aardahli, Pyrgulopsis aardahli Hershler, 1989
abbreviata, Hydrobia abbreviata (Grateloup, 1827) † (FOSSIL)
abbreviata, Caspia abbreviata Roshka, 1973 † (FOSSIL)
abchasica, Belgrandiella abchasica Starobogatov, 1962
abercrombiensis, Austropyrgus abercrombiensis Clark, Miller & Ponder, 2003
aberrans, Turricaspia aberrans (Andrusov, 1890) † (FOSSIL)
aberrans kundukensis, Turricaspia aberrans kundukensis (Roshka, 1973) † (FOSSIL)
abichi, Pyrgula abichi Logvinenko & Starobogatov, 1968
abnobae, Bythiospeum abnobae (Geyer, 1905)
abreui, Sulawesidrobia abreui Zielske, Glaubrecht & Haase, 2011
absoloni, Iglica absoloni (Wagner, 1914)
absona, Beddomeia acheronensis absona Ponder & Clark
abxazica, Pseudamnicola abxazica Badzoshvili, 1979 † (FOSSIL)
acarinatus, Pyrgulopsis acarinatus (Hershler, 1985)
acarnanica, Prososthenia acarnanica Schütt, 1986 † (FOSSIL)
accepta, Fonscochlea accepta Ponder, Hershler & Jenkins, 1989
accrensis, Hydrobia accrensis Connolly, 1929
achaiae, Goniochilus achaiae Esu & Girotti, 2015 † (FOSSIL)
acheila, Hydrobia acheila Brusina, 1902 † (FOSSIL)
acheronensis, Beddomeia acheronensis Ponder & Clark, 1993
acheronensis absona, Beddomeia acheronensis absona Ponder & Clark, 1993
acicula, Socenia acicula (Brusina, 1892) † (FOSSIL)
acicula, Bythiospeum acicula (Held, 1838)
acicula, Pyrgula acicula Reischütz & Reischütz, 2002
acicularis, Iglica acicularis Angelov, 1959
aciculata, Pyrgula aciculata Pavlovic, 1932 † (FOSSIL)
aciculina, Hydrobia aciculina (Bourguignat, 1876)
aciculoides, Bythiospeum aciculoides (Clessin, 1909)
acmaeformis, Goniochilus acmaeformis (Pavlovic, 1927) † (FOSSIL)
acme, Vrazia acme Brusina, 1897 † (FOSSIL)
acuminata, Prososthenia acuminata Pavlovic, 1927 † (FOSSIL)
acuminata, Jardinella acuminata Ponder & Clark, 1990
acuta, Belgrandia acuta (De Stefani, 1877) † (FOSSIL)
acuta, Hydrobia acuta (Draparnaud, 1805)
acuta, Littorinella acuta Eichwald, 1855 - syn of: Caspiohydrobia eichwaldiana (Golikov & Starobogatov, 1966)
acuta neglecta, Hydrobia acuta neglecta Muus, 1963
acutecarinata, Staja acutecarinata Brusina, 1902 † (FOSSIL)
acutecarinata, Hydrobia acutecarinata Neumayr, 1875 † (FOSSIL)
acuticarinata, Pyrgula acuticarinata Pavlovic, 1932 † (FOSSIL)
adamantina, Pseudotryonia adamantina (Taylor, 1987)
adiaphora, Staja adiaphora Brusina, 1897 † (FOSSIL)
adiaphora parvula, Staja adiaphora parvula (Kókay, 2006) † (FOSSIL)
adioincola, Leiorhagium adioincola Haase & Zielske, 2015
adjaciencis, Hydrobia adjaciencis Réquien, 1848 - syn of: Hydrobia cornea (Risso, 1826)
adkinsi, Fluviopupa adkinsi Zielske & Haase, 2014
adlitzensis, Belgrandiella adlitzensis Fischer & Reischütz, 1995
adnata, Tanousia adnata (Neumayr, 1875) † (FOSSIL)
adriatica, Hydrobia adriatica Clessin, 1878
adriolitoralis, Belgrandiella lacheineri adriolitoralis Radoman
adsharica, Belgrandiella adsharica (Lindholm, 1913)
aegaea, Goniochilus aegaea (Schütt, 1973) † (FOSSIL)
aenigma, Pyrgula aenigma Logvinenko & Starobogatov, 1968
affinis, Sadleriana affinis (Frauenfeld, 1863)
agadirensis, Maroccopsis agadirensis Ghamizi, 1998
agarhecta, Marstonia agarhecta Thompson, 1969
agari, Islamia globulus agari Altimira
aitai, Hydrobia aitai Jekelius, 1932 † (FOSSIL)
aitanicus, Josefus aitanicus Arconada & Ramos, 2006
akka, Saganoa akka Habe, 1964
alaarchaensis, Chirgisia alaarchaensis Glöer, Boeters & Pešic, 2014
albanica, Radomaniola albanica (Radoman, 1973)
albanica, Malaprespia albanica Radoman, 1973
albida, Narentiana albida Radoman, 1973
alcoaensis, Belgrandia alcoaensis Böttger, 1963
alexander, Cincinnatia alexander (Thompson, 2000)
algeriensis, Pseudamnicola algeriensis Glöer, Bouzid & Boeters, 2010
algonviense, Bythiospeum algonviense (Uhl, 1934)
allingense, Bythiospeum allingense (Clessin, 1877)
aloba, Pyrgulopsis aloba Hershler, 1999
alpestris, Belgrandiella alpestris (Frauenfeld, 1863)
alpeus, Iglica alpeus Reischütz & Reischütz, 2004
alpha, Hydrobia alpha Jekelius, 1944 † (FOSSIL)
alpheus, Raphica alpheus Reischütz & Reischütz, 2004
alpillense, Bythiospeum diaphanum alpillense Girardi
alpinum, Bythiospeum alpinum Bernasconi, 1988
alutae, Hydrobia alutae Jekelius, 1932 † (FOSSIL)
alutae carinata, Hydrobia alutae carinata Jekelius, 1932 † - syn of: Brasovia carinata (Jekelius, 1932) † (FOSSIL)
alvaroi, Belgrandia alvaroi G. Holyoak, D. Holyoak & da Costa Mendes, 2017
alzense, Bythiospeum alzense Boeters, 2001
alzonae, Graziana alzonae Wagner, 1927 - syn of: Belgrandiella pupula (Westerlund, 1879)
amargosae, Pyrgulopsis amargosae Hershler, 1989
amazonicus, Littoridinops amazonicus Wesselingh, 2006 † (FOSSIL)
ambigua, Baglivia ambigua Brusina, 1892 † (FOSSIL)
amiatae, Islamia amiatae Esu & Girotti, 2015
amidicus, Sheitanok amidicus Schütt & Sesen, 1991
amnicolaeformis, Caspia amnicolaeformis Roshka, 1973 † (FOSSIL)
ampla, Pseudamnicola ampla Pana, 2005 † (FOSSIL)
amplior, Pseudodianella amplior (Pavlovic, 1903) † (FOSSIL)
anagastica, Radomaniola curta anagastica Radoman
anatina, Pseudamnicola anatina (Draparnaud)
anatina, Mercuria anatina (Poiret, 1801)
anatina, Pyrgulopsis anatina Hershler, 1998
anatolica, Graecoanatolica anatolica (Schütt, 1965)
anatolica, Staja anatolica (Willmann, 1982) † (FOSSIL)
anatolica, Turkorientalia anatolica Radoman, 1973
anatolica, Islamia anatolica Radoman, 1973
anceps, Sulawesidrobia anceps Zielske, Glaubrecht & Haase, 2011
andalucensis, Guadiella andalucensis (Boeters, 1983)
andalucesis, Guadiella andalucesis (Boeters, 1983)
andalusica, Corrosella andalusica (Delicado, Machordom & Ramos, 2012)
andreae, Heideella andreae Backhuys & Boeters, 1974
andreaei, Hydrobia andreaei Böttger, 1892 † (FOSSIL)
andrusovi, Pyrgula andrusovi Pavlovic, 1903 † (FOSSIL)
andrusovi, Caspia andrusovi Pavlovic, 1927 † (FOSSIL)
andrusovi, Andrusovia andrusovi Starobogatov, 2000
andrussowi, Turricaspia andrussowi (Dybowski & Grochmalicki, 1915)
andrussowi, Hydrobia andrussowi Hilber, 1897 † (FOSSIL)
angasi, Austropyrgus angasi (Smith, 1882)
angelovi, Belgrandiella angelovi Pintér, 1968
angelovi, Plagigeyeria nitida angelovi Schütt
angeltsekovi, Grossuana angeltsekovi Glöer & Georgiev, 2009
anglesianum, Bythiospeum anglesianum (Westerlund, 1890)
anguina, Pyrgulopsis anguina Hershler, 1998
angulata, Pyrgula angulata Fuchs, 1870 † (FOSSIL)
angulata, Beddomeia angulata Ponder & Clark, 1993
angulataeformis, Pyrgula angulataeformis Jekelius, 1932 † (FOSSIL)
angulifera, Phrantela angulifera Ponder & Clark, 1993
angulobasis, Marstonia angulobasis Thompson, 2005
angustiarum, Hydrobia angustiarum Preston, 1915 - syn of: Littoridina angustiarum (Preston, 1915)
annamurrayae, Phrantela annamurrayae Ponder & Clark, 1993
annulata, Pyrgula annulata (Linnaeus, 1767)
annulata dalmatica, Pyrgula annulata dalmatica Schütt, 1968
annulifera, Prososthenia annulifera Brusina, 1884 † (FOSSIL)
anodonta, Fluvidona anodonta Hedley & Musson, 1892
anops, Hadopyrgus anops Climo, 1974
antarctica, Hydrobia antarctica Philippi, 1868
antarctica, Paludestrina antarctica Smith, 1902 - syn of: Laevilitorina antarctica (Smith, 1902)
anteisensis, Pseudamnicola anteisensis (Bérenguier, 1882)
anti, Hadziella anti Schütt, 1960
antirriona, Chilopyrgula antirriona Schütt, 1986 † (FOSSIL)
antonellae, Socenia antonellae Esu & Girotti, 2015 † (FOSSIL)
antoninae, Caspia antoninae Roshka, 1973 † (FOSSIL)
aperta, Hydrobia obtusa aperta Wenz (FOSSIL)
apfelbecki, Sarajana apfelbecki (Brancsik, 1888)
apfelbecki driniana, Sarajana apfelbecki driniana Radoman, 1975
apfelbecki travnicensis, Sarajana apfelbecki travnicensis Radoman, 1975
applanata, Micromelania applanata (Fuchs, 1873) † (FOSSIL)
aquatica, Fonscochlea aquatica Ponder, Hershler & Jenkins, 1989
aquensis, Nematurella aquensis (Degrange-Touzin, 1892) † (FOSSIL)
aquitanica, Hydrobia aquitanica Degrange-Touzin, 1892 † (FOSSIL)
ara, Bythiospeum ara (Geyer, 1905)
arabica, Arabiella arabica Kadolsky, Harzhauser & Neubauer, 2015 † (FOSSIL)
aralensis, Caspiohydrobia aralensis Starobogatov & Andreeva, 1981
archangelskii, Valvatamnicola archangelskii (Zhadin, 1952)
archeducis, Islamia archeducis Boeters & Beckmann, 2007
archimedis, Pyrgulopsis archimedis Berry, 1947
archimedis, Pyrgula archimedis Fuchs, 1870 † (FOSSIL)
arconadae, Guadiella arconadae (Boeters, 2003)
aremuum, Leiorhagium aremuum Haase & Zielske, 2015
arenarum, Hydrobia arenarum Bourguignat, 1876 - syn of: Ecrobia ventrosa (Montagu, 1803)
arethusae, Pseudamnicola arethusae Benoit, 1882 - syn of: Pseudamnicola conovula (Frauenfeld, 1863)
arga, Marstonia arga Thompson, 1977
arizonae, Pyrgulopsis arizonae Taylor, 1987
arminiensis, Tanousia arminiensis (Jekelius, 1932) † (FOSSIL)
artanensis, Pseudamnicola artanensis Altaba, 2007
articense, Bythiospeum articense Bernasconi, 1985
arvernensis, Pseudamnicola arvernensis (Bouillet, 1835) † (FOSSIL)
asculpta, Plagigeyeria robusta asculpta Schütt
aslini, Austropyrgus aslini Clark, Miller & Ponder, 2003
aspera, Pyrgula aspera Brusina, 1878 † (FOSSIL)
astierii, Corrosella astierii (Dupuy, 1851)
astierii, Pseudamnicola astierii Dupuy, 1851 - syn of: Corrosella astierii (Dupuy, 1851)
astrachanica, Turricaspia astrachanica (Pirogov, 1971)
asturica, Alzoniella asturica (Boeters & Rolán, 1988)
atava, Tanousia atava (Andrusov, 1890) † (FOSSIL)
atava, Pyrgula atava Brusina, 1881 † (FOSSIL)
ateni, Islamia ateni (Boeters, 1969)
ateni, Hauffenia ateni Boeters, 1969 - syn of: Islamia ateni (Boeters, 1969)
atomaria, Hydrobia atomaria Philippi, 1849
atropida, Hydrobia atropida Brusina, 1892 † (FOSSIL)
attica, Prososthenia attica (Fuchs, 1877) † (FOSSIL)
atuca, Hydrobia atuca Boeters, 1988 - syn of: Ecrobia ventrosa (Montagu, 1803)
aturensis, Hydrobia aturensis (Noulet, 1854) † (FOSSIL)
auberiana, Hydrobia auberiana D'Orbigny, 1842 - syn of: Alvania auberiana (D'Orbigny, 1842)
augustae, Pyrgulopsis augustae Hershler, 1998
augusti, Prososthenia augusti Esu & Girotti, 2001 † (FOSSIL)
aulaei, Belgrandiella aulaei Haase, Weigand & Haseke, 2000
aurata, Pyrgulopsis aurata Hershler, 1998
auriculata, Micromelania laevis auriculata Brusina (FOSSIL)
aurita, Hydrobia aurita Neumayr, 1875 † (FOSSIL)
aurorae, Iberhoratia aurorae Arconada, Delicado & Ramos, 2007
austriana, Belgrandiella austriana (Radoman, 1975)
avernalis, Pyrgulopsis avernalis (Pilsbry, 1935)
averni, Beddomeia averni Ponder & Clark, 1993
avisanensis, Hydrobia avisanensis Fontannes, 1877 † (FOSSIL)
avius, Austropyrgus avius Clark, Miller & Ponder, 2003
aytosensis, Grossuana aytosensis Georgiev, 2012
azarum, Islamia azarum (Boeters & Rolán, 1988)
azovica, Euxinipyrgula azovica (Golikov & Starobogatov, 1966)
babindolensis, Pseudamnicola babindolensis Neubauer, Kroh & al., 2015
babukici, Pseudamnicola babukici Brusina, 1902 † (FOSSIL)
baccata, Pyrgula baccata Brusina, 1878 † (FOSSIL)
bacchus, Pyrgulopsis bacchus Hershler, 1988
baccinelliana, Mercuria baccinelliana Esu & Girotti, 2015
bacescui, Pseudamnicola bacescui Grossu, 1986
bachkovoensis, Belgrandiella bachkovoensis Glöer & Georgiev, 2009
baerii, Caspia baerii (Clessin & Dybowski, 1887)
bagliviaeformis, Iglica bagliviaeformis Schütt, 1970
baicaliiformis, Stankovicia baicaliiformis (Polinski, 1929)
bakeri, Tepalcatia bakeri (Pilsbry, 1891)
bakeri, Mercuria bakeri Glöer, Boeters & Walther, 2015
bakeri, Fluviopupa bakeri Zielske & Haase, 2014
bakhtarana, Falsipyrgula bakhtarana Schütt & Mansoorian, 2000
bakuana, Pyrgula bakuana (Kolesnikov, 1947)
balatonica, Jekeliella balatonica (Rolle, 1862) † (FOSSIL)
balcanica, Pseudoislamia balcanica Radoman, 1979
balearica, Mercuria balearica (Paladilhe, 1870)
balfouri, Hydrobia balfouri (Godwin-Austen, 1881)
balizacensis, Mercuria balizacensis Degrange-Touzin, 1892 † - syn of: Valvata balizacensis (Degrange-Touzin, 1892) † (FOSSIL)
balizacensis, Pseudamnicola balizacensis Degrange-Touzin, 1892 † - syn of: Valvata balizacensis (Degrange-Touzin, 1892) † (FOSSIL)
ballesterosi, Guadiella ballesterosi Alba, Tarruella, Prats, Corbella & Guillén, 2009
baltici, Hydrobia baltici Brusina, 1902 † (FOSSIL)
bambolii, Islamia bambolii Esu & Girotti, 2015
banatica, Hydrobia banatica Jekelius, 1944 † (FOSSIL)
banaticus, Goniochilus banaticus (Brusina, 1881) † (FOSSIL)
banaticus fuchsi, Goniochilus banaticus fuchsi (Papp, 1953) † (FOSSIL)
bareai, Corrosella bareai (Delicado, Machordom & Ramos, 2012)
barratei, Pseudamnicola barratei Letourneux & Bourguignat, 1887
barretti, Texadina barretti (Morrison, 1965)
barroisi, Falsipyrgula barroisi (Dautzenberg, 1894)
barzaviae, Hydrobia barzaviae Jekelius, 1932 † (FOSSIL)
basalis, Pyrgula basalis (Dybowski & Grochmalicki, 1915)
basalis laticarinata, Pyrgula basalis laticarinata Logvinenko & Starobogatov, 1968
basicarinata, Caspia basicarinata Roshka, 1973 † (FOSSIL)
basiglans, Pyrgulopsis basiglans Hershler, 1998
bathyomphala, Hydrobia bathyomphala Brusina, 1902 † (FOSSIL)
bathyomphalus, Odontohydrobia bathyomphalus Pavlovic, 1927 † (FOSSIL)
baudoniana, Mercuria baudoniana (Gassies, 1859)
bavarica, Nematurella bavarica (Sandberger, 1875) † (FOSSIL)
bavarica, Sadleriana bavarica Boeters, 1989
bayonnensis, Mercuria bayonnensis (Locard, 1894)
bchirikvarensis, Staja bchirikvarensis (Badzoshvili, 1979) † (FOSSIL)
bechevi, Bythiospeum bechevi Georgiev & Glöer, 2013
beckmanni, Pseudamnicola beckmanni Glöer & Zettler, 2007
bedfordensis, Pyrgulopsis bedfordensis Hershler & Gustafson, 1999
behningi, Pyrgula behningi Logvinenko & Starobogatov, 1968
behningi, Caspiohydrobia behningi Starobogatov & Andreeva, 1981
belchatovensis, Microprososthenia belchatovensis Kadolsky & Piechocki, 2000 † (FOSSIL)
bellii, Petterdiana bellii (Petterd, 1889)
belnensis, Tournouerina belnensis (Delafond & Depéret, 1893) † (FOSSIL)
bendidis, Islamia bendidis Reischütz, 1988
benoisti, Peringia benoisti (Dollfus & Dautzenberg, 1886) † (FOSSIL)
benvenutii, Prososthenia benvenutii Esu & Girotti, 2016 † (FOSSIL)
berenguieri, Corrosella berenguieri Bourguignat, 1882 - syn of: Corrosella astierii (Dupuy, 1851)
bergi, Caspiohydrobia bergi Starobogatov & Andreeva, 1981
bergomensis, Alzoniella bergomensis Pezzoli, 2010
bermius, Radomaniola curta bermius Reischütz
bernardina, Pyrgulopsis bernardina Taylor, 1987
bernasconii, Attebania bernasconii Ghamizi, Bodon, Boulal & Giusti, 1999
beysehirana, Falsipyrgula beysehirana (Schütt, 1965)
bialozurkensis, Hydrobia bialozurkensis (Du Bois de Montpéreux, 1831) † (FOSSIL)
bicarinata, Pyrgula bicarinata Brusina, 1902 † (FOSSIL)
bicarinata, Prososthenia bicarinata Olujic, 1999 † (FOSSIL)
bicincta, Muellerpalia bicincta (Fuchs, 1870) † (FOSSIL)
bicincta, Pyrgula bicincta Lörenthey, 1894 † (FOSSIL)
bicolor, Sulawesidrobia bicolor Zielske, Glaubrecht & Haase, 2011
biconvexa, Yongkangia biconvexa Yü, 1980 † (FOSSIL)
bicristata, Hydrobia bicristata Simionescu & Barbu, 1940 † (FOSSIL)
bielzi, Micromelania bielzi (Brusina, 1902) † (FOSSIL)
bifrons, Pseudamnicola margarita bifrons Jekelius (FOSSIL)
bifurcata, Pyrgulopsis bifurcata Hershler, 1998
bigorrensis, Belgrandia bigorrensis Paladilhe, 1869
bigorriensis, Belgrandia bigorriensis Paladilhe, 1869 - syn of: Belgrandia bigorrensis Paladilhe, 1869
bigugliana, Hydrobia bigugliana Caziot, 1908 - syn of: Semisalsa stagnorum (Gmelin, 1791)
bilgini, Pseudamnicola bilgini Schütt & Sesen, 1993
bilineata, Pseudamnicola bilineata (Simionescu & Barbu, 1940) † (FOSSIL)
billakalina, Fonscochlea billakalina Ponder, Hershler & Jenkins, 1989
binneyana, Probythinella binneyana Berry, 1943 - syn of: Probythinella emarginata (Küster, 1852)
birsteini, Pontohoratia birsteini (Starobogatov, 1962)
bithynoides, Pseudamnicola bithynoides Jekelius, 1932 † (FOSSIL)
blacki, Hydrobia blacki Pilsbry, 1930
blainica, Pyrgulopsis blainica Hershler, Liu & Gustafson, 2008
blaneri, Micromelania blaneri Newton, 1891 - syn of: Turricaspia spica (Eichwald, 1855)
blihense, Bythiospeum blihense Glöer & Grego, 2015
bobbrowni, Phrantela bobbrowni Ponder & Clark, 1993
bodeica, Hydrobia bodeica Tausch, 1886 † - syn of: Melanopsis ajkaensis Tausch, 1886 † (FOSSIL)
bodoni, Sivasi bodoni Sahin, Koca & Yildirim, 2012
bodosensis, Tanousia bodosensis (Roth, 1881) † (FOSSIL)
boeckhi, Caspia boeckhi (Lörenthey, 1902) † (FOSSIL)
boetersi, Belgrandiella boetersi Reischütz & Falkner, 1998
boetersi, Mercuria boetersi Schlickum & Strauch, 1979 † (FOSSIL)
boettgeri, Pyrgula boettgeri Brusina, 1897 † (FOSSIL)
bogatscheviana, Turricaspia bogatscheviana (Logvinenko & Starobogatov, 1968)
bogensis, Turricaspia bogensis (Dubois De Montpéreux, 1852)
bogici, Montenegrospeum bogici (Pešic & Glöer, 2012)
bohemica, Hydrobia frauenfeldi bohemica Procházka (FOSSIL)
bolei, Phreatica bolei Velkovrh, 1970
boltovskoji, Turricaspia boltovskoji (Golikov & Starobogatov, 1966)
bomangiana, Islamia bomangiana Boeters & Falkner, 2003
bonelliana, Belgrandia bonelliana De Stefani, 1879
booneae, Hydrobia booneae Morrison, 1954
borceana, Turricaspia borceana (Golikov & Starobogatov, 1966)
borealis, Caspiohydrobia borealis Andreeva & Frolova, 1989
bormanni, Bythiospeum bormanni Stojaspal, 1978
borutzkii, Motsametia borutzkii (Zhadin, 1932)
borutzkii, Horatia borutzkii Zhadin, 1932 - syn of: Motsametia borutzkii (Zhadin, 1932)
borysthenica, Euxinipyrgula borysthenica (Alexenko & Starobogatov, 1987)
boscae, Belgrandia boscae (Salvañá, 1887)
bosniaca, Dabriana bosniaca (Radoman, 1973)
bosniaca, Radomaniola bosniaca (Radoman, 1973)
bosniaca, Islamia bosniaca Radoman, 1973
bosnica, Lanzaia bosnica Bole, 1970
bosnica, Iglica bosnica Schütt, 1975
bosphorana, Turricaspia bosphorana (Andrusov, 1890) † (FOSSIL)
boteniensis, Pyrgula boteniensis Wenz, 1942 † (FOSSIL)
