tryon, 1886)
paumotoensis, Vagna paumotoensis (Tryon, 1886)
pauper, Turbonilla pauper (Nomura, 1936)
pauper, Chemnitzia pauper Nomura, 1936 - syn of: Turbonilla pauper (Nomura, 1936)
pauperata, Turbonilla pauperata Locard, 1897
paupercostae, Turbonilla paupercostae Peñas & Rolán, 2010
paupercula, Odostomia paupercula (Adams, 1852)
paupercula, Turbonilla paupercula Nomura, 1936
pazana, Turbonilla pazana Dall & Bartsch, 1909
pazensis, Turbonilla pazensis Baker, Hanna & Strong, 1928
pazondinae, Turbonilla pazondinae Peñas & Rolán, 2010
peasei, Turbonilla peasei Dall & Bartsch, 1906 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
peasei, Odostomia peasei Dautzenberg & Bouge, 1933 - syn of: Evalea eclecta (Pilsbry, 1918)
pedica, Odostomia pedica Laws, 1939
pedroana, Odostomia pedroana Dall & Bartsch, 1909
pegma, Linopyrga pegma Laseron, 1951
peilei, Turbonilla peilei Dall & Bartsch, 1911
pellucens, Eulimella pellucens (Adams, 1861)
pellucida, Odostomia pellucida (Adams, 1795)
pellucida, Polyspirella pellucida (Sowerby, 1897)
pellucida, Chrysallida pellucida Dillwyn, 1817 - syn of: Spiralinella spiralis (Montagu, 1803)
pellucida, Cingulina pellucida Sowerby, 1897 - syn of: Polyspirella pellucida (Sowerby, 1897)
pellucidus, Pyrgiscus pellucidus Saurin, 1959
pelorcei, Chrysallida pelorcei Peñas & Rolán, 1998
pemariella, Chrysallida pemariella Nomura, 1938
penascoensis, Turbonilla penascoensis Lowe, 1935
penasi, Turbonilla penasi Nofroni & Gubbioli, 2000
penchinati, Chrysallida penchinati Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Chrysallida penchynati (Bucquoy, Dautzenberg & Dollfus, 1883)
penchynati, Chrysallida penchynati (Bucquoy, Dautzenberg & Dollfus, 1883)
penedesensis, Eulimella penedesensis Moreno, Peñas & Rolán, 2003 † (FOSSIL)
penistoni, Turbonilla penistoni Bush, 1899
pentalopha, Turbonilla pentalopha Dall & Bartsch, 1903
penuriacostarum, Turbonilla penuriacostarum Peñas & Rolán, 2010
pequensis, Turbonilla pequensis Dall & Bartsch, 1909
peraequa, Chemnitzia peraequa (Pilsbry & Johnson, 1917) † (FOSSIL)
perangusta, Eulimella perangusta Gaglini, 1992
perdiminuta, Pyrgulina perdiminuta Peñas & Rolán, 2017
perelloi, Turbonilla perelloi Peñas & Rolán, 2010
perexigua, Pseudorissoina perexigua (Tate & May, 1900)
perexilis, Turbonilla perexilis Turton, 1932
perezdionisi, Turbonilla perezdionisi Peñas & Rolán, 1997
perezi, Ondina perezi (Dautzenberg & Fischer, 1925)
perfecta, Turbonilla perfecta Adams, 1860
perfelix, Oscilla perfelix (Nomura, 1938)
perfiliformis, Eulimella perfiliformis Peñas & Rolán, 2016
perfilumserrae, Parthenina perfilumserrae Peñas & Rolán, 2017
perforata, Pyramidella perforata (Adams, 1854)
perforata, Costabieta perforata Peñas & Rolán, 2017
perforata, Moerchia perforata Rubio & Rolán, 2014
pergracilis, Eulimella pergracilis Peñas & Rolán, 2016
pergradata, Syrnola pergradata Peñas & Rolán, 2016
pericuana, Turbonilla pericuana Strong, 1949
perinde, Eulimella perinde Peñas & Rolán, 2016
periscelida, Turbonilla periscelida Dall & Bartsch, 1909
perlata, Syrnola perlata Conrad, 1860
perlepida, Turbonilla perlepida Verrill, 1885
perlonga, Chemnitzia perlonga Stoppani, 1858 † - syn of: Trypanostylus geographicus Stoppani, 1858 † (FOSSIL)
permariella, Babella yabei permariella Nomura
perminima, Turbonilla perminima Turton, 1932
pernettae, Megastomia pernettae (Saurin, 1959)
peroni, Turbonilla peroni Vélain, 1878
perornatus, Syrnola perornatus Wade, 1926
perplexissima, Brachystomia perplexissima (Nomura, 1937)
persarum, Mormula persarum Melvill & Standen, 1903
perscalata, Linopyrga perscalata (Hedley, 1909)
perscalata, Pyrgulina perscalata Hedley, 1909 - syn of: Linopyrga perscalata (Hedley, 1909)
perspectiva, Pyrgulina perspectiva Hedley, 1902 - syn of: Egilina callista (Melvill, 1893)
perspicua, Odostomia perspicua Thiele, 1930
perstriata, Eulimella perstriata Peñas & Rolán, 2016
perstriata, Rissopsetia perstriata Peñas & Rolán, 2017
pertenuis, Chemnitzia pertenuis (Gabb, 1873) † (FOSSIL)
perturbata, Eulimella perturbata Peñas, Rolán & Swinnen, 2014
pervaga, Odostomia pervaga Laws, 1939
pervicax, Globostomia pervicax Hoffman, van Heugten & Lavaleye, 2009
pervicina, Odostomia pervicina Cossmann, 1903 † (FOSSIL)
pervulgata, Syrnola pervulgata Peñas & Rolán, 2016
pesa, Turbonilla pesa Dall & Bartsch, 1910
petaneana, Turbonilla petaneana (Laws, 1937) † (FOSSIL)
peterseni, Parthenina peterseni Schnetler, 2001 † (FOSSIL)
petri, Turbonilla petri Bartsch, 1919 - syn of: Derjuginella rufofasciata (Smith, 1875)
petterdi, Odostomia petterdi (Gatliff, 1900)
pfeifferi, Odostomia pfeifferi (Clessin, 1902)
pfeifferi, Turbonilla pfeifferi Clessin, 1902 - syn of: Odostomia pfeifferi (Clessin, 1902)
phalera, Turbonilla phalera Dall & Bartsch, 1909
phanea, Turbonilla phanea Dall & Bartsch, 1909
phanella, Odostomia phanella Dall & Bartsch, 1909
phanthietina, Chrysallida phanthietina Saurin, 1958
pharcida, Odostomia pharcida Dall & Bartsch, 1907
pharos, Bulicingulina pharos Harzhauser, 2014 † (FOSSIL)
phaula, Eulimella phaula (Dautzenberg & Fischer, 1896)
philippiana, Mormula philippiana (Dunker, 1860)
philippiana, Turbonilla philippiana Dunker, 1860 - syn of: Mormula philippiana (Dunker, 1860)
philippinensis, Eulimella philippinensis Peñas & Rolán, 2016
philippinensis, Puposyrnola philippinensis Peñas & Rolán, 2016
philippinensis, Miralda philippinensis Peñas & Rolán, 2017
philippinensis, Pyrgulina philippinensis Peñas & Rolán, 2017
philmaestratii, Turbonilla philmaestratii Peñas & Rolán, 2010
philomelae, Turbonilla philomelae (Watson, 1886)
phohaiensis, Pyrgulina phohaiensis Saurin, 1958
photis, Odostomia photis Carpenter, 1857
phuae, Nisiturris phuae (Saurin, 1959)
phuae, Nisiturris phuae Saurin, 1959 - syn of: Nisiturris phuae (Saurin, 1959)
phyllidis, Turbonilla phyllidis Melvill, 1910
phyllidus, Turbonilla phyllidus Melvill, 1910
physetum, Brachystomia physetum Lozouet, Lesport & Renard, 2001 † (FOSSIL)
physoides, Odostomia physoides Gould, 1861
piccolii, Nisiturris piccolii Robba, 2013 † (FOSSIL)
picteti, Odostomia picteti (Hornung & Mermod, 1924)
pierrelozoueti, Turbonilla pierrelozoueti Peñas & Rolán, 2010
pilsbryi, Odostomia pilsbryi Dall & Bartsch, 1904
pinguis, Turbonilla pinguis (Laseron, 1951)
pinguis, Pyrgulina pinguis (Peñas & Rolán, 1998)
pini, Turbonilla pini Peñas & Rolán, 1997
pinna, Eulimella pinna Peñas & Rolán, 2016
piriformis, Ovalina piriformis Peñas & Rolán, 2017
pirintella, Chrysallida pirintella (Melvill, 1910)
pirintella, Parthenina pirintella Melvill, 1910 - syn of: Chrysallida pirintella (Melvill, 1910)
pirinthella, Pyrgulina pirinthella Melvill, 1910
piscatorum, Polemicella piscatorum Saurin, 1959
pissarroi, Syrnola pissarroi Cossmann, 1902 † (FOSSIL)
pistillum, Syrnola pistillum Adams, 1863
pithus, Odostomia pithus Tomlin & Shackleford, 1912
pittensis, Agatha pittensis (Marwick, 1928) † (FOSSIL)
pizarroae, Turbonilla pizarroae Peñas & Rolán, 2010
pizzarroae, Turbonilla pizzarroae Peñas & Rolán, 2010 - syn of: Turbonilla pizarroae Peñas & Rolán, 2010
placida, Agatha placida Nomura, 1936
plana, Turbonilla plana (Robba, Di Geronimo, Chaimanee & al., 2004)
plana, Evalea plana Laws, 1941
plana, Chemnitzia plana Robba, Di Geronimo, Chaimanee & al., 2004 - syn of: Turbonilla plana (Robba, Di Geronimo, Chaimanee & al., 2004)
planicosta, Odostomia aepynota planicosta Baker, Hanna & Strong
planicostata, Turbonilla planicostata (Yokoyama, 1922)
planicostata, Pyrgolampros planicostata Yokoyama, 1922 - syn of: Turbonilla planicostata (Yokoyama, 1922)
planispiralis, Babella planispiralis Peñas & Rolán, 2017
planitesta, Turbonilla planitesta (Nomura, 1936)
planitesta, Pyrgolampros planitesta Nomura, 1936 - syn of: Turbonilla planitesta (Nomura, 1936)
plastica, Turbonilla plastica Guppy, 1896 † (FOSSIL)
plebeia, Pyrgiscus plebeia (Nomura, 1936)
pleijeli, Turbonilla pleijeli Schander, 1994
pleurorbis, Eucharilda pleurorbis Laseron, 1951 - syn of: Seilarex turritelliformis (Angas, 1877)
plica, Odostomia plica Cantraine, 1842 - syn of: Megastomia conoidea (Brocchi, 1814)
plicata, Pyrgulina plicata (Adams, 1860)
plicata, Odostomia plicata (Montagu, 1803)
plicata, Trabecula plicata Adams, 1860 - syn of: Pyrgulina plicata (Adams, 1860)
plicata, Turbonilla plicata de Folin & Périer, 1879
plicata, Odostomia plicata Fleming, 0 - syn of: Megastomia conoidea (Brocchi, 1814)
plicata, Pyramidella plicata Lamarck, 1816 - syn of: Otopleura auriscati (Holten, 1802)
plicata carinata, Odostomia plicata carinata Marshall, 1893 - syn of: Odostomia plicata (Montagu, 1803)
plicatula, Odostomia plicatula Macgillivray, 1843 - syn of: Spiralinella spiralis (Montagu, 1803)
plicosa, Pyramidella plicosa Bronn, 1838 † (FOSSIL)
pliocena, Peristichia pliocena (Bartsch, 1955)
pliocenica, Turbonilla pliocenica Laws, 1937 † (FOSSIL)
pliomagna, Turbonilla pliomagna (Sacco, 1892) † (FOSSIL)
pluracostae, Parthenina pluracostae Peñas & Rolán, 2017
pluralis, Streptocionella pluralis Dell, 1990
pluricircumversa, Pyrgulina pluricircumversa Peñas & Rolán, 2017
pluricostulata, Parthenina pluricostulata Peñas & Rolán, 2017
plurifuniculata, Parthenina plurifuniculata Peñas & Rolán, 2017
pluto, Turbonilla pluto Dall & Bartsch, 1909
pocahontasae, Odostomia pocahontasae Henderson & Bartsch, 1914
pointeli, Eulimella pointeli de Folin, 1868 - syn of: Ebala pointeli (de Folin, 1868)
pointeli gradata, Odostomia pointeli gradata Monterosato, 1878 - syn of: Ebala gradata (Monterosato, 1878)
pointeli turgida, Odostomia pointeli turgida Monterosato, 1878 - syn of: Ebala pointeli (de Folin, 1868)
polaris, Turbonilla polaris (Hedley, 1916)
polaris, Chemnitzia polaris Hedley, 1916 - syn of: Turbonilla polaris (Hedley, 1916)
polemica, Polemicella polemica (Melvill, 1910)
polemica, Polemicella polemica (Saurin, 1961) - syn of: Chrysallida saurini Robba, Di Geronimo, Chaimanee & al., 2004
polita, Pyramidella polita (Johnston, 1880) † (FOSSIL)
polita, Eulimella polita (Verrill, 1872)
polita, Odostomia polita Bivona-Bernardi, 1832 - syn of: Megastomia conoidea (Brocchi, 1814)
polita, Eulimella polita de Folin, 1870
polita, Pyramidella polita Martin, 1884 † - syn of: Pyramidella nanggulanica Finlay, 1927 † (FOSSIL)
polita, Odostomia polita Pease, 1867
polygyrata, Eulimella polygyrata Dautzenberg, 1912
polykista, Stylopsis polykista de Folin, 1879
polyskista, Linopyrga polyskista (de Folin & Périer, 1879)
polyzonata, Chemnitzia polyzonata Carpenter, 1856
pontica, Chrysallida pontica Grossu, 1986
poppei, Egila poppei (Dall & Bartsch, 1909)
porrecta, Turbonilla porrecta (Laseron, 1959)
porrecta, Eulimella porrecta Peñas & Rolán, 2016
portentosa, Costabieta portentosa Peñas & Rolán, 2017
porteri, Odostomia porteri Baker, Hanna & Strong, 1928
portoparkerensis, Turbonilla portoparkerensis Hertlein & Strong, 1951
portoricana, Turbonilla portoricana Dall & Simpson, 1901
portoricensis, Turbonilla portoricensis Dall & Simpson, 1901
portseaensis, Linopyrga portseaensis (Gatliff & Gabriel, 1911)
postacuticostata, Turbonilla postacuticostata Sacco, 1892
postera, Eulimella postera Peñas & Rolán, 2016
poupini, Turbonilla poupini Peñas & Rolán, 2010
powelli, Turbonilla powelli Bucknill, 1924
powhatani, Turbonilla powhatani Henderson & Bartsch, 1914
praecostulata, Syrnola praecostulata Saurin, 1959
praegravata, Turbonilla praegravata Laws, 1940 † (FOSSIL)
praelonga, Evalea praelonga Cossmann, 1888 † (FOSSIL)
praelonga, Eulimella praelonga Jeffreys, 1884 - syn of: Eulimella cerullii (Cossmann, 1916)
praelonga concinna, Odostomia praelonga concinna Jeffreys, 1884 - syn of: Eulimella cerullii (Cossmann, 1916)
prashadi, Turbonilla prashadi Ray, 1968
pratii, Pyramidella pratii Bernardi, 1858