bottimeri, Paludestrema bottimeri (Walker, 1925)
boucheti, Pseudamnicola boucheti Glöer, Bouzid & Boeters, 2010
bouei, Prososthenia bouei Pavlovic, 1931 † (FOSSIL)
boui, Fissuria boui Boeters, 1981
bourguignati, Islamia bourguignati (Letourneux, 1869)
bourguignati, Bythiospeum bourguignati (Paladilhe, 1866)
bourguignati, Mercuria bourguignati Glöer, Bouzid & Boeters, 2010
bourguignati, Avenionia bourguignati Locard, 1883
bournense, Bythiospeum bournense Girardi, 2009
bowryensis, Beddomeia bowryensis Ponder & Clark, 1993
bozidarcurcici, Belgrandiella bozidarcurcici Glöer & Pešic, 2014
braccoensis, Alzoniella braccoensis Bodon & Cianfanelli, 2004
brachia, Pseudamnicola brachia (Westerlund, 1886)
bradleyi, Hydrobia bradleyi Hislop, 1859 † (FOSSIL)
brandi, Pyrgulopsis brandi (Drake, 1953)
brandti, Saxurinator brandti Schütt, 1968
brazieri, Hydrobia brazieri Smith, 1882
bressanum, Bythiospeum bressanum Bernasconi, 1985
bressanum diaphanoides, Bythiospeum bressanum diaphanoides Bernasconi, 1985 - syn of: Bythiospeum diaphanoides (Bernasconi, 1985)
brevicula, Martensamnicola brevicula (Von Martens, 1874)
breviformis, Goniochilus breviformis (Papp, 1953) † (FOSSIL)
breviloba, Pyrgulopsis breviloba Hershler, 1998
brevior, Fluviopupa brevior (Ancey, 1905)
brevis, Avenionia brevis (Draparnaud, 1805)
brevis, Hadopyrgus brevis Climo, 1974
brevis, Graecoanatolica brevis Radoman, 1973
brevis, Anatolidamnicola gloeri brevis Sahin, Koca & Yildirim
brevis andorrensis, Avenionia brevis andorrensis Paladilhe, 1875 - syn of: Bythinella baudonii andorrensis (Paladilhe, 1875)
brevis persuturata, Avenionia brevis persuturata Bofill, 1921
brevis reyniesii, Avenionia brevis reyniesii (Dupuy, 1851)
brevispira, Hydrobia brevispira Paladilhe, 1870 - syn of: Hydrobia acuta (Draparnaud, 1805)
breweri, Antrorbis breweri Hershler & Thompson, 1990 - syn of: Antrobia breweri (Hershler & Thompson, 1990)
brezicensis, Kerkia brezicensis Bodon & Cianfanelli, 1996
briansmithi, Beddomeia briansmithi Ponder & Clark, 1993
brondeli, Hydrobia brondeli Bourguignat, 1862
brotzkajae, Caspia brotzkajae Starobogatov, 1992
bruneauensis, Pyrgulopsis bruneauensis Hershler, 1990
brusinae, Pseudohoratia brusinae (Radoman, 1953)
brusinai, Pseudodianella brusinai (Tournouër, 1875) † (FOSSIL)
brusinai, Pseudodianella brusinai (Willmann, 1981) † (FOSSIL)
brusinai, Andrusovia brusinai Starobogatov, 2000
brusinai, Hydrobia brusinai Wenz, 1919 † (FOSSIL)
brusiniana, Pseudamnicola brusiniana (Clessin & Dybowski, 1888)
bryantwalkeri, Pyrgulopsis bryantwalkeri Hershler, 1994
buccinoides, Hydrobia buccinoides Quoy & Gaimard, 1835
bucculenta, Maeotidia bucculenta Andrusov, 1890 † (FOSSIL)
buchanensis, Austropyrgus buchanensis Clark, Miller & Ponder, 2003
bucharica, Bucharamnicola bucharica (Zhadin, 1952)
bucheti, Hydrobia bucheti Mabille, 1898 - syn of: Peringia ulvae (Pennant, 1777)
budusi, Prososthenia budusi Jekelius, 1932 † (FOSSIL)
bukowskii, Salakosia bukowskii Willmann, 1981 † (FOSSIL)
bula, Fluviopupa bula Zielske & Haase, 2014
bulgarica, Sadleriana bulgarica (Wagner, 1928)
bulgarica, Belgrandiella bulgarica Angelov, 1972
bulgarica, Kolevia bulgarica Georgiev & Glöer, 2015
bulgarica, Gloeria bulgarica Georgiev, Dedov & Varadinova, 2012
bulgarica, Radomaniola bulgarica Glöer & Georgiev, 2009
bulgarica, Acme bulgarica Wagner, 1928 - syn of: Sadleriana bulgarica (Wagner, 1928)
bullerensis, Austropyrgus bullerensis Clark, Miller & Ponder, 2003
bumasta, Belgrandiella bumasta Schütt, 1960
bunarbasa, Islamia bunarbasa (Schütt, 1964)
bunarica, Falsibelgrandiella bunarica Radoman, 1973
bungoniensis, Austropyrgus bungoniensis Clark, Miller & Ponder, 2003
bunyaensis, Austropyrgus bunyaensis Miller, Ponder & Clark, 1999
burdurica, Islamia burdurica Yildirim, Çaglan Kaya, Gürlek & Bahadir Koca, 2017
burduricus, Islamia burduricus Yildirim, Çaglan Kaya, Gürlek & Bahadir Koca, 2017
bureschi, Bythiospeum bureschi (Wagner, 1928)
bureschi, Belgrandiella bureschi Angelov, 1976
burgersteini, Prososthenia burgersteini Pavlovic, 1931 † (FOSSIL)
burni, Victodrobia burni Ponder & Clark, 1993
buzoiensis, Pseudamnicola buzoiensis Pana, 2003 † (FOSSIL)
bythinelloides, Hydrobia santrici bythinelloides Miloševic (FOSSIL)
bythinellopenia, Strandzhia bythinellopenia Georgiev & Glöer, 2013
byzanthina, Sadleriana byzanthina (Küster, 1852)
byzanthina demirsoyii, Sadleriana byzanthina demirsoyii Yildirim & Morkoyunlu, 1997
caerulescens, Hydrobia caerulescens (Gmelin, 1791) † (FOSSIL)
calamensis, Pseudamnicola calamensis Glöer, Bouzid & Boeters, 2010
calderoni, Hydrobia calderoni Royo Gómez, 1922 † (FOSSIL)
calepii, Iglica calepii Niero & Pezzoli, 2016
calepii, Bythiospeum calepii Pezzoli
californica, Hydrobia californica Tryon, 1865
californiensis, Pyrgulopsis californiensis Gregg & Taylor, 1965
callosa, Radomaniola callosa (Paulucci, 1881)
camensis, Beddomeia camensis Ponder & Clark, 1993
camocaensis, Alzoniella camocaensis Rolán & Boeters, 2015
canadensis, Probythinella emarginata canadensis Baker
candidula, Cyclothyrella candidula (Neumayr, 1869) † (FOSSIL)
cantabrica, Alzoniella cantabrica (Boeters, 1983)
capellinii, Pseudamnicola capellinii (Wenz, 1919) † (FOSSIL)
capellinii, Pyrgula capellinii Wenz, 1919 † (FOSSIL)
capellinii, Micromelania capellinii Wenz, 1925 † (FOSSIL)
capensis, Beddomeia capensis Ponder & Clark, 1993
caprai, Belgrandia caprai Giusti, 1970 - syn of: Belgrandia thermalis (Linnaeus, 1767)
caputlacus, Radomaniola caputlacus (Schütt & Sesen, 1993)
carasiensis, Tanousia carasiensis (Jekelius, 1944) † (FOSSIL)
carasiensis, Socenia carasiensis Jekelius, 1944 † (FOSSIL)
carenosuturata, Pseudamnicola carenosuturata Pana, 2005 † (FOSSIL)
carinata, Turricaspia carinata (Andrusov, 1890) † (FOSSIL)
carinata, Muellerpalia carinata (Fuchs, 1870) † (FOSSIL)
carinata, Caspiohydrobia carinata (Gillet & Geissert, 1971) † (FOSSIL)
carinata, Brasovia carinata (Jekelius, 1932) † (FOSSIL)
carinata, Hydrobia carinata Gillet & Geissert, 1971 † (FOSSIL)
carinata, Staja carinata Jekelius, 1944 † (FOSSIL)
carinata, Prososthenia carinata Pana, 2003 † (FOSSIL)
carinata, Kirelia carinata Radoman, 1973
carinatior, Nematurella subcarinata carinatior Sacco (FOSSIL)
carinatolineata, Micromelania carinatolineata Pavlovic, 1927 † (FOSSIL)
carinatostriata, Staja carinatostriata Pavlovic, 1927 † (FOSSIL)
carinatus, Goniochilus carinatus Pana, 1990 † (FOSSIL)
carinifera, Brachypyrgulina carinifera Haas, 1955
carinifera, Pyrgulopsis carinifera Pilsbry, 1935
carnarvonensis, Jardinella carnarvonensis Ponder & Clark, 1990
carolinae, Palacanthilhiopsis carolinae Girardi, 2009
carpathica, Bythiospeum carpathica (Soós, 1940)
carpatica, Acme carpatica Wagner, 1912 - syn of: Acicula parcelineata (Clessin, 1911)
carrarai, Pyrgula carrarai Brusina, 1902 † (FOSSIL)
carteri, Hydrobia carteri Hislop, 1859 † (FOSSIL)
carychiode, Bythiospeum carychiode (Clessin, 1909)
casinensis, Saccoia doderleini casinensis Pantanelli (FOSSIL)
caspia, Turricaspia caspia (Eichwald, 1838)
caspia inflata, Micromelania caspia inflata Dybowski & Grochmalicki, 1915 - syn of: Turricaspia meneghiniana (Issel, 1865)
caspia pulla, Turricaspia caspia pulla Dybowski & Grochmalicki, 1915 - syn of: Pyrgula pulla (Dybowski & Grochmalicki, 1915)
caspia pullula, Turricaspia caspia pullula Dybowski & Grochmalicki, 1915 - syn of: Turricaspia pullula (Dybowski & Grochmalicki, 1915)
caspia typica, Micromelania caspia typica Dybowski & Grochmalicki, 1915 - syn of: Turricaspia caspia (Eichwald, 1838)
castaicensis, Pyrgulopsis castaicensis Hershler & Liu, 2010
castor, Marstonia castor Thompson, 1977
castroi, Hydrobia castroi Locard, 1899 - syn of: Peringia ulvae (Pennant, 1777)
cattaroensis, Hydrobia cattaroensis (Westerlund, 1886)
caucasica, Belgrandiella caucasica Starobogatov, 1962
cavernica, Belgrandiella cavernica Böttger, 1957
cavernosa, Sadleriana cavernosa Radoman, 1978
cazioti, Belgrandia cazioti (Westerlund, 1890)
cedroensis, Pyrgulopsis cedroensis Pilsbry, 1927 - syn of: Pyrgulopsis cedrosensis (Pilsbry, 1927)
cedroensis, Paludestrina cedroensis Pilsbry, 1927 - syn of: Pyrgulopsis cedrosensis (Pilsbry, 1927)
cedrosensis, Pyrgulopsis cedrosensis (Pilsbry, 1927)
celtiberica, Corbellaria celtiberica Callot-Girardi & Boeters, 2012
centralia, Austropyrgus centralia (Ponder, Colgan, Terzis, Clark & Miller, 1996)
cerithiolum, Pyrgula cerithiolum Brusina, 1881 † (FOSSIL)
cerithiopsis, Micromelania cerithiopsis Brusina, 1874 † (FOSSIL)
cerulea, Mercuria cerulea Massot, 1869 - syn of: Mercuria emiliana (Paladilhe, 1869)
cestasensis, Hydrobia cestasensis Cossmann & Peyrot, 1918 † (FOSSIL)
cezairensis, Belgrandiella cezairensis Boeters, 2000
chabii, Pseudamnicola chabii Glöer, Bouzid & Boeters, 2010
chalinei, Tournouerina chalinei Schlickum & Puisségur, 1977 † (FOSSIL)
chamasensis, Pseudamnicola chamasensis Boeters, 2000
chamberlini, Pyrgulopsis chamberlini Hershler, 1998
charensis, Ohridopyrgula macedonica charensis Radoman
charpyi, Bythiospeum charpyi (Paladilhe, 1867)
charpyi giganteum, Bythiospeum charpyi giganteum Bernasconi, 1969
chersonica, Turricaspia chersonica Alexenko & Starobogatov, 1987
chia, Pseudamnicola chia (Von Martens, 1889)
chihuahua, Pyrgulopsis chihuahua (Pilsbry, 1928)
chilidra, Lithabitella chilidra (Westerlund, 1886)
chilodia, Litthabitella chilodia (Westerlund, 1886)
chinensis, Akiyoshia chinensis (Liu, Zhang & Chen, 1982)
chinensis, Saganoa chinensis Liu, Zhang & Chen, 1982 - syn of: Akiyoshia chinensis (Liu, Zhang & Chen, 1982)
chrysopsis, Caspiohydrobia chrysopsis (Kolesnikov, 1947)
chupaderae, Pyrgulopsis chupaderae Taylor, 1987
cianensis, Islamia cianensis Bodon, Manganelli, Sparacio & Giusti, 1995
cincinnatiensis, Cincinnatia cincinnatiensis (Anthony, 1840)
cincta, Pyrgula cincta (Abich, 1859)
cincta, Caspia cincta Kolesnikov, 1947 - syn of: Pyrgula abichi Logvinenko & Starobogatov, 1968
cincta, Prososthenia cincta Neumayr, 1869 † (FOSSIL)
cincta raricostata, Prososthenia cincta raricostata Taner, 1974 † - syn of: Micromelania phrygica (Oppenheim, 1919) † (FOSSIL)
cinerana, Pyrgulopsis cinerana Hershler, Frest, Liu & Johannes, 2003
cingulata, Hydrobia cingulata Capellini, 1880 † (FOSSIL)
cissana, Hydrobia cissana Radoman, 1977 - syn of: Ecrobia ventrosa (Montagu, 1803)
cisterciensorum, Bythiospeum cisterciensorum Reischütz, 1983
claisei, Bythiospeum claisei Callot-Girardi, 2017
clandestinum, Leiorhagium clandestinum Haase & Zielske, 2015
clathrata, Pyrgula clathrata Adams, 1853 - syn of: Iravadia ornata Blanford, 1867
clessini, Bythiospeum clessini (Weinland, 1883)
clessini, Odontohydrobia clessini Pavlovic, 1927 † (FOSSIL)
clessini moenanum, Bythiospeum clessini moenanum (Flach, 1886)
clessini posterum, Bythiospeum clessini posterum (Geyer, 1904)
clessini septentrionale, Bythiospeum clessini septentrionale (Schütt, 1960)
cnemopsis, Orygoceras cnemopsis Brusina, 1892 † (FOSSIL)
coa, Pseudamnicola coa Willmann, 1981 † (FOSSIL)
codreanni, Grossuana codreanni (Grossu, 1946)
coelata, Micromelania coelata Brusina, 1874 † (FOSSIL)
colensis, Austropyrgus colensis Clark, Miller & Ponder, 2003
collingi, Corrosella collingi (Boeters, Girardi & Knebelsberger, 2015)
colludens, Austropyrgus colludens Clark, Miller & Ponder, 2003
colmani, Fluviopupa gracilis colmani Ponder
colmani, Jardinella colmani Ponder & Clark, 1990
coloradensis, Pyrgulopsis coloradensis Hershler, 1998
columna, Pyrgula columna Logvinenko & Starobogatov, 1968
comalensis, Marstonia comalensis (Pilsbry & Ferriss, 1906)
compacta, Hydrobia compacta Jeffreys, 1884 - syn of: Barleeia gougeti (Michaud, 1830)
compacta, Caspia compacta Jekelius, 1944 † (FOSSIL)
compacta, Mercuria compacta Paladilhe, 1869 - syn of: Mercuria emiliana (Paladilhe, 1869)
compactilis, Hydrobia compactilis Bell, 1893 † (FOSSIL)
complementia, Caspia complementia Anistratenko & Gozhik, 1995 † (FOSSIL)
concentrica, Reesidella concentrica Pan, 1980 † (FOSSIL)
concii, Iglica concii (Allegretti, 1944)
concinna, Pyrgula concinna Logvinenko & Starobogatov, 1968
confinis, Pseudamnicola confinis (Brancsik, 1897)
confusa, Pseudamnicola confusa Frauenfeld, 1863 - syn of: Mercuria similis (Draparnaud, 1805)
congermana, Saccoia congermana (Fontannes, 1881) † (FOSSIL)
conica, Caspiohydrobia conica (Logvinenko & Starobogatov, 1968)
conica, Peringia conica (Prevost, 1821) † (FOSSIL)
conica, Lutetiella conica (Prévost, 1821) † (FOSSIL)
conica, Pyrgulopsis conica Hershler, 1988
conica, Graecoanatolica conica Radoman, 1973
conica, Pyrgula conica Taner, 1974 † (FOSSIL)
conica, Spilochlamys conica Thompson, 1968
conica, Pseudamnicola skhiadica conica Willmann (FOSSIL)
conicus, Austropyrgus conicus Clark, Miller & Ponder, 2003
coniformis, Caspiohydrobia coniformis Starobogatov & Izzatullaev, 1974
conoidea, Peringia conoidea (Koenen, 1883) † (FOSSIL)
conoidea, Belgrandia conoidea (Reyniés, 1844)
conovula, Pseudamnicola conovula (Frauenfeld, 1863)
consolationis, Islamia minuta consolationis Bernasconi
constantinae, Pseudamnicola constantinae (Letourneux, 1870)
continentalis, Lanzaia continentalis Nordsieck, 1974 - syn of: Talassia dagueneti (de Folin, 1873)
contracta, Peringia contracta Cossmann, 1888 † (FOSSIL)
controversa, Belgrandia controversa Del Prete, 1879 - syn of: Belgrandia thermalis (Linnaeus, 1767)
conulus, Tournoueria conulus Brusina, 1870 † (FOSSIL)
conus, Turricaspia conus (Eichwald, 1838)
conus, Caspia conus Kolesnikov, 1948 - syn of: Pyrgula kolesnikoviana Logvinenko & Starobogatov, 1966
conus lindholmiana, Turricaspia conus lindholmiana (Golikov & Starobogatov, 1966)
convexa, Pseudamnicola convexa (Gottschick, 1928) † (FOSSIL)
convexa, Caspiohydrobia convexa (Logvinenko & Starobogatov, 1966)
convexa, Pseudamnicola convexa (Sandberger, 1875) † (FOSSIL)
convexula, Nematurella convexula Schlickum & Strauch, 1967 † (FOSSIL)
convexula, Nematurella convexula Steininger, 1973 † - syn of: Nematurella bavarica (Sandberger, 1875) † (FOSSIL)
convexus, Colligyrus convexus Hershler, Frest, Liu, & Johannes, 2003
cooma, Austropyrgus cooma (Iredale, 1943)
copiosum, Bythiospeum copiosum (Angelov, 1972)
cordovana, Clessiniola cordovana (Pfeiffer, 1855)
coreena, Jardinella coreena Ponder & Clark, 1990
corinthica, Islamia corinthica Esu & Girotti, 2015 † (FOSSIL)
cornea, Hydrobia cornea (Risso, 1826)
cornucopia, Alzoniella cornucopia (De Stefani, 1880)
cornuoryx, Orygoceras cornuoryx Whitfield, 1886 † - syn of: Rudolfoceras cornuoryx (Whitfield, 1886) † (FOSSIL)
coronadoi, Neohoratia coronadoi (Bourguignat, 1870)
coronadoi, Islamia coronadoi Bourguignat, 1870 - syn of: Neohoratia coronadoi (Bourguignat, 1870)
coronae, Phreatodrobia coronae Hershler & Longley, 1987
coronata, Hydrobia coronata Pfeiffer, 1840 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
coronatus, Goniochilus coronatus Brusina, 1902 † (FOSSIL)
corrugata, Jardinella corrugata Ponder & Clark, 1990
corsensis, Mercuria corsensis Boeters & Falkner, 2017
costulatus, Goniochilus costulatus (Fuchs, 1870) † (FOSSIL)
coutagnei, Belgrandia coutagnei Locard, 1892
crassa, Peringia crassa (Deshayes, 1862) † (FOSSIL)
crassilabris, Peringia crassilabris (Deshayes, 1862) † (FOSSIL)
crassiuscula, Fluviopupa crassiuscula (Frauenfeld, 1863)
cricovensis, Micromelania cricovensis Papaianopol & Macale?, 2004 † (FOSSIL)
crimeana, Turricaspia crimeana (Golikov & Starobogatov, 1966)
crispata, Pyrgula crispata Brusina, 1881 † (FOSSIL)
croatica, Belgrandiella croatica (Hirc, 1881)
croaticus, Goniochilus croaticus (Brusina, 1892) † (FOSSIL)
crosseana, Hydrobia crosseana Gassies, 1874 - syn of: Crosseana crosseana (Gassies, 1874)
cruciglans, Pyrgulopsis cruciglans Hershler, 1998
crucis, Belgrandiella crucis (Kušcer, 1928)
cryptodonta, Odontohydrobia cryptodonta Jekelius, 1944 † (FOSSIL)
cryptomena, Acme cryptomena de Folin & Bèrillon, 1877 - syn of: Platyla cryptomena (de Folin & Bèrillon, 1877)
crystalis, Pyrgulopsis crystalis Hershler & Sada, 1987
cubillensis, Hydrobia cubillensis (Almera & Bofill y Poch, 1895) † (FOSSIL)
cubrilovici, Prososthenia cubrilovici Pavlovic, 1935 † (FOSSIL)
culminea, Paludestrina culminea D'Orbigny, 1840 - syn of: Heleobia andicola (D'Orbigny, 1835)
curta, Radomaniola curta (Küster, 1852)
curta, Caspiohydrobia curta (Logvinenko & Starobogatov, 1968)
curta, Pyrgula curta (Naliwkin, 1914)
curta, Pseudamnicola curta (Reuss, 1867) † (FOSSIL)
curta anagastica, Radomaniola curta anagastica (Radoman, 1973)
curta bermius, Radomaniola curta bermius (Reischütz, 1988)
curta germari, Radomaniola curta germari (Frauenfeld, 1863)
curta kicavica, Radomaniola curta kicavica (Radoman, 1973)
curta mostarensis, Radomaniola curta mostarensis (Radoman, 1973)
curta narentana, Radomaniola curta narentana (Radoman, 1973)
curta pivensis, Radomaniola curta pivensis (Radoman, 1973)
curtisiana, Mercuria similis curtisiana Draparnaud
cybele, Pyrgulopsis cybele Hershler & Liu, 2012
cyclolabris, Hydrobia cyclolabris Bourguignat, 1876 - syn of: Peringia ulvae (Pennant, 1777)
cyclostomoides, Pseudamnicola cyclostomoides (Sinzov, 1880) † (FOSSIL)
cygnea, Pseudopaludinella cygnea Anistratenko, 1992
cylindrica, Caspiohydrobia cylindrica (Logvinenko & Starobogatov, 1968)
cylindrica, Saganoa cylindrica Kuroda & Habe, 1958
cylindrica, Micromelania cylindrica Lörenthey, 1902 † (FOSSIL)
cyrniacus, Pseudamnicola cyrniacus (Mabille, 1869)
dabriana, Belgrandiella dabriana Radoman, 1975
dacica, Odontohydrobia dacica Jekelius, 1932 † (FOSSIL)
dacica, Pyrgula dacica Jekelius, 1932 † (FOSSIL)
dacica, Caspia dacica Pana, 1985 † (FOSSIL)
dacica, Turricaspia dacica Pana, 2005 † (FOSSIL)