pratoma, Odostomia pratoma Dall & Bartsch, 1909
pratti, Pyramidella pratti Bernardi, 0 - syn of: Pyramidella pratii Bernardi, 1858
prava, Marginodostomia prava (Saurin, 1962)
pravitas, Terelimella pravitas Laws, 1941 † (FOSSIL)
prefasii, Turbonilla prefasii Peñas & Rolán, 2010
pressa, Eulimella pressa Peñas & Rolán, 2016
prestoni, Egilina prestoni (Dautzenberg & Fischer, 1906)
prestoni, Pyrgulina prestoni Dautzenberg & Fischer, 1906 - syn of: Egilina prestoni (Dautzenberg & Fischer, 1906)
prestoni, Turbonilla prestoni Ray, 1968
pretiosa, Miralda pretiosa (Dautzenberg & Fischer, 1906)
pretiosa, Pyrgulina pretiosa (Turton, 1932)
pretiosa, Tiberia pretiosa Coen, 1933 - syn of: Parthenina interstincta (Adams, 1797)
pretiosa, Pyrgulina pretiosa Dautzenberg & Fischer, 1906 - syn of: Miralda pretiosa (Dautzenberg & Fischer, 1906)
pretiosior, Miralda pretiosior Saurin, 1962
prima, Odostomia prima Pilsbry, 1918 - syn of: Nesiodostomia tertia (Pilsbry, 1918)
primaliciae, Miralda primaliciae Saurin, 1962
primitractus, Linopyrga primitractus (Saurin, 1959)
primitractus, Linopyrga primitractus Saurin, 1959 - syn of: Linopyrga primitractus (Saurin, 1959)
primorum, Eulimella primorum Peñas & Rolán, 2016
princeps, Turbonilla princeps Preston, 1905 - syn of: Terenolla pygmaea (Hinds, 1844)
principalis, Odostomia principalis Peñas, Rolán & Swinnen, 2014
prinsi, Odostomia prinsi Van Aartsen, Gittenberger & Goud, 1998
problema, Pyrgulina problema Peñas & Rolán, 2017
problematica, Siogamaia problematica Nomura, 1936
procera, Eulimella procera Peñas & Rolán, 2016
procerita, Turbonilla procerita (Laseron, 1959)
producta, Syrnola producta (Adams, 1840)
producta, Chemnitzia producta Adams, 1840 - syn of: Syrnola producta (Adams, 1840)
producta, Odostomia producta Adams, 1840 - syn of: Syrnola producta (Adams, 1840)
producta, Sayella producta Adams, 1840 - syn of: Syrnola producta (Adams, 1840)
producta, Odostomia producta Adams, 1860
producta, Eulimella producta Peñas & Rolán, 2016
producta, Quirella producta Peñas & Rolán, 2017
profunda, Eulimella profunda Peñas & Rolán, 2016
profundicola, Odostomia profundicola Dall & Bartsch, 1909
profundiperforata, Odostomia profundiperforata Nomura, 1937
proiectura, Chrysallida proiectura Laseron, 1959
projectura, Chrysallida projectura (Laseron, 1959)
proletare, Puposyrnola proletare Laseron, 1951
prolixa, Syrnola prolixa Sohl, 1964
prolongata, Turbonilla prolongata (Carpenter, 1857)
prolongatus, Pyrgiscus prolongatus (Turton, 1932)
promeces, Odostomia promeces Dall & Bartsch, 1909
prominens, Babella prominens Peñas & Rolán, 2017
prona, Odostomia prona Peñas & Rolán, 1999
pronacostae, Pyrgulina pronacostae Peñas & Rolán, 2017
proneri, Turbonilla proneri Peñas & Rolán, 2010
propeacuta, Eulimella propeacuta Peñas & Rolán, 2016
propepuncti, Pyrgulina propepuncti Peñas & Rolán, 2017
propingua, Turbonilla propingua (Laseron, 1951)
propinqua, Pyramidella propinqua Adams, 1853 - syn of: Otopleura mitralis (Adams, 1855)
propria, Evalea propria Laws, 1941
prosoclina, Eulimella prosoclina Peñas & Rolán, 2016
prosocostae, Turbonilla prosocostae Peñas & Rolán, 2010
protofunis, Eulimella protofunis (Peñas & Rolán, 1999)
protofunis, Eulimella protofunis Peñas & Rolán, 1999 - syn of: Eulimella protofunis (Peñas & Rolán, 1999)
protogalea, Miralda protogalea Peñas & Rolán, 2017
protracta, Turbonilla protracta Dall, 1892 - syn of: Turbonilla ornata (D'Orbigny, 1840)
proventa, Eulimella proventa Peñas & Rolán, 2016
proxima, Odostomia proxima (de Folin, 1872)
proxima, Syrnola proxima Peñas & Rolán, 2016
proxima, Syrnola proxima Wade, 1926
proximitatis, Pyrgulina proximitatis Peñas & Rolán, 2017
pruinosa, Odostomia pruinosa Adams, 1860
psammitica, Costabieta psammitica (Issel, 1869)
pseudalveata, Pyrgulina pseudalveata (Nomura, 1936)
pseudapproximata, Turbonilla pseudapproximata (Nomura, 1936)
pseudapproximata, Chemnitzia pseudapproximata Nomura, 1936 - syn of: Turbonilla pseudapproximata (Nomura, 1936)
pseudocosta, Eulimella pseudocosta Peñas & Rolán, 2016
pseudocostellata, Turbonilla pseudocostellata Sacco, 1892 † (FOSSIL)
pseudocura, Turbonilla pseudocura Nomura, 1938
pseudofolinella, Parthenina pseudofolinella Peñas & Rolán, 2017
pseudogemma, Miralda pseudogemma Peñas & Rolán, 2017
pseudomala, Turbonilla pseudomala (Nomura, 1938)
pseudomala, Chemnitzia pseudomala Nomura, 1938 - syn of: Turbonilla pseudomala (Nomura, 1938)
pseudomarteli, Turbonilla pseudomarteli Peñas & Rolán, 1997
pseudomultigyrata, Turbonilla pseudomultigyrata Nomura, 1936
pseudoperforata, Megastomia pseudoperforata (Nomura, 1939)
pseudoperforata, Marginodostomia pseudoperforata Nomura, 1939 - syn of: Megastomia pseudoperforata (Nomura, 1939)
pseudopulchella, Tiberia pseudopulchella Yokoyama, 1920
pseudorex, Mormula pseudorex (Nomura, 1936)
pseudorugata, Linopyrga pseudorugata (Marshall & Murdoch, 1921) † (FOSSIL)
pseudostricta, Turbonilla pseudostricta Nordsieck, 1972 - syn of: Turbonilla pumila Seguenza, 1876
pseudoterebralis, Turbonilla pseudoterebralis Sacco, 1892 † (FOSSIL)
pseudoturbonilla, Eulimella pseudoturbonilla Peñas & Rolán, 2016
psyche, Monotygma psyche (Melvill, 1899)
pudica, Odostomia pudica Suter, 1908
puelchana, Odostomia puelchana De Castellanos, 1982
puella, Turbonilla puella Thiele, 1930
pugetensis, Turbonilla pugetensis Bartsch, 1917
pukeuriensis, Turbonilla pukeuriensis Laws, 1937 † (FOSSIL)
pulchella, Pyramidella pulchella (Adams in Sowerby, 1854)
pulchella, Orinella pulchella (Adams, 1854)
pulchella, Pyrgulina pulchella (Adams, 1860)
pulchella, Turbonilla pulchella (D'Orbigny, 1841)
pulchella, Pyramidella pulchella Adams, 1854 - syn of: Orinella pulchella (Adams, 1854)
pulchella, Tiberia pulchella Adams, 1854 - syn of: Orinella pulchella (Adams, 1854)
pulchella, Dunkeria pulchella Adams, 1860 - syn of: Pyrgulina pulchella (Adams, 1860)
pulchellus, Stylopsis pulchellus de Folin, 1870
pulcherrima, Odostomia pulcherrima Dall & Bartsch, 1909 - syn of: Boonea cincta (Carpenter, 1864)
pulchra, Cingulina pulchra (Brazier, 1894)
pulchra, Odostomia pulchra (de Folin, 1872)
pulchra, Linopyrga pulchra (Garrett, 1873)
pulchra, Turbonilla pulchra Clessin, 1900 - syn of: Turbonilla penistoni Bush, 1899
pulchra, Turbonilla pulchra Deshayes, 1861 † (FOSSIL)
pulchra, Chrysallida pulchra Gaglini, 1992 - syn of: Liamorpha elegans (de Folin, 1870)
pulchrior, Gurmatia pulchrior (Melvill, 1904) † (FOSSIL)
pulcia, Odostomia pulcia Dall & Bartsch, 1909 - syn of: Boonea cincta (Carpenter, 1864)
pumila, Kleinella pumila Landau & LaFollette, 2015
pumila, Turbonilla pumila Seguenza, 1876
pumilio, Syrnola pumilio (Smith, 1890)
puncta, Turbonilla puncta (Adams, 1850)
punctata, Pyramidella punctata Schubert & Wagner, 1829 - syn of: Pyramidella acus (Gmelin, 1791)
puncticingulata, Cingulina puncticingulata Nomura, 1938
puncticulata, Monotygma puncticulata Gould, 1861
punctigera, Linopyrga punctigera (Adams, 1860)
punctigera, Trabecula punctigera Adams, 1860 - syn of: Linopyrga punctigera (Adams, 1860)
punctigera, Chrysallida punctigera Adams, 1860 - syn of: Linopyrga punctigera (Adams, 1860)
punctigera, Monotygma punctigera Adams, 1861
punctillum, Turbonilla punctillum Melvill, 1910
punctiperipherata, Turbonilla punctiperipherata Nomura, 1936
punctistriata, Eulimella punctistriata Peñas & Rolán, 2016
puncturata, Monotygma puncturata Smith, 1872 - syn of: Leucotina puncturata (Smith, 1872)
punicea, Turbonilla punicea Dall, 1884
punicea, Hinemoa punicea Oliver, 1915
pupa, Odostomella pupa (Watson, 1886)
pupa, Odostomia pupa Dubois, 1831
pupa, Odostomia pupa Watson, 1886 - syn of: Odostomella pupa (Watson, 1886)
pupa, Chrysallida pupa Wood, 1842 - syn of: Chrysallida intermixta (Monterosato, 1884)
pupaeformis, Pyrgulina pupaeformis (Souverbie, 1865)
pupaeformis, Turbonilla pupaeformis Milaschewitsch, 1916 - syn of: Turbonilla pusilla (Philippi, 1844)
pupaeformis, Odostomia pupaeformis Souverbie, 1865 - syn of: Pyrgulina pupaeformis (Souverbie, 1865)
pupaeformis, Pyramidella pupaeformis Souverbie, 1865 - syn of: Pyrgulina pupaeformis (Souverbie, 1865)
pupaformis, Tibersyrnola pupaformis Grant-Mackie & Chapman-Smith, 1971 † (FOSSIL)
pupiformis, Styloptygma pupiformis (Adams, 1860)
pupina, Odostomella pupina (Saurin, 1959)
pupina, Syrnola pupina Adams, 1860
pupodentata, Turbonilla pupodentata Peñas & Rolán, 2010
pupoides, Turbonilla pupoides (D'Orbigny, 1841)
pupominuta, Turbonilla pupominuta Peñas & Rolán, 2010
pupu, Odostomia pupu Pilsbry, 1918 - syn of: Hinemoa indica (Melvill, 1896)
pupula, Chrysallida pupula (Adams, 1861) - syn of: Pyrgulina pupula (Adams, 1861)
pupula, Pyrgulina pupula (Adams, 1861)
pura, Pyrgulina pura (Adams, 1861)
pura, Chrysallida pura (Saurin, 1962)
pura, Monotygma pura Adams, 1854 - syn of: Leucotina casta (Adams, 1853)
pura, Pyrgulina pura Saurin, 1962 - syn of: Chrysallida pura (Saurin, 1962)
puriae, Pyrgulina puriae Peñas & Rolán, 2017
puriensis, Turbonilla puriensis Ray, 1968
purpurea, Odostomella purpurea Saurin, 1959 - syn of: Herviera gliriella (Melvill & Standen, 1896)
pusilla, Tiberia pusilla (Adams, 1854)
pusilla, Turbonilla pusilla (Philippi, 1844)
pusilla, Turbonilla pusilla Adams, 1850 - syn of: Turbonilla coomansi Van Aartsen, 1994
pusilla, Turbonilla pusilla Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Tiberia semicostata Saurin, 1962
pusilla, Odostomia pusilla Jeffreys, 1867 - syn of: Turbonilla pumila Seguenza, 1876
pusilla, Turbonilla pusilla Marshall, 1894 - syn of: Turbonilla sinuosa (Jeffreys, 1884)
pusilla cylindrata, Turbonilla pusilla cylindrata Marshall, 1893
pusilla minuscula, Turbonilla pusilla minuscula Marshall, 1891
pusio, Chrysallida pusio Adams, 1861
puymaneli, Costosyrnola puymaneli Saurin, 1959
pygmaea, Chrysallida pygmaea Adams, 1861
pygmaea, Chrysallida pygmaea Brusina, 1864 - syn of: Chrysallida emaciata (Brusina, 1866)
pygmaea, Turbonilla pygmaea D'Orbigny, 1852 † - syn of: Chrysallida interita Linden & Eikenboom, 1992 † (FOSSIL)
pygmaea, Chrysallida pygmaea Grateloup, 1838 - syn of: Chrysallida stefanisi (Jeffreys, 1869)
pyramidalis, Syrnola pyramidalis Adams, 1860
pyramidata, Eulimella pyramidata (Deshayes, 1834)
pyramidata, Megastomia pyramidata (Laseron, 1951)
pyramis, Evalea pyramis (Adams, 1860)
pyrgidium, Turbonilla pyrgidium Tomlin & Shackleford, 1914
pyrgoidella, Eulimella pyrgoidella Saurin, 1959
pyrgoides, Eulimella pyrgoides Dautzenberg & Fischer, 1906
pyrgomella, Pyrgulina pyrgomella (Melvill, 1896)
pyrgulella, Pyrgulina pyrgulella Coen, 1933 - syn of: Parthenina terebellum (Philippi, 1844)
pyrgulina, Chrysallida pyrgulina Peñas & Rolán, 1998
pyrgulopsis, Eulimastoma pyrgulopsis (Pilsbry & Johnson, 1917) † (FOSSIL)
pyrrha, Syrnola pyrrha (Bartsch, 1915)
pyrrha, Turbonilla pyrrha Bush, 1899
pyttelilla, Parthenina pyttelilla (Schander, 1994)
pyxidata, Odostomia pyxidata Schander, 1994
qenenoji, Turbolidium qenenoji (Peñas & Rolán, 2010)
quadrae, Odostomia quadrae Dall & Bartsch, 1910
quadrasi, Eulimella quadrasi Böttger, 1893
quadruplator, Turbonilla quadruplator (Laws, 1940) † (FOSSIL)
quaelibet, Syrnola quaelibet Saurin, 1959
quaestuosa, Turbonilla quaestuosa Melvill, 1910
quangae, Pyrgiscus quangae Saurin, 1959
quantoana, Parthenina quantoana (Nomura, 1937)
quantoensis, Siogamaia quantoensis Nomura, 1937
quarta, Nesiodostomia quarta (Pilsbry, 1918)
quasicylindrica, Pyrgulina quasicylindrica Peñas & Rolán, 2017
quatericingulata, Paracingulina quatericingulata (Nomura, 1938)
queenslandica, Turbonilla queenslandica (Laseron, 1959)
querandina, Turbonilla querandina Ihering, 1907 - syn of: Turbonilla uruguayensis Pilsbry, 1897
quesadai, Turbonilla quesadai Peñas & Rolán, 2010