dacryon, Rhapinema dacryon Thompson, 1970
dagestanica, Turricaspia dagestanica (Logvinenko & Starobogatov, 1968)
dageti, Soapitia dageti Binder, 1961
dalmatica, Cilgia dalmatica (Schütt, 1961)
dalmatica, Pyrgula annulata dalmatica Schütt
dalmatina, Prososthenia dalmatina (Neumayr, 1869) † (FOSSIL)
dalmatina, Pyrgula dalmatina Brusina, 1881 † (FOSSIL)
danielae, Pyrgula danielae Girotti, 2015 † (FOSSIL)
danubiale, Bythiospeum saxigenum danubiale Geyer
danubialis, Hauffenia danubialis (Haase, 1993)
danubiensis, Turricaspia danubiensis Roshka, 1973 † (FOSSIL)
datar, Sulawesidrobia datar Zielske, Glaubrecht & Haase, 2011
daunivucu, Fluviopupa daunivucu Haase, Ponder & Bouchet, 2006
dautzenbergi, Pyrgula dautzenbergi (Morgan, 1915) † (FOSSIL)
daveyensis, Phrantela daveyensis Ponder & Clark, 1993
daveyensis tristis, Phrantela daveyensis tristis Ponder & Clark, 1993
davisi, Boetersiella davisi (Arconada & Ramos, 2000)
davisi, Pyrgulopsis davisi Taylor, 1987
daylesfordensis, Austropyrgus daylesfordensis Clark, Miller & Ponder, 2003
deaconi, Pyrgulopsis deaconi Hershler, 1998
deani, Hydrobia deani (Kendall) † (FOSSIL)
decepta, Pyrgulopsis decepta Baker, 1928
declinata, Hydrobia declinata Frauenfeld, 1863
deflexa, Fluviopupa deflexa (Frauenfeld, 1863)
deformata, Plagigeyeria deformata (Nicolas, 1891)
degrangei, Schuettemmericia degrangei Kadolsky, 1993 † (FOSSIL)
dekeyzeri, Austropyrgus dekeyzeri Clark, Miller & Ponder, 2003
delevae, Belgrandiella delevae Georgiev & Glöer, 2015
delmastroi, Alzoniella delmastroi Bodon & Cianfanelli, 2004
delpretiana, Belgrandia delpretiana Clessin, 1881 - syn of: Belgrandia thermalis (Linnaeus, 1767)
deltchevi, Microstygia deltchevi Georgiev & Glöer, 2015
demattiai, Bythiospeum demattiai Glöer & Pešic, 2014
deminuta, Hadziella deminuta Bole, 1961
demirsoyii, Sadleriana byzanthina demirsoyii Yildirim & Morkoyunlu
denizliensis, Graecoanatolica denizliensis (Taner, 1974) † (FOSSIL)
dentaliforme, Orygoceras dentaliforme Brusina, 1882 † (FOSSIL)
depereti, Belgrandia depereti (Nicolas, 1891)
depressa, Ohridohauffenia depressa (Radoman, 1957)
depressa, Staja sarmatica depressa Jekelius (FOSSIL)
depressispira, Pseudamnicola depressispira Logvinenko & Starobogatov, 1968
depressus, Colligyrus depressus Hershler, 1999
derbentina, Turricaspia derbentina (Logvinenko & Starobogatov, 1968)
derbentina borysthenica, Turricaspia derbentina borysthenica Alexenko & Starobogatov, 1987 - syn of: Euxinipyrgula borysthenica (Alexenko & Starobogatov, 1987)
derua, Fluviopupa derua Haase, Ponder & Bouchet, 2006
derventica, Grossuana derventica Georgiev & Glöer, 2013
derzhavini, Pyrgula derzhavini Logvinenko & Starobogatov, 1968
deserta, Pyrgulopsis deserta (Pilsbry, 1916)
desertorum, Pseudamnicola desertorum Bourguignat, 1862 - syn of: Pseudamnicola letourneuxiana (Bourguignat, 1862)
desmarestii, Micromelania desmarestii (Prévost, 1821) † (FOSSIL)
desmarestii, Staliola desmarestii Prévost, 1821 † - syn of: Micromelania desmarestii (Prévost, 1821) † (FOSSIL)
destefanii, Tanousia destefanii (Brusina, 1902) † (FOSSIL)
detracta, Hydrobia detracta Jekelius, 1944 † (FOSSIL)
devetakium, Bythiospeum devetakium Georgiev & Glöer, 2013
deydieri, Belgrandia deydieri (Depéret & Sayn, 1901) † (FOSSIL)
diablensis, Pyrgulopsis diablensis Hershler, 1995
diaphanoides, Bythiospeum diaphanoides (Bernasconi, 1985)
diaphanum, Bythiospeum diaphanum (Michaud, 1831)
diaphanum alpillense, Bythiospeum diaphanum alpillense Girardi, 2009
diaphanum dorvani, Bythiospeum diaphanum dorvani Bernasconi, 1985 - syn of: Bythiospeum dorvani (Bernasconi, 1985)
diaphanum fernetense, Bythiospeum diaphanum fernetense Girardi, 2009 - syn of: Bythiospeum fernetense Girardi, 2009
diaphanum francomontanum, Bythiospeum diaphanum francomontanum Bernasconi, 1973 - syn of: Bythiospeum francomontanum (Bernasconi, 1973)
diaphanum luberonense, Bythiospeum diaphanum luberonense Girardi, 2009
diaphanum meyrarguense, Bythiospeum diaphanum meyrarguense Girardi, 2009
diaphanum michaellensis, Bythiospeum diaphanum michaellensis Girardi, 2002
diaphanum montbrunense, Bythiospeum diaphanum montbrunense Girardi & Bertrand, 2009 - syn of: Bythiospeum montbrunense Girardi & Bertrand, 2009
diaphanum regalonense, Bythiospeum diaphanum regalonense Girardi, 2009
diaphanum sarriansense, Bythiospeum diaphanum sarriansense Girardi, 2009 - syn of: Bythiospeum sarriansense Girardi, 2009
diaphoros, Prososthenia diaphoros Neubauer & al., 2013 † (FOSSIL)
dictyophora, Micromelania dictyophora Brusina, 1897 † (FOSSIL)
diemense, Fluvidona diemense Frauenfeld, 1865 - syn of: Austropyrgus diemensis (Frauenfeld, 1865)
diemensis, Austropyrgus diemensis (Frauenfeld, 1865)
dilatata, Baglivia dilatata Pana, 1989 † (FOSSIL)
dimidiata, Pyrgula dimidiata (Eichwald, 1838)
dimidiata basalis, Micromelania dimidiata basalis Dybowski & Grochmalicki, 1915 - syn of: Pyrgula basalis (Dybowski & Grochmalicki, 1915)
dimidiata grossui, Pyrgula dimidiata grossui Golikov & Starobogatov, 1966 - syn of: Pyrgula dimidiata (Eichwald, 1838)
dimitrijevici, Micromelania dimitrijevici Pavlovic, 1932 † (FOSSIL)
dinarica, Graecoanatolica dinarica Kebapçi, Koca & Yildirim, 2012
dinici, Micromelania dinici Pavlovic, 1927 † (FOSSIL)
ditropida, Hydrobia ditropida Brusina, 1892 † (FOSSIL)
dixensis, Pyrgulopsis dixensis Hershler, 1998
djerbaensis, Hydrobia djerbaensis Wilke, Pfenninger & Davis, 2002
dmitroviciana, Islamia dmitroviciana Boeters, Glöer & Pešic, 2013
dobrogica, Pseudamnicola dobrogica Grossu, 1986
dobrostanica, Belgrandiella dobrostanica Glöer & Georgiev, 2009
dodecanesiaca, Pseudamnicola dodecanesiaca Willmann, 1981 † (FOSSIL)
doderleini, Saccoia doderleini (Pantanelli, 1886) † (FOSSIL)
doderleini casinensis, Saccoia doderleini casinensis (Pantanelli, 1886) † (FOSSIL)
dokici, Bania dokici (Brusina, 1902) † (FOSSIL)
dolichia, Heideella dolichia (Bourguignat, 1862)
dollfusi, Hydrobia dollfusi Wenz, 1913 † (FOSSIL)
dombovarensis, Jekeliella dombovarensis Bandel, 2010 † (FOSSIL)
dorrigoensis, Fluvidona dorrigoensis Miller, Ponder & Clark, 1999
dorvani, Bythiospeum dorvani (Bernasconi, 1985)
doumeti, Avenionia doumeti Caziot, 1910 - syn of: Avenionia brevis (Draparnaud, 1805)
dourdeni, Bythiospeum dourdeni Georgiev, 2012
draparnaldii, Hydrobia draparnaldii (Nyst, 1836) † (FOSSIL)
drau, Fluviopupa drau Zielske & Haase, 2014
drimica, Ohridohauffenia drimica (Radoman, 1964)
driniana, Sarajana apfelbecki driniana Radoman
drobaciana, Prososthenia drobaciana Brusina, 1874 † (FOSSIL)
dromica, Pseudamnicola dromica (Fontannes, 1881) † (FOSSIL)
dromodromo, Fluviopupa dromodromo Zielske & Haase, 2014
drouetianum, Bythiospeum drouetianum (Clessin, 1882)
dubia, Caspiohydrobia dubia (Logvinenko & Starobogatov, 1968)
dubia, Pyrgula dubia Logvinenko & Starobogatov, 1968
dubia, Hydrobia dubia Schlosser, 1907
dubium, Bythiospeum dubium (Geyer, 1904)
dubius, Hadopyrgus dubius Haase, 2008
dubuissoni, Hydrobia dubuissoni (Bouillet, 1834) † (FOSSIL)
dubuissoni hydruntina, Hydrobia dubuissoni hydruntina Esu & Girotti, 2010 † (FOSSIL)
dulvertonensis, Fluvidona dulvertonensis Tenison-Woods, 1876
dumontdurvilli, Fluviopupa dumontdurvilli Zielske & Haase, 2014
dunalina, Belgrandia dunalina (Moquin-Tandon, 1856)
dunrobinensis, Fluvidona dunrobinensis Tenison-Woods, 1876
duperrei, Paludestrina duperrei Vélain, 1877 - syn of: Eatoniella duperrei (Vélain, 1877)
duperrei, Hydrobia duperrei Vélain, 1877 - syn of: Eatoniella duperrei (Vélain, 1877)
dupotetiana, Pseudamnicola dupotetiana (Forbes, 1838)
dupotetiana, Pseudamnicola dupotetiana Ghamizi, 0 - syn of: Pseudamnicola dupotetiana (Forbes, 1838)
dybowskii, Pyrgula dybowskii (Polinski, 1929)
dybowskii, Caspia dybowskii Brusina, 1892 † (FOSSIL)
dybowskii, Andrusovia dybowskii Brusina, 1903
dyeriana, Fluvidona dyeriana Petterd, 1879 - syn of: Austropyrgus dyerianus (Petterd, 1879)
dyerianus, Austropyrgus dyerianus (Petterd, 1879)
dysbatus, Floridiscrobs dysbatus (Pilsbry & McGinty, 1949)
dzepiensis, Illyricella dzepiensis Neubauer, Mandic & Harzhauser, 2016 † (FOSSIL)
ebersini, Pyrgula ebersini Logvinenko & Starobogatov, 1968
eburnea, Turricaspia eburnea (Logvinenko & Starobogatov, 1968)
eburnea, Prososthenia eburnea Brusina, 1897 † (FOSSIL)
eburneolum, Orygoceras eburneolum Stauffer, 1937 † - syn of: Endoceras eburneolum (Stauffer, 1937) † (FOSSIL)
edessana, Belgrandiella edessana Schütt & Sesen, 1993
edgbastonensis, Jardinella edgbastonensis Ponder & Clark, 1990
edgebastonensis, Hydrobia edgebastonensis Ponder & Clark, 1990
edlaueri, Hauffenia edlaueri (Schütt, 1961)
edlaueri, Lanzaia edlaueri Schütt, 1961
edlaueri, Plagigeyeria edlaueri Schütt, 1961
edlingeri, Hauffenia edlingeri Reischütz & Reischütz, 2004
edmundi, Alzoniella edmundi (Boeters, 1984)
edmundi, Mercuria edmundi (Boeters, 1986)
effusa, Hydrobia effusa (Frauenfeld, 1856) † (FOSSIL)
eganensis, Eremopyrgus eganensis Hershler, 1999
eichwaldiana, Caspiohydrobia eichwaldiana (Golikov & Starobogatov, 1966)
elburensis, Belgrandiella elburensis (Starmühlner & Edlauer, 1957)
elbursensis, Pseudamnicola elbursensis (Starmühlner & Edlauer, 1957)
elegans, Eremopyrgus elegans Hershler, Liu & Lande, 2002
elegans, Pyrgula elegans Jekelius, 1932 † (FOSSIL)
eleganta, Caspiohydrobia eleganta Badzoshvili, 1979 † (FOSSIL)
elegantissima, Pyrgula elegantissima (Frauenfeld, 1864) † (FOSSIL)
elegantissima ilieni, Pyrgula elegantissima ilieni Jekelius, 1932 † (FOSSIL)
elegantula, Turricaspia elegantula (Clessin & Dybowski, 1888)
elegantula, Turricaspia elegantula Golikov, Starobogatov, 1966 - syn of: Turricaspia lirata marisnigri Starobogatov, 1987
elephantota, Lanzaia elephantota (Von Mühlfeld, 1824)
ellioti, Hydrobia ellioti Hislop, 1859 † (FOSSIL)
elliptica, Navariella elliptica Paladilhe, 1874 - syn of: Belgrandiella saxatilis (Reyniés, 1844)
elongata, Peringia elongata (Philippi, 1836)
elongata, Radomaniola elongata (Radoman, 1973)
elongata, Bythiospeum elongata Flach, 1886 - syn of: Bythiospeum clessini (Weinland, 1883)
elongata, Iglica elongata Kušcer, 1933
elongata, Baglivia elongata Pana, 1989 † (FOSSIL)
elongata, Victodrobia elongata Ponder & Clark, 1993
elongata, Orientalina elongata Radoman, 1973 - syn of: Radomaniola elongata (Radoman, 1973)
elongata, Caspiohydrobia elongata Starobogatov & Izzatullaev, 1974
elongata, Pseudamnicola elongata Taner, 1974 † (FOSSIL)
elongata major, Peringia elongata major Monterosato
elongatissima, Micromelania elongatissima (Pantanelli, 1877) † (FOSSIL)
elongatus, Austropyrgus elongatus (May, 1921)
elseri, Bythiospeum elseri (Fuchs, 1929)
emanuelei, Islamia emanuelei Girardi, 2009
emarginata, Probythinella emarginata (Küster, 1852)
emarginata, Probythinella emarginata Thiele, 1928 - syn of: Probythinella emarginata (Küster, 1852)
emarginata canadensis, Probythinella emarginata canadensis Baker, 1928
emarginata lacustris, Probythinella emarginata lacustris Baker, 1928
emiliae, Turricaspia emiliae Pana, 2005 † (FOSSIL)
emiliana, Mercuria emiliana (Paladilhe, 1869)
enikalensis, Hydrobia enikalensis Kolesnikov, 1935 † (FOSSIL)
ephippiostoma, Hadziella ephippiostoma Kušcer, 1932
epirana, Islamia epirana (Schütt, 1962)
eptalophos, Daphniola eptalophos Radea, 2011
eremica, Pyrgulopsis eremica Hershler, 1995
erentozi, Pyrgula erentozi Taner, 1974 † - syn of: Micromelania phrygica (Oppenheim, 1919) † (FOSSIL)
erentözi, Pyrgula erentözi Taner, 1974 † - syn of: Micromelania phrygica (Oppenheim, 1919) † (FOSSIL)
erromangoana, Fluviopupa erromangoana Zielske & Haase, 2014
erskinensis, Fluviopupa gracilis erskinensis Ponder
erythraeensis, Prososthenia erythraeensis Oppenheim, 1919 † (FOSSIL)
erythropoma, Pyrgulopsis erythropoma Pilsbry, 1899 - syn of: Fluminicola erythopoma Pilsbry, 1899
erythropoma, Sarajana erythropoma Schütt, 1959 - syn of: Sarajana apfelbecki (Brancsik, 1888)
erythropomatia, Hauffenia erythropomatia (Hauffen, 1856)
escoffierae, Saccoia escoffierae (Tournouër, 1874) † (FOSSIL)
espiritusantoana, Fluviopupa espiritusantoana Haase, Fontaine & Gargominy, 2010
etrusca, Saccoia etrusca Gillet & al., 1965 † (FOSSIL)
eugeniae, Pyrgula eugeniae (Neumayr, 1875) † (FOSSIL)
eulimellula, Pyrgula eulimellula (Dybowski & Grochmalicki, 1915)
eulo, Jardinella eulo Ponder & Clark, 1990
eumekes, Austropyrgus eumekes Clark, Miller & Ponder, 2003
euomphalus, Graecamnicola euomphalus (Fuchs, 1877) † (FOSSIL)
euryomphala, Hydrobia euryomphala (Bourguignat, 1876)
eutrepha, Hydrobia eutrepha Paladilhe, 1867 - syn of: Bythinella eutrepha (Paladilhe, 1867)
euxina, Grossuana euxina (Wagner, 1928)
euxina macedonica, Grossuana euxina macedonica Radoman, 1973
euxina remesiana, Grossuana euxina remesiana Radoman, 1973
euxina serbica, Grossuana euxina serbica Radoman, 1973 - syn of: Grossuana serbica Radoman, 1973
euxina skupica, Grossuana euxina skupica Radoman, 1973
euxina vurliana, Grossuana euxina vurliana (Radoman, 1966)
evanescens, Hydrobia evanescens Guerne, 1888
evertens, Plagigeyeria evertens Buckman † (FOSSIL)
excelsior, Bythiospeum excelsior (Mahler, 1951)
excessum, Bythiospeum excessum (Mahler, 1951)
exigua, Pseudamnicola exigua (Eichwald, 1838)
exigua, Daphniola exigua (Schmidt, 1856)
exigua, Paludestrina exigua Morelet, 1851 - syn of: Pyrgophorus exiguus (Morelet, 1851)
exigua, Jardinella exigua Ponder & Clark, 1990
exigua pangaea, Daphniola exigua pangaea (Reischütz, 1984)
exiguum, Bythiospeum exiguum (Geyer, 1904)
exiguus, Austropyrgus exiguus Clark, Miller & Ponder, 2003
exilis, Pseudamnicola exilis (Frauenfeld, 1863)
exilis, Heraultiella exilis (Paladilhe, 1867)
exilis, Graziana exilis Paulucci, 1880 - syn of: Belgrandiella alpestris (Frauenfeld, 1863)
eximia, Iglica eximia Bole, 1967
expositus, Hadopyrgus expositus Haase, 2008
fabrianensis, Alzoniella fabrianensis (Pezzoli, 1969)
fairbanksensis, Pyrgulopsis fairbanksensis Hershler & Sada, 1987
falciglans, Pyrgulopsis falciglans Hershler, Frest, Liu & Johannes, 2003
falkneri, Corrosella falkneri (Boeters, 1970)
falkneri, Istriana falkneri Boeters, 2000
falkneri, Palacanthilhiopsis falkneri Callot-Girardi, 2017
falkneri, Pyrgula falkneri Reischütz & Reischütz, 2002
fallax, Beddomeia fallax Ponder & Clark, 1993
falniowskii, Grossuana falniowskii Georgiev, Glöer, Dedov & Irikov, 2015
falsani, Hydrobia falsani (Fontannes, 1876) † (FOSSIL)
falunica, Glibertiella falunica (Cossmann, 1895) † (FOSSIL)
faminensis, Hydrobia faminensis Preston, 1915 - syn of: Littoridina faminensis (Preston, 1915)
fasciata, Plagigeyeria fasciata Buckman † (FOSSIL)
fastigata, Romania fastigata Harzhauser & al., 2012 † (FOSSIL)
fauenfeldi, Hydrobia fauenfeldi Hoernes, 1856 † (FOSSIL)
fausta, Pyrgulopsis fausta Hershler, 1998
fedorovi, Pyrgula fedorovi Logvinenko & Starobogatov, 1968
feheri, Radomaniola feheri Georgiev, 2013
feneriensis, Alzoniella feneriensis Giusti & Bodon, 1984
fernetense, Bythiospeum fernetense Girardi, 2009
ferrerii, Salenthydrobia ferrerii Wilke, 2003
fezi, Spathogyna fezi (Altimira, 1960)
filocincta, Trachyochridia filocincta (Polinski, 1929)
finalina, Alzoniella finalina Giusti & Bodon, 1984 - syn of: Belgrandiella saxatilis (Reyniés, 1844)
fineti, Pseudamnicola fineti Glöer, Bouzid & Boeters, 2010
fischeri, Lapparentia fischeri Berthelin, 1886 † (FOSSIL)
fistula, Orygoceras fistula Brusina, 1893 † (FOSSIL)
fiumana, Vinodolia fiumana Radoman, 1973
flachi, Bythiospeum flachi Westerlund, 1886
flexilabris, Nematurella flexilabris Sandberger, 1875 † (FOSSIL)
flindersensis, Austropyrgus flindersensis Clark, Miller & Ponder, 2003
floridana, Cincinnatia floridana (Frauenfeld, 1863) - syn of: Floridobia floridana (Frauenfeld, 1863)
floridana, Floridobia floridana (Frauenfeld, 1863)
fluminensis, Sadleriana fluminensis (Küster, 1853)
fluviatilis, Vinodolia fluviatilis Radoman, 1973
foliniana, Acme foliniana Nevill, 1879 - syn of: Platyla foliniana (Nevill, 1879)
fonscultus, Austropyrgus fonscultus Clark, Miller & Ponder, 2003
fontannesi, Peringia fontannesi (Dollfus & Dautzenberg, 1886) † (FOSSIL)
fontannesi, Saccoia fontannesi Angelone, 2011 † (FOSSIL)
fontinalis, Belgrandiella fontinalis (Schmidt, 1847)
forbesi, Hydrobia forbesi Arkell † (FOSSIL)
foris, Austropyrgus foris Clark, Miller & Ponder, 2003
formosus, Goniochilus glandulinus formosus Troll (FOSSIL)
forsteri, Fluviopupa forsteri Zielske & Haase, 2014
forthensis, Beddomeia forthensis Ponder & Clark, 1993
forumjuliana, Iglica forumjuliana (Pollonera, 1887)
fraasi, Hydrobia fraasi (Blanckenhorn, 1897) † (FOSSIL)
francofurtana, Prososthenia francofurtana Fischer & Wenz, 1925 † (FOSSIL)
francomontanum, Bythiospeum francomontanum (Bernasconi, 1973)
franconica spirata, Vitrella franconica spirata Geyer, 1904 - syn of: Bythiospeum clessini (Weinland, 1883)
franconica spirella, Vitrella franconica spirella Geyer, 1904 - syn of: Bythiospeum clessini (Weinland, 1883)
franklandensis, Beddomeia franklandensis Ponder & Clark, 1993
franklinensis, Beddomeia franklinensis Ponder & Clark, 1993
franzi, Dasyscias franzi Thompson & Hershler, 1991
fraterculus, Catapyrgus fraterculus Haase, 2008
fraterna, Cincinnatia fraterna (Thompson, 1968)
frauenfeldi, Caspia frauenfeldi (Hörnes, 1856) † (FOSSIL)
frauenfeldi, Hydrobia frauenfeldi (Hörnes, 1856) † (FOSSIL)
frauenfeldi bohemica, Hydrobia frauenfeldi bohemica Procházka, 1900 † (FOSSIL)
frauenfeldi suturata, Hydrobia frauenfeldi suturata (Fuchs, 1873) † (FOSSIL)
fresti, Pyrgulopsis fresti Hershler & Liu, 2009
freswota, Fluviopupa freswota Zielske & Haase, 2014
freyeri, Micromelania freyeri Brusina, 1897 † (FOSSIL)