quilla, Odostomia quilla Bartsch, 1926
quilonica, Megastomia quilonica M. Harzhauser, 2014 † (FOSSIL)
quilonica, Menesthella quilonica M. Harzhauser, 2014 † (FOSSIL)
quinquecincta, Odostomia quinquecincta (Carpenter, 1856) - syn of: Ividella quinquecincta (Carpenter, 1856)
quinquecincta, Ividella quinquecincta (Carpenter, 1856)
quinta, Nesiodostomia quinta Pilsbry, 1944 - syn of: Nesiodostomia tertia (Pilsbry, 1918)
quintanai, Turbonilla quintanai Peñas & Rolán, 2010
rachialis, Turbonilla rachialis Pimenta & Absalão, 2004
rafaeli, Turbonilla rafaeli Peñas & Rolán, 1997
raikura, Chemnitzia raikura Laws, 1937
rakiura, Turbonilla rakiura (Laws, 1937)
rambhanensis, Turbonilla rambhanensis (Preston, 1914)
ramosinsulae, Turbonilla ramosinsulae Peñas & Rolán, 2010
ranae, Besla ranae Saurin, 1962
rangi, Chemnitzia rangi de Folin, 1867 - syn of: Subniso rangi (de Folin, 1867)
raphidiopsis, Turbonilla raphidiopsis Cossmann & Peyrot, 1917 † (FOSSIL)
raptor, Turbonilla raptor (Laws, 1937) † (FOSSIL)
raricostae, Pyrgulina raricostae Peñas & Rolán, 2017
raritans, Turbonilla raritans Nomura, 1936
rathbuni, Turbonilla rathbuni Verrill & Smith in Verrill, 1880
ratisukunai, Turbonilla ratisukunai Peñas & Rolán, 2010 - syn of: Turbonilla ratusukunai Peñas & Rolán, 2010
ratusukunai, Turbonilla ratusukunai Peñas & Rolán, 2010
raymondi, Turbonilla raymondi Dall & Bartsch, 1909
realejoensis, Turbonilla realejoensis Hertlein & Strong, 1951
reamensis, Besla reamensis Saurin, 1962
rebjongensis, Asmunda rebjongensis Robba, 2013 † (FOSSIL)
rebjongensis, Costosyrnola rebjongensis Robba, 2013 † (FOSSIL)
rebjongensis, Strioturbonilla rebjongensis Robba, 2013 † (FOSSIL)
recta, Turbonilla recta Dall & Bartsch, 1909
recta, Odostomia recta Laseron, 1959
rectangularis, Pyrgulina rectangularis Peñas & Rolán, 2017
recticostata, Turbonilla recticostata Melvill, 1904
rectogallica, Turbonilla rectogallica Sacco, 1892
redempta, Pyrgulina redempta (Melvill, 1910)
redondoensis, Turbonilla redondoensis Bartsch, 1917
reedi, Odostomia reedi Bartsch, 1928
reekmansae, Pyrgulina reekmansae Peñas, Rolán & Swinnen, 2014
reevei, Odostomia reevei Wood, 1882 † (FOSSIL)
regina, Megastomia regina (Thiele, 1925)
regina, Turbonilla regina Dall & Bartsch, 1909
regis, Turbonilla regis (Saurin, 1959)
regularis, Chrysallida regularis de Folin, 1870 - syn of: Odostomella doliolum (Philippi, 1844)
reigeni, Odostomia reigeni Carpenter, 1857
rejecta, Parthenina monterosatii rejecta Coen
reklawensis, Chemnitzia reklawensis Garvie, 2013 † (FOSSIL)
rembangensis, Eulimella rembangensis Robba, 2013 † (FOSSIL)
rembangensis, Liamorpha rembangensis Robba, 2013 † (FOSSIL)
rembangensis, Nisiturris rembangensis Robba, 2013 † (FOSSIL)
rembangensis, Bulicingulina rembangensis Robba, 2013 † (FOSSIL)
renatae, Pyrgiscus renatae (Saurin, 1959)
rentsii, Turbonilla rentsii Clessin, 1900
repetitio, Eulimella repetitio Peñas & Rolán, 2016
representata, Bouchetmella representata Peñas & Rolán, 2016
resina, Odostomia resina Dall & Bartsch, 1909
resticula, Pyramidella resticula Dall, 1889 - syn of: Bacteridium resticulum (Dall, 1889)
resticulum, Bacteridium resticulum (Dall, 1889)
restii, Odostomia restii Peñas & Rolán, 1999
retardata, Odostomia retardata Tiberi, 1869 - syn of: Auristomia erjaveciana (Brusina, 1869)
reticosa, Mumiola reticosa (Adams, 1863)
reticulata, Turbonilla reticulata (Adams, 1850)
reticulata, Otopleura reticulata (Martin, 1905) † (FOSSIL)
reticulata, Dunkeria reticulata Adams, 1860 - syn of: Cerithidium fuscum (Adams, 1860)
reticulata, Linopyrga reticulata Laseron, 1959
reticulata, Chrysallida reticulata Robba, 2013 † (FOSSIL)
reticuli, Rissopsetia reticuli Peñas & Rolán, 2017
retrozonata, Chemnitzia retrozonata Stoppani, 1857 † - syn of: Omphaloptycha escheri (Hoernes, 1856) † (FOSSIL)
retusa, Turbonilla retusa Turton, 1932
reuteri, Eulimella reuteri Harzhauser, 2014 † (FOSSIL)
revincta, Miralda revincta (Hedley, 1912)
revisa, Besla revisa Saurin, 1959
rewa, Turbonilla rewa Peñas & Rolán, 2010
rex, Mormula rex (Pilsbry, 1904)
rex, Turbonilla rex Thiele, 1925
rhabdoides, Turbonilla rhabdoides (Watson, 1886)
rhabdota, Turbonilla rhabdota (Watson, 1886)
rhambaensis, Turbonilla rhambaensis Preston, 1914 - syn of: Turbonilla rambhanensis (Preston, 1914)
rhea, Turbonilla rhea Bartsch, 1927
rhizophorae, Ividella rhizophorae (Hertlein & Strong, 1951)
rhyllensis, Cingulina rhyllensis Gatliff & Gabriel, 1910
richeri, Turbonilla richeri Peñas & Rolán, 2010
richi, Odostomia richi Dall & Bartsch, 1909
riddollsi, Syrnola riddollsi Maxwell, 1992 † (FOSSIL)
ridgwayi, Turbonilla ridgwayi Dall & Bartsch, 1909
ridiculosa, Turbonilla ridiculosa (Nomura, 1937)
ridiculosa, Chemnitzia ridiculosa Nomura, 1937 - syn of: Turbonilla ridiculosa (Nomura, 1937)
rietensis, Turbonilla rietensis Turton, 1932
rigacci, Turbonilla rigacci Conti, 1864 - syn of: Chrysallida fenestrata (Jeffreys, 1848)
riisei, Turbonilla riisei (Mörch, 1875)
rikuzenica, Ptycheulimella rikuzenica (Nomura, 1936)
rikuzenosimensis, Chemnitzia rikuzenosimensis Nomura, 1937 - syn of: Turbonilla rikuzenosimensis Nomura, 1938
rikuzenosimensis, Turbonilla rikuzenosimensis Nomura, 1938
rima, Turbonilla rima Bartsch, 1926
rimaca, Turbonilla rimaca Bartsch, 1926
rinaldii, Parthenina rinaldii (Micali & Nofroni, 2004)
rinaldii, Chrysallida rinaldii Micali & Nofroni, 2004 - syn of: Parthenina rinaldii (Micali & Nofroni, 2004)
rinella, Odostomia rinella Dall & Bartsch, 1909
rissoides, Odostomia rissoides Hanley, 1844 - syn of: Brachystomia scalaris (Macgillivray, 1843)
rissoides exilis, Turbonilla rissoides exilis (Macgillivray, 1843) - syn of: Brachystomia scalaris (Macgillivray, 1843)
rissoides exilis, Odostomia rissoides exilis Jeffreys, 1867 - syn of: Brachystomia scalaris (Macgillivray, 1843)
rissoiformis, Odostomia rissoiformis Milaschewitsch, 1912 - syn of: Brachystomia carrozzai (Van Aartsen, 1987)
rissoiformis, Eurathea rissoiformis Peñas & Rolán, 2017
rissoina, Mormula rissoina Adams, 1864 - syn of: Mormula philippiana (Dunker, 1860)
ritteri, Odostomia ritteri Dall & Bartsch, 1909
rixtae, Turbonilla rixtae De Jong & Coomans, 1988
robertsoni, Folinella robertsoni (Van Regteren Altena, 1975)
robertsoni, Chrysallida robertsoni (Van Regteren Altena, 1975) - syn of: Folinella robertsoni (Van Regteren Altena, 1975)
robinsoni, Otopleura robinsoni Ludbrook, 1978 † (FOSSIL)
robusta, Babella robusta Harzhauser, 2014 † (FOSSIL)
robusta, Odostomia robusta Hedley, 1899 - syn of: Turbonilla mumia microscopica (Adams, 1861)
robusta, Miralda robusta Peñas & Rolán, 2017
robusta, Eulimella robusta Van Aartsen, Gittenberger & Goud, 1998
robustissima, Pyrgulina robustissima Peñas & Rolán, 2017
rodata, Syrnola rodata (Laws, 1940) † (FOSSIL)
rodejai, Turbonilla rodejai Peñas & Rolán, 2010
rodrii, Turbonilla rodrii Peñas & Rolán, 2010
roessleri, Chemnitzia roessleri (Geinitz, 1852) † (FOSSIL)
rogeri, Rissopsetia rogeri Peñas & Rolán, 2017
rolani, Kongsrudia rolani Lygre & Schander, 2010
rolingiana, Turbonilla rolingiana Saurin, 1962
romburghi, Odostomia romburghi Van Aartsen, Gittenberger & Goud, 1998
romeasaina, Turbonilla romeasaina Saurin, 1961
romeasiana, Turbonilla romeasiana Saurin, 1962
rosacea, Odostomia rosacea Pease, 1867
rosae, Charilda rosae (Hedley, 1901)
rosapereirae, Turbonilla rosapereirae Peñas & Rolán, 2010
rosea, Odostomia rosea Monterosato, 1877 - syn of: Pyrgolidium internodula (Wood, 1847)
rosewateri, Turbonilla rosewateri Corgan & Van Aartsen, 1993
rossiana, Besla rossiana Laws, 1941
rosthorni, Chemnitzia rosthorni Hoernes, 1856 † - syn of: Omphaloptycha rosthorni (Hoernes, 1856) † (FOSSIL)
rotundata, Odostomia rotundata Carpenter, 1857
rubioi, Turbonilla rubioi Peñas & Rolán, 1997
rubra, Hinemoa rubra Laseron, 1959 - syn of: Hinemoa ligata (Angas, 1877)
rubra, Odostomia rubra Pease, 1867
rubrofasciata, Syrnola rubrofasciata Peñas & Rolán, 2016
rubrofusca, Chemnitzia rubrofusca Carpenter, 1856
rudicostae, Pyrgulina rudicostae Peñas & Rolán, 2017
rudis, Eulimella rudis Watson, 1886
rudisculpta, Parthenina rudisculpta Peñas & Rolán, 2017
rudoi, Turbonilla rudoi Peñas & Rolán, 2010
rufa, Turbonilla rufa (Philippi, 1836)
rufa, Pyrgostelis rufa Philippi, 1836 - syn of: Turbonilla rufa (Philippi, 1836)
rufa fasciata, Turbonilla rufa fasciata Réquien, 1848
rufa spectabilis, Turbonilla rufa spectabilis Monterosato, 1884 - syn of: Turbonilla rufa (Philippi, 1836)
rufa spectabilis, Pyrgostelis rufa spectabilis Monterosato, 1884 - syn of: Turbonilla rufa (Philippi, 1836)
rufanensis, Turbonilla rufanensis Turton, 1932
rufescens, Turbonilla rufescens (Forbes, 1846) - syn of: Pyrgiscus rufescens (Forbes, 1846)
rufescens, Pyrgiscus rufescens (Forbes, 1846)
rufocincta, Dunkeria rufocincta Adams, 1861 - syn of: Finella rufocincta (Adams, 1861)
rufofasciata, Derjuginella rufofasciata (Smith, 1875)
rufolineata, Odostomella rufolineata (Adams, 1863)
rufula, Odostomia rufula Souverbie, 1875 - syn of: Styloptygma luteum (Garrett, 1873)
rugata, Linopyrga rugata (Hutton, 1886)
rugata, Odostomia rugata Hutton, 1886 - syn of: Linopyrga rugata (Hutton, 1886)
rugata, Eulimella rugata Peñas & Rolán, 2016
rugata parva, Linopyrga rugata parva Laws, 1941
rugosa, Miralda rugosa Laseron, 1959
rugosa, Cingulina rugosa Saurin, 1959
ruris, Megastomia ruris Peñas & Rolán, 1999
rushii, Turbonilla rushii Bush, 1899
russell, Turbonilla russell Peñas & Rolán, 2010
rusticella, Odostomia rusticella Yokoyama, 1927
rutor, Auristomia rutor (Nofroni & Schander, 1994)
rutor, Odostomia rutor Nofroni & Schander, 1994 - syn of: Auristomia rutor (Nofroni & Schander, 1994)
ryalea, Odostomia ryalea Bartsch, 1927
ryalli, Nisiturris ryalli (Peñas & Rolán, 1997)
ryalli, Turbonilla ryalli Peñas & Rolán, 1997 - syn of: Nisiturris ryalli (Peñas & Rolán, 1997)
ryalli, Chrysallida ryalli Peñas & Rolán, 2002
ryclea, Evalea ryclea (Bartsch, 1927)
sabulosa, Evalea sabulosa (Suter, 1908)
sacyi, Chrysallida sacyi (Cossmann & Peyrot, 1917) † (FOSSIL)
sagamiana, Megastomia sagamiana (Nomura, 1937)
sagamiana, Parthenina sagamiana (Yokoyama, 1922)
sagamiana, Pselliogyra sagamiana Yokoyama, 1922 - syn of: Parthenina sagamiana (Yokoyama, 1922)
sagamiensis, Aartsenia sagamiensis (Kuroda & Habe, 1971)
saginata, Amaura saginata Böhm, 1895 † - syn of: Pachycrommium saginata (Böhm, 1895) † (FOSSIL)
saitoi, Turbonilla saitoi Nomura, 1936
salinasensis, Odostomia salinasensis Bartsch, 1928
salomonensis, Turbonilla salomonensis Peñas & Rolán, 2010
samadiae, Turbonilla samadiae Peñas & Rolán, 2010
sanctaehelenae, Pyramidella sanctaehelenae (Smith, 1890)
sanctorum, Odostomia sanctorum Dall & Bartsch, 1909
sandbergeri, Syrnola sandbergeri (Bosquet, 1859) † (FOSSIL)
sandoi, Turbonilla sandoi (Nomura, 1938)
sandoi, Chemnitzia sandoi Nomura, 1938 - syn of: Turbonilla sandoi (Nomura, 1938)
sanetomoi, Odostomia sanetomoi Nomura, 1938
sanguis, Linopyrga sanguis Laws, 1941 † (FOSSIL)
sanjuanensis, Odostomia sanjuanensis Bartsch, 1920
sanjuani, Turbonilla sanjuani Peñas & Rolán, 2010
sanmatiensis, Turbonilla sanmatiensis De Castellanos, 1982
sansibarica, Turbonilla sansibarica Thiele, 1925
santaisabelensis, Pyrgulina santaisabelensis Peñas & Rolán, 2017
santamariana, Turbonilla santamariana Bartsch, 1917
santamariensis, Odostomia santamariensis Bartsch, 1917
santamarioana, Turbonilla santamarioana Bartsch, 1917 - syn of: Turbonilla santamariana Bartsch, 1917
santarosana, Turbonilla santarosana Dall & Bartsch, 1909
santodomingensis, Odostomia santodomingensis Pilsbry & Johnson, 1917
santosana, Turbonilla santosana (Dall & Bartsch, 1909)
saotomensis, Pseudoscilla saotomensis Peñas & Rolán, 1999