frici, Acme frici Flach, 1889 † - syn of: Acicula fusca frici (Flach, 1889) † (FOSSIL)
friedbergi, Hydrobia friedbergi Simionescu & Barbu, 1940 † (FOSSIL)
fromensis, Beddomeia fromensis Ponder & Clark, 1993
fuchsi, Orygoceras fuchsi (Kittl, 1886) † (FOSSIL)
fuchsi, Belgrandiella fuchsi Boeters, 1970
fuchsi, Orygoceras fuchsi Gorjanovic-Kramberger, 1890 † (FOSSIL)
fuchsi, Goniochilus banaticus fuchsi Papp (FOSSIL)
fuchsi, Prososthenia fuchsi Pavlovic, 1903 † (FOSSIL)
fuchsiana, Micromelania fuchsiana Brusina, 1874 † (FOSSIL)
fultoni, Beddomeia fultoni Ponder & Clark, 1993
fusca, Pyrgulopsis fusca Hershler, 1998
fuschi, Belgrandiella fuschi Boeters, 1970 - syn of: Belgrandiella mimula Haase, 1996
fusiformis, Prososthenia fusiformis Pavlovic, 1927 † (FOSSIL)
gabonensis, Hydrobia gabonensis Morelet, 1885
gaddisorum, Marstonia gaddisorum Thompson, 2004
gaerii, Pyrgula gaerii (Clessin & Dybowski, 1888)
gagatinella, Adriohydrobia gagatinella (Küster, 1852)
gaillardi, Caspia gaillardi (Tadjalli-Pour, 1977)
gaillardotii, Pseudamnicola gaillardotii (Bourguignat, 1856)
gaiteri, Islamia gaiteri Bodon, Manganelli, Sparacio & Giusti, 1995
gaitieri, Islamia gaitieri Bodon, Manganelli, Sparacio & Giusti, 1995 - syn of: Islamia gaiteri Bodon, Manganelli, Sparacio & Giusti, 1995
galaica, Alzoniella galaica (Boeters & Rolán, 1988)
ganslmayri, Belgrandiella ganslmayri Haase, 1993
gardineri, Rakipyrgus gardineri Climo, 1974 - syn of: Rakipyrgus gardneri (Climo, 1974)
gardneri, Rakipyrgus gardneri (Climo, 1974)
gardonense, Bythiospeum gardonense Girardi, 2009
garnieri, Bythiospeum garnieri (Sayn, 1889)
gasulli, Didacus gasulli (Boeters, 1981)
gasulli, Tarraconia gasulli (Boeters, 1981)
gasulli, Pseudamnicola gasulli Boeters, 1981 - syn of: Didacus gasulli (Boeters, 1981)
gatoa, Iberhoratia gatoa Boeters, 1980 - syn of: Milesiana schuelei (Boeters, 1981)
gauthieri, Mercuria gauthieri Glöer, Bouzid & Boeters, 2010
gebharti, Bythiospeum gebharti Wagner, 1931
gedjirica, Pontohydrobia gedjirica Badzoshvili, 1979 † (FOSSIL)
geldiayana, Pseudamnicola geldiayana Schütt, 1970
gemmata, Caspiohydrobia gemmata (Kolesnikov, 1947)
georgiana, Hydrobia georgiana Pfeffer, 1886 - syn of: Eatoniella georgiana (Pfeffer, 1886)
georgievi, Pseudamnicola georgievi Glöer & Pešic, 2012
gerannensis, Pseudamnicola gerannensis Rey, 1974 † (FOSSIL)
gerassimovi, Probaicalia gerassimovi (Reis, 1910) † (FOSSIL)
gerhardfalkneri, Pseudamnicola gerhardfalkneri Glöer, Bouzid & Boeters, 2010
germaini, Islamia germaini Boeters & Falkner, 2003
germari, Radomaniola curta germari Frauenfeld
gersondei, Staja gersondei (Willmann, 1982) † (FOSSIL)
geyeri, Bythiospeum geyeri (Fuchs, 1925)
gfrast, Belgrandia gfrast Haase, 2000
ghamizii, Pseudamnicola ghamizii Glöer, Bouzid & Boeters, 2010
gibba, Hydrobia gibba (Braun, 1851) † (FOSSIL)
gibba, Belgrandia gibba (Draparnaud, 1805)
gibba, Pyrgulopsis gibba Hershler, 1995
gibberula, Belgrandia gibberula Paladilhe, 1869
gibbula, Vitrella gibbula Flach, 1886 - syn of: Bythiospeum puerkhaueri (Clessin, 1877)
gibbulum, Bythiospeum gibbulum (Flach, 1886)
giennensis, Islamia henrici giennensis Arconada & Ramos
giganteum, Bythiospeum charpyi giganteum Bernasconi
gilae, Pyrgulopsis gilae (Taylor, 1987)
gilae, Fontelicella gilae Taylor, 1987 - syn of: Pyrgulopsis gilae (Taylor, 1987)
gippslandicus, Austropyrgus gippslandicus Ponder, Colgan, Clark, Miller & Terzis, 1994
girondica, Hydrobia girondica Boettger, 1892 † (FOSSIL)
girondica umbilicaris, Hydrobia girondica umbilicaris Cossmann & Peyrot, 1918 † (FOSSIL)
gittenbergeri, Iglica gittenbergeri Reischütz & Reischütz, 2008
giuliani, Pyrgulopsis giuliani Hershler & Pratt, 1990
giustii, Iglica giustii Bodon & Giovannelli, 1995
gjorgjevici, Lyhnidia gjorgjevici Hadžišce, 1959
gladilini, Plagigeyeria gladilini Kušcer, 1937
gladilini, Pyrgula gladilini Pavlovic, 1932 † (FOSSIL)
gladilini procerula, Plagigeyeria gladilini procerula Angelov, 1965 - syn of: Plagigeyeria procerula (Angelov, 1965)
glandulinus, Goniochilus glandulinus (Stoliczka, 1862) † (FOSSIL)
glandulinus formosus, Goniochilus glandulinus formosus (Troll, 1907) † (FOSSIL)
glandulinus haidingeri, Goniochilus glandulinus haidingeri (Stoliczka, 1862) † (FOSSIL)
glandulosa, Pyrgulopsis glandulosa Hershler, 1988
glaucovirens, Hydrobia glaucovirens (Melvill & Ponsonby, 1896)
glenelgensis, Austropyrgus glenelgensis Clark, Miller & Ponder, 2003
glinensis, Belgrandiella lacheineri glinensis Radoman
globosa, Caldicochlea globosa (Ponder, Colgan, Terzis & Clark, 1995)
globosa, Saccoia globosa Harzhauser & al., 2015 † (FOSSIL)
globulina, Bania globulina (Kókay, 2006) † (FOSSIL)
globulina, Mercuria globulina (Letourneux & Bourguignat, 1887)
globulosa, Belgrandiella globulosa Bole, 1979
globulosa, Jekeliella gradata globulosa Jekelius (FOSSIL)
globulosa, Pseudamnicola margarita globulosa Jekelius (FOSSIL)
globulus, Islamia globulus (Bofill, 1919)
globulus, Hauffenia globulus Bofill, 1919 - syn of: Islamia globulus (Bofill, 1919)
globulus agari, Islamia globulus agari (Altimira, 1960)
globulus lagari, Islamia globulus lagari Altimira, 1960 - syn of: Islamia globulus agari (Altimira, 1960)
gloeri, Anatolidamnicola gloeri Sahin, Koca & Yildirim, 2012
gloeri brevis, Anatolidamnicola gloeri brevis Sahin, Koca & Yildirim, 2012
gloriae, Bythiospeum gloriae (Rolán & Martínez-Ortí, 2003)
gluhodolica, Vinodolia gluhodolica (Radoman, 1973)
glyca, Hydrobia glyca (Servain, 1880)
gmelini aluschtensis, Pyrgula gmelini aluschtensis Golikov & Starobogatov, 1972 - syn of: Caspia makarovi (Golikov & Starobogatov, 1966)
gmelini knipowitchi, Caspia gmelini knipowitchi Makarov, 1938 - syn of: Caspia knipowitchi Makarov, 1938
gmelini stanislavi, Caspia gmelini stanislavi Alexenko, Starobogatov, 1987 - syn of: Caspia stanislavi Alexenko & Starobogatov, 1987
gmelinii, Caspia gmelinii (Clessin & Dybowski, 1887)
gobanzi, Bania gobanzi (Frauenfeld, 1864) † (FOSSIL)
goksunensis, Pseudamnicola goksunensis Glöer, Gürlek & Kara, 2014
goliathus, Austropyrgus goliathus Clark, Miller & Ponder, 2003
goniogyra, Baglivia goniogyra Brusina, 1892 † (FOSSIL)
gonostoma, Bythiospeum gonostoma (Geyer, 1905)
gordonensis, Austropyrgus gordonensis Clark, Miller & Ponder, 2003
gorianovici, Micromelania gorianovici Andrusov, 1897 † (FOSSIL)
gorjanovici, Orygoceras gorjanovici Pavlovic, 1926 † (FOSSIL)
gottscheana, Peringia gottscheana (Koenen, 1883) † (FOSSIL)
goviense, Bythiospeum goviense (Geyer, 1907)
graciliformis, Socenia graciliformis Papp, 1954 † (FOSSIL)
graciliformis, Pyrgula graciliformis Roshka, 1973 † (FOSSIL)
gracilis, Iglica gracilis (Clessin, 1882)
gracilis, Fluviopupa gracilis (Iredale, 1944)
gracilis, Dianella gracilis (Pavlovic, 1903) † (FOSSIL)
gracilis, Hydrobia gracilis (Rolle, 1860) † (FOSSIL)
gracilis, Micromelania gracilis Brusina, 1892 † (FOSSIL)
gracilis, Bythiospeum gracilis Flach, 1886 - syn of: Bythiospeum flachi Westerlund, 1886
gracilis, Pyrgulopsis gracilis Hershler, 1998
gracilis, Pupidrobia gracilis Iredale, 1944 - syn of: Fluviopupa gracilis (Iredale, 1944)
gracilis colmani, Fluviopupa gracilis colmani Ponder, 1982
gracilis erskinensis, Fluviopupa gracilis erskinensis Ponder, 1982
gracilis kingstoni, Fluviopupa gracilis kingstoni Ponder, 1982
gracilis pupa, Fluviopupa gracilis pupa Iredale, 1944
gradata, Jekeliella gradata (Fuchs, 1870) † (FOSSIL)
gradata, Pycnanema gradata Pan, 1980 † (FOSSIL)
gradata globulosa, Jekeliella gradata globulosa (Jekelius, 1944) † (FOSSIL)
graeca, Graecamnicola graeca (Fuchs, 1877) † (FOSSIL)
graeca, Islamia graeca Radoman, 1973
graecus, Goniochilus graecus (Wenz, 1919) † (FOSSIL)
grahamae, Pseudotryonia grahamae Thompson, 2001
grampianensis, Austropyrgus grampianensis (Gabriel, 1939)
grampianensis, Fluvidona grampianensis Gabriel, 1939 - syn of: Austropyrgus grampianensis (Gabriel, 1939)
grandis, Hydrobia grandis Cobalcescu, 1883 † (FOSSIL)
granjaensis, Pseudamnicola granjaensis Glöer & Zettler, 2007
granjanis, Pseudamnicola granjanis Glöer & Zettler, 2007
gratulabunda, Iglica gratulabunda (Wagner, 1910)
gratulabunda, Vitrella gratulabunda Wagner, 1910 - syn of: Iglica gratulabunda (Wagner, 1910)
gratulabunda kleinzellensis, Iglica gratulabunda kleinzellensis Reischütz, 1981 - syn of: Iglica kleinzellensis Reischütz, 1981
gravis, Spilochlamys gravis Thompson, 1968
gregaria, Prososthenia gregaria (Fuchs, 1877) † (FOSSIL)
gregaria, Hydrobia gregaria (Schlotheim, 1820) † (FOSSIL)
greggi, Colligyrus greggi (Pilsbry, 1935)
griffithsi, Fluvidona griffithsi Miller, Ponder & Clark, 1999
grigorievi, Euxinipyrgula grigorievi (Alexenko & Starobogatov, 1987)
grimmi, Pyrgula grimmi (Clessin & Dybowski, 1888)
grimmi, Ecrobia grimmi (Clessin & Dybowski, 1888)
grimmi, Caspiohydrobia grimmi (Clessin, 1888)
grimmi gemmata, Hydrobia grimmi gemmata Kolesnikov, 1947 - syn of: Caspiohydrobia gemmata (Kolesnikov, 1947)
grochmalickii, Pyrgohydrobia grochmalickii (Polinski, 1929)
groisenbachensis, Odontohydrobia groisenbachensis Harzhauser & al., 2012 † (FOSSIL)
guipuzcoa, Plesiella guipuzcoa Boeters, 2003
gullei, Pseudamnicola gullei Glöer, Yildirim & Kebapçi, 2015
gunnii, Austropyrgus gunnii (Frauenfeld, 1863)
gunnii, Fluvidona gunnii Frauenfeld, 1863 - syn of: Austropyrgus gunnii (Frauenfeld, 1863)
guranensis, Belgrandia guranensis Paladilhe, 1870 - syn of: Bythinella guranensis (Paladilhe, 1870)
guyenoti, Hydrobia guyenoti Binder, 1955
hadei, Daphniola hadei (Gittenberger, 1982)
hadei molai, Daphniola hadei molai (Reischütz & Reischütz, 2008)
hadouphylax, Vinodolia hadouphylax (Schütt, 1959)
hadzii, Saxurinator hadzii (Bole, 1961)
hadzii, Lyhnidia hadzii Hadžišce, 1959
haesitans, Belgrandiella haesitans (Westerlund, 1881)
haessleini, Bythiospeum haessleini (Zwanziger, 1939)
haeussleri, Bythiospeum haeussleri (Clessin, 1890)
haicabia, Alzoniella haicabia Boeters, 2000
haidingeri, Goniochilus glandulinus haidingeri Stoliczka (FOSSIL)
halcyon, Marstonia halcyon Thompson, 1977
hallae, Beddomeia hallae Ponder & Clark, 1993
halletensis, Austropyrgus halletensis Clark, Miller & Ponder, 2003
hamiltoniana, Prososthenia hamiltoniana (Forbes, 1845) † (FOSSIL)
hamlinensis, Pyrgulopsis hamlinensis Hershler, 1998
harrisi, Caldicochlea harrisi (Ponder, Colgan, Terzis, Clark & Miller, 1996)
hartkopfi, Lutetiella hartkopfi Kadolsky, 2015 † (FOSSIL)
hartwigschuetti, Alzoniella hartwigschuetti (Reischütz, 1983)
haszprunari, Muellerpalia haszprunari Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic † (FOSSIL)
haszprunari octonaria, Muellerpalia haszprunari octonaria (Brusina, 1902) † (FOSSIL)
haszprunari unicincta, Muellerpalia haszprunari unicincta (Lörenthey, 1906) † (FOSSIL)
haueri, Pseudodianella haueri (Neumayr, 1869) † (FOSSIL)
hauffei, Corrosella hauffei Delicado & Ramos, 2012
hauffeni, Iglica hauffeni (Brusina, 1886)
hausdorfi, Iverakia hausdorfi Glöer & Pešic, 2014
heberti, Tournoueria heberti Brusina, 1870 † (FOSSIL)
heldii, Bythiospeum heldii (Clessin, 1909)
heldreichii, Xestopyrguloides heldreichii (Fuchs, 1877) † (FOSSIL)
helicella, Pseudamnicola helicella (Sandberger, 1859) † (FOSSIL)
helicogyra, Cincinnatia helicogyra Thompson, 1968
hellenica, Iglica hellenica Falniowski & Sarbu, 2015
helveticum, Bythiospeum helveticum (Clessin, 1882)
hemphilli, Pristinicola hemphilli (Pilsbry, 1890)
hendersoni, Pyrgulopsis hendersoni Pilsbry, 1933
henrici, Islamia henrici Arconada & Ramos, 2006
henrici giennensis, Islamia henrici giennensis Arconada & Ramos, 2006
hermansi, Beddomeia hermansi Ponder & Clark, 1993
herminae, Fluviopupa herminae Zielske & Haase, 2014
hermitei, Hydrobia hermitei Wenz, 1919 † (FOSSIL)
herreroi, Islamia herreroi Bech, 1993
hershleri, Belgrandiella hershleri Slapnik, 1997
hershleri, Marstonia hershleri Thompson, 1995
hessei, Belgrandiella hessei Wagner, 1928
heussi, Belgrandia heussi Böttger, 1963
heussi alcoaensis, Belgrandia heussi alcoaensis Böttger, 1963 - syn of: Belgrandia alcoaensis Böttger, 1963
hidalgoi, Marticia hidalgoi Brusina, 1902 † (FOSSIL)
hinzi, Corrosella hinzi Boeters, 1986
hissarica, Martensamnicola hissarica (Zhadin, 1950)
hoeckae, Bania hoeckae (Harzhauser & Binder, 2004) † (FOSSIL)
hoernesi, Hydrobia hoernesi Friedberg † (FOSSIL)
hohenackeri, Belgrandiella hohenackeri (Küster, 1853)
hohenackeri, Turcorientalia hohenackeri Küster, 1853 - syn of: Belgrandiella hohenackeri (Küster, 1853)
hohenackeri marginata, Belgrandiella hohenackeri marginata (Westerlund, 1881)
horatieformis, Plagigeyeria horatieformis Starobogatov, 1962
hovinghi, Pyrgulopsis hovinghi Hershler, 1998
hrustovoense, Bythiospeum hrustovoense Glöer & Grego, 2015
hualapaiensis, Pyrgulopsis hualapaiensis Hershler, Liu & Stevens, 2016
hubbsi, Pyrgulopsis hubbsi Hershler, 1998
hubenovi, Belgrandiella hubenovi Georgiev, 2012
hullii, Petterdiana hullii (Petterd, 1889)
humboldtensis, Pyrgulopsis humboldtensis Hershler, 1998
hungarica, Pseudamnicola hungarica (Frauenfeld, 1862) † (FOSSIL)
hungarica, Pyrgula hungarica Lörenthey, 1894 † (FOSSIL)
hungaricum, Bythiospeum hungaricum (Soós, 1927)
husainovae, Caspiohydrobia husainovae (Starobogatov, 1974)
husmanni, Bythiospeum husmanni (Böttger, 1963)
hyas, Myrtoessa hyas Radea, 2016
hydrobiopsis, Corrosella hydrobiopsis Boeters, 1998
hydrobiopsis, Belchatovia hydrobiopsis Kadolsky & Piechocki, 2000 † (FOSSIL)
hydruntina, Hydrobia dubuissoni hydruntina Esu & Girotti (FOSSIL)
ianthe, Pseudamnicola ianthe Radea & Parmakelis, 2016
iberica, Hydrobia iberica Jodot, 1953
iberopyrenaica, Alzoniella iberopyrenaica Arconada, Rolán & Boeters, 2007
idahoensis, Pyrgulopsis idahoensis Pilsbry, 1933
ignota, Pyrgulopsis ignota Hershler, Liu & Lang, 2010
ilieni, Pyrgula elegantissima ilieni Jekelius (FOSSIL)
ilione, Pseudamnicola ilione Radea & Parmakelis, 2016
iljinae, Turricaspia iljinae (Golikov & Starobogatov, 1966)
illyrica, Iglica illyrica Schütt, 1975
iltchoi, Bythiospeum iltchoi Georgiev & Glöer, 2015
iltchokolevi, Bythiospeum iltchokolevi Georgiev & Glöer, 2015
imitata, Phreatodrobia imitata Hershler & Longley, 1986
immutata, Bania immutata (Hörnes, 1856) † (FOSSIL)
imperialis, Pyrgulopsis imperialis Hershler, 1998
impressa, Micromelania impressa Wenz, 1925 † (FOSSIL)
inaspectus, Microbeliscus inaspectus (Fuchs, 1870) † (FOSSIL)
incerta, Socenia incerta (Brusina, 1892) † (FOSSIL)
incerta, Trochispira incerta Pan, 1980 † (FOSSIL)
incerta, Turricaspia incerta Roshka, 1973 † (FOSSIL)
incipiens, Prososthenia incipiens Pantanelli, 1886 † (FOSSIL)
incisa, Pyrgula incisa Fuchs, 1870 † (FOSSIL)
incisa obesa, Pyrgula incisa obesa Bartha, 1956 † (FOSSIL)
incisa pannonica, Pyrgula incisa pannonica Lörenthey, 1906 † (FOSSIL)
incomparabilis, Turricaspia incomparabilis Anistratenko & Gozhik, 1995 † (FOSSIL)
incrassata, Hydrobia obtusa incrassata Wenz (FOSSIL)
inexpectata, Prososthenia inexpectata Kadolsky, 1988 † (FOSSIL)
inflata, Saganoa inflata (Climo, 1974)
inflata, Hydrobia inflata (Pusch, 1837) † (FOSSIL)
inflata, Kuschelita inflata Climo, 1974
inflata, Pseudamnicola inflata Jekelius, 1944 † (FOSSIL)
inflata, Beddomeia inflata Ponder & Clark, 1993
inflata, Trochidrobia inflata Ponder, Hershler & Jenkins, 1989
inopinata, Pyrgulopsis inopinata Hershler, 1998
insperata, Taylorconcha insperata Hershler, 2006
integra, Cincinnatia integra (Say, 1821)
intermedia, Turricaspia intermedia (Andrusov, 1902) † (FOSSIL)
intermedia, Pyrgulopsis intermedia (Tryon, 1865)
interrupta, Pyrgula interrupta Brusina, 1878 † (FOSSIL)
intortum, Orygoceras intortum Brusina, 1902 † (FOSSIL)
intranodosa, Pseudamnicola intranodosa Schütt & Sesen, 1993
ionica, Belgrandia ionica (Schütt, 1980)
irenae, Nematurella irenae Schlickum, 1964 † (FOSSIL)
irinimeke, Fluviopupa irinimeke Haase, Ponder & Bouchet, 2006
irregularis, Lapparentia irregularis (Deshayes, 1862) † (FOSSIL)
irubensis, Alzoniella perrisii irubensis Boeters
iruritai, Corrosella iruritai (Delicado, Machordom & Ramos, 2012)
islamioides, Sardohoratia islamioides Manganelli, Bodon & al., 1998
islamoides, Sardohoratia islamoides Manganelli, Bodon & al., 1998
ismailensis, Turricaspia ismailensis (Golikov & Starobogatov, 1966)
ismailensis, Pseudopaludinella ismailensis Anistratenko, 1992
isogonus, Birgella subglobosus isogonus Say
isolata, Pyrgulopsis isolata Hershler & Sada, 1987
isseli, Pyrgula isseli Logvinenko & Starobogatov, 1968
issykkulensis, Pseudocaspia issykkulensis (Clessin, 1894)
italicus, Goniochilus italicus (Andrusov, 1890) † (FOSSIL)
jablanicensis, Pyrgohydrobia jablanicensis Radoman, 1955
jadertina, Kerkia jadertina (Kušcer, 1933)
jadertina, Hauffenia jadertina Kušcer, 1933
jadertina sinjana, Hauffenia jadertina sinjana Kušcer, 1933
jalpuhensis, Maeotidia jalpuhensis (Roshka, 1973) † (FOSSIL)
jazzi, Bythiospeum jazzi Georgiev & Glöer, 2013
jeanyvesi, Fluviopupa jeanyvesi Haase, Gargominy & Fontaine, 2005
jenkinsi, Paludestrina jenkinsi Smith, 1889 - syn of: Potamopyrgus antipodarum (Gray, 1843)
jenkinsi aculeata, Paludestrina jenkinsi aculeata Overton, 1905 - syn of: Potamopyrgus antipodarum (Gray, 1843)
jesswiseae, Jardinella jesswiseae Ponder & Clark, 1990
johanseni, Caspiohydrobia johanseni Frolova, 1984
joosei, Hydrobia joosei Van Aartsen, Menkhorst & Gittenberger, 1984 - syn of: Hydrobia glyca (Servain, 1880)
joossei, Hydrobia joossei Van Aartsen, Menkhorst & Gittenberger, 1984 - syn of: Hydrobia glyca (Servain, 1880)
jordanica, Islamia jordanica Alhejoj & Bandel, 2013 † (FOSSIL)
jordaoi, Belgrandia jordaoi G. Holyoak, D. Holyoak & da Costa Mendes, 2017
josianae, Bythiospeum josianae Callot-Girardi, Wienin, Girardi & Racamond, 2017