sapia, Odostomia sapia Dall & Bartsch, 1909 - syn of: Boonea cincta (Carpenter, 1864)
sarmatica, Moesia sarmatica Jekelius, 1944 † (FOSSIL)
sarsi, Chrysallida sarsi Nordsieck, 1972
sartonoi, Parodostomia sartonoi Robba, 2013 † (FOSSIL)
sasagensis, Odostomia sasagensis Nomura, 1939 † (FOSSIL)
satistriata, Pyrgulina satistriata Peñas & Rolán, 2017
satura, Odostomia satura Carpenter, 1864
saurini, Megastomia saurini (Corgan & Van Aartsen, 1998)
saurini, Bacteridiella saurini Robba, 2013 † (FOSSIL)
saurini, Chrysallida saurini Robba, Di Geronimo, Chaimanee & al., 2004
scabra, Eucharilda scabra (Adams, 1860)
scala, Turbonilla scala (Laws, 1937)
scalaeformis, Turbonilla scalaeformis Peñas & Rolán, 2010
scalariformis, Odostomia scalariformis Carpenter, 1857
scalariformis, Dunkeria scalariformis de Folin, 1887 - syn of: Papuliscala praelonga (Jeffreys, 1877)
scalariformis, Turbonilla scalariformis Thiele, 1930
scalarina, Odostomia scalarina Gould, 1861
scalaris, Odostomia scalaris (Macgillivray, 1843) - syn of: Brachystomia scalaris (Macgillivray, 1843)
scalaris, Brachystomia scalaris (Macgillivray, 1843)
scalaris, Turbonilla scalaris Martin, 1884 † - syn of: Pyrgiscus martini Robba, 2013 † (FOSSIL)
scalaris, Eulimella scalaris Peñas & Rolán, 2016
scalaris, Dunkeria scalaris Philippi, 1836 - syn of: Pyrgiscus jeffreysii (Jeffreys, 1848)
scalaris, Odostomia scalaris Philippi, 1836 - syn of: Pyrgiscus jeffreysii (Jeffreys, 1848)
scalaris, Turbonilla scalaris Vélain, 1877
scalaris dentata, Dunkeria scalaris dentata Nordsieck, 1972 - syn of: Pyrgulina maiae (Hornung & Mermod, 1924)
scalaris jeffreysii, Odostomia scalaris jeffreysii Jeffreys, 1848 - syn of: Pyrgiscus jeffreysii (Jeffreys, 1848)
scalaris nitida, Odostomia scalaris nitida Alder, 1844 - syn of: Brachystomia scalaris (Macgillivray, 1843)
scalaroides, Turbonilla formosa scalaroides Nordsieck
scalarum, Parthenina scalarum Peñas & Rolán, 2017
scaliformis, Chemnitzia scaliformis Thiele, 1930
scalina, Odostomia scalina Adams, 1860
scaliola, Turbonilla scaliola Adams, 1860
scalpidens, Turbonilla scalpidens (Watson, 1886)
scammonensis, Turbonilla scammonensis Bartsch, 1912
scandens, Ondina scandens (Monterosato, 1884)
scandens farolita, Evalea scandens farolita Nordsieck, 1972 - syn of: Ondina scandens (Monterosato, 1884)
scapulata, Pyrgulina scapulata Peñas & Rolán, 2017
scapulata, Turbonilla scapulata Pimenta & Absalão, 2004
scarabinoi, Turbonilla scarabinoi Peñas & Rolán, 2010
schanderi, Longchaeus schanderi Van Aartsen, Gittenberger & Goud, 1998 - syn of: Pyramidella inopinata (Schander, 1994)
schepmani, Longchaeus schepmani Robba, 2013 † (FOSSIL)
schlumbergeri, Turbonilla schlumbergeri Dautzenberg & Fischer, 1896
schlumbergeri continentalis, Eulimella schlumbergeri continentalis Nordsieck, 1972 - syn of: Eulimella acicula (Philippi, 1836)
schmitti, Turbonilla schmitti Bartsch, 1917
schrami, Odostomia schrami Van Aartsen, Gittenberger & Goud, 1998
schroederi, Turbolidium schroederi (Wissema, 1947) † (FOSSIL)
scillae, Eulimella scillae (Scacchi, 1835)
scillae compactilis, Odostomia scillae compactilis Jeffreys, 1867 - syn of: Eulimella acicula (Philippi, 1836)
scintillans, Eulimella scintillans Adams, 1861 - syn of: Ebala scintillans (Adams, 1861)
scita, Eulimella scita Peñas & Rolán, 2016
scitula, Pyramidella scitula (Adams, 1854)
scitula, Turbonilla scitula (Adams, 1861)
scopulorum, Miralda scopulorum (Watson, 1886)
scotica, Odostomia scotica Winckworth, 1932 - syn of: Megastomia conoidea (Brocchi, 1814)
scripta, Ebalina scripta Peñas & Rolán, 2016
scripta, Pyrgulina scripta Van Aartsen & Corgan, 1996
scrobiculata, Turbonilla scrobiculata (Yokoyama, 1922)
scrobiculata, Paramormula scrobiculata Yokoyama, 1922 - syn of: Turbonilla scrobiculata (Yokoyama, 1922)
sculptatissima, Pyrgulina sculptatissima Dautzenberg, 1912 - syn of: Liamorpha elegans (de Folin, 1870)
sculptilis, Turbonilla sculptilis Adams, 1860
sculptilis, Syrnola sculptilis Laws, 1937 † (FOSSIL)
sculptulata, Oscilla sculptulata Peñas & Rolán, 2017
sculpturata, Turbonilla sculpturata Oliver, 1915 - syn of: Graphis sculpturata (Oliver, 1915)
sculpturata, Turbonilla sculpturata Turton, 1932 - syn of: Pyrgulina scripta Van Aartsen & Corgan, 1996
scymnocelata, Boonea scymnocelata Pimenta, Absalão & Miyaji, 2009
sealei, Turbonilla sealei Strong & Hertlein, 1939
seamounti, Chrysallida seamounti Peñas & Rolán, 1999
sebastiani, Turbonilla sebastiani Bartsch, 1917
secernenda, Turbonilla secernenda Dautzenberg, 1912
secernenda, Cingulina secernenda Melvill, 1918
secta, Asmunda secta (Saurin, 1958)
secta, Asmunda secta Saurin, 1958 - syn of: Asmunda secta (Saurin, 1958)
secunda, Nesiodostomia secunda (Pilsbry, 1917)
secunda, Lacrimiforma secunda (Wade, 1926) † (FOSSIL)
secunda, Tropeas secunda Saurin, 1959 - syn of: Doliella nitens (Jeffreys, 1870)
secura, Turbonilla secura Dall & Bartsch, 1906
sedillina, Turbonilla sedillina Dall & Bartsch, 1904
seguenzai, Odostomia seguenzai Pallary, 1912 - syn of: Trabecula jeffreysiana (Monterosato, 1884)
seguenzai, Chrysallida seguenzai Pallary, 1912 - syn of: Trabecula jeffreysiana (Monterosato, 1884)
selandica, Odostomia selandica Ravn, 1933 † (FOSSIL)
sematana, Turbonilla sematana Yokoyama, 1922
semela, Turbonilla semela Bartsch, 1924
semen, Eulimella semen Peñas & Rolán, 2016
semenformis, Perheida semenformis Peñas & Rolán, 2017 † (FOSSIL)
semiaurea, Colsyrnola semiaurea Peñas & Rolán, 2016
semicanaliculata, Pyramidella semicanaliculata Maury, 1917 - syn of: Longchaeus suturalis (Lea, 1843)
semicolorata, Turbonilla semicolorata Yokoyama, 1927
semiconcava, Tibersyrnola semiconcava (Marshall & Murdoch, 1919) † (FOSSIL)
semicostata, Odostomia semicostata Brown, 1905 † (FOSSIL)
semicostata, Tiberia semicostata Saurin, 1962
semiglabra, Turbonilla semiglabra Clessin, 1902
semilaevigata, Turbonilla semilaevigata (Laws, 1937) † (FOSSIL)
seminuda, Boonea seminuda (Adams, 1839)
seminuda, Odostomia seminuda Auct. non Adams, 1839 - syn of: Chrysallida minutissima (Dautzenberg & Fischer, 1906)
semiornata, Evalea semiornata de Folin, 1872 - syn of: Ondina warreni (Thompson, 1845)
semiplicata, Siogamaia semiplicata (Turton, 1932)
semiplicata, Chrysallida semiplicata Adams, 1860
semipunctata, Chrysallida semipunctata Nomura, 1937
semireticulata, Chrysallida semireticulata Sorgenfrei, 1958 † (FOSSIL)
semisculpta, Odostomia semisculpta Morretes, 1949
semistriata, Pyrgiscus semistriata (Saurin, 1962)
semistriata, Turbonilla semistriata (Wood, 1879) † (FOSSIL)
senegalensis, Turbonilla senegalensis Maltzan, 1885
senex, Pyrgulina senex Hedley, 1902
senistriata, Pyrgiscus senistriata Wood, 1877 † (FOSSIL)
separabilis, Turbonilla separabilis Laws, 1937 † (FOSSIL)
septentrionalis, Odostomia septentrionalis Dall & Bartsch, 1909
serenei, Megastomia serenei (Saurin, 1959)
sergei, Parthenina sergei (Nofroni & Schander, 1994)
sericea, Turbonilla sericea de Folin & Périer, 1868 - syn of: Ebala sericea (de Folin & Périer, 1868)
sericea, Colsyrnola sericea Iredale, 1929
serilla, Odostomia serilla Dall & Bartsch, 1909
serotina, Tibersyrnola serotina (Adams, 1863)
serotinum, Styloptygma serotinum Adams, 1863 - syn of: Tibersyrnola serotina (Adams, 1863)
serrae, Turbonilla serrae Dall & Bartsch, 1907
setoutiensis, Odostomia setoutiensis Nomura, 1939
sexsulcata, Menestho sexsulcata Nomura, 1936
sextona, Chrysallida sextona (Cossmann & Peyrot, 1917) † (FOSSIL)
shataii, Menestho shataii Nomura, 1936
shelaghae, Eulimella shelaghae Van Aartsen, Gittenberger & Goud, 2000
sherriffi, Odostomia sherriffi Hutton, 1882 † (FOSSIL)
shibana, Parthenina shibana (Yokoyama, 1927)
shigeohorii, Turbonilla shigeohorii Peñas & Rolán, 2010
shigeyasui, Pyrgulina shigeyasui (Yokoyama, 1927)
shimeki, Turbonilla shimeki Dall & Bartsch, 1909
shimosensis, Odostomia shimosensis Yokoyama, 1922
shuyakensis, Turbonilla shuyakensis Bartsch, 1927
siamensis, Pyrgiscus siamensis (Saurin, 1962)
siamensis, Eulimella siamensis Robba, Di Geronimo, Chaimanee & al., 2004
sibana, Chrysallida sibana (Yokoyama, 1927)
sibogae, Eulimella sibogae Schepman, 1909
sicula, Odostomia sicula Philippi, 1851 - syn of: Megastomia conoidea (Brocchi, 1814)
sigma, Chrysallida sigma (Hedley, 1907)
sigmoidea, Turbonilla sigmoidea (Jeffreys, 1884)
sigmoidea, Chrysallida sigmoidea (Monterosato, 1880)
signae, Turbonilla signae Dall & Bartsch, 1909
silesui, Odostomia silesui Nofroni, 1988
sileusi, Odostomia sileusi Nofroni, 1988 - syn of: Odostomia silesui Nofroni, 1988
sillana, Odostomia sillana Dall & Bartsch, 1909
silvai, Pyrgiscus silvai Landau & LaFollette, 2015
silvestri, Chrysallida silvestri Aradas & Benoit, 1870 - syn of: Chrysallida emaciata (Brusina, 1866)
silvii, Asmunda silvii Saurin, 1959
simemacula, Megastomia simemacula (Laws, 1940) † (FOSSIL)
similans, Turbonilla similans Smith, 1903
similebala, Eulimella similebala Peñas & Rolán, 1999
simileulimella, Turbonilla simileulimella Peñas & Rolán, 2010
similis, Chemnitzia similis (Laseron, 1951)
similis, Tiberia similis (Thiele, 1925)
similiter, Ebalina similiter Peñas & Rolán, 2016
simillima, Odostomia simillima (Montagu, 1803)
similminuta, Eulimella similminuta Peñas & Rolán, 1997
similtiberia, Turbonilla similtiberia Peñas & Rolán, 2010
simokitana, Pyrgulina simokitana (Nomura, 1939)
simplex, Agatha simplex (Angas, 1871)
simplex, Megastomia simplex (Angas, 1871)
simplex, Eulimella simplex (D'Orbigny, 1841)
simplex, Turbonilla simplex Deshayes, 1874
simplex, Odostomia simplex Lea, 1843 † (FOSSIL)
simpsoni, Turbonilla simpsoni Dall & Bartsch, 1909
simulans, Chrysallida simulans (Chaster, 1898)
simulans, Syrnola simulans Peñas & Rolán, 2016
sinaloana, Turbonilla sinaloana Strong, 1949
sindangbaranensis, Turbonilla sindangbaranensis Martin, 1906 † (FOSSIL)
sinensis, Turbonilla sinensis Pimenta & Absalão, 1998
sinensis, Turbonilla sinensis Sowerby, 1894
singularis, Waikura singularis Lozouet, 1998 † (FOSSIL)
singularis, Turbonilla singularis Peñas & Rolán, 2010
singularis, Streptocionella singularis Pfeffer, 1886
sinhila, Turbonilla sinhila Preston, 1905
sinuata, Monotygma sinuata (Gould, 1861)
sinuata, Eulimella sinuata Van Aartsen, Gittenberger & Goud, 1998
sinuosa, Turbonilla sinuosa (Jeffreys, 1884)
sinus, Linopyrga sinus (Saurin, 1959)
siogamaensis, Odostomia siogamaensis Nomura, 1936
siogamaensis andoi, Odostomia siogamaensis andoi Nomura, 1938
siogamensis, Turbonilla siogamensis (Nomura, 1936)
siogamensis, Chemnitzia siogamensis Nomura, 1936 - syn of: Turbonilla siogamensis (Nomura, 1936)
sirena, Turbonilla sirena Bartsch, 1927
sitioi, Turbonilla sitioi (Nomura, 1936)
sitioi, Chemnitzia sitioi Nomura, 1936 - syn of: Turbonilla sitioi (Nomura, 1936)
sitirigahamana, Odostomia sitirigahamana Nomura, 1938
sitirighamana, Megastomia sitirighamana (Nomura, 1938)
sitiroi, Odostomia sitiroi Nomura, 1937
sitizoi, Miralda sitizoi (Nomura, 1937)
sitkaensis, Odostomia sitkaensis Clessin, 1900
siva, Syrnola siva Yokoyama, 1922
sixtoi, Chrysallida sixtoi Peñas & Rolán, 1998
skidegatensis, Odostomia skidegatensis Bartsch, 1912
smithi, Turbonilla smithi Strebel, 1905 - syn of: Turbonilla strebeli Corgan, 1969
smithi, Pyramidella smithi Verrill, 1881 - syn of: Turbonilla unifasciata (Carpenter, 1857)
smithii, Eulimella smithii (Verrill, 1880)
smithsoni, Turbonilla smithsoni Dall & Bartsch, 1909
soceni, Moesia soceni Jekelius, 1944 † (FOSSIL)
socorroensis, Odostomia socorroensis Dall & Bartsch, 1909 - syn of: Odostomia tenuisculpta Carpenter, 1864
solanderiana, Syrnola solanderiana Laseron, 1959
solidissima, Turbonilla solidissima (Nomura, 1936)
solidissima, Chemnitzia solidissima Nomura, 1936 - syn of: Turbonilla solidissima (Nomura, 1936)
solidula, Syrnola solidula (Dunker, 1860)
solidula, Odostomia solidula Adams, 1850
solita, Eulimella solita Peñas, Rolán & Swinnen, 2014
solitaria, Costosyrnola solitaria Laws, 1937 † (FOSSIL)
solomonensis, Turbonilla solomonensis Peñas & Rolán, 2010
solomonensis, Eulimella solomonensis Peñas & Rolán, 2016
solomonensis, Syrnola solomonensis Peñas & Rolán, 2016
solomonensis, Eurathea solomonensis Peñas & Rolán, 2017
solomonensis, Oscilla solomonensis Peñas & Rolán, 2017
solomonensis, Parthenina solomonensis Peñas & Rolán, 2017
solomonensis, Rissopsetia solomonensis Peñas & Rolán, 2017
soluta, Odostomia soluta Gould, 1861
somaliensis, Tiberia somaliensis (Thiele, 1925)
somersi, Oscilla somersi (Verrill & Bush, 1900)
somersi, Odostomia somersi Verrill & Bush, 1900 - syn of: Oscilla somersi (Verrill & Bush, 1900)
somsaki, Sinuatodostomia somsaki Robba, Di Geronimo, Chaimanee & al., 2004
soniliana, Turbonilla soniliana Hertlein & Strong, 1951
sordida, Odostomia sordida (Lea, 1842)
sordida, Turbonilla sordida Nomura, 1936
sorenseni, Odostomia sorenseni Strong, 1949
sorianoi, Odostomia sorianoi Peñas & Rolán, 2006
sororia, Turbonilla sororia Melvill, 1896
soteloi, Miralda soteloi Rolán, 1994
southlandica, Parodostomia southlandica (Laws, 1940) † (FOSSIL)
sowerbyi, Visma sowerbyi (Van Aartsen & Corgan, 1996)
sowerbyi, Eulimella sowerbyi Van Aartsen & Corgan, 1996 - syn of: Visma sowerbyi (Van Aartsen & Corgan, 1996)
spatha, Gispyrella spatha Laws, 1937 † (FOSSIL)
speciosa, Monotygma speciosa Adams, 1853 - syn of: Leucotina speciosa (Adams, 1853)
speciosa, Paramormula speciosa Adams, 1860 - syn of: Pyrgiscus speciosus (Adams, 1860)
speciosa, Pyrgiscilla speciosa Adams, 1860 - syn of: Pyrgiscus speciosus (Adams, 1860)
speciosus, Pyrgiscus speciosus (Adams, 1860)
spectabilis, Pyrgostelis spectabilis Monterosato, 1884 - syn of: Turbonilla rufa (Philippi, 1836)
speighti, Turbonilla speighti Laws, 1937 † (FOSSIL)
speira, Turbonilla speira (Ravenel, 1859)
sperabilis, Odostomia sperabilis Hedley, 1909
sphaerica, Noemiamea sphaerica (Saurin, 1959)
spicularis, Eulimella spicularis Peñas & Rolán, 2016
spiculiformae, Parthenina spiculiformae Peñas & Rolán, 2017
spiculoides, Turbonilla spiculoides Cossmann & Peyrot, 1917 † (FOSSIL)
spiculum, Turbonilla spiculum (Eichwald, 1853) † (FOSSIL)
spifunifortis, Pyrgulina spifunifortis Peñas & Rolán, 2017
spina, Cingulina spina (Crosse & Fischer, 1864)
spina, Syrnola spina (Deshayes, 1824) † (FOSSIL)
spiniformis, Syrnola spiniformis Peñas & Rolán, 2016
spinosula, Folinella spinosula Micali, 1992 † (FOSSIL)
spinosus, Syrnola spinosus Wade, 1926
spiralis, Chrysallida spiralis (Laseron, 1959)
spiralis, Spiralinella spiralis (Montagu, 1803)
spiralis, Morrisonietta spiralis Brandt, 1968
spiralis coarctata, Spiralinella spiralis coarctata (Marshall, 1891)
spiralis coarctata, Chrysallida spiralis coarctata Marshall, 1891 - syn of: Spiralinella spiralis coarctata (Marshall, 1891)
spirarum, Rissopsetia spirarum Peñas & Rolán, 2017
spirata, Mumiola spirata (Adams, 1860)
spiridionae, Evalea spiridionae Nordsieck, 1972 - syn of: Ondina vitrea (Brusina, 1866)
spissa, Pyrgulina spissa (Laseron, 1959)
splendida, Noemiamea splendida (de Folin, 1872)
splendida, Exesilla splendida (Martin, 1884) † (FOSSIL)
spreadboroughi, Odostomia spreadboroughi Dall & Bartsch, 1910
squarrosula, Eulimella squarrosula Melvill, 1918
standeni, Pyrgulina standeni (Dautzenberg & Fischer, 1906)
standeni, Standeniella standeni Dautzenberg & Fischer, 1906 - syn of: Pyrgulina standeni (Dautzenberg & Fischer, 1906)
stearnsiella, Odostomia stearnsiella Pilsbry, 1918
stearnsii, Turbonilla stearnsii Dall & Bartsch, 1903
stefanisi, Chrysallida stefanisi (Jeffreys, 1869)
stefanoi, Bulimoscilla stefanoi Robba, 2013 † (FOSSIL)
stegastris, Turbonilla stegastris Melvill & Standen, 1901
stelleri, Turbonilla stelleri Bartsch, 1927
stenogyra, Turbonilla stenogyra Dall & Bartsch, 1909
stephanogyra, Turbonilla stephanogyra Dall & Bartsch, 1909
stephensae, Odostomia stephensae Dall & Bartsch, 1909
sternerea, Hinemoa sternerea Laseron, 1959
stillmani, Turbonilla stillmani Smith & Gordon, 1948
stimpsoni, Turbonilla stimpsoni Bush, 1899
stipes, Turbonilla stipes (Laws, 1937)
stirps, Puposyrnola stirps Laws, 1937 † (FOSSIL)
stocki, Evalea stocki De Jong & Coomans, 1988
stonei, Turbonilla stonei Strong & Hertlein, 1939
stoneleighana, Turbonilla stoneleighana Laws, 1937 † (FOSSIL)
strebeli, Turbonilla strebeli Corgan, 1969
striata, Odostomia striata (Verrill, 1880)
striata, Eulimella striata de Folin, 1870 - syn of: Ebala nitidissima (Montagu, 1803)
striata, Monotygma striata Gray, 1847
striata, Exesilla striata Robba, 2013 † (FOSSIL)
striatissima, Eulimella striatissima Peñas & Rolán, 2016
striatissima, Marginodostomia striatissima Robba, Di Geronimo, Chaimanee & al., 2004
striatula, Syrnola striatula (Adams, 1854)
striatula, Eulimella striatula Jeffreys, 1856 - syn of: Ebala striatula (Jeffreys, 1856)
striatula, Syrnola striatula Jeffreys, 1856 - syn of: Ebala striatula (Jeffreys, 1856)
striatula, Turbonilla striatula Linnaeus, 1758 † - syn of: Pyrgostylus striatulus (Linnaeus, 1758) † (FOSSIL)
striatula lactea, Turbonilla striatula lactea Linnaeus, 1758 - syn of: Turbonilla lactea (Linnaeus, 1758)
striatulus, Pyrgostylus striatulus (Linnaeus, 1758) † (FOSSIL)
stricta, Turbonilla stricta Clessin, 1902 - syn of: Turbonilla sinensis Pimenta & Absalão, 1998
stricta, Odostomia stricta Laseron, 1951
stricta, Turbonilla stricta Pallary, 1904 - syn of: Turbonilla pumila Seguenza, 1876
strigatula, Pyramidella strigatula Adams, 1863 - syn of: Tropaeas strigulata (Adams, 1863)
strigillata, Tropaeas strigillata (Adams, 1862)
strigulata, Tropaeas strigulata (Adams, 1863)
striolata, Odostomia striolata Forbes & Hanley, 1850
striosa, Turbonilla striosa (Adams, 1852)
strongi, Odostomia strongi Bartsch, 1927
strongi, Turbonilla strongi Willett, 1931
strufaldii, Ondina strufaldii Peñas & Rolán, 1999
studeri, Turbonilla studeri Hornung & Mermod, 1924
stupa, Chrysallida stupa Hori & Fukuda, 1999
stylifera, Tropaeas stylifera Thiele, 1925
styliformis, Careliopsis styliformis (Mörch, 1875)
stylina, Turbonilla stylina (Carpenter, 1864)
suavis, Menestho suavis Nomura, 1936
suavissima, Pyramidella suavissima Preston, 1905
subangulata, Marginodostomia subangulata (Adams, 1860)
subangulata, Bartschella subangulata (Carpenter, 1857)
subangulata, Odostomia subangulata Adams, 1860 - syn of: Marginodostomia subangulata (Adams, 1860)
subangulata, Creonella subangulata Sohl, 1964 † (FOSSIL)
subattenuata, Quirella subattenuata Peñas & Rolán, 2017
subcancellata, Turbonilla subcancellata Turton, 1932
subcarina, Megastomia subcarina (Laseron, 1951)
subcarnea, Tropaeas subcarnea (Schepman, 1909)
subcinctella, Syrnola subcinctella Nomura, 1936
subconica, Turbonilla subconica Turton, 1932
subcostata, Megastomia subcostata (Saurin, 1959)
subcurvata, Eulimella subcurvata Peñas & Rolán, 2016
subcylindrata, Eulimella subcylindrata Dunker, 1862 - syn of: Eulimella acicula (Philippi, 1836)
subcylindrica, Syrnola subcylindrica (Philippi, 1843) † (FOSSIL)
subcylindrica, Eulimella subcylindrica Dunker, 1862 - syn of: Eulimella acicula (Philippi, 1836)
subcylindrica, Turbonilla subcylindrica Schepman, 1909
subdelia, Turbonilla subdelia Saurin, 1959
subdiaphana, Odostomia subdiaphana Adams, 1860
subdolabrata, Pyramidella subdolabrata (Mörch, 1854)
subdotella, Odostomia subdotella Hertlein & Strong, 1951
subemarginata, Chemnitzia subemarginata de Folin & Périer, 1879
subglabra, Pyramidella subglabra Odhner, 1919
subglobosa, Odostomia subglobosa Bartsch, 1912
subincurvata, Eulimella subincurvata Peñas & Rolán, 2016
sublaevis, Careliopsis sublaevis Saurin, 1958
sublimis, Sinuatodostomia sublimis Maxwell, 1992 † (FOSSIL)
sublimpida, Odostomia sublimpida Yokoyama, 1920
sublirulata, Odostomia sublirulata Carpenter, 1857
sublustris, Chrysallida sublustris (Friele, 1886)
submarginata occidentalis, Odostomia submarginata occidentalis Gougerot, 1981 † - syn of: Brachystomia occidentalis (Gougerot, 1981) † (FOSSIL)
subnodosa, Miralda subnodosa Peñas & Rolán, 2017
suboblonga, Odostomia suboblonga Jeffreys, 1884
subobtusa, Eulimella subobtusa Peñas & Rolán, 2016
suboxia, Odostomia suboxia Yokoyama, 1920
suboxioides, Odostomia suboxioides Nomura, 1936
subplanicostata, Pyrgolampros subplanicostata Nomura, 1936 - syn of: Turbonilla subplanicostata Yokoyama, 1927
subplanicostata, Turbonilla subplanicostata Yokoyama, 1927
subrugata, Besla subrugata (Powell, 1927)
subscalaris, Eulimella subscalaris Peñas & Rolán, 2016
subscripta, Megastomia subscripta (Schander, 1994)
subscripta, Odostomia subscripta Schander, 1994 - syn of: Megastomia subscripta (Schander, 1994)
substitua, Odostomia substitua Dautzenberg & Bouge, 1933
substriata, Turbonilla substriata (Adams, 1850)
subtantilla, Chrysallida subtantilla Golikov, 1967
subtilissima, Turbonilla subtilissima Dautzenberg, 1912
subtilistriae, Miralda subtilistriae Peñas & Rolán, 2017
subturrita, Odostomia subturrita Dall & Bartsch, 1909
subula, Turbonilla subula Mörch, 1859
subulata, Tropaeas subulata (Adams, 1854)
subulata, Cingulina subulata Clessin, 1900
subulata, Evalea subulata Nordsieck, 1972 - syn of: Ondina scandens (Monterosato, 1884)
subuliformis, Syrnola subuliformis (Adams, 1863)
subulina, Turbonilla subulina Monterosato, 1889
subvaricosa, Odostomia subvaricosa Deshayes, 1861 † (FOSSIL)
sudis, Eulimella sudis Peñas & Rolán, 1999
suesakiensis, Odostomia suesakiensis Nomura, 1938
suezakiensis, Odostomia suezakiensis Nomura, 1936
sulacana, Turbonilla sulacana Hertlein & Strong, 1951
sulcata, Evalea sulcata (Adams, 1860)
sulcata, Odetta sulcata (de Folin, 1870)
sulcata, Pyramidella maculosa sulcata Adams in Sowerby
sulcata, Pyramidella sulcata Adams, 1854 - syn of: Pyramidella maculosa sulcata Adams in Sowerby, 1854
sulcata, Pyramidella sulcata Adams, 1855 † (FOSSIL)
sulcata, Euparthenia bulinea sulcata Bucquoy, Dautzenberg & Dollfus
sulcata, Menestho sulcata de Folin, 1870
sulcata, Odostomia sulcata Garrett, 1873 - syn of: Turbonilla garrettiana Dall & Bartsch, 1906
sulcata, Odostomia sulcata Hutton, 1885 - syn of: Leucotina casta (Adams, 1853)
sulcata, Exesilla sulcata Laseron, 1959
sulcata, Levipyrgulina sulcata Laws, 1941 † (FOSSIL)
sulcata, Menestho sulcata Verrill, 1880 - syn of: Menestho albula (Fabricius, 1780)
sulcatella, Chrysallida sulcatella Corgan & Van Aartsen, 1998
sulcibasis, Oscilla sulcibasis Peñas & Rolán, 2017
sulcifera, Megastomia sulcifera (Smith, 1872)
sulcifera, Syrnola sulcifera Laws, 1937 † (FOSSIL)
sulcosa, Odostomia sulcosa (Mighels, 1843)
sultana, Turbonilla sultana Thiele, 1925
sumatrana, Menesthella sumatrana (Thiele, 1925)
sumatrana, Costabieta sumatrana Thiele, 1925 - syn of: Menesthella sumatrana (Thiele, 1925)
sumatrensis, Dunkeria sumatrensis Clessin, 1900
summafulgens, Turbonilla summafulgens Peñas & Rolán, 2010
sumneri, Turbonilla sumneri Bartsch, 1909
suoana, Boonea suoana Hori & Nakamura, 1999
superans, Goniodostomia superans (Pilsbry & Johnson, 1917) † (FOSSIL)
superans, Odostomia superans Pilsbry & Johnson, 1917 - syn of: Goniodostomia superans (Pilsbry & Johnson, 1917) †
superata, Turbonilla hamata superata Nordsieck
superba, Turbonilla superba Dall & Bartsch, 1909
superba, Miralda superba Rolán & Fernandes, 1993
superflua, Eulimella superflua (Monterosato, 1875)
suprafila, Quirella suprafila Laseron, 1959
supramarginata, Megastomia supramarginata (Saurin, 1959)
supramarginata, Nisiturris supramarginata Robba, 2013 † (FOSSIL)
supramirabilis, Turbonilla supramirabilis (Nomura, 1936)