juliae, Austropyrgus juliae Clark, Miller & Ponder, 2003
juliae, Bythiospeum juliae Georgiev & Glöer, 2015
junqua, Alzoniella junqua Boeters, 2000
jurana, Avenionia jurana Locard, 1893 - syn of: Avenionia brevis (Draparnaud, 1805)
jurassica, Pseudamnicola jurassica Yu, 1974 † (FOSSIL)
kadimai, Nematurella kadimai Brusina, 1902 † (FOSSIL)
kahbei, Corrosella valladolensis kahbei Boeters, Girardi & Knebelsberger
kainarensis, Pseudocaspia kainarensis Starobogatov, 1972
kamirensis, Rhodopyrgula kamirensis Willmann, 1981 † (FOSSIL)
kanalitensis, Iglica kanalitensis Reischütz, Reischütz & Reischütz, 2016
karamani, Iglica karamani (Kušcer, 1935)
karamani, Lyhnidia karamani Hadžišce, 1959
kareli, Kerkia kareli Beran, Bodon & Cianfanelli, 2014
karevi, Ohrigocea karevi Hadžišce, 1959
katlabuhensis, Caspia katlabuhensis Roshka, 1973 † (FOSSIL)
kawanensis, Saganoa kawanensis Masuda & Habe, 1984
kayseriensis, Pseudamnicola kayseriensis Glöer, Yildirim & Kebapçi, 2015
kazakhstanica, Caspiohydrobia kazakhstanica Starobogatov & Andreeva, 1981
kelterborni, Pontohydrobia kelterborni (Wenz, 1927) † (FOSSIL)
kephalovrissonia, Trichonia kephalovrissonia Radoman, 1973
kerchensis, Pseudamnicola kerchensis Iljina, 1976 † (FOSSIL)
kermanshahensis, Intermaria kermanshahensis (Glöer & Pešic, 2009)
kermanshahensis, Pseudamnicola kermanshahensis Glöer & Pešic, 2009 - syn of: Intermaria kermanshahensis (Glöer & Pešic, 2009)
kerschneri, Hauffenia kerschneri (Zimmermann, 1930)
kershawi, Beddomeia kershawi Ponder & Clark, 1993
kessneri, Beddomeia kessneri Ponder & Clark, 1993
kessneri, Fluviopupa kessneri Ponder & Shea, 2014
khorrasanensis, Kaskakia khorrasanensis Glöer & Pešic, 2012
kicavica, Radomaniola curta kicavica Radoman
kingstoni, Fluviopupa gracilis kingstoni Ponder
kishiiana, Akiyoshia kishiiana Kuroda, Habe & Tamu, 1958
kissdalmae, Hauffenia kissdalmae Eröss & Petró, 2008
klagenfurtensis, Belgrandiella klagenfurtensis Haase, 1994
klaici, Gyromelania klaici (Brusina, 1897) † (FOSSIL)
klecakiana, Horatia klecakiana Bourguignat
kleinzellensis, Iglica kleinzellensis Reischütz, 1981
klemmi, Bythiospeum klemmi (Boeters, 1969)
klemmi, Nematurella klemmi Schlickum, 1964 † (FOSSIL)
klemmi, Plagigeyeria klemmi Schütt, 1961
klietmanni, Cyclothyrella klietmanni (Neubauer, 2011) † (FOSSIL)
knidirii, Heideella knidirii Ghamizi, 1998
knipowitchi, Caspia knipowitchi Makarov, 1938
knipowitschii, Clathrocaspia knipowitschii Makarov, 1938
knysnaensis, Hydrobia knysnaensis (Krauss, 1848)
kobayashii, Akiyoshia kobayashii Kuroda & Habe, 1958
kobelti, Acme kobelti Wagner, 1910 - syn of: Renea kobelti (Wagner, 1910)
kocapinarica, Graecoanatolica kocapinarica Radoman, 1973
kochii, Goniochilus kochii (Fuchs, 1870) † (FOSSIL)
kojumdgievae, Caspia kojumdgievae Roshka, 1973 † (FOSSIL)
kolesnikoviana, Pyrgula kolesnikoviana Logvinenko & Starobogatov, 1966
kolevi, Bythiospeum kolevi Georgiev, 2013
kolobensis, Pyrgulopsis kolobensis Taylor, 1987
komenskyi, Belgrandiella komenskyi Hüdec, 1972
konstantinovici, Pyrgula konstantinovici Pavlovic, 1932 † (FOSSIL)
koprivnensis, Belgrandiella koprivnensis Radoman, 1975
korobebe, Fluviopupa korobebe Zielske & Haase, 2014
korobkovi, Turricaspia korobkovi Roshka, 1973 † (FOSSIL)
kosovica, Terranigra kosovica Radoman, 1978
kotlusae, Lanzaia kotlusae Bole, 1992
kotschyi, Pseudamnicola kotschyi (Frauenfeld, 1863)
kowalewskii, Pyrgula kowalewskii (Clessin & Dybowski, 1888)
krambergeri, Caspia krambergeri (Lörenthey, 1902) † (FOSSIL)
kraussi, Bythiospeum kraussi (Weinland, 1883)
kraussii, Vitrella kraussii Weinland, 1883 - syn of: Bythiospeum clessini (Weinland, 1883)
kreisslorum, Belgrandiella kreisslorum Reischütz, 1997
krejcii, Pyrgula krejcii Wenz, 1932 † (FOSSIL)
krkae, Hadziella krkae Bole, 1992
krumensis, Pseudamnicola krumensis Glöer, Grego, Eröss & Fehér, 2015
krupensis, Belgrandiella krupensis Radoman, 1973
krushunica, Devetakia krushunica Georgiev & Glöer, 2011
krybetes, Beddomeia krybetes Ponder & Clark, 1993
kubanica, Hydrobia kubanica Zhizhchenko, 1936 † (FOSSIL)
kuesteri, Belgrandiella kuesteri (Boeters, 1970)
kuiperi, Palacanthilhiopsis kuiperi Girardi, 2009
kundukensis, Turricaspia aberrans kundukensis Roshka (FOSSIL)
kupensis, Prososthenia kupensis Brusina, 1902 † (FOSSIL)
kusceri, Kerkia kusceri (Bole, 1961)
kusceri, Zaumia kusceri (Hadžišce, 1959)
kusceri, Belgrandiella kusceri (Wagner, 1914)
kusceri, Lanzaia vjetrenicae kusceri Karaman
kutikina, Phrantela kutikina Ponder & Clark, 1993
kutschigi, Hydrobia kutschigi Küster
labiatum, Bythiospeum labiatum (Geyer, 1904)
labiatus, Saxurinator labiatus (Schütt, 1963)
lacheineri, Belgrandiella lacheineri (Küster, 1852)
lacheineri adriolitoralis, Belgrandiella lacheineri adriolitoralis Radoman, 1975
lacheineri glinensis, Belgrandiella lacheineri glinensis Radoman, 1975
lactea, Hydrobia lactea (Küster, 1852)
lacustris, Probythinella emarginata lacustris Baker
lacustris limafodens, Probythinella lacustris limafodens Morrison, 1947 - syn of: Probythinella emarginata (Küster, 1852)
lacustristurca, Graecoanatolica lacustristurca Radoman, 1973
laevigata, Pseudamnicola laevigata (Jekelius, 1932) † (FOSSIL)
laevigata, Caspia laevigata Jekelius, 1944 † (FOSSIL)
laevigata, Micromelania laevigata Pavlovic, 1927 † (FOSSIL)
laevis, Micromelania laevis (Fuchs, 1870) † (FOSSIL)
laevis auriculata, Micromelania laevis auriculata Brusina, 1881 † (FOSSIL)
laevissima, Pyrgula laevissima De Stefani, 1877 † (FOSSIL)
lagari, Islamia lagari (Altimira, 1960)
laiae, Islamia laiae Altaba, 2007 - syn of: Islamia archeducis Boeters & Beckmann, 2007
lailai, Fluviopupa lailai Zielske & Haase, 2014
lakonica, Prososthenia lakonica Schütt, 1988 † (FOSSIL)
lali, Fluviopupa lali Haase, Ponder & Bouchet, 2006
lalinimeke, Fluviopupa lalinimeke Haase, Ponder & Bouchet, 2006
laminatocarinata, Pyrgula laminatocarinata (Andrusov, 1890) † (FOSSIL)
lamperti, Bythiospeum lamperti (Geyer, 1907)
lamperti senefelderi, Vitrella lamperti senefelderi Geyer, 1907 - syn of: Bythiospeum senefelderi (Geyer, 1907)
lamperti taxisi, Vitrella lamperti taxisi Geyer, 1907 - syn of: Bythiospeum taxisi (Geyer, 1907)
landyei, Pyrgulopsis landyei Hershler, 1998
langhofferi, Iglica langhofferi Wagner, 1928
lapadensis, Micromelania lapadensis Lörenthey, 1893 † (FOSSIL)
laskarevi, Pyrgula laskarevi Pavlovic, 1927 † (FOSSIL)
lasseni, Pyrgulopsis lasseni Hershler, Frest, Liu, & Johannes, 2003
lata, Pyrgulopsis lata Hershler, 1998
latasteana, Pseudamnicola latasteana Letourneux & Bourguignat, 1887
latecostata, Lanzaia vjetrenicae latecostata Schütt
laticarinata, Pyrgula basalis laticarinata Logvinenko & Starobogatov
latina, Belgrandia latina (Settepassi, 1965)
latina, Islamia latina Radoman, 1973
latina, Belgrandia latina Settepassi, 1965 - syn of: Belgrandia latina (Settepassi, 1965)
latior, Caspia latior (Sandberger, 1886) † (FOSSIL)
latus, Austropyrgus latus Clark, Miller & Ponder, 2003
launcestonensis, Beddomeia launcestonensis (Johnston, 1872)
lauta, Socenia lauta Jekelius, 1944 † (FOSSIL)
lauterborni, Bythiospeum sterkianum lauterborni Haas
lemani, Schuettemmericia lemani (Basterot, 1825) † (FOSSIL)
lencoranica, Pyrgula lencoranica Logvinenko & Starobogatov, 1968
leneumicra, Pseudopaludinella leneumicra (Bourguignat, 1876)
lenoiri, Schuettemmericia lenoiri (Schlickum, 1968) † (FOSSIL)
lentiglans, Pyrgulopsis lentiglans Hershler, 1998
leobersdorfensis, Odontohydrobia leobersdorfensis (Papp, 1953) † (FOSSIL)
leobersdorfensis, Micromelania leobersdorfensis Papp, 1953 † (FOSSIL)
leognanensis, Pseudamnicola leognanensis (Cossmann & Peyrot, 1918) † (FOSSIL)
leonorae, Hadziella leonorae Rolán, Pardo & Pardo, 2007
leontina, Pseudamnicola leontina Grossu, 1986
leporina, Pyrgulopsis leporina Hershler, 1998
leprevieri, Pseudamnicola leprevieri (Pallary, 1926)
leptospira, Cincinnatia leptospira Thompson, 2000
leruthi, Bythiospeum leruthi (Böttger, 1940)
letochae, Micromelania letochae (Fuchs, 1873) † (FOSSIL)
letourneuxi, Horatia letourneuxi Bourguignat, 1887
letourneuxiana, Pseudamnicola letourneuxiana (Bourguignat, 1862)
letsoni, Marstonia letsoni (Walker, 1901)
levantina, Chondrobasis levantina (Arconada & Ramos, 2000)
levis, Orygoceras levis Gorjanovic-Kramberger, 1890 † (FOSSIL)
levis, Iraklimelania levis Willmann, 1981 † (FOSSIL)
licina, Pyrgulopsis licina Hershler, Liu & Bradford, 2013
ligustica, Avenionia ligustica Giusti & Bodon, 1981
likharevi, Tadzhikamnicola likharevi (Izzatullaev, 1973)
limafodens, Probythinella limafodens Taylor, 1975 - syn of: Probythinella emarginata (Küster, 1852)
limanica, Euxinipyrgula limanica (Golikov & Starobogatov, 1966)
limaria, Pyrgulopsis limaria Hershler, 1998
limnicola, Hydrobia limnicola (Rolle, 1860) † (FOSSIL)
limosa, Hydrobia limosa Preston, 1915 - syn of: Littoridina limosa (Preston, 1915)
linae, Pseudamnicola linae Glöer, Bouzid & Boeters, 2010
lincta, Euxinipyrgula lincta (Milaschewitsch, 1908)
lincta, Laevicaspia lincta Milaschewitsch, 1908 - syn of: Euxinipyrgula lincta (Milaschewitsch, 1908)
lindae, Pyrgulopsis lindae Hershler, Liu & al., 2016
lindahlae, Pyrgulopsis lindahlae Hershler, Liu, Forsythe, Hovingh & Wheeler, 2017
lindholmi, Turkmenamnicola lindholmi (Zhadin, 1952)
lindholmi, Pseudamnicola lindholmi Böttger, 1889 - syn of: Pseudamnicola raddei Böttger, 1889
lindholmiana, Turricaspia conus lindholmiana Golikov & Starobogatov
lineata, Hydrobia lineata Jekelius, 1944 † (FOSSIL)
lineata, Hydrobia lineata Mandahl-Barth, 1973
lineata pyranaica, Acme lineata pyranaica de Folin & Bèrillon, 1877 - syn of: Acicula fusca (Montagu, 1803)
lineolata, Micromelania lineolata Brusina, 1892 † (FOSSIL)
lineumicra, Hydrobia lineumicra Bourguignat, 1876 - syn of: Ecrobia ventrosa (Montagu, 1803)
lioneli, Hydrobia lioneli Preston, 1915 - syn of: Littoridina lioneli (Preston, 1915)
lippus, Austropyrgus lippus Clark, Miller & Ponder, 2003
lirata, Pyrgula lirata (Dybowski & Grochmalicki, 1915)
lirata, Turricaspia lirata (Dybowski & Grochmalicki, 1915)
lirata marisnigri, Turricaspia lirata marisnigri Starobogatov, 1987
ljaurica, Caspiohydrobia ljaurica Starobogatov & Izzatullaev, 1974
ljiljanae, Zeteana ljiljanae Glöer & Pešic, 2014
ljovuschkini, Horatia ljovuschkini Starobogatov, 1962
ljovuschkini, Pseudocaspia ljovuschkini Starobogatov, 1972
lobostoma, Pseudamnicola lobostoma Schütt, 1973 † (FOSSIL)
locardi, Belgrandia locardi Bofill, 1925 - syn of: Belgrandia marginata (Michaud, 1831)
lochi, Austropyrgus lochi Clark, Miller & Ponder, 2003
lockensis, Pyrgulopsis lockensis Hershler, 1998
loczyi, Micromelania loczyi Lörenthey, 1894 † (FOSSIL)
lodderae, Beddomeia lodderae Petterd, 1889
logvinenkoi, Caspia logvinenkoi (Golikov & Starobogatov, 1966)
lomica, Belgrandiella lomica Georgiev & Glöer, 2015
longae, Pyrgulopsis longae Hershler, 1995
longaeva, Hydrobia longaeva Neumayr, 1875 † (FOSSIL)
longiglans, Pyrgulopsis longiglans Hershler, 1998
longinqua, Pyrgulopsis longinqua (Gould, 1855)
longiscata, Hydrobia longiscata Bourguignat, 1856 - syn of: Semisalsa longiscata (Bourguignat, 1856)
longiuscula, Nematurella subcarinata longiuscula Sacco (FOSSIL)
longleyi, Texapyrgus longleyi Thompson & Hershler, 1991
louisi, Daphniola louisi Falniowski & Szarowska, 2000
louisianae, Vioscalba louisianae Morrison, 1965
luberonense, Bythiospeum diaphanum luberonense Girardi
lucensis, Belgrandiella lucensis (Rolán, 1992)
lucensis, Hydrobia lucensis Issel - syn of: Pseudamnicola anatina (Draparnaud)
lucidula, Hauffenia lucidula (Angelov, 1967)
lugdunensis, Tournouerina lugdunensis (Tournouër, 1879) † (FOSSIL)
luisi, Corrosella luisi Boeters, 1984
lukai, Plagigeyeria lukai Glöer & Pešic, 2014
lunensis, Alzoniella lunensis Bodon & Cianfanelli, 2002
lusitanica, Belgrandia lusitanica (Paladilhe, 1867)
lusitanica, Hydrobia lusitanica Locard, 1899 - syn of: Peringia ulvae (Pennant, 1777)
lustrica, Marstonia lustrica (Pilsbry, 1890)
lutaria, Petterdiana lutaria Baker, 1941 - syn of: Brazieria lutaria (Baker, 1941)
luteola, Pseudamnicola luteola (Küster, 1862)
luvilana, Hydrobia luvilana Mandahl-Barth, 1973
luxurians, Iglica luxurians (Kušcer, 1932)
lycica, Staja lycica (Oppenheim, 1919) † (FOSSIL)
maarensis, Belgrandiella maarensis Georgiev, 2013
maasseni, Iglica maasseni Schütt, 1980
mabillei, Hydrobia mabillei (Bourguignat, 1876)
mabilli, Peringia mabilli Bourguignat, 1876
macaulayi, Austropyrgus macaulayi Clark, Miller & Ponder, 2003
maceana, Mercuria maceana (Paladilhe, 1869)
macedonensis, Austropyrgus macedonensis Clark, Miller & Ponder, 2003
macedonica, Ohridopyrgula macedonica (Brusina, 1896)
macedonica, Horatia macedonica (Kušcer, 1937)
macedonica, Sumia macedonica Glöer & Mrkvicka, 2015
macedonica, Grossuana euxina macedonica Radoman
macedonica, Graecoanatolica macedonica Radoman & Stankovic, 1979
macedonica charensis, Ohridopyrgula macedonica charensis Radoman, 1978
macei, Hydrobia macei Paladilhe, 1867 - syn of: Eupaludestrina macei (Paladilhe, 1867)
macropus, Austropyrgus macropus Clark, Miller & Ponder, 2003
macrostoma, Pseudamnicola macrostoma (Küster, 1852)
macrostoma, Insignia macrostoma Angelov, 1972
macrostoma, Alzoniella macrostoma Bodon & Cianfanelli, 2002
macrostoma negropontica, Pseudamnicola macrostoma negropontica (Clessin, 1878)
maeotica, Staja maeotica (Iljina, 1976) † (FOSSIL)
maeotidiaeformis, Caspia maeotidiaeformis Roshka, 1973 † (FOSSIL)
magdalenae, Daphniola magdalenae Falniowski, 2015
magdalenae, Pseudamnicola magdalenae Falniowski, 2016
magna, Caspia magna Pana, 2003 † (FOSSIL)
magozensis, Pseudamnicola moussonii magozensis Boeters & Glöer
mahalonaensis, Sulawesidrobia mahalonaensis Zielske, Glaubrecht & Haase, 2011
maior, Pseudamnicola pagoda maior Jekelius (FOSSIL)
major, Peringia elongata major Monterosato
makarii, Marticia makarii Pavlovic, 1932 † (FOSSIL)
makarovi, Caspia makarovi (Golikov & Starobogatov, 1966)
makowskyi, Nematurella makowskyi (Rzehak, 1893) † (FOSSIL)
malandzii, Turricaspia malandzii Anistratenko & Gozhik, 1995 † (FOSSIL)
malaprespensis, Prespolitorea malaprespensis Radoman, 1973 - syn of: Parabythinella malaprespensis (Radoman, 1973)
malcevici, Pyrgula malcevici Brusina, 1893 † (FOSSIL)
malekulana, Fluviopupa malekulana Zielske & Haase, 2014
malickyi, Pseudamnicola malickyi Schütt, 1980
mamillata, Pseudamnicola mamillata Paladilhe, 1869 - syn of: Pseudamnicola moussonii (Calcara, 1841)
mana, Parateinostoma mana (Tausch, 1886) † (FOSSIL)
manantiali, Pyrgulopsis manantiali (Hershler, 1985)
mandici, Hauffenia mandici Neubauer & Harzhauser, 2014 † (FOSSIL)
mandrica, Devetakia mandrica Georgiev, 2012
manfredoniensis, Pseudamnicola manfredoniensis Wagner, 1927 - syn of: Pseudamnicola conovula (Frauenfeld, 1863)
manganellii, Alzoniella manganellii Bodon, Cianfanelli & Talenti, 1997
manueli, Corrosella manueli (Delicado, Machordom & Ramos, 2012)
marashi, Pseudamnicola marashi Glöer, Gürlek & Kara, 2014
marcida, Pyrgulopsis marcida Hershler, 1998
margalefi, Antillobia margalefi Altaba, 1993
margarita, Pseudamnicola margarita (Neumayr, 1875) † (FOSSIL)
margarita bifrons, Pseudamnicola margarita bifrons Jekelius, 1932 † (FOSSIL)
margarita globulosa, Pseudamnicola margarita globulosa Jekelius, 1932 † (FOSSIL)
margarita nuda, Pseudamnicola margarita nuda Jekelius, 1932 † (FOSSIL)
margaritaeformis, Pseudamnicola margaritaeformis (Andrusov, 1905) † (FOSSIL)
margaritula, Pseudamnicola margaritula (Fuchs, 1870) † (FOSSIL)
marginata, Belgrandia marginata (Michaud, 1831)
marginata, Pyrgula marginata (Westerlund, 1902)
marginata, Belgrandiella hohenackeri marginata Westerlund
marginata, Nematurella marginata Westerlund, 1902 - syn of: Pyrgula marginata (Westerlund, 1902)
margritae, Palacanthilhiopsis margritae Boeters & Falkner, 2003
marianae, Alzoniella marianae Arconada, Rolán & Boeters, 2007
mariapetrae, Caledoconcha mariapetrae Haase & Bouchet, 1998
mariatheresiae, Belgrandia mariatheresiae Giusti & Pezzoli, 1974
marilynae, Pyrgulopsis marilynae Hershler, Ratcliffe & al., 2014
marina, Andrusovia marina (Logvinenko & Starobogatov, 1968)
marisnigri, Turricaspia lirata marisnigri Starobogatov
marisolae, Corrosella marisolae (Delicado, Machordom & Ramos, 2012)
maritima, Ecrobia maritima (Milaschewitsch, 1916)
maritima, Hydrobia maritima Milaschewitsch, 1916 - syn of: Ecrobia maritima (Milaschewitsch, 1916)
maroccana, Hydrobia maroccana Pallary, 1921
maroskoi, Bythiospeum maroskoi Glöer & Grego, 2015
martensi, Clessiniola martensi Kolesnikov, 1947 - syn of: Turricaspia variabilis (Eichwald, 1838)
martensii, Turricaspia martensii (Clessin & Dybowski, 1888)
martini, Pyrgula martini Pavlovic, 1932 † (FOSSIL)
marulici, Pyrgula marulici Brusina, 1902 † (FOSSIL)
matapango, Catapyrgus matapango Haase, 2008
mathildaeformis, Pyrgula mathildaeformis Fuchs, 1870 † (FOSSIL)
matjasici, Vinodolia matjasici (Bole, 1961)
mayeri, Parhydrobia mayeri (Morgan, 1920) † (FOSSIL)
media, Hauffenia media Bole, 1961
megalodon, Sulawesidrobia megalodon Zielske, Glaubrecht & Haase, 2011
mekeniyaqona, Fluviopupa mekeniyaqona Haase, Ponder & Bouchet, 2006
mekewesi, Fluviopupa mekewesi Haase, Ponder & Bouchet, 2006
melissae, Fluviopupa melissae Haase, Fontaine & Gargominy, 2010
melitensis, Mercuria melitensis (Paladilhe, 1869)
meloussensis, Pseudamnicola meloussensis Altaba, 2007
meluzzii, Pseudamnicola meluzzii Boeters, 1976
meneghiniana, Prososthenia meneghiniana (De Stefani, 1874) † (FOSSIL)
meneghiniana, Turricaspia meneghiniana (Issel, 1865)
meneghiniana ukrainica, Turricaspia meneghiniana ukrainica Alexenko & Starobogatov, 1987 - syn of: Euxinipyrgula ukrainica (Alexenko & Starobogatov, 1987)