supramirabilis, Chemnitzia supramirabilis Nomura, 1936 - syn of: Turbonilla supramirabilis (Nomura, 1936)
supramisella, Ptycheulimella supramisella (Nomura, 1938)
suprasculpta, Miralda suprasculpta (Tenison-Woods, 1878)
suprasulcata, Odostomia suprasulcata Peñas & Rolán, 1999
surinamense, Eulimastoma surinamense Van Regteren Altena, 1975
sursumnodosa, Turbonilla sursumnodosa Peñas & Rolán, 2010
susakiensis, Syrnola susakiensis Nomura, 1939
susanna, Nisipyrgiscus susanna (Thiele, 1925)
susomendezi, Turbonilla susomendezi Peñas & Rolán, 1997
suta, Odostomia suta Pilsbry, 1918 - syn of: Chrystella suta (Pilsbry, 1918)
suteri, Turbonilla suteri Powell, 1926
suttonensis, Menestho suttonensis Wood, 1882 † (FOSSIL)
sutuproelon, Syrnola sutuproelon Peñas & Rolán, 2016
suturabrevis, Turbonilla suturabrevis Peñas & Rolán, 2010
suturalis, Monotygma suturalis (Adams, 1853)
suturalis, Longchaeus suturalis (Lea, 1843)
suturalis, Parthenina suturalis (Philippi, 1844)
suturalis borealis, Longchaeus suturalis borealis Nordsieck, 1972
suturamarginata, Marginodostomia suturamarginata (Nomura, 1936)
suva, Turbonilla suva Peñas & Rolán, 2010
suzanna, Nisipyrgiscus suzanna Thiele, 1925 - syn of: Nisipyrgiscus susanna (Thiele, 1925)
suzettae, Miralda suzettae Saurin, 1959
swalloviana, Chemnitzia swalloviana Shumard, 1859 † - syn of: Zygopleura swalloviana (Shumard, 1859) † (FOSSIL)
swallowiana, Turbonilla swallowiana Geinitz, 1866 † - syn of: Royalella swallowiana (Geinitz, 1866) † (FOSSIL)
swani, Turbonilla swani Dall & Bartsch, 1909
swetti, Odostomia swetti Strong & Hertlein, 1939
swiftii, Turbonilla swiftii Bush, 1899 - syn of: Turbonilla penistoni Bush, 1899
swinneni, Turbonilla swinneni Peñas & Rolán, 1997
sycophanta, Turbonilla sycophanta (Laws, 1937) † (FOSSIL)
sykesi, Pyrgulina sykesi Dautzenberg & Fischer, 1906
sykesii, Turbonilla sykesii Melvill, 1910
sympiesta, Kleinella sympiesta Jeffreys, 1883
syrnoliformis, Ptycheulimella syrnoliformis (Nomura, 1938)
syrnoloides, Odostomia syrnoloides Melvill, 1896
syrnoloides, Eulimella syrnoloides Peñas & Rolán, 2016
syrtensis, Turbonilla syrtensis Van Aartsen, 1981
syrtites, Odostomia syrtites Pilsbry, 1918 - syn of: Miralda scopulorum (Watson, 1886)
tabulae, Pyrgiscus tabulae (Saurin, 1962)
tabulata, Costosyrnola tabulata Laws, 1937 † (FOSSIL)
tacomaensis, Odostomia tacomaensis Dall & Bartsch, 1907
tacomensis, Odostomia tacomensis Dall & Bartsch, 1907 - syn of: Odostomia tacomaensis Dall & Bartsch, 1907
taeniata, Syrnola taeniata (Adams, 1863)
tahuensis, Mormulasta tahuensis (Laws, 1937) † (FOSSIL)
taiaroa, Pyrgiscus taiaroa (Laws, 1937)
tairyoensis, Turbonilla tairyoensis Nomura, 1938
taiwanensis, Chrysallida taiwanensis Nomura, 1938
takapunaensis, Odostomia takapunaensis Suter, 1908
takasago, Miralda takasago Nomura, 1938
take, Syrnola take Nomura, 1938
takinogawensis, Chrysallida takinogawensis Tokunaga, 1906
takonourana, Siogamaia takonourana (Nomura, 1938)
takonourana, Odostomia takonourana Nomura, 1938 - syn of: Siogamaia takonourana (Nomura, 1938)
talama, Odostomia talama Dall & Bartsch, 1909
talea, Eulimella talea Peñas, Rolán & Swinnen, 2014
talma, Turbonilla talma Dall & Bartsch, 1910
talpa, Odostomia talpa Dall & Bartsch, 1909
tampaensis, Eulimella tampaensis Bartsch, 1955 † (FOSSIL)
tanegasimana, Odostomia tanegasimana Nomura, 1939
tani, Trabecula tani Saurin, 1959
tanquamacus, Turbonilla tanquamacus Peñas & Rolán, 2010
tantilla, Turbonilla tantilla Hornung & Mermod, 1924
tantilloides, Trabecula tantilloides (Nomura, 1938)
tantula, Eulimella tantula Peñas & Rolán, 2016
taravaensis, Pyrgulina taravaensis Peñas & Rolán, 2017
taravali, Odostomia taravali Bartsch, 1917
taroaniara, Turbonilla taroaniara Peñas & Rolán, 2010
tarpeia, Pyramidella tarpeia Bartsch, 1915
tarragai, Turbonilla tarragai Peñas & Rolán, 2010
tasmanica, Oscilla tasmanica (Tenison-Woods, 1876)
tasmanica, Puposyrnola tasmanica (Tenison-Woods, 1877)
tasmanica, Pseudorissoina tasmanica (Tenison-Woods, 1877)
tasmanica, Turbonilla tasmanica Tenison-Woods, 1876
tasmanica, Parthenia tasmanica Tenison-Woods, 1877 - syn of: Hinemoa ligata (Angas, 1877)
tateyamaensis, Pyrgiscus tateyamaensis (Nomura, 1938)
tateyamensis, Turbonilla tateyamensis Nomura, 1938
taumakiensis, Odostomia taumakiensis Suter, 1908
tauranga, Striarcana tauranga Laws, 1937
tawunensis, Besla tawunensis Robba, 2013 † (FOSSIL)
tawunensis, Megastomia tawunensis Robba, 2013 † (FOSSIL)
tawunensis, Turbonilla tawunensis Robba, 2013 † (FOSSIL)
taylori, Turbonilla taylori Dall & Bartsch, 1907
taylori, Turbonilla taylori Hedley, 1909
tecalco, Turbonilla tecalco (Bartsch, 1917)
tefunta, Turbonilla tefunta Bartsch, 1915
tegalensis, Miralda tegalensis Oostingh, 1935
teganumana, Turbonilla teganumana Yokoyama, 1922
tegulata, Turbonilla tegulata Sowerby, 1892
tehuantepecana, Turbonilla tehuantepecana Hertlein & Strong, 1951
tehuantepeeana, Odostomia tehuantepeeana Hertlein & Strong, 1951
telescopium, Odostomia telescopium Carpenter, 1857
telum, Eulimella telum Schander, 1994
tempeii, Oscilla tempeii (Nomura, 1937)
temperata, Miralda temperata Rolán & Fernandes, 1993
templadoi, Turbonilla templadoi Peñas & Rolán, 1997
templaris, Turbonilla templaris Melvill, 1898
templetonis, Turbonilla templetonis Hertlein & Strong, 1951
tenella, Monotygma tenella (Adams, 1853)
tenera, Megastomia tenera (Adams, 1860)
tenerissima, Brachystomia tenerissima (Nomura, 1937)
tenerrima, Pyrgulina tenerrima (Melvill, 1907)
tenpeii, Odetta tenpeii (Nomura, 1937)
tenuicosta, Turbonilla tenuicosta Issel, 1869
tenuicostata, Asmunda tenuicostata (Robba, Di Geronimo, Chaimanee & al., 2004)
tenuicostata, Zaphella tenuicostata Robba, Di Geronimo, Chaimanee & al., 2004 - syn of: Asmunda tenuicostata (Robba, Di Geronimo, Chaimanee & al., 2004)
tenuicula, Turbonilla tenuicula (Gould, 1853)
tenuicula, Menestho tenuicula Nordsieck, 1972 - syn of: Auristomia erjaveciana (Brusina, 1869)
tenuifuniculata, Parthenina tenuifuniculata Peñas & Rolán, 2017
tenuilirata, Turbonilla tenuilirata (Carpenter, 1857)
tenuis, Odostomia tenuis Carpenter, 1857
tenuis, Odostomia tenuis Jeffreys, 1884 - syn of: Megastomia conoidea (Brocchi, 1814)
tenuis, Turbonilla tenuis Pallary, 1904 - syn of: Turbonilla rosewateri Corgan & Van Aartsen, 1993
tenuis, Egilina tenuis Saurin, 1962
tenuis, Eulimella tenuis Sowerby, 1894 - syn of: Visma sowerbyi (Van Aartsen & Corgan, 1996)
tenuisculpta, Iphiana tenuisculpta (Lischke, 1872)
tenuisculpta, Odostomia tenuisculpta Carpenter, 1864
tenuispiralis, Puposyrnola tenuispiralis Maxwell, 1992 † (FOSSIL)
tenuissima, Turbonilla tenuissima Hedley, 1909
tenuistriata, Parthenina tenuistriata Milaschewitsch, 1909 - syn of: Parthenina juliae (de Folin, 1872)
tenuistriata, Chrysallida tenuistriata Milaschewitsch, 1916 - syn of: Parthenina juliae (de Folin, 1872)
tepikiensis, Tibersyrnola tepikiensis (Powell, 1934) † (FOSSIL)
terebellata, Pyramidella terebellata Deshayes, 1825 † - syn of: Pyramidella grateloupi D'Orbigny, 1852 † (FOSSIL)
terebelloides, Pyramidella terebelloides (Adams, 1854)
terebellum, Odostomia terebellum (Adams, 1852)
terebellum, Parthenina terebellum (Philippi, 1844)
terebellum, Pyramidella dolabrata terebellum Müller
terebellum, Pyramidella terebellum Müller, 1774 - syn of: Pyramidella dolabrata terebellum (Müller, 1774)
terebellum, Chemnitzia terebellum Philippi, 1844 - syn of: Parthenina terebellum (Philippi, 1844)
terebellum, Chrysallida terebellum Philippi, 1844 - syn of: Parthenina terebellum (Philippi, 1844)
terebra, Paracingulina terebra (Dunker, 1860)
terebra, Chrysallida terebra Adams, 1861
terebralis, Turbonilla terebralis (Carpenter, 1857)
terebrina, Turbonilla terebrina Melvill, 1896
terebroides, Puposyrnola terebroides (Kuroda & Kawamoto, 1956)
teres, Tropaeas teres (Adams, 1854)
teres, Odostomia teres Bush, 1885 - syn of: Eulimastoma engonium (Bush, 1885)
teres, Eulimastoma teres Bush, 1885 - syn of: Eulimastoma engonium (Bush, 1885)
teres, Waikura teres Marwick, 1965 † (FOSSIL)
teresae, Parodostomia teresae Robba, 2013 † (FOSSIL)
teresiana, Chrysallida teresiana Aradas & Benoit, 1870
teretiuscula, Syrnola teretiuscula Adams, 1860
terissa, Odostomia terissa Pilsbry & Lowe, 1932
terminuslevis, Turbonilla terminuslevis Peñas & Rolán, 2010
terrieula, Odostomia terrieula Dall & Bartsch, 1903
terryi, Ivara terryi (Olsson & McGinty, 1958)
terryi, Odostomia terryi Olsson & McGinty, 1958 - syn of: Ivara terryi (Olsson & McGinty, 1958)
terryi, Miralda terryi Olsson & McGinty, 1958 - syn of: Ivara terryi (Olsson & McGinty, 1958)
terryi, Chrysallida terryi Olsson & McGinty, 1958 - syn of: Ivara terryi (Olsson & McGinty, 1958)
tertia, Nesiodostomia tertia (Pilsbry, 1918)
tesselata, Mumiola tesselata (Adams, 1863)
tessellata, Pyramidella maculosa tessellata Adams in Sowerby
tessellata, Pyramidella tessellata Adams, 1854 - syn of: Pyramidella maculosa tessellata (Adams in Sowerby, 1854)
testiculus, Odostomia testiculus Peñas & Rolán, 1999
textilis, Turbonilla textilis (Kurtz, 1860)
textilisculpta, Pyrgulina textilisculpta Peñas & Rolán, 2017
textus, Stylopsis textus de Folin & Périer, 1879
thaanumi, Turbonilla thaanumi Pilsbry & Vanatta, 1908
thachi, Turbonilla thachi (Saurin, 1959)
thaii, Tiberia thaii Saurin, 1959
thailandica, Costosyrnola thailandica Robba, Di Geronimo, Chaimanee & al., 2004
thakombau, Turbonilla thakombau Peñas & Rolán, 2010
thalensis, Eulimella thalensis Robba, Di Geronimo, Chaimanee & al., 2004
thalia, Odostomia thalia Bartsch, 1912
thea, Odostomia thea Bartsch, 1912
thelma, Syrnola thelma Dall, 1913 † (FOSSIL)
thelxinoa, Pyrgulina thelxinoa (Melvill, 1906)
theone, Turbonilla theone Bartsch, 1927
theresa, Turbonilla theresa Thiele, 1925 - syn of: Babella funiculata Saurin, 1962
thetisae, Chrysallida thetisae Espinosa & Ortea, 2011
thewe, Turbonilla thewe Peñas & Rolán, 2010
thielei, Syrnola thielei (Dautzenberg, 1912)
thielei, Pyrgiscus thielei Van Aartsen & Corgan, 1996
thomensis, Syrnola thomensis Tomlin & Shackleford, 1915
thornleyana, Turbonilla thornleyana Laseron, 1951
thryallis, Turbonilla thryallis Melvill, 1918
thuanae, Pyrgiscus thuanae (Saurin, 1959)
thyne, Turbonilla thyne Bartsch, 1924
tia, Turbonilla tia Bartsch, 1926
tiara, Turbonilla tiara May, 1911
tiarata, Paracingulina tiarata (Pilsbry, 1904)
tiganoura, Turbonilla tiganoura Nomura, 1936
tiganourana, Turbonilla tiganourana Nomura, 1936
tiganourana, Dunkeria tiganourana Nomura, 1937 - syn of: Turbonilla tiganourana Nomura, 1936
tikkoensis, Turbonilla tikkoensis (Nomura, 1936)
tikkoensis, Chemnitzia tikkoensis Nomura, 1936 - syn of: Turbonilla tikkoensis (Nomura, 1936)
timida, Costosyrnola timida Saurin, 1962
tincta, Syrnola tincta Angas, 1871
tincta, Turbonilla tincta Sowerby, 1900
titizimanum, Styloptygma titizimanum (Nomura, 1939) † (FOSSIL)
tobisimensis, Pyrgiscus tobisimensis Nomura, 1938 - syn of: Mormula philippiana (Dunker, 1860)
tobisimensis daibutu, Pyrgiscus tobisimensis daibutu Nomura, 1938 - syn of: Mormula philippiana (Dunker, 1860)
tokunagai, Turbonilla tokunagai Yokoyama, 1920
tolteca, Turbonilla tolteca Baker, Hanna & Strong, 1928
tomacula, Eulimella tomacula Laseron, 1951 - syn of: Koloonella tomacula (Laseron, 1951)
tomlini, Odostomia tomlini Turton, 1933
tonbensis, Turbonilla tonbensis (Nomura, 1939)
tonbensis, Chemnitzia tonbensis Nomura, 1939 - syn of: Turbonilla tonbensis (Nomura, 1939)
toneana, Odostomia toneana Yokoyama, 1922
tongaensis, Turbonilla tongaensis Peñas & Rolán, 2010
tongaensis, Careliopsis tongaensis Peñas & Rolán, 2016
tongaensis, Pyrgulina tongaensis Peñas & Rolán, 2017
toniperezi, Turbonilla toniperezi Peñas & Rolán, 2010
torcularis, Cingulina torcularis Tenison-Woods, 1878 - syn of: Icuncula torcularis (Tenison-Woods, 1878)
toreta, Peristichia toreta Dall, 1889
tornata, Oscilla tornata (Verrill, 1884)
torniformae, Ebalina torniformae Peñas & Rolán, 2016
toroensis, Chrysallida toroensis Olsson & McGinty, 1958 - syn of: Mumiola gradatula (Mörch, 1876)
toroensis, Odostomia toroensis Olsson & McGinty, 1958 - syn of: Mumiola gradatula (Mörch, 1876)
torquata, Turbonilla torquata (Gould, 1853)
torquata, Eulimella torquata Pimenta, Santos & Absalão, 2011
torques, Waikura torques Marwick, 1931 † (FOSSIL)
torresiana, Syrnola torresiana Laseron, 1959
torrita, Odostomia torrita Dall & Bartsch, 1909
tosaensis, Costabieta tosaensis Habe, 1961 - syn of: Pyramidelloides tosaensis (Habe, 1961)
toshikazui, Eulimella toshikazui Hori & Fukuda, 1999
toshimana, Syrnola toshimana Yokoyama, 1927
townsendi, Turbonilla townsendi Melvill, 1910
toyatani, Turbonilla toyatani Henderson & Bartsch, 1914
toyonariensis, Odostomia toyonariensis Ikebe, 1936
trachealis, Cingulina trachealis (Gould, 1861)
tracheaus, Cingulina tracheaus Gould, 1861 - syn of: Cingulina trachealis (Gould, 1861)
trachis, Chrysallida trachis (Dall & Bartsch, 1909)
tracta, Puposyrnola tracta Saurin, 1959
traiecta, Pyrgulina traiecta Peñas & Rolán, 2017
transiens, Siogamaia transiens Saurin, 1959 - syn of: Siogamaia namensis (Corgan & Van Aartsen, 1998)
translucens, Odostomia translucens (Strebel, 1908)
translucida, Colsyrnola translucida (Laseron, 1959)
traveli, Turbonilla traveli Peñas & Rolán, 2010
treina, Parodostomia treina (Saurin, 1959)
treina, Odostomia treina Saurin, 1959 - syn of: Parodostomia treina (Saurin, 1959)
tremperi, Odostomia tremperi Bartsch, 1927
trewae, Eulimella trewae Van Aartsen, Gittenberger & Goud, 2000
trialicii, Parthenina trialicii Peñas & Rolán, 2017
triarata, Paracingulina triarata (Pilsbry, 1904)
tribulationis, Chrysallida tribulationis (Hedley, 1909)
tricarinata, Latavia tricarinata Laseron, 1951
tricincta, Chrysallida tricincta Jeffreys, 1856 - syn of: Odostomella doliolum (Philippi, 1844)
tricincta, Chrysallida tricincta Philippi
tricincta bicincta, Odostomia tricincta bicincta Tiberi, 1868 - syn of: Odostomella bicincta (Tiberi, 1868)
tricordata, Oscilla tricordata (Nomura, 1938)
tridentata, Turbonilla tridentata (Carpenter, 1864)
trifasciata, Tiberia trifasciata (Adams, 1863)
trifida, Odostomia trifida Totten, 1834 - syn of: Boonea bisuturalis (Say, 1822)
trifuniculata, Chrysallida trifuniculata (Saurin, 1962)
trigonostoma, Eulimella trigonostoma de Folin, 1872 - syn of: Ebala gradata (Monterosato, 1878)
trilineata, Chemnitzia trilineata (Adams, 1855)
trimariana, Odostomia trimariana Pilsbry & Lowe, 1932
trinodosa, Miralda trinodosa Peñas & Rolán, 2017
trinquieri, Nisiturris trinquieri (Saurin, 1959)
triplicata, Pyramidella triplicata Wade, 1917
trisulcata, Cingulina trisulcata Sowerby, 1894
tritestata, Odostomia tritestata Nomura, 1937
tritonia, Turbonilla tritonia Bartsch, 1915
trivittata, Syrnola trivittata Sturany, 1903
trochiformis, Pyrgulina trochiformis Saurin, 1959
trochlearis, Turbonilla trochlearis Gould, Sowerby, 1897 - syn of: Cingulina trachealis (Gould, 1861)
trochoides, Chemnitzia trochoides Stoppani, 1857 † - syn of: Orthostomia concava (Stoppani, 1857) † (FOSSIL)
troncosoi, Megastomia troncosoi Peñas & Rolán, 2002
troncosoi, Eulimella troncosoi Peñas, Rolán & Swinnen, 2014
tropidita, Odostomia tropidita Dall & Bartsch, 1909
truncata, Cingulina truncata Saurin, 1959
truncatelliformis, Trabecula truncatelliformis Hori & Fukuda, 1999
truncatelloides, Turbonilla truncatelloides Smith, 1890
truncatula, Chrysallida truncatula (Jeffreys, 1850) - syn of: Jordaniella truncatula (Jeffreys, 1850)
truncatula, Jordaniella truncatula (Jeffreys, 1850)
truncatula, Menestho truncatula Odhner, 1915
tubaui, Turbonilla tubaui Peñas & Rolán, 2010
tubiformis, Syrnola tubiformis Peñas & Rolán, 2016
tuckeri, Turbonilla tuckeri Peñas & Rolán, 2010
tugelae, Turbonilla tugelae Barnard, 1963
tumerea, Odostomia tumerea Laseron, 1951
tumida, Ondina divisa tumida Marshall
tumida, Nisiturris tumida Saurin, 1959 - syn of: Nisiturris tumidula (Corgan & Van Aartsen, 1998)
tumidula, Nisiturris tumidula (Corgan & Van Aartsen, 1998)
tumidula, Nisiturris tumidula Corgan & Van Aartsen, 1998 - syn of: Nisiturris tumidula (Corgan & Van Aartsen, 1998)
tupinamba, Turbonilla tupinamba Pimenta & Absalão, 2002
turbinatus, Odostomia turbinatus Lea, 1843 † (FOSSIL)
turbiniformis, Megastomia turbiniformis Peñas & Rolán, 1999
turbinolonga, Syrnola turbinolonga Robba, 2013 † (FOSSIL)
turbonillaeformis, Chrysallida turbonillaeformis Van Aartsen, Gittenberger & Goud, 2000
turbonilloides, Odostomia turbonilloides Brusina, 1869 - syn of: Spiralinella incerta (Milaschewitsch, 1916)
turbonilloides, Chrysallida turbonilloides Bucquoy, Dautzenberg & Dollfus, 1883 - syn of: Spiralinella incerta (Milaschewitsch, 1916)
turgida, Odostomia turgida Sars, 1878 - syn of: Odostomia unidentata (Montagu, 1803)
turneri, Odostomia turneri Laws, 1939
turretiforma, Creonella turretiforma Sohl, 1964 † (FOSSIL)
turricula, Odostomia turricula Dall & Bartsch in Arnold, 1903
turriculata, Kleinella turriculata Calcara, 1840 - syn of: Euparthenia humboldti (Risso, 1826)
turriculata, Odostomia turriculata Monterosato, 1869
turris, Turbonilla turris (D'Orbigny, 1840)
turris, Eulimella turris (Forbes, 1844)
turrisecclesiae, Eulimella turrisecclesiae Peñas & Rolán, 2016
turrita, Asmunda turrita (Adams, 1852)
turrita, Turbonilla turrita Adams, 1852 - syn of: Asmunda turrita (Adams, 1852)
turrita, Chemnitzia turrita Adams, 1852 - syn of: Asmunda turrita (Adams, 1852)
turrita, Pyramidella turrita Adams, 1854
turrita, Odostomia turrita Hanley, 1844
turrita, Odostomia turrita Thorpe, 1844 - syn of: Chrysallida excavata (Philippi, 1836)
turritella, Brachystomia turritella (Grateloup, 1828) † (FOSSIL)
turritella, Turbonilla turritella Scacchi, 1836 - syn of: Turbonilla lactea (Linnaeus, 1758)
turritellata, Eulimella turritellata Réquien, 1848 - syn of: Eulimella ventricosa (Forbes, 1844)
turritus, Longchaeus turritus (Adams, 1854)
turukoae, Megastomia turukoae Nomura, 1938
tutamoensis, Mormulasta tutamoensis (Laws, 1937) † (FOSSIL)
tutubaensis, Pyrgulina tutubaensis Peñas & Rolán, 2017
tuytrieuensis, Besla tuytrieuensis Saurin, 1959
tydemani, Eulimella tydemani Van Aartsen, Gittenberger & Goud, 1998
tyleri, Odostomia tyleri Dall & Bartsch, 1909
typica, Chrysallida typica (Laseron, 1959)
typica, Stylopsis typica Adams, 1860
typicum, Styloptygma typicum (Tryon, 1886)
uaca, Turbonilla uaca Pimenta & Absalão, 2004
uahukaensis, Oscilla uahukaensis Peñas & Rolán, 2017
uespi, Turbonilla uespi Peñas & Rolán, 2010
ulloa, Turbonilla ulloa Bartsch, 1917
ulloana, Ividella ulloana (Strong, 1949)
ultima, Rissopsetia ultima Peñas & Rolán, 2017
ultralaeta, Parthenina ultralaeta (Nomura, 1936)
ultralaeta, Sulcoturbonilla ultralaeta Nomura, 1936 - syn of: Parthenina ultralaeta (Nomura, 1936)
ultranodosa, Miralda ultranodosa Peñas & Rolán, 2017
ulyssi, Turbonilla ulyssi Hertlein & Strong, 1951
umbilicaris, Odostomia umbilicaris (Malm, 1863)
umbilicaris elongata, Odostomia umbilicaris elongata Jeffreys, 1867 - syn of: Odostomia acuta Jeffreys, 1848
umbilicata, Tiberia umbilicata (Deshayes, 1861) † (FOSSIL)
umbilicata, Odostomia umbilicata Alder, 1850 - syn of: Odostomia acuta Jeffreys, 1848
umbilicatissima, Odostomia umbilicatissima Peñas & Rolán, 1999
umbilicostriata, Quirella umbilicostriata Peñas & Rolán, 2017
umbonicola, Boonea umbonicola Hori & Okutani, 1995 - syn of: Boonea umboniocola Hori & Okutani, 1995
umboniocola, Boonea umboniocola Hori & Okutani, 1995
umbrina, Turbonilla umbrina Melvill, 1918
umemotoi, Pyrgiscus umemotoi (Nomura, 1938)
umemotoi, Pyrgiscilla umemotoi Nomura, 1938 - syn of: Pyrgiscus umemotoi (Nomura, 1938)
umeralis, Miralda umeralis (Hedley, 1902)
unalaskensis, Odostomia unalaskensis Dall & Bartsch, 1909
undata, Turbonilla undata (Carpenter, 1857)
undata, Ebalina undata Peñas & Rolán, 2016
undata, Eulimella undata Peñas & Rolán, 2016
undata, Trabecula jeffreysiana undata Watson
undata, Chrysallida undata Watson, 1897 - syn of: Trabecula jeffreysiana undata (Watson, 1897)
undecimcostata, Chemnitzia undecimcostata (Pilsbry & Johnson, 1917) † (FOSSIL)
undosa, Chemnitzia undosa Forbes, 1846
undulata, Turbonilla undulata (Koenen, 1882) † (FOSSIL)
undulata, Chemnitzia undulata Benz † (FOSSIL)
unea, Linopyrga unea (de Folin & Périer, 1875)
unica, Chemnitzia unica (Montagu, 1803)
unica, Odostomia unica Makiyama, 1927
unicincta, Turbonilla unicincta Melvill, 1910
unicincta, Besla unicincta Robba, 2013 † (FOSSIL)
unicordata, Odostomia unicordata Nomura, 1938
unidens, Odostomia unidens (Requien, 1848)
unidens, Odostomia unidens Réquien, 1848 - syn of: Odostomia plicata (Montagu, 1803)
unidentata, Odostomia unidentata (Montagu, 1803)
unidentata albella, Odostomia unidentata albella Lovén, 1846 - syn of: Odostomia unidentata (Montagu, 1803)
unidentata elata, Odostomia unidentata elata Jeffreys, 1867 - syn of: Odostomia unidentata (Montagu, 1803)
unidentata sarsi, Odostomia unidentata sarsi Nordsieck, 1972 - syn of: Odostomia unidentata (Montagu, 1803)
unifasciata, Turbonilla unifasciata (Carpenter, 1857)
unifasciata, Tibersyrnola unifasciata (Forbes, 1844)
unifilosa, Megastomia unifilosa (Saurin, 1962)
unilineata, Syrnola unilineata (Garrett, 1873)
uniliratum, Turbolidium uniliratum (Bush, 1899)
uniuspecei, Eulimella uniuspecei Peñas & Rolán, 2016
univestis, Egila univestis Laseron, 1959
urdeneta, Turbonilla urdeneta Bartsch, 1917
urgorrii, Turbonilla urgorrii Peñas & Rolán, 2010
ursula, Turbonilla ursula Thiele, 1925
uruguayensis, Turbonilla uruguayensis Pilsbry, 1897
usitata, Herviera usitata Laseron, 1950 - syn of: Rissoina usitata (Laseron, 1950)
utdigitulus, Careliopsis utdigitulus Peñas & Rolán, 2017
utuana, Turbonilla utuana Hertlein & Strong, 1951
vaga, Odostomia vaga Laws, 1939
vaga, Besla vaga Laws, 1941
vaghena, Turbonilla vaghena Peñas & Rolán, 2010
vaillanti, Turbonilla vaillanti Dautzenberg & Fischer, 1896
valdeobesa, Turbonilla valdeobesa Peñas & Rolán, 2010
valdesi, Helodiamea valdesi Peñas & Rolán, 2017
valdezi, Odostomia valdezi Dall & Bartsch, 1907
valeroi, Odostomia valeroi Bartsch, 1917
valida, Noemiamea dolioliformis valida de Folin
valida, Turbonilla valida Verrill & Bush, 1900
validissima, Pyrgiscus validissima Nomura, 1937 - syn of: Mormula philippiana (Dunker, 1860)
vallata, Turbonilla vallata Melvill, 1912
vana, Turbonilla vana (Laseron, 1951)
vanae, Turbonilla vanae (Saurin, 1959)
vanbruggeni, Chrysallida vanbruggeni Van Aartsen & Corgan, 1996
vancouverensis, Turbonilla vancouverensis (Baird, 1863)
vancouverensis, Odostomia vancouverensis Dall & Bartsch, 1910
vanderlandi, Eulimella vanderlandi Van Aartsen, Gittenberger & Goud, 2000
vanderlindeni, Pyrgulina vanderlindeni (Van Aartsen, Gittenberger & Goud, 2000)
vanderlindeni, Chrysallida vanderlindeni Van Aartsen, Gittenberger & Goud, 2000 - syn of: Pyrgulina vanderlindeni (Van Aartsen, Gittenberger & Goud, 2000)
vanhareni, Syrnola vanhareni (Van Aartsen, Gittenberger & Goud, 1998)
vanhareni, Eulimella vanhareni Van Aartsen, Gittenberger & Goud, 1998 - syn of: Syrnola vanhareni (Van Aartsen, Gittenberger & Goud, 1998)
vanhyningi, Syrnola vanhyningi (Bartsch, 1944)
vannieri, Pyrgiscus vannieri Saurin, 1959
vanuatuensis, Oscilla vanuatuensis Peñas & Rolán, 2017
vanuatuensis, Parthenina vanuatuensis Peñas & Rolán, 2017
vanuatuensis, Rissopsetia vanuatuensis Peñas & Rolán, 2017
vanurki, Odostomia vanurki Van Aartsen, Gittenberger & Goud, 1998 - syn of: Odostomia wareni (Schander, 1994)