menisi, Micromelania menisi Brusina, 1902 † (FOSSIL)
meralae, Pseudamnicola meralae Glöer, Gürlek & Kara, 2014
merali, Pseudamnicola merali Glöer, Gürlek & Kara, 2014
meratensis, Bythiospeum meratensis Pezzoli, 2004
meridionalis, Mercuria meridionalis (Risso, 1826)
merriami, Pyrgulopsis merriami Pilsbry & Beecher, 1892
mersus, Austropyrgus mersus Clark, Miller & Ponder, 2003
mesibovi, Beddomeia mesibovi Ponder & Clark, 1993
messapica, Pseudamnicola messapica Esu & Girotti, 2010 † (FOSSIL)
metcalfi, Pyrgulopsis metcalfi Taylor, 1987
metochiana, Micromelania metochiana Miloševic, 1971 † (FOSSIL)
metochiana, Hydrobia metochiana Pavlovic, 1932 † (FOSSIL)
meyrarguense, Bythiospeum diaphanum meyrarguense Girardi
mica, Kuschelita mica Climo, 1974
mica, Pseudotryonia mica Hershler, Liu & Landye, 2011
mica, Cincinnatia mica Thompson, 1968
michaelis, Lobogenes michaelis Pilsbry & Beecher, 1927
michaelleae, Bythiospeum michaelleae Girardi, 2002
michaellensis, Bythiospeum diaphanum michaellensis Girardi
michaudi, Bythiospeum michaudi (Locard, 1882)
micra, Phreatodrobia micra (Pilsbry & Ferriss, 1906)
micra, Reesidella micra Pan, 1977 † (FOSSIL)
microbeliscus, Saxurinator microbeliscus Schütt, 1968
micrococcus, Pyrgulopsis micrococcus (Pilsbry, 1893)
microstoma, Alzoniella microstoma Bodon & Cianfanelli, 2002
microtesta, Socenia microtesta (Papp, 1954) † (FOSSIL)
mienisi, Islamia mienisi (Schütt, 1991)
mienisi, Mienisiella mienisi Schütt, 1991 - syn of: Islamia mienisi (Schütt, 1991)
milachevitchi, Euxinipyrgula milachevitchi (Golikov & Starobogatov, 1966)
miladinovorum, Ohrigocea miladinovorum Hadžišce, 1959
milae, Caspia milae Boeters, Glöer & Georgiev, 2015
milicevici, Goniochilus milicevici (Pavlovic, 1927) † (FOSSIL)
militaris, Pyrgulopsis militaris Hershler, 1998
millenaria, Pyrgulopsis millenaria Hershler, 1998
millerae, Victodrobia millerae Ponder & Clark, 1993
milleri, Pyrgulopsis milleri Hershler & Liu, 2010
mimula, Belgrandiella mimula Haase, 1996
minima, Pseudamnicola minima (Lörenthey, 1893) † (FOSSIL)
minima, Pauluccinella minima (Paulucci, 1881)
minima, Petterdiana minima (Petterd, 1889)
minima, Micromelania minima Pavlovic, 1927 † (FOSSIL)
minkleyi, Pyrgulopsis minkleyi (Taylor, 1966)
minoricensis, Hydrobia minoricensis Paladilhe, 1875 - syn of: Hydrobia acuta (Draparnaud, 1805)
minuscola, Belgrandia minuscola Paulucci, 1881 - syn of: Belgrandia minuscula (Paulucci, 1881)
minuscula, Belgrandia minuscula (Paulucci, 1881)
minuta, Islamia minuta (Draparnaud, 1805)
minuta, Sadleriana minuta (Nägele, 1903)
minuta, Ohridohauffenia minuta (Radoman, 1955)
minuta, Plagigeyeria minuta Bole & Velkovrh, 1987
minuta, Prososthenia minuta Pantanelli, 1879 † (FOSSIL)
minuta, Trochidrobia minuta Ponder, Hershler & Jenkins, 1989
minuta, Turricaspia minuta Roshka, 1973 † (FOSSIL)
minuta, Hydrobia minuta Totten, 1834
minuta consolationis, Islamia minuta consolationis (Bernasconi, 1985)
minutissima, Hydrobia minutissima (Grateloup, 1838) † (FOSSIL)
minutus, Mikrogoniochilus minutus Willmann, 1981 † (FOSSIL)
miocaena, Turcorientalia miocaena Schütt, 1991 † (FOSSIL)
miocaenica, Sellia miocaenica Kókay, 2006 † (FOSSIL)
mirnae, Istriana mirnae Velkovrh, 1971
mocsaryi, Pseudamnicola mocsaryi (Brusina, 1902) † (FOSSIL)
moenanum, Bythiospeum clessini moenanum Flach
moesia, Socenia moesia Jekelius, 1944 † (FOSSIL)
moesiacensis, Hydrobia moesiacensis Jekelius, 1944 † (FOSSIL)
moitessieri, Belgrandia moitessieri (Bourguignat, 1866)
molai, Daphniola hadei molai Reischütz & Reischütz
monaroensis, Austropyrgus monaroensis Clark, Miller & Ponder, 2003
monas, Paludestrina monas Pilsbry, 1899 - syn of: Aphaostracon monas (Pilsbry, 1899)
monilifera, Micromelania monilifera Brusina, 1874 † (FOSSIL)
monolithica, Micromelania monolithica (Bukowski, 1896) † (FOSSIL)
monotropida, Pseudamnicola monotropida (Brusina, 1892) † (FOSSIL)
monroensis, Cincinnatia monroensis (Dall, 1885)
monroensis, Littoridinops monroensis (Frauenfeld, 1863)
montana, Radomaniola montana (Radoman, 1973)
montana, Pyrgulopsis montana Hershler, 1998
montana, Belgrandiella montana Rolán, 1993
montbrunense, Bythiospeum montbrunense Girardi & Bertrand, 2009
montenegrina, Hydrobia montenegrina (Schütt, 1959)
montenegrina, Islamia montenegrina Glöer, Grego, Eröss & Fehér, 2015
montenegrinus, Saxurinator montenegrinus (Schütt, 1959)
montenigrina, Plagigeyeria montenigrina Bole, 1961
montezumensis, Pyrgulopsis montezumensis Hershler, 1988
monticola, Nanocochlea monticola Ponder & Clark, 1993
moolae, Fluviopupa moolae Zielske & Haase, 2014
moquiana, Turricaspia moquiana , † (FOSSIL)
moquiniana, Islamia moquiniana (Dupuy, 1851)
morasensis, Hydrobia morasensis Fontannes, 1883 † (FOSSIL)
morenoi, Iberhoratia morenoi Arconada, Delicado & Ramos, 2007
morgani, Tournoueria morgani Brusina, 1870 † (FOSSIL)
morimotoi, Saganoa morimotoi Kuroda & Habe, 1958
morrisoni, Pyrgulopsis morrisoni Hershler, 1988
mostarensis, Plagigeyeria mostarensis Kušcer, 1933
mostarensis, Radomaniola curta mostarensis Radoman
mostarensis ovalis, Plagigeyeria mostarensis ovalis Kušcer, 1933
moussonianum, Bythiospeum moussonianum (Paladilhe, 1869)
moussonii, Pseudamnicola moussonii (Calcara, 1841)
moussonii magozensis, Pseudamnicola moussonii magozensis Boeters & Glöer, 2015
mozleyi, Cincinnatia winkleyi mozleyi Walker
mucronata, Hydrobia mucronata Jekelius, 1944 † (FOSSIL)
multiformis, Belgrandiella multiformis Fischer & Reischütz, 1995
munda, Ginaia munda (Sturany, 1894)
munda sublitoralis, Ginaia munda sublitoralis Radoman, 1978
muriatica, Hydrobia muriatica Philippi, 1836 - syn of: Hydrobia cornea (Risso, 1826)
murita, Alzoniella murita Boeters, 2003
murtici, Kirelia murtici Radoman, 1973
musaensis, Hydrobia musaensis Frauenfeld, 1855
myadii, Moria myadii Mori, 1933 - syn of: Sphaerium miyadii Mori, 1933
nageli, Graecoanatolica nageli Glöer & Pešic, 2015 † (FOSSIL)
nagodro, Fluviopupa nagodro Zielske & Haase, 2014
namosi, Fluviopupa namosi Zielske & Haase, 2014
nana, Pyrgula nana Logvinenko & Starobogatov, 1968
nana, Stiobia nana Thompson, 1978
nanatsugamaensis, Saganoa nanatsugamaensis Habe, 1961
nannacus, Hydrobia nannacus Kadolsky, 2008 † (FOSSIL)
nanoacuminatus, Austropyrgus nanoacuminatus Clark, Miller & Ponder, 2003
nanum, Paxillostium nanum Gardner, 1970
nanus, Austropyrgus nanus Clark, Miller & Ponder, 2003
nanus, Pyrgulopsis nanus Hershler & Sada, 1987
narentana, Radomaniola curta narentana Radoman
narii, Fluviopupa narii Haase, Fontaine & Gargominy, 2010
narzikulovi, Pseudocaspia narzikulovi (Izzatullaev, 1972)
natolica, Pseudorientalia natolica (Küster, 1852)
natolica smyrnensis, Pseudorientalia natolica smyrnensis (Schütt, 1970)
navarrensis, Alzoniella navarrensis Boeters, 1999
navarrensis, Plesiella navarrensis Boeters, 2003
navasiana, Corrosella navasiana (Fagot, 1907)
neglecta, Hydrobia acuta neglecta Muus
neglecta, Obrovia neglecta Muus, 1963 - syn of: Hydrobia acuta neglecta Muus, 1963
neglecta, Hydrobia neglecta Muus, 1963 - syn of: Hydrobia acuta neglecta Muus, 1963
neglectissima, Falniowskia neglectissima (Falniowski & Steffek, 1989)
negropontica, Pseudamnicola macrostoma negropontica Clessin
negropontina, Pseudamnicola negropontina (Clessin)
nemausense, Bythiospeum nemausense Callot-Girardi, 2012
nemethi, Belgrandiella nemethi Schütt, 1993
neomexicana, Pyrgulopsis neomexicana Pilsbry, 1916
nepeanensis, Austropyrgus nepeanensis Clark, Miller & Ponder, 2003
neritella, Pyrgulopsis neritella Hershler, 1998
nesemanni, Hauffenia nesemanni Reischütz & Reischütz, 2006
neteae, Leiorhagium neteae Haase & Zielske, 2015
neumayri, Xestopyrguloides neumayri Willmann, 1981 † (FOSSIL)
neutra, Prososthenia neutra Brusina, 1897 † (FOSSIL)
nevadaensis, Pyrgulopsis nevadaensis Stearns, 1883 - syn of: Pyrgulopsis nevadensis (Stearns, 1883)
nevadensis, Pyrgulopsis nevadensis (Stearns, 1883)
nevadensis paiutica, Pyrgulopsis nevadensis paiutica Baily, 1951
nevesskae, Turricaspia nevesskae (Golikov & Starobogatov, 1966)
newcombianus, Pyrgulopsis newcombianus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
newtoni, Hydrobia newtoni (Gude, 1913)
ngataana, Hadopyrgus ngataana Haase, 2008
nicaraguanus, Pyrgulopsis nicaraguanus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
nicaraguanus costuliferus, Pyrgulopsis nicaraguanus costuliferus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
nicaraguanus duplicatus, Purgulopsis nicaraguanus duplicatus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
nicaraguensis, Pyrgula nicaraguensis Newcomb, MS, 0 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
nickliniana, Hydrobia nickliniana Lea, 1838 - syn of: Fontigens nickliniana (Lea, 1838)
niger, Austropyrgus niger (Quoy & Gaimard, 1834)
nigra, Fluvidona nigra Quoy & Gaimard, 1834
nikitinskii, Caspiohydrobia nikitinskii Starobogatov & Andreeva, 1981
nikolajevici, Romania nikolajevici (Brusina, 1902) † (FOSSIL)
nikolskii, Caspiohydrobia nikolskii Starobogatov & Andreeva, 1981
nikosi, Pyrgula nikosi Esu & Girotti, 2015 † (FOSSIL)
nishidai, Saganoa nishidai Habe
nitens, Hydrobia nitens Deshayes, 1862 † (FOSSIL)
nitida, Pontobelgrandiella nitida (Angelov, 1972)
nitida, Caspia nitida (Pavlovic, 1927) † (FOSSIL)
nitida, Plagigeyeria nitida Schütt, 1963
nitida angelovi, Plagigeyeria nitida angelovi (Schütt, 1972)
nitida angelovi, Belgrandiella nitida angelovi Schütt, 1972 - syn of: Plagigeyeria nitida angelovi (Schütt, 1972)
nitidus, Austropyrgus nitidus (Johnston, 1879)
niuzhuangensis, Wuconcha niuzhuangensis (Kang, 1983)
niuzhuangensis, Wuconchona niuzhuangensis Kang, 1983 - syn of: Wuconcha niuzhuangensis (Kang, 1983)
nocki, Bythiospeum nocki Haase, Weigand & Haseke, 2000
nodosa, Prososthenia nodosa Burgerstein, 1877 † (FOSSIL)
nodosus, Goniochilus nodosus Pana, 1990 † (FOSSIL)
nodotiana, Pyrgula nodotiana Tournouër, 1866 † (FOSSIL)
nolli, Bythiospeum nolli Bolling, 1938 - syn of: Bythiospeum clessini (Weinland, 1883)
nonaria, Pyrgulopsis nonaria Hershler, 1998
norfolkensis, Hydrobia norfolkensis Sykes, 1900
noricum, Bythiospeum noricum (Fuchs, 1929)
normalis, Bania pseudoglobula normalis Gottschick (FOSSIL)
nossovi, Pyrgula nossovi (Kolesnikov, 1947)
notata, Antibaria notata (Frauenfeld, 1865)
notidicola, Pyrgulopsis notidicola Hershler, 1998
novakovici, Goniochilus novakovici Brusina, 1902 † (FOSSIL)
novoselensis, Horatia novoselensis Radoman, 1966
novoselensis, Belgrandiella novoselensis Radoman, 1975
nuda, Pseudamnicola margarita nuda Jekelius (FOSSIL)
nuda, Micromelania nuda Jekelius, 1932 † (FOSSIL)
nugax, Phreatodrobia nugax (Pilsbry & Ferriss, 1906)
numee, Kanakyella numee Haase & Bouchet, 1998 - syn of: Novacaledonia numee (Haase & Bouchet, 1998)
numidica, Pseudamnicola numidica (Clessin, 1878)
nuwuvi, Pyrgulopsis nuwuvi Hershler, Liu, Forsythe, Hovingh & Wheeler, 2017
nympha, Pseudamnicola nympha (Eichwald, 1853) † (FOSSIL)
obeliscus, Peringia obeliscus (Paladilhe, 1869)
obesa, Pyrgula incisa obesa Bartha (FOSSIL)
obliquaecostata, Bania obliquaecostata Neubauer & al., 2013 † (FOSSIL)
oblonga, Prososthenia oblonga (Bronn, 1831) † (FOSSIL)
oblonga, Hydrobia santrici oblonga Miloševic (FOSSIL)
oblonga persuturata, Prososthenia oblonga persuturata (Sacco, 1895) † (FOSSIL)
obradovici, Micromelania obradovici Brusina, 1902 † (FOSSIL)
obrutchevi, Caspiohydrobia obrutchevi Starobogatov & Andreeva, 1981
obtusa, Caspia obtusa Brusina, 1892 † (FOSSIL)
obtusa, Fluviopupa obtusa Hubendick, 1952 - syn of: Fluviopupa crassiuscula (Frauenfeld, 1863)
obtusa, Hydrobia obtusa Sandberger, 1849 † (FOSSIL)
obtusa aperta, Hydrobia obtusa aperta Wenz, 1930 † (FOSSIL)
obtusa incrassata, Hydrobia obtusa incrassata Wenz, 1913 † (FOSSIL)
obtusa subdistorta, Hydrobia obtusa subdistorta Wenz, 1913 † (FOSSIL)
obtusecarinata, Staja obtusecarinata (Fuchs, 1870) † (FOSSIL)
ocalis, Belgrandiella ocalis Boeters, 2008
occidentalis, Belgrandia occidentalis Clessin, 1887 - syn of: Belgrandia lusitanica (Paladilhe, 1867)
ochridana, Pseudohoratia ochridana (Polinski, 1929)
octona, Hydrobia octona (Bruguière, 1792)
octonaria, Muellerpalia haszprunari octonaria Brusina (FOSSIL)
oedogyra, Acme oedogyra Paladilhe, 1868 - syn of: Platyla polita (Hartmann, 1840)
oepfingensis, Nematurella oepfingensis Wenz, 1918 † (FOSSIL)
ogmoraphe, Pyrgulopsis ogmoraphe Thompson, 1977 - syn of: Marstonia ogmorhaphe Thompson, 1977
ogmorhaphe, Marstonia ogmorhaphe Thompson, 1977
ogmorphaphe, Pyrgulopsis ogmorphaphe Thompson, 1977 - syn of: Marstonia ogmorhaphe Thompson, 1977
ohridana, Gocea ohridana Hadžišce, 1956
ohridana, Strugia ohridana Radoman, 1973
ojaiensis, Pyrgulopsis ojaiensis Hershler, Liu & al., 2016
olivacea, Marstonia olivacea (Pilsbry, 1895)
onatensis, Alzoniella onatensis Boeters, 2003
onuri, Hydrobia onuri Taner, 1974 † (FOSSIL)
operculomphalus, Subtilistriata operculomphalus Pan, 1980 † (FOSSIL)
opima, Yongkangia opima Yü, 1980 † (FOSSIL)
ora, Austropyrgus ora Clark, Miller & Ponder, 2003
orbiculata, Pyrgulopsis orbiculata Hershler, 1998
orientalis, Pseudamnicola orientalis (Bukowski, 1896) † (FOSSIL)
orientalis, Akiyoshia orientalis Kabe, 1986
orientalis, Micromelania orientalis Willmann, 1981 † (FOSSIL)
orientalis scalarata, Micromelania orientalis scalarata Willmann, 1981 † (FOSSIL)
ornata, Ohrigocea ornata (Radoman, 1957)
orokau, Leiorhagium orokau Haase & Bouchet, 1998
orphana, Fluvidona orphana Miller, Ponder & Clark, 1999
orsinii, Pseudamnicola orsinii (Küster, 1852)
orthii, Caspia orthii Clessin & Dybowski, 1888 - syn of: Pyrgula cincta (Abich, 1859)
orthodoxus, Saxurinator orthodoxus Schütt, 1960
oryza, Saccoia oryza Brusina, 1893 † (FOSSIL)
orzeskoi, Avenionia orzeskoi Caziot, 1910 - syn of: Avenionia brevis (Draparnaud, 1805)
oshanovae, Bythiospeum oshanovae (Pintér, 1968)
ossovinarum, Pontohydrobia ossovinarum (Andrusov, 1890) † (FOSSIL)
ostroumovi, Euxinipyrgula ostroumovi (Golikov & Starobogatov, 1966)
otwayensis, Austropyrgus otwayensis Clark, Miller & Ponder, 2003
oudrefica, Pseudamnicola oudrefica (Letourneux & Bourguignat, 1887)
ovale, Bythiospeum ovale (Dehm, 1951)
ovalis, Plagigeyeria mostarensis ovalis Kušcer
ovata, Prososthenia ovata (Bronn, 1831) † (FOSSIL)
ovetensis, Belgrandiella ovetensis (Rolán, 1992)
oviformis, Caspiohydrobia oviformis (Logvinenko & Starobogatov, 1968)
ovum, Turricaspia ovum Logvinenko & Starobogatov, 1968
owensensis, Pyrgulopsis owensensis Hershler, 1989
owyheensis, Pyrgulopsis owyheensis Hershler & Liu, 2009
ozarkensis, Marstonia ozarkensis (Hinkley, 1915)
pachychila, Bania pachychila (Brusina, 1902) † (FOSSIL)
pachygastra, Hydrobia pachygastra Paladilhe, 1869
pachyta, Marstonia pachyta Thompson, 1977
pageti, Plagigeyeria zetaprotogona pageti Schütt
pageti, Belgrandiella pageti Schütt, 1970
pagoda, Pseudamnicola pagoda (Neumayr, 1875) † (FOSSIL)
pagoda maior, Pseudamnicola pagoda maior (Jekelius, 1932) † (FOSSIL)
pagodaeformis, Pseudamnicola pagodaeformis (Andrusov, 1890) † (FOSSIL)
pagodoides, Austropyrgus pagodoides Clark, Miller & Ponder, 2003
paiutica, Pyrgulopsis nevadensis paiutica Baily
paleoacarinatus, Pyrgulopsis paleoacarinatus Czaja & al., 2017 † (FOSSIL)
paleominckleyi, Pyrgulopsis paleominckleyi Czaja & al., 2017 † (FOSSIL)
pallaryi, Pseudamnicola pallaryi Ghamizi, Vala & Bouka, 1997
pallasii, Caspia pallasii (Clessin & Dybowski, 1887)
pallida, Sogdamnicola pallida (Von Martens, 1874)
pallida, Islamia pallida Arconada & Ramos, 2006
pallida, Jardinella pallida Ponder & Clark, 1990
pallida, Beddomeia pallida Ponder & Clark, 1993
palmariggii, Pseudamnicola palmariggii Esu & Girotti, 2010 † (FOSSIL)
palomasensis, Pyrgulopsis palomasensis (Pilsbry, 1895)
paludinaria, Hydrobia paludinaria (Schlotheim, 1820) † (FOSSIL)
paludinella, Petterdiana paludinella (Reeve, 1857)
paludinelliformis, Hydrobia paludinelliformis Bourguignat, 1876 - syn of: Ecrobia ventrosa (Montagu, 1803)
palustris, Littoridinops palustris Thompson, 1968
pambotis, Pyrgula pambotis Reischütz & Reischütz, 2002
pamphylica, Graecoanatolica pamphylica (Schütt, 1964)
panae, Pyrgula sasykensis panae Roshka (FOSSIL)
pandurskii, Devetakia pandurskii Georgiev & Glöer, 2011
pandurskii, Belgrandiella pandurskii Georgiev, 2011
pandurskii, Bythiospeum pandurskii Georgiev, 2012
panescorsei, Hydrobia panescorsei Bérenguier, 1892 - syn of: Hydrobia acuta (Draparnaud, 1805)
pangaea, Daphniola exigua pangaea Reischütz
panicum, Kadolskya panicum (Neumayr, 1869) † (FOSSIL)
pannonica, Sadleriana pannonica Frauenfeld
pannonica, Pyrgula incisa pannonica Lörenthey (FOSSIL)
pantanellii, Prososthenia pantanellii Brusina, 1884 † (FOSSIL)
pantanellii, Micromelania pantanellii Wenz, 1925 † (FOSSIL)
panticapaea, Pontohydrobia panticapaea (Andrusov, 1890) † (FOSSIL)
papillata, Pyrgulopsis papillata Hershler, 1998
pappi, Nematurella pappi Schlickum, 1960 † (FOSSIL)
papukensis, Belgrandiella papukensis Radoman, 1975
parcelineata, Acme parcelineata Clessin, 1911 - syn of: Acicula parcelineata (Clessin, 1911)
parcelineata cylindracea, Acme parcelineata cylindracea Sitsch, 1925 - syn of: Acicula parcelineata (Clessin, 1911)
parnassiana, Graecoarganiella parnassiana Falniowski & Szarowska, 2011
parreyssii, Microna parreyssii Pfeiffer, 1841 - syn of: Belgrandiella mimula Haase, 1996
parreyssii, Belgrandiella parreyssii Pfeiffer, 1841 - syn of: Belgrandiella mimula Haase, 1996
partschi, Pseudamnicola partschi (Frauenfeld, 1856) † (FOSSIL)
parva, Caspiohydrobia parva (Logvinenko & Starobogatov, 1968)
parva, Pyrgulella parva M. Harzhauser, Kadolsky & Neubauer, 2015 † (FOSSIL)
parva, Nanocochlea parva Ponder & Clark, 1993
parva, Caspia parva Roshka, 1973 † (FOSSIL)
parva, Cincinnatia parva Thompson, 1968
parvinucleata, Turricaspia parvinucleata Roshka, 1973 † (FOSSIL)
parvula, Avenionia parvula Giusti & Bodon, 1981
parvula, Staja adiaphora parvula Kókay (FOSSIL)
parvula, Horatia parvula Nägele, 1894
parvus, Austropyrgus parvus Clark, Miller & Ponder, 2003
pasajae, Pseudotryonia pasajae Hershler, Liu & Landye, 2011
pascali, Fluviopupa pascali Haase, Fontaine & Gargominy, 2010
pasiphae, Pseudamnicola pasiphae Willmann, 1980 † (FOSSIL)
patzcuarensis, Pyrgulopsis patzcuarensis (Pilsbry, 1891)
paulae, Prososthenia paulae Esu & Girotti, 2001 † (FOSSIL)
paulensis, Schuettemmericia paulensis (Degrange-Touzin, 1892) † (FOSSIL)
pauli, Goniochilus pauli (Fuchs, 1877) † (FOSSIL)
paulinoi, Hydrobia paulinoi Locard, 1899 - syn of: Peringia ulvae (Pennant, 1777)
paulucciae, Pseudamnicola paulucciae Clessin, 1880 - syn of: Pseudamnicola conovula (Frauenfeld, 1863)
pauluccii, Bania pauluccii (Brusina, 1907) † (FOSSIL)
pavlovici, Stankovicia pavlovici (Polinski, 1929)
pavlovskii, Tadzhikamnicola pavlovskii (Izzatullaev, 1973)
pavlovskii, Caspiohydrobia pavlovskii Starobogatov & Izzatullaev, 1974
pecosensis, Pyrgulopsis pecosensis Taylor, 1987
peculiaris, Pyrgulopsis peculiaris Hershler, 1998
pedemontana, Pseudavenionia pedemontana Bodon & Giusti, 1982
pelerei, Belgrandiella pelerei Haase, 1994
pellita, Pyrgulopsis pellita Hershler, 1998
pellitica, Alzoniella pellitica Arconada, Rolán & Boeters, 2007
pellucidum, Bythiospeum pellucidum (Seckendorf, 1846)
penchinati, Pseudamnicola penchinati (Bourguignat, 1870)
pentecostata, Fluviopupa pentecostata Zielske & Haase, 2014
peracuta, Cincinnatia peracuta (Pilsbry & Walker, 1889)
peregrina, Hydrobia peregrina Boettger, 1901 † (FOSSIL)
perempuan, Sulawesidrobia perempuan Zielske, Glaubrecht & Haase, 2011
perforata, Saccoia perforata (Pantanelli, 1886) † (FOSSIL)
perforata, Pyrgulopsis perforata Hershler, Liu & Bradford, 2013
perpusilla, Acme perpusilla Reinhardt, 1880 - syn of: Platyla polita (Hartmann, 1840)
perrisii, Alzoniella perrisii (Dupuy, 1851)
perrisii irubensis, Alzoniella perrisii irubensis Boeters, 2000
perroquini, Heterocyclus perroquini Unknown
persuturata, Avenionia brevis persuturata Bofill
persuturata, Prososthenia oblonga persuturata Sacco (FOSSIL)
pertica, Prososthenia pertica Andreescu & Pana, 1985 † (FOSSIL)
perturbata, Pyrgulopsis perturbata Hershler, 1989
pesae, Prososthenia pesae Esu & Girotti, 2016 † (FOSSIL)
pescei, Arganiella pescei Giusti & Pezzoli, 1984
pesici, Lanzaia pesici Glöer, Grego, Eröss & Fehér, 2015
petiti, Heterocyclus petiti Unknown
petkovici, Pseudodianella petkovici (Pavlovic, 1903) † (FOSSIL)
petrifons, Cincinnatia petrifons Thompson, 1968
petroedei, Bythiospeum petroedei Glöer & Grego, 2015
petrovi, Belgrandiella petrovi Georgiev, 2014
petterdi, Fluvidona petterdi (Smith, 1882)
petterdi, Beddomeia petterdi Ponder & Clark, 1993
petterdiana, Fluvidona petterdiana Brazier, 1875 - syn of: Austropyrgus petterdianus (Brazier, 1875)
petterdianus, Austropyrgus petterdianus (Brazier, 1875)
pezzolii, Iglica pezzolii Boeters, 1971
pfeiferi, Falsipyrgula pfeiferi (Weber, 1927)
pfeifferi, Bythiospeum pfeifferi (Clessin, 1890)
pfeifferi, Vitrella pfeifferi Clessin, 1890 - syn of: Bythiospeum pfeifferi (Clessin, 1890)
phasianella, Beddomeia phasianella Ponder & Clark, 1993
philopelum, Rachipteron philopelum Thompson, 1964
photophila, Bythiospeum photophila (Geyer, 1907)
phrygica, Micromelania phrygica (Oppenheim, 1919) † (FOSSIL)
picta, Micromelania picta Seninski, 1905 † (FOSSIL)
pictilis, Pyrgulopsis pictilis Hershler, 1998
pieperi, Pseudamnicola pieperi Schütt, 1980
pikinini, Fluviopupa pikinini Zielske & Haase, 2014
pilsbryana, Pyrgulopsis pilsbryana Walker, 1904 - syn of: Somatogyrus pilsbryanus Walker, 1904
pinetorum, Fontelicella pinetorum Taylor, 1987
piristoma, Islamia piristoma Bodon & Cianfanelli, 2002
piroti, Plagigeyeria piroti Bole & Velkovrh, 1987
pisana, Hydrobia pisana Wenz, 1924 † (FOSSIL)
pisinnus, Austropyrgus pisinnus Clark, Miller & Ponder, 2003
pisolinus, Pseudamnicola pisolinus (Paladilhe, 1876)
pisteri, Pyrgulopsis pisteri Hershler & Sada, 1987
pivensis, Radomaniola curta pivensis Radoman
plagiostoma, Plagigeyeria plagiostoma (Wagner, 1914)
plana, Paludestrina plana Aldrich, 1911 † (FOSSIL)
plana, Hauffenia plana Bole, 1961
plana, Phreatodrobia plana Hershler & Longley, 1986
planata, Hydrobia planata (Du Bois de Montpéreux, 1831) † (FOSSIL)
planospira, Fissuria planospira Bodon, Cianfanelli & Talenti, 1987
plena, Hydrobia plena Bequaert & Clench, 1936
plicata, Pyrgulopsis plicata Hershler, 1998
plivense, Bythiospeum plivense Glöer & Grego, 2015
podolica, Hydrobia podolica Lomnicki, 1886 † (FOSSIL)
polejaevi, Turricaspia polejaevi (Andrusov, 1902) † (FOSSIL)
polia, Tepalcatia polia (Thompson & Hershler, 1991)
polinskii, Gocea polinskii (Radoman, 1960)
politioanei, Socenia politioanei Jekelius, 1944 † (FOSSIL)
pollinensis, Litthabitella pollinensis Bacci, 1952 - syn of: Litthabitella chilodia (Westerlund, 1886)
polysarca, Ecrobia ventrosa polysarca Cossmann & Peyrot (FOSSIL)
polytropida, Hydrobia polytropida Brusina, 1892 † (FOSSIL)
pompatica, Odontohydrobia pompatica Harzhauser & al., 2012 † (FOSSIL)
ponderosa, Cincinnatia ponderosa Thompson, 1968
pontieuxini, Pseudopaludinella pontieuxini (Radoman, 1973)
pontieuxini, Ecrobia pontieuxini Radoman, 1973 - syn of: Ecrobia maritima (Milaschewitsch, 1916)
pontilitoris, Hydrobia pontilitoris Wenz, 1942 † (FOSSIL)
pontvillensis, Fluvidona pontvillensis Tenison-Woods, 1876
porrecta, Paludestrina porrecta Mighels, 1845 - syn of: Paludina porrecta (Mighels, 1845)
porterae, Cincinnatia porterae (Thompson, 2000)
posterum, Bythiospeum clessini posterum Geyer
praecipitis, Austropyrgus praecipitis Clark, Miller & Ponder, 2003
praecursor, Hydrobia praecursor Sandberger † (FOSSIL)
praeescoffierae, Saccoia praeescoffierae (Almera, 1894) † (FOSSIL)
praeglobulina, Bania praeglobulina (Kókay, 2006) † (FOSSIL)
praeslavonica, Prososthenia praeslavonica Mandic, Kurecic, Neubauer & Harzhauser † (FOSSIL)
prahovensis, Pyrgula prahovensis Papaianopol & Macale?, 2004 † (FOSSIL)
prasina, Pseudamnicola prasina Rosen, 1903
pregmelini, Caspia pregmelini (Gillet & Geissert, 1971) † (FOSSIL)
prespaensis, Prespopyrgula prespaensis (Urbanski, 1939)
prespensis, Chilopyrgula prespensis (Urbanski)
priei, Bythiospeum priei Callot-Girardi, 2017
priei, Fluviopupa priei Haase, Fontaine & Gargominy, 2010
prinadae, Probaicalia prinadae Martinson, 1949 † (FOSSIL)
prisca, Pyrgula prisca (Neumayr, 1875) † (FOSSIL)
pristina, Mesobia pristina Thompson & Hershler, 1991
privus, Austropyrgus privus Clark, Miller & Ponder, 2003
procera, Hydrobia procera (Mayer, 1864) † (FOSSIL)
procera, Hydrobia procera Paladilhe, 1874 - syn of: Hydrobia acuta (Draparnaud, 1805)
procerula, Plagigeyeria procerula (Angelov, 1965)
procerula, Hydrobia procerula Paladilhe, 1869 - syn of: Hydrobia acuta (Draparnaud, 1805)
procerus, Austropyrgus procerus Clark, Miller & Ponder, 2003
producta, Brasovia producta (Jekelius, 1944) † (FOSSIL)
producta, Caspia producta Jekelius, 1944 † (FOSSIL)
producta unicarinata, Brasovia producta unicarinata (Jekelius, 1944) † (FOSSIL)
productus, Pyrgulopsis productus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
proni, Micromelania proni Miloševic, 1971 † (FOSSIL)
proschwitzi, Torosia proschwitzi Glöer & Georgiev, 2012
protea, Hydrobia protea Gould, 1855 - syn of: Tryonia protea (Gould, 1855)
protera, Probythinella protera Pilsbry, 1953
prototypica, Bania prototypica (Brusina, 1872) † (FOSSIL)
protracta, Hydrobia protracta (Eichwald, 1853) † (FOSSIL)
protuberata, Beddomeia protuberata Ponder & Clark, 1993
provincialis, Belgrandiella provincialis (Boeters, 2000)
proxima, Pseudamnicola proxima (Fuchs, 1870) † (FOSSIL)
proximoides, Pseudamnicola proximoides (Capellini, 1880) † (FOSSIL)
pseudoatropida, Staja pseudoatropida Jekelius, 1944 † (FOSSIL)
pseudoazovica, Turricaspia pseudoazovica Anistratenko & Gozhik, 1995 † (FOSSIL)
pseudobacuana, Pyrgula pseudobacuana Logvinenko & Starobogatov, 1968
pseudocarinata, Brasovia pseudocarinata (Roshka, 1973) † (FOSSIL)
pseudocaspia, Hydrobia pseudocaspia Sinzow, 1912 † (FOSSIL)
pseudocornea, Hydrobia pseudocornea Brusina, 1902 † (FOSSIL)
pseudodimidiata, Pyrgula pseudodimidiata (Dybowski & Grochmalicki, 1915)
pseudoditropida, Staja pseudoditropida Jekelius, 1944 † (FOSSIL)
pseudoglobula, Bania pseudoglobula (D'Orbigny, 1852) † (FOSSIL)
pseudoglobula normalis, Bania pseudoglobula normalis (Gottschick, 1921) † (FOSSIL)
pseudoglobula steinheimensis, Bania pseudoglobula steinheimensis (Miller, 1900) † (FOSSIL)
pseudorientalica, Islamia pseudorientalica Radoman, 1973
pseudospica, Pyrgula pseudospica Logvinenko & Starobogatov, 1968
pseudostagnalis, Peringia ulvae pseudostagnalis De Stefani (FOSSIL)
pseudotriton, Pyrgula pseudotriton Golikov & Starobogatov, 1966 - syn of: Turricaspia bogensis (Dubois De Montpéreux, 1852)
pseudovalvatoides, Muellerpalia pseudovalvatoides Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic † (FOSSIL)
pseudovariabilis, Staja pseudovariabilis Andrusov, 1905 † (FOSSIL)
pseudozilchi, Nematurella pseudozilchi Kowalke & Reichenbacher, 2005 † (FOSSIL)
ptychophora, Scalimelania ptychophora (Brusina, 1897) † (FOSSIL)
puerkhaueri, Bythiospeum puerkhaueri (Clessin, 1877)
puerkhaueri, Vitrella puerkhaueri Clessin, 1877 - syn of: Bythiospeum puerkhaueri (Clessin, 1877)
pulchra, Sellia pulchra Raincourt, 1884 † (FOSSIL)
pulla, Pyrgula pulla (Dybowski & Grochmalicki, 1915)
pullula, Turricaspia pullula (Dybowski & Grochmalicki, 1915)
pumila, Pseudamnicola pumila Brusina, 1884 † (FOSSIL)
pumilio, Hydrobia pumilio Smith, 1877
punctata, Phreatodrobia punctata Hershler & Longley, 1986
punctum, Hydrobia punctum (Eichwald, 1853) † (FOSSIL)
punicea, Trochidrobia punicea Ponder, Hershler & Jenkins, 1989
pupa, Hydrobia pupa (Sacco, 1895) † (FOSSIL)
pupa, Fluviopupa gracilis pupa Iredale
pupoidea, Fluviopupa pupoidea Pilsbry, 1911
pupoides, Nanocochlea pupoides Ponder & Clark, 1993
pupula, Belgrandiella pupula (Westerlund, 1879)
pupula, Hydrobia pupula Brusina, 1874 † (FOSSIL)
purpurina, Pyrgula purpurina Andrusov, 1890 † (FOSSIL)
pusilla, Islamia pusilla (Piersanti, 1952)
pusilla, Belgrandiella pusilla Angelov, 1959
pusilla, Hydrobia pusilla Eichwald, 1830 - syn of: Caspiohydrobia eichwaldiana (Golikov & Starobogatov, 1966)
pusilla, Lobogenes pusilla Mandahl-Barth, 1972
pusillus, Austropyrgus pusillus Clark, Miller & Ponder, 1993
pussila, Belgrandiella pussila Angelov, 1959
putei, Bythiospeum putei (Geyer, 1904)
putei roesleri, Vitrella putei roesleri Geyer, 1904 - syn of: Bythiospeum roesleri (Geyer, 1904)
pycnocheilia, Mercuria pycnocheilia (Bourguignat, 1862)
pygmaea, Gocea pygmaea (Westerlund, 1902)
pyramidella, Robicia pyramidella Brusina, 1897 † (FOSSIL)
pyrenaica, Alzoniella pyrenaica (Boeters, 1983)
pyrenaicus, Pseudamnicola pyrenaicus Boeters & Falkner, 2009
quadricarinata, Pseudodianella quadricarinata (Fuchs, 1877) † (FOSSIL)
quadrifoglio, Belgrandiella quadrifoglio Haase, 2003
quarispinosa, Coelacanthia quarispinosa Andrusov, 1890 † (FOSSIL)
quarta, Tournouerina quarta Schlickum, 1977 † (FOSSIL)
quenstedti, Bythiospeum quenstedti (Wiedersheim, 1873)
quenstedti ara, Vitrella quenstedti ara Geyer, 1905 - syn of: Bythiospeum ara (Geyer, 1905)
quenstedti turbinella, Vitrella quenstedti turbinella Geyer, 1905 - syn of: Bythiospeum turbinellum (Geyer, 1905)
quimplex, Pyrgula quimplex Schütt, 1991 † (FOSSIL)
racovitzai, Bythiospeum racovitzai (Germain, 1911)
radapalladis, Pezzolia radapalladis Bodon & Giusti, 1986
raddei, Pseudamnicola raddei Böttger, 1889
radicevici, Prososthenia radicevici Brusina, 1902 † (FOSSIL)
radici, Pyrgula radici Pavlovic, 1927 † (FOSSIL)
radmanesti, Prososthenia radmanesti (Fuchs, 1870) † (FOSSIL)
radmanyestensis, Hydrobia radmanyestensis Wenz, 1925 † (FOSSIL)
radostinae, Grossuana radostinae Georgiev, 2012
radovanovici, Pyrgula radovanovici Pavlovic, 1903 † (FOSSIL)
raehlei, Fissuria raehlei (Schütt, 1980)
raffii, Turricaspia raffii Anistratenko, 1995 † (FOSSIL)
ragia, Pseudamnicola ragia Letourneux & Bourguignat, 1887
raivavaeensis, Fluviopupa raivavaeensis Haase, Gargominy & Fontaine, 2005
ramacanensis, Micromelania ramacanensis Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic † (FOSSIL)
ramosae, Guadiella ramosae Boeters, 2003
ramsayi, Fluviopupa ramsayi (Brazier, 1889)
ramsayi royana, Fluviopupa ramsayi royana Iredale, 1944
ranojevici, Odontohydrobia ranojevici Pavlovic, 1927 † (FOSSIL)
rapaensis, Fluviopupa rapaensis Hubendick, 1952 - syn of: Fluviopupa deflexa (Frauenfeld, 1863)
raradamu, Fluviopupa raradamu Zielske & Haase, 2014
rasini, Meyrargueria rasini (Girardi, 2003)
rasini, Bythiospeum rasini Girardi, 2003 - syn of: Meyrargueria rasini (Girardi, 2003)
raskovici, Pyrgula raskovici Pavlovic, 1903 † (FOSSIL)
rawhiti, Hadopyrgus rawhiti Haase, 2008
rayensis, Belgrandiella rayensis Caziot, 1910 - syn of: Belgrandiella saxatilis (Reyniés, 1844)
razelmiana, Pseudamnicola razelmiana Grossu, 1986
reatina, Pauluccinella reatina Stella, 1961 - syn of: Pauluccinella minima (Paulucci, 1881)
recta, Hydrobia recta Locard, 1899 - syn of: Peringia ulvae (Pennant, 1777)
rectoides, Austropyrgus rectoides Clark, Miller & Ponder, 2003
rectus, Austropyrgus rectus (Ponder, Colgan, Clark, Miller & Terzis, 1994)
reevei, Hydrobia reevei Frauenfeld, 1863 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
regalonense, Bythiospeum diaphanum regalonense Girardi
reinachi, Hydrobia reinachi Boettger, 1894 † (FOSSIL)
reisalpense, Bythiospeum reisalpense Reischütz, 1983
relicta, Iglica relicta (Kušcer, 1937)
reljkovici, Pyrgula reljkovici Brusina, 1902 † (FOSSIL)
remesiana, Grossuana euxina remesiana Radoman
reticulata, Prososthenia reticulata Burgerstein, 1877 † (FOSSIL)
reyniesii, Avenionia brevis reyniesii Dupuy
rhenanum, Bythiospeum rhenanum (Lais, 1935)
rhenanum turneri, Bythiospeum rhenanum turneri Bernasconi, 1997
rheophila, Hydrobia rheophila Bequaert & Clench, 1936
rhodiensis, Rhodopyrgula rhodiensis (Bukowski, 1896) † (FOSSIL)
rhodiensis, Hydrobia rhodiensis Tournouër, 1877 † (FOSSIL)
rhodiensis solida, Rhodopyrgula rhodiensis solida Willmann, 1981 † (FOSSIL)
rhodopensis, Radomaniola rhodopensis Glöer & Georgiev, 2009
richardsoni, Phrantela richardsoni Ponder & Clark, 1993
rissoina, Goniochilus rissoina (Brusina, 1878) † (FOSSIL)
ristici, Prososthenia ristici Pavlovic, 1927 † (FOSSIL)
riva, Fluviopupa riva Zielske & Haase, 2014
roberti, Avenionia roberti Boeters, 1967
robici, Sadleriana robici (Clessin, 1890)
robusta, Socenia robusta (Roshka, 1973) † (FOSSIL)
robusta, Belgrandiella robusta Radoman, 1975
robusta, Plagigeyeria robusta Schütt, 1959
robusta, Pyrgulopsis robusta Walker, 1908
robusta asculpta, Plagigeyeria robusta asculpta Schütt, 1972
roesleri, Bythiospeum roesleri (Geyer, 1904)
rolani, Belgrandiella rolani (Boeters, 1986)
rolani, Mercuria rolani Glöer, Boeters & Walther, 2015
rolani, Tarraconia rolani Ramos, Arconada & Moreno, 2000
romani, Hydrobia romani Royo Gómez, 1922 † (FOSSIL)
ronaldi, Tournouerina ronaldi Esu & Girotti, 2015 † (FOSSIL)
ronaldi, Beddomeia ronaldi Ponder & Clark, 1993
ronkershawi, Austropyrgus ronkershawi Clark, Miller & Ponder, 2003
rossii, Hydrobia rossii Brusina, 1878 † (FOSSIL)
roswellensis, Pyrgulopsis roswellensis Taylor, 1987
rotonda, Ohridohauffenia rotonda (Radoman, 1964)
rotunda, Phreatodrobia rotunda Hershler & Longley, 1986
rotundata, Pseudamnicola rotundata (Du Bois de Montpéreux, 1831) † (FOSSIL)
rouagi, Pseudamnicola rouagi Glöer, Bouzid & Boeters, 2010
rougemonti, Bythiospeum rougemonti (Clessin, 1882)
royana, Fluviopupa ramsayi royana Iredale
royoi, Hydrobia royoi Robles & Goy, 1972 † (FOSSIL)
ruali, Leiorhagium ruali Haase & Bouchet, 1998
rudis, Pyrgula rudis Logvinenko & Starobogatov, 1968
rudnicae, Hadziella rudnicae Bole, 1992
rudnicae, Lanzaia rudnicae Bole, 1992
rueppelli, Pseudamnicola rueppelli (Boettger, 1884) † (FOSSIL)
ruffoi, Islamia ruffoi Bodon & Cianfanelli, 2012
rugosula, Baglivia rugosula Brusina, 1892 † (FOSSIL)
ruinosa, Pyrgulopsis ruinosa Hershler, 1998
rumana, Micromelania rumana Papaianopol & Macale?, 2004 † (FOSSIL)
rumaniana, Pseudamnicola rumaniana Pana, 2003 † (FOSSIL)
runtoniana, Tanousia runtoniana (Sandberger, 1880) † (FOSSIL)
rupinicola, Pyrgulopsis rupinicola Hershler, Frest, Liu & Johannes, 2003
rurutua, Fluviopupa rurutua Haase, Gargominy & Fontaine, 2005
rusti, Pyrgula rusti Neubauer, Harzhauser, Georgopoulou, Mandic & Kroh † (FOSSIL)
saboori, Persipyrgula saboori (Glöer & Pešic, 2009)
saboori, Pseudamnicola saboori Glöer & Pešic, 2009 - syn of: Persipyrgula saboori (Glöer & Pešic, 2009)
sachalinensis, Akiyoshia sachalinensis Zatrawkin & Bogatov, 1988
sacyi, Hydrobia sacyi Cossmann & Peyrot, 1918 † (FOSSIL)
sadai, Pyrgulopsis sadai Hershler, 1998
sadleriana, Sadleriana sadleriana (Frauenfeld, 1863)
sadleriana robici, Sadleriana sadleriana robici (Clessin, 1890) - syn of: Sadleriana robici (Clessin, 1890)
saharae, Mercuria saharae (Paladilhe, 1869)
saharica, Mercuria saharica (Letourneux & Bourguignat, 1887)
sajenkovae, Turricaspia sajenkovae (Logvinenko & Starobogatov, 1968)
salaria, Hydrobia salaria Radoman, 1973 - syn of: Hydrobia acuta (Draparnaud, 1805)
salinasii, Peringia salinasii (Aradas & Calcara, 1843)
salmonis, Beddomeia salmonis Ponder & Clark, 1993
salsa, Hydrobia salsa Pilsbry, 1905 - syn of: Spurwinkia salsa (Pilsbry, 1905)
salvus, Austropyrgus salvus Clark, Miller & Ponder, 2003
sambuci, Prososthenia sambuci Esu & Girotti, 2016 † (FOSSIL)
samuili, Ohrigocea samuili Hadžišce, 1959
sanchezi, Pyrgulopsis sanchezi Hershler, Liu & Bradford, 2013
sanctinaumi, Ohridohauffenia sanctinaumi (Radoman, 1964)
sanctinaumi, Pyrgohydrobia sanctinaumi Radoman, 1955
sanctizaumi, Zaumia sanctizaumi (Radoman, 1964)
sandbergeri, Bythiospeum sandbergeri (Flach, 1886)
sandrii, Micromelania sandrii Brusina, 1902 † (FOSSIL)
santaclarensis, Pyrgulopsis santaclarensis Hershler, Liu, Forsythe, Hovingh & Wheeler, 2017
santrici, Hydrobia santrici Pavlovic, 1935 † (FOSSIL)
santrici bythinelloides, Hydrobia santrici bythinelloides Miloševic, 1980 † (FOSSIL)
santrici oblonga, Hydrobia santrici oblonga Miloševic, 1980 † (FOSSIL)
sarabensis, Sarkhia sarabensis Glöer & Pešic, 2012
sarahae, Mercuria sarahae (Paladilhe, 1869)
sarda, Islamia sarda Esu, 1984 † (FOSSIL)
sarmatica, Staja sarmatica (Jekelius, 1944) † (FOSSIL)
sarmatica, Hauffenia sarmatica (Papp, 1954) † (FOSSIL)
sarmatica depressa, Staja sarmatica depressa (Jekelius, 1944) † (FOSSIL)
sarriansense, Bythiospeum sarriansense Girardi, 2009
sasykensis, Pyrgula sasykensis Roshka, 1973 † (FOSSIL)
sasykensis panae, Pyrgula sasykensis panae Roshka, 1973 † (FOSSIL)
sathon, Notogillia sathon Thompson, 1969
sathos, Pyrgulopsis sathos Hershler, 1998
savinica, Lanzaiopsis savinica Bole, 1989
savuione, Fluviopupa savuione Zielske & Haase, 2014
saxatilis, Belgrandiella saxatilis (Reyniés, 1844)
saxatilis, Pyrgulopsis saxatilis Hershler, 1998
saxigenum, Bythiospeum saxigenum (Geyer, 1905)
saxigenum danubiale, Bythiospeum saxigenum danubiale (Geyer, 1907)
scalarata, Micromelania orientalis scalarata Willmann (FOSSIL)
scalariaeformis, Goniochilus scalariaeformis (Fuchs, 1870) † (FOSSIL)
scalariformis, Marstonia scalariformis (Wolf, 1869)
scalaris, Saganoa scalaris Kuroda & Habe, 1958
schahimardanica, Valvatamnicola schahimardanica (Izzatullaev, 1984)
schleschi, Belgrandiella schleschi (Kušcer, 1932)
schlickumi, Saxurinator schlickumi Schütt, 1960
schlickumi, Dianella schlickumi Schütt, 1962
schlickumi, Tanousia schlickumi Schütt, 1976 † (FOSSIL)
schlosseri, Hydrobia schlosseri Royo Gómez, 1928 † (FOSSIL)
schlosseriana, Peringia schlosseriana Brusina, 1870 - syn of: Peringia elongata (Philippi, 1836)
schmidtii, Sadleriana schmidtii (Menke, 1849)
schniebsae, Balkanospeum schniebsae (Georgiev, 2011)
schniebsae, Bythiospeum schniebsae Georgiev, 2011 - syn of: Balkanospeum schniebsae (Georgiev, 2011)
schniebsae, Nicolaia schniebsae Glöer, Bössneck, Walther & Neiber, 2016
scholli, Nematurella scholli Schlickum, 1963 † - syn of: Nematurella bavarica (Sandberger, 1875) † (FOSSIL)
scholtzi, Hydrobia scholtzi Schmidt, 1856 - syn of: Marstoniopsis steinii (Von Martens, 1858)
schorygini, Pyrgula schorygini Logvinenko & Starobogatov, 1968
schottleri, Pseudamnicola schottleri (Wenz, 1922) † (FOSSIL)
schoutedeni, Hydrobia schoutedeni (Bequaert & Clench, 1936)
schuelei, Milesiana schuelei (Boeters, 1981)
schuetti, Nematurella schuetti Schlickum, 1960 † - syn of: Nematurella bavarica (Sandberger, 1875) † (FOSSIL)
schuetti, Falsipyrgula schuetti Yildirim, 1999
schwabenaui, Goniochilus schwabenaui (Fuchs, 1870) † (FOSSIL)
schwartzi, Prososthenia schwartzi Neumayr, 1869 † (FOSSIL)
sciaccaensis, Pseudamnicola sciaccaensis Glöer & Beckmann, 2007
scobina, Micromelania scobina Brusina, 1897 † (FOSSIL)
scolecostomum, Orygoceras scolecostomum Brusina, 1902 † (FOSSIL)
scutarica, Vinodolia scutarica (Radoman, 1973)
seasea, Fluviopupa seasea Haase, Ponder & Bouchet, 2006
seemani, Hydrobia seemani Frauenfeld, 1863 - syn of: Tryonia seemani (Frauenfeld, 1863)
semele, Isimerope semele Radea & Parmakelis, 2013
semiconvexa, Hydrobia semiconvexa Sandberger, 1875 † (FOSSIL)
seminium, Belgrandiella seminium (Morelet, 1857)
seminula, Turcorientalia seminula (Frauenfeld, 1863) - syn of: Radomaniola seminula (Frauenfeld, 1863)
seminula, Radomaniola seminula (Frauenfeld, 1863)
semiplicata, Belgrandia semiplicata Boeters & Falkner, 2009
semistriata, Hydrobia semistriata (D'Orbigny, 1841)
senefelderi, Bythiospeum senefelderi (Geyer, 1907)
seninskii, Turricaspia seninskii Anistratenko & Gozhik, 1995 † (FOSSIL)
septemlineata, Hydrobia septemlineata Lomnicki, 1886 † (FOSSIL)
septentrionale, Bythiospeum clessini septentrionale Schütt
septocurvatum, Phreatoceras septocurvatum (Strand, 1934) † (FOSSIL)
sepulcralis, Prososthenia sepulcralis (Neumayr, 1875) † (FOSSIL)
serbica, Prososthenia serbica Brusina, 1893 † (FOSSIL)
serbica, Belgrandiella serbica Glöer, 2008
serbica, Grossuana serbica Radoman, 1973
sergii, Pyrgula sergii Brusina, 1902 † (FOSSIL)
serpenticola, Taylorconcha serpenticola Hershler, 1994
serrata, Pyrgulopsis serrata Hershler, 1998
serratula, Micromelania serratula Brusina, 1878 † (FOSSIL)
serratula, Pyrgula serratula Brusina, 1897 † (FOSSIL)
servaini, Horatia servaini Bourguignat, 1887 - syn of: Islamia valvataeformis (Möllendorff, 1873)
sextona, Hydrobia sextona (Lamarck, 1804) † (FOSSIL)
seyadi, Iglica seyadi Backhuys & Boeters, 1974
seyadi, Iglica seyadi Backhyus & Boeters, 1974
shadini, Sogdamnicola shadini Izzatullaev, 1984
shaganensis, Pyrgula shaganensis Roshka, 1973 † (FOSSIL)
sheldoni, Hoyia sheldoni (Pilsbry, 1890)
shoutedeni, Hydrobia shoutedeni Bequaert & Clench, 1936
sidariensis, Iglica sidariensis Schütt, 1980
sidorovi, Caspiohydrobia sidorovi Starobogatov & Andreeva, 1981
sieversi, Pyrgula sieversi (Böttger, 1881)
sieversi, Pyrgula sieversi (Clessin, 1888)
sieversi, Nematurella sieversi Clessin, 1888 - syn of: Pyrgula sieversi (Clessin, 1888)
sieversi, Turricaspia sieversi Kolesnikov, 1947 - syn of: Pyrgula lencoranica Logvinenko & Starobogatov, 1968
sigestra, Alzoniella sigestra Giusti & Bodon, 1984
silvestri, Nematurella silvestri Pantanelli, 1877 † (FOSSIL)
silviae, Belgrandia silviae Rolán & Oliveira, 2009
simici, Staja simici (Pavlovic, 1903) † (FOSSIL)
similis, Mercuria similis (Draparnaud, 1805)
similis, Islamia similis Haas, 1929 - syn of: Islamia globulus (Bofill, 1919)
similis, Pyrgulopsis similis Hershler, Ratcliffe & al., 2014
similis, Pyrgula similis Logvinenko & Starobogatov, 1968
similis curtisiana, Mercuria similis curtisiana (Draparnaud, 1805)
similis tenuicostata, Mercuria similis tenuicostata (Draparnaud, 1805)
simonsiana, Fluvidona simonsiana Brazier, 1875
simovi, Bythiospeum simovi Georgiev, 2013
simplex, Hydrobia simplex (Fuchs, 1877) † (FOSSIL)
simplex, Pyrgulopsis simplex Hershler, 1988
simplex, Pyrgula simplex Logvinenko & Starobogatov, 1968
simsoniana, Fluvidona simsoniana Brazier, 1875 - syn of: Austropyrgus simsonianus (Brazier, 1875)
simsonianus, Austropyrgus simsonianus (Brazier, 1875)
singularis, Phrantela singularis Ponder & Clark, 1993
sinjana, Hydrobia sinjana Brusina, 1897 † (FOSSIL)
sinjana, Hauffenia jadertina sinjana Kušcer
sinuatus, Austropyrgus sinuatus Clark, Miller & Ponder, 2003
sinzowii, Turricaspia sinzowii (Andrusov, 1890) † (FOSSIL)
sketi, Saxurinator sketi (Bole, 1960)
sketi, Hadziella sketi Bole, 1961
sketi, Dalmatella sketi Velkovrh, 1970
skhiadica, Pseudamnicola skhiadica (Bukowski, 1896) † (FOSSIL)
skhiadica conica, Pseudamnicola skhiadica conica Willmann, 1981 † (FOSSIL)
skradinensis, Lanzaia skradinensis Bole, 1992
skupica, Grossuana euxina skupica Radoman
slacksmithae, Westrapyrgus slacksmithae Ponder, Clark & Miller, 1999
slavonica, Prososthenia slavonica (Brusina, 1874) † (FOSSIL)
slavonica, Belgrandiella slavonica Radoman, 1975
slavyanica, Grossuana slavyanica Georgiev & Glöer, 2013
slovenica, Alzoniella slovenica (Loek & Brtek, 1964)
smaragdovae, Turkmenamnicola smaragdovae (Abrikosov & Tzvetkov, 1945)
smithi, Trochidrobia smithi Ponder, Hershler & Jenkins, 1989
smithii, Austropyrgus smithii (Petterd, 1889)
smithii, Fluvidona smithii Petterd, 1889 - syn of: Austropyrgus smithii (Petterd, 1889)
smolwan, Fluviopupa smolwan Haase, Fontaine & Gargominy, 2010
smyri, Pontohoratia smyri Vinarski, Palatov & Glöer, 2014
smyrnensis, Pseudorientalia natolica smyrnensis Schütt
snel, Fluviopupa snel Haase, Fontaine & Gargominy, 2010
soceni, Socenia soceni Jekelius, 1944 † (FOSSIL)
soceni, Staja soceni Jekelius, 1944 † (FOSSIL)
soceni, Micromelania soceni Jekelius, 1944 † (FOSSIL)
soceni, Hydrobia soceni Jekelius, 1944 † (FOSSIL)
soedjatmokoi, Sulawesidrobia soedjatmokoi Zielske, Glaubrecht & Haase, 2011
sogdiana, Caspiohydrobia sogdiana Starobogatov & Izzatullaev, 1974
sokolovi, Horatia sokolovi Starobogatov, 1962
sola, Pyrgulopsis sola Hershler, 1988
solemi, Leiorhagium solemi Haase & Bouchet, 1998
solida, Rhodopyrgula rhodiensis solida Willmann (FOSSIL)
solidula, Avenionia solidula Brancsik, 0 - syn of: Avenionia brevis (Draparnaud, 1805)
solitarius, Austropyrgus solitarius Clark, Miller & Ponder, 2003
somiedoensis, Alzoniella somiedoensis Rolán, Arconada & Boeters, 2009
soosi, Hydrobia soosi (Wagner, 1928)
sorgica, Belgrandia sorgica Coutagne, 1881 - syn of: Belgrandia marginata (Michaud, 1831)
sororius, Catapyrgus sororius Haase, 2008
soussensis, Iglica soussensis Ghamizi & Bilal, 2017
sowinskyi, Pyrgula sowinskyi Logvinenko & Starobogatov, 1968
spalatiana, Ecrobia spalatiana Radoman, 1977 - syn of: Ecrobia ventrosa (Montagu, 1803)
sparsus, Austropyrgus sparsus (Iredale, 1944)
spasskii, Turricaspia spasskii (Logvinenko & Starobogatov, 1968)
spectabilis, Acme spectabilis Rossmässler, 1839 - syn of: Renea spectabilis (Rossmässler, 1839)
spectus, Austropyrgus spectus Clark, Miller & Ponder, 2003
spelaeus, Catapyrgus spelaeus Climo, 1974
sphaerion, Pseudamnicola sphaerion (Mousson, 1863)
sphaerion, Lithoglyphoides sphaerion Lindholm, 1924 - syn of: Pseudamnicola brusiniana (Clessin & Dybowski, 1888)
sphinctostoma, Texadina sphinctostoma (Abbott & Ladd, 1951)
spica, Turricaspia spica (Eichwald, 1855)
spica, Hydrobia spica Grimm, 1876 - syn of: Pyrgula concinna Logvinenko & Starobogatov, 1968
spica, Turricaspia spica Kolesnikov, 1947 - syn of: Turricaspia spasskii (Logvinenko & Starobogatov, 1968)
spica incisata, Micromelania spica incisata Dybowski & Grochmalicki, 1915 - syn of: Pyrgula lirata (Dybowski & Grochmalicki, 1915)
spica lirata, Turricaspia spica lirata Dybowski & Grochmalicki, 1915 - syn of: Pyrgula lirata (Dybowski & Grochmalicki, 1915)
spica nova, Turricaspia spica nova Kolesnikov, 1947 - syn of: Pyrgula concinna Logvinenko & Starobogatov, 1968
spica typica, Micromelania spica typica Dybowski & Grochmalicki, 1915 - syn of: Turricaspia spica (Eichwald, 1855)
spicula, Hydrobia spicula Stefanescu, 1896 † (FOSSIL)
spinata, Baglivia spinata Lörenthey, 1895 † (FOSSIL)
spinctostoma, Texadina spinctostoma (Abbott & Ladd, 1953)
spinosus brevispira, Pyrgulopsis spinosus brevispira Ancey, 1888 - syn of: Pyrgophorus spinosus (Call & Pilsbry, 1886)
spiralis, Lobogenes spiralis Pilsbry & Bequaert, 1927
spirata, Islamia spirata (Bernasconi, 1985)
spirata, Bythiospeum spirata Geyer, 1904 - syn of: Bythiospeum clessini (Weinland, 1883)
spirellum, Bythiospeum spirellum Geyer, 1904 - syn of: Bythiospeum clessini (Weinland, 1883)
spiridoni, Bracenica spiridoni Radoman, 1973
spoliata, Schuettemmericia spoliata Kadolsky, 1993 † (FOSSIL)
spreta, Bania spreta (Brusina, 1897) † (FOSSIL)
stagnalis, Hydrobia stagnalis Baster, 1765 - syn of: Semisalsa stagnorum (Gmelin, 1791)
stagnalis capellinii, Hydrobia stagnalis capellinii Gillet, 1963 † - syn of: Semisalsa stagnorum capellinii (Gillet, 1963) † (FOSSIL)
stagnorum, Hydrobia stagnorum Gmelin, 1791 - syn of: Semisalsa stagnorum (Gmelin, 1791)
stanimirae, Belgrandiella stanimirae Georgiev, 2011
stanislavi, Caspia stanislavi Alexenko & Starobogatov, 1987
stankovici, Ohrigocea stankovici (Hadžišce, 1959)
stankovici, Micropyrgula stankovici (Polinski, 1929)
stankovici, Neofossarulus stankovici (Polinski, 1929)
stankovici, Lyhnidia stankovici Hadžišce, 1959
stankovici, Pyrgula stankovici Polinski, 1929 - syn of: Micropyrgula stankovici (Polinski, 1929)
starobogatovi, Caspiohydrobia starobogatovi Iljina, 1976 † (FOSSIL)
starobogatovi, Turricaspia starobogatovi Roshka, 1973 † (FOSSIL)
starostini, Pseudocaspia starostini Starobogatov, 1972
stavropoliana, Hydrobia stavropoliana Zhizhchenko, 1936 † (FOSSIL)
stearnsiana, Pyrgulopsis stearnsiana (Pilsbry, 1899)
stefaniana, Micromelania stefaniana (Pantanelli, 1879) † (FOSSIL)
steffeki, Islamia steffeki Glöer & Grego, 2015
steinheimensis, Bythiospeum steinheimensis (Gottschick, 1921) † (FOSSIL)
steinheimensis, Bania pseudoglobula steinheimensis Miller (FOSSIL)
stenochora, Lapparentia stenochora Cossmann, 1888 † (FOSSIL)
sterilis, Pyrgulopsis sterilis Hershler, 1998
sterkianum, Bythiospeum sterkianum (Clessin, 1882)
sterkianum lauterborni, Bythiospeum sterkianum lauterborni (Haas, 1936)
stevensmithi, Austropyrgus stevensmithi Clark, Miller & Ponder, 2003
stigmatica, Lisinskia stigmatica (Brusina, 1897) † (FOSSIL)
stochi, Belgrandia stochi (Bodon, Manganelli & Giusti, 1996)
stosiciana, Bania stosiciana (Brusina, 1874) † (FOSSIL)
stoyanovi, Bythiospeum stoyanovi Georgiev, 2013
strandzhica, Radomaniola strandzhica Georgiev & Glöer, 2013
strauchi, Nematurella strauchi Kowalke & Reichenbacher, 2005 † (FOSSIL)
streptogyra, Baglivia streptogyra Brusina, 1892 † (FOSSIL)
striata, Staja striata (Andrusov, 1890) † (FOSSIL)
striata, Hydrobia striata (Angas, 1842)
striata, Martinietta striata (Fischer & Wenz, 1914) † (FOSSIL)
striata, Muellerpalia striata Bandel, 2010 † (FOSSIL)
striata, Hydrobia striata D'Orbigny, 1840 - syn of: Onoba amissa Ponder & Worsfold, 1994
striata, Micromelania striata Gorjanovic-Kramberger, 1890 † (FOSSIL)
striatella, Hydrobia striatella (Grateloup, 1838) † (FOSSIL)
striatocarinata, Pontohydrobia striatocarinata (Andrusov, 1890) † (FOSSIL)
strongylogyra, Baglivia strongylogyra Brusina, 1892 † (FOSSIL)
strongylostoma, Hydrobia strongylostoma Brusina, 1865
sturanyi, Chilopyrgula sturanyi (Brusina, 1896)
sturanyi, Prososthenia sturanyi (Bukowski, 1896) † (FOSSIL)
sturanyi, Polinskiola sturanyi (Westerlund, 1902)
sturi, Nematurella sturi (Brusina, 1897) † (FOSSIL)
sturmi, Boetersiella sturmi (Rosenhauer, 1856)
styriaca, Odontohydrobia styriaca Harzhauser & al., 2012 † (FOSSIL)
styriaca, Belgrandiella styriaca Stojaspal, 1978
subarchimedis, Pyrgula subarchimedis Friedberg, 1923 † (FOSSIL)
subcarinata, Nematurella subcarinata (Michelotti, 1840) † (FOSSIL)
subcarinata, Hauffenia subcarinata Bole & Velkovrh, 1987
subcarinata carinatior, Nematurella subcarinata carinatior Sacco, 1895 † (FOSSIL)
subcarinata longiuscula, Nematurella subcarinata longiuscula Sacco, 1895 † (FOSSIL)
subcarinata ventrosula, Nematurella subcarinata ventrosula Sacco, 1895 † (FOSSIL)
subcaspia, Micromelania subcaspia Andrusov, 1923 † (FOSSIL)
subconoidalis, Hydrobia subconoidalis Morgan, 1920 † (FOSSIL)
subconvexa, Caspiohydrobia subconvexa (Logvinenko & Starobogatov, 1968)
subdiscerta, Beogradica subdiscerta Pavlovic, 1927 † (FOSSIL)
subdistorta, Hydrobia obtusa subdistorta Wenz (FOSSIL)
subdola, Pyrgula subdola Esu & Girotti, 2016 † (FOSSIL)
subdoumeti, Avenionia subdoumeti Caziot, 1910 - syn of: Avenionia brevis (Draparnaud, 1805)
subeichwaldi, Turricaspia subeichwaldi Anistratenko & Gozhik, 1995 † (FOSSIL)
subglobosus, Birgella subglobosus (Say, 1825)
subglobosus isogonus, Birgella subglobosus isogonus (Say, 1829)
subglobulus, Pseudamnicola subglobulus (D'Orbigny, 1852) † (FOSSIL)
sublacustrina, Karucia sublacustrina Glöer & Pešic, 2013
sublaevis, Prososthenia sublaevis Oppenheim, 1919 † - syn of: Micromelania phrygica (Oppenheim, 1919) † (FOSSIL)
sublata, Pyrgulopsis sublata Hershler, 1998
sublitoralis, Ohridohauffenia sublitoralis (Radoman, 1963)
sublitoralis, Ginaia munda sublitoralis Radoman
sublitoralis, Lyhnidia sublitoralis Radoman, 1967
subovata, Tanousia subovata (Settepassi, 1965) † (FOSSIL)
subpiscinalis, Hauffenia subpiscinalis (Kušcer, 1932)
subpolita, Acme subpolita Gottschick, 1921 - syn of: Platyla polita (Hartmann, 1840)
subproducta, Pseudamnicola subproducta (Paladilhe, 1869)
subprotracta, Hydrobia subprotracta Zhizhchenko, 1936 † (FOSSIL)
subpyrenaica, Hydrobia subpyrenaica Noulet, 1854 † - syn of: Schuettemmericia lemani (Basterot, 1825) † (FOSSIL)
subricta, Pseudamnicola subricta Westerlund, 0 - syn of: Pseudamnicola luteola (Küster, 1862)
substriatula, Hydrobia substriatula Sinzov, 1880 † (FOSSIL)
substricta, Belgrandiella substricta (Kušcer, 1932)
subsuturata, Hydrobia subsuturata Jekelius, 1944 † (FOSSIL)
subsyrmica, Micromelania subsyrmica (Sinzov, 1896) † (FOSSIL)
subula, Micromelania subula (Fuchs, 1870) † (FOSSIL)
subula, Orygoceras subula Brusina, 1905 † (FOSSIL)
subulata, Hydrobia subulata Deshayes, 1825 † (FOSSIL)
subulata, Micromelania subulata Westerlund, 1902 - syn of: Turricaspia meneghiniana (Issel, 1865)
subventrosa, Hydrobia subventrosa Gottschick, 1921 † (FOSSIL)
suessi, Prososthenia suessi Burgerstein, 1877 † (FOSSIL)
suevica abnobae, Vitrella suevica abnobae Geyer, 1905 - syn of: Bythiospeum abnobae (Geyer, 1905)
suevica goviensis, Vitrella suevica goviensis Geyer, 1907 - syn of: Bythiospeum goviense (Geyer, 1907)
suevicum, Bythiospeum suevicum (Geyer, 1905)
sulcata, Sardohoratia sulcata Manganelli, Bodon & al., 1998
sulculata, Micromelania sulculata Brusina, 1892 † (FOSSIL)
sulculata, Hydrobia sulculata Sandberger, 1875 † (FOSSIL)
sundecici, Prososthenia sundecici Brusina, 1902 † (FOSSIL)
supercarinata, Sadleriana supercarinata (Schütt, 1969)
superior, Belgrandiella superior Kušcer, 1932
supernum, Leiorhagium supernum Haase & Bouchet