vanvelthoveni, Pyrgulina vanvelthoveni Peñas, Rolán & Swinnen, 2014
varellensis, Ebalina varellensis (Saurin, 1959)
varellensis, Eulimella varellensis Saurin, 1959 - syn of: Ebalina varellensis (Saurin, 1959)
vargasi, Cimaria vargasi Høisæter, 2012
varia, Parthenina varia (Odé, 1993)
varia, Eulimella varia Peñas & Rolán, 2016
variabilis, Eulimella variabilis de Folin, 1870
varicifera, Turbonilla varicifera Tate, 1898
varicosa, Turbonilla varicosa (Adams, 1855)
varicosa, Chemnitzia varicosa Adams, 1855 - syn of: Turbonilla varicosa (Adams, 1855)
varicosa, Turbonilla varicosa Dunker, 1860 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
varicosa, Euparthenia varicosa Forbes, 1844 † - syn of: Pyrgostylus striatulus (Linnaeus, 1758) † (FOSSIL)
varicosa, Turbonilla varicosa Forbes, 1844 † - syn of: Pyrgostylus striatulus (Linnaeus, 1758) † (FOSSIL)
varicula, Chemnitzia varicula Wood, 1842 † (FOSSIL)
variegata, Pyramidella variegata Adams, 0 - syn of: Otopleura mitralis (Adams, 1855)
varisculpta, Chrysallida varisculpta Micali, 1992 † (FOSSIL)
vatilau, Turbonilla vatilau Peñas & Rolán, 2010
vavauensis, Quirella vavauensis Peñas & Rolán, 2017
vegrandis, Turbonilla vegrandis (Laws, 1937)
vegrandis, Eulimella vegrandis Peñas & Rolán, 2016
velaini, Turbonilla velaini Tryon, 1886
ventricosa, Eulimella ventricosa (Forbes, 1844)
ventricosa, Numaegilina ventricosa (Saurin, 1958)
ventricosa, Odostomia ventricosa Adams, 1860
ventricosa, Milda ventricosa Guérin-Méneville, 1831 - syn of: Milda cincta (Reeve, 1842)
ventricosa, Pyrgulina ventricosa Hornung & Mermod, 1924
ventricosa minima, Odostomia ventricosa minima Monterosato, 1880 - syn of: Eulimella ventricosa (Forbes, 1844)
ventricosa protofunis, Eulimella ventricosa protofunis (Peñas & Rolán, 1999) - syn of: Eulimella protofunis (Peñas & Rolán, 1999)
ventriosa, Parthenina ventriosa Peñas & Rolán, 2017
venus, Siogamaia venus Nomura, 1936
venusta, Megastomia venusta (Laws, 1940) † (FOSSIL)
venusta, Salassia venusta de Folin, 1887 - syn of: Talassia dagueneti (de Folin, 1873)
venusta, Turbonilla venusta Issel, 1869
venusta, Odostomia venusta Monterosato, 1875 - syn of: Turbonilla amoena (Monterosato, 1878)
venuste, Pyrgulina venuste Peñas & Rolán, 2017
venustula, Turbonilla venustula Adams, 1860
vera, Odostomia vera Moreno, Peñas & Rolán, 2003 † (FOSSIL)
veracruzana, Noemiamea veracruzana (de Folin, 1872)
verdensis, Chrysallida verdensis Peñas & Rolán, 1998
verdensis, Pseudoscilla verdensis Peñas & Rolán, 1999
verduini, Eulimella verduini Van Aartsen, Gittenberger & Goud, 1998 - syn of: Eulimella neoattenuata Gaglini, 1992
verecunda, Turbonilla verecunda (Laws, 1937)
verginea, Eulimella verginea Adams, 1860
verhoeveni, Odostomia verhoeveni Van Aartsen, Gittenberger & Goud, 1998
verkruezeni, Turbonilla verkruezeni Clessin, 1902
verneuilensis, Odostomia verneuilensis Raincourt & Munier, 1863 † (FOSSIL)
vero, Megastomia vero (Nomura, 1937)
veronica, Turbonilla veronica Thiele, 1925
verrilli, Turbonilla verrilli Bartsch, 1909
verrillii, Turbonilla verrillii Bartsch, 1909 - syn of: Turbonilla verrilli Bartsch, 1909
versicolor, Styloptygma versicolor (Melvill & Standen, 1897)
verticalis, Turbonilla verticalis Marshall, 1900 - syn of: Turbonilla lactea (Linnaeus, 1758)
verticalis, Pyrgulina verticalis Peñas & Rolán, 2017
vesperis, Turbonilla vesperis Pilsbry & Lowe, 1932
vestae, Turbonilla vestae Hertlein & Strong, 1951
vestalis, Agatha vestalis Melvill, 1910
vestalis, Odostomia vestalis Murdoch, 1905
vexativa, Turbonilla vexativa Dall & Bartsch, 1909
vicksburgella, Odostomia vicksburgella Dockery, 1984 † (FOSSIL)
vicola, Odostomia vicola Dall & Bartsch, 1909 - syn of: Boonea cincta (Carpenter, 1864)
victoriae, Odostomia victoriae Gatliff & Gabriel, 1911
vienae, Puposyrnola vienae Saurin, 1959
vigilia, Turbonilla vigilia (Laws, 1937)
vignali, Chrysallida vignali (Lamy, 1910)
villeni, Turbonilla villeni Peñas & Rolán, 2010
villi, Turbonilla villi Peñas & Rolán, 2010
vincentiana, Linopyrga vincentiana (Tryon, 1886)
vincentina, Chrysallida vincentina (Tryon, 1886)
vincta, Odostomia vincta Dall & Bartsch, 1909 - syn of: Boonea cincta (Carpenter, 1864)
vincta, Pyramidella vincta Dall, 1884 - syn of: Triptychus niveus (Mörch, 1875)
vincula, Turbonilla vincula (Laseron, 1959)
vinhi, Turbonilla vinhi Saurin, 1959
violacea, Syrnola violacea Melvill & Standen, 1896
vira, Odostomia vira Bartsch, 1926
virga, Turbonilla virga Dall, 1884
virgata, Turbonilla virgata Dall, 1892
virginalis, Odostomia virginalis Dall & Bartsch, 1909
virginalis, Odostomella virginalis Thiele, 1925
virginiae, Egila virginiae (Van Regteren Altena, 1975)
virginiae, Odostomia virginiae Van Regteren Altena, 1975 - syn of: Egila virginiae (Van Regteren Altena, 1975)
virginica, Odostomia virginica Henderson & Bartsch, 1914
virginieherosae, Turbonilla virginieherosae Peñas & Rolán, 2010
virgo, Turbonilla virgo (Carpenter, 1864)
virgo, Agatha virgo Adams, 1860
virgulinoi, Turbonilla virgulinoi Absalão, Dos Santos & Tenório, 2003
viridaria, Turbonilla viridaria Dall, 1884
viscainoi, Turbonilla viscainoi Bartsch, 1917
vitiensis, Turbonilla vitiensis Pilsbry, 1917 - syn of: Turbonilla varicosa (Adams, 1855)
vitiensis clavus, Turbonilla vitiensis clavus Pilsbry, 1918 - syn of: Turbonilla aulica (Dall & Bartsch, 1906)
vitilevu, Turbonilla vitilevu Peñas & Rolán, 2010
vitilevuensis, Parthenina vitilevuensis Peñas & Rolán, 2017
vitrea, Ondina vitrea (Brusina, 1866)
vitrea, Syrnola vitrea Adams, 1860
vitrea, Eulimella vitrea Adams, 1861
vitrea, Turbonilla vitrea Laseron, 1959
vittatum, Bacteridium vittatum (Adams, 1861)
vivesi, Turbonilla vivesi Hertlein & Strong, 1951
vix, Turbonilla vix Pimenta & Absalão, 1998
vixornata, Ebalina vixornata (de Folin, 1875)
vixornata, Odostomia vixornata (Marwick, 1931) † (FOSSIL)
vizcainoana, Odostomia vizcainoana Baker, Hanna & Strong, 1928
vladivostokensis, Turbonilla vladivostokensis Bartsch, 1929 - syn of: Derjuginella rufofasciata (Smith, 1875)
voluminis, Eulimella voluminis Peñas & Rolán, 2016
voorwindei, Oscilla voorwindei (Laseron, 1959)
waabitica, Costabieta waabitica (Issel, 1869)
waiauica, Syrnola waiauica (Laws, 1937) † (FOSSIL)
waihaoensis, Odostomia waihaoensis Maxwell, 1992 † (FOSSIL)
waihaoicus, Pyrgiscus waihaoicus (Maxwell, 1992) † (FOSSIL)
waihoraensis, Eulimella waihoraensis (Marwick, 1931) † (FOSSIL)
waikaia, Costosyrnola waikaia Laws, 1937 † (FOSSIL)
waikaia, Striodostomia waikaia Laws, 1940 † (FOSSIL)
waikikiensis, Evalea waikikiensis (Pilsbry, 1918)
waikura, Turbonilla waikura Marwick, 1931 † (FOSSIL)
waipaoa, Odostomia waipaoa Marwick, 1931 † (FOSSIL)
waitakereensis, Bartrumella waitakereensis Hayward, 1981 † (FOSSIL)
waitakiensis, Odostomia waitakiensis Laws, 1939 † (FOSSIL)
waitangiensis, Besla waitangiensis Laws, 1941
waitemata, Turbonilla waitemata (Laws, 1937)
wallacei, Syrnola wallacei Marwick, 1929 † (FOSSIL)
walpole, Turbonilla walpole Peñas & Rolán, 2010
wanawana, Turbonilla wanawana Nomura, 1938
wareni, Odostomia wareni (Schander, 1994)
warreni, Ondina warreni (Thompson, 1845)
warreni intermedia, Ondina warreni intermedia Marshall, 1893
warreni zetlandica, Ondina warreni zetlandica Marshall, 1900
washingtonia, Odostomia washingtonia Bartsch, 1920
watlingsi, Sayella watlingsi Morrison, 1939
watsoni, Monotygma watsoni (Hornung & Mermod, 1927)
weberi, Eulimastoma weberi Morrison, 1965
weinkauffi, Turbonilla weinkauffi Dunker, 1862 - syn of: Chrysallida fenestrata (Jeffreys, 1848)
weldi, Turbonilla weldi Dall & Bartsch, 1909
wenzi, Syrnola wenzi Nordsieck, 1972
wesselinghi, Pyrgulina wesselinghi Robba, 2013 † (FOSSIL)
westermanni, Turbonilla westermanni De Jong & Coomans, 1988
wetmorei, Turbonilla wetmorei Strong & Hertlein, 1937
whangaparaoa, Odostomia whangaparaoa Grant-Mackie & Chapman-Smith, 1971 † (FOSSIL)
whiteavesi, Turbonilla whiteavesi Bartsch, 1909
whitechurchi, Pyrgulina whitechurchi (Turton, 1932)
whitei, Odostomia whitei Bartsch, 1927
wickhami, Turbonilla wickhami Dall & Bartsch, 1909
wiechmanni, Turbonilla wiechmanni Speyer, 1870 † (FOSSIL)
wikanderi, Parthenina wikanderi Høisæter, 2014
willaseni, Turbonilla willaseni Lygre, Kongsrud & Schander, 2011
willeminae, Parthenina willeminae (Van Aartsen, Gittenberger & Goud, 2000)
willeminae, Chrysallida willeminae Van Aartsen, Gittenberger & Goud, 2000 - syn of: Parthenina willeminae (Van Aartsen, Gittenberger & Goud, 2000)
willetti, Odostomia willetti Bartsch, 1917
willetti, Turbonilla willetti Smith & Gordon, 1948
willisi, Odostomia willisi Bartsch, 1909
winfriedi, Odostomia winfriedi Peñas & Rolán, 1999
winfriedi, Megastomia winfriedi Peñas & Rolán, 1999
winkleyi, Odostomia winkleyi Bartsch, 1909 - syn of: Sayella fusca (Adams, 1839)
woodhridgei, Odostomia woodhridgei Hertlein & Strong, 1951
woodmassoni, Turbonilla woodmassoni de Folin, 1879
woodwardii, Chemnitzia woodwardii Seeley † (FOSSIL)
wrightsvillensis, Turbonilla wrightsvillensis Powell, 1983
xartoi, Turbonilla xartoi Peñas & Rolán, 2010
xenophyes, Turbonilla xenophyes Melvill & Standen, 1912 - syn of: Atomiscala xenophyes (Melvill & Standen, 1912)
yabehisakatsui, Megastomia yabehisakatsui (Nomura, 1936)
yabei, Babella yabei (Nomura, 1936)
yabei, Ptycheulimella yabei (Nomura, 1939)
yabei permariella, Babella yabei permariella Nomura, 1938
yaquensis, Turbonilla yaquensis Maury, 1917 † (FOSSIL)
yersini, Pyrgulina yersini Saurin, 1959
yokoyamai, Odostomia yokoyamai Nomura, 1936
yolettae, Turbonilla yolettae Hertlein & Strong, 1951
yoritomoi, Pyrgiscus yoritomoi (Nomura, 1938)
yoshikoae, Pyrgiscus yoshikoae Hori & Fukuda, 1999
yoshisadai, Pyrgiscus yoshisadai (Nomura, 1938)
yoshisadai, Pyrgiscilla yoshisadai Nomura, 1938 - syn of: Pyrgiscus yoshisadai (Nomura, 1938)
yosisadai, Turbonilla yosisadai Nomura, 1938
yositunei, Trabecula yositunei (Nomura, 1938)
yotokurensis, Turbonilla yotokurensis Nomura, 1938
yotukurensis, Pyrgiscus yotukurensis (Nomura, 1938)
yotukurensis, Pyrgiscilla yotukurensis Nomura, 1938 - syn of: Pyrgiscus yotukurensis (Nomura, 1938)
youngi, Odostomia youngi Dall & Bartsch, 1910
ytomitai, Chrysallida ytomitai Nomura, 1938
yuigahamana, Odostomia yuigahamana Nomura, 1938
yukikoae, Megastomia yukikoae (Nomura, 1938)
yvonnae, Pyrgiscus yvonnae (Saurin, 1959)
zacae, Turbonilla zacae Hertlein & Strong, 1951
zaleuca, Megastomia zaleuca (Melvill, 1910)
zamia, Odostomia zamia Nomura, 1937
zannii, Odostomia zannii Peñas & Rolán, 1999
zatoi, Turbonilla zatoi Nomura, 1936
zea, Chrysallida zea (Hedley, 1902)
zealandica, Turbonilla zealandica (Hutton, 1873)
zecarinata, Chrysallida zecarinata Laws, 1948 † (FOSSIL)
zecorpulenta, Odostomia zecorpulenta Laws, 1939 † (FOSSIL)
zekiergeni, Odetta zekiergeni Öztürk, 2013
zenobia, Turbonilla zenobia Bartsch, 1915
zesulcata, Costosyrnola zesulcata (Maxwell, 1988) † (FOSSIL)
zeteki, Odostomia zeteki Bartsch, 1918
zetemia, Nisipyrgiscus zetemia (Melvill, 1910)
zetemia, Pyrgiscilla zetemia Melvill, 1910 - syn of: Nisipyrgiscus zetemia (Melvill, 1910)
zetlandica, Ondina warreni zetlandica Marshall
zidora, Pyrgulina zidora Melvill, 1910
zijpi, Megastomia zijpi (Van Aartsen, Gittenberger & Goud, 1998)
zijpi, Odostomia zijpi Van Aartsen, Gittenberger & Goud, 1998 - syn of: Megastomia zijpi (Van Aartsen, Gittenberger & Goud, 1998)
zinboi, Pyrgiscus zinboi (Nomura, 1936)
zinboi, Pyrgiscilla zinboi Nomura, 1936 - syn of: Pyrgiscus zinboi (Nomura, 1936)
zinsmeisteri, Syrnola zinsmeisteri Stilwell, 1993
ziziphina, Odostomia ziziphina Carpenter, 1857
zona, Syrnola zona Nomura, 1937
zornikulla, Eulimella zornikulla Schander, 1994
zulmae, Turbonilla zulmae Pimenta & Absalão, 1998
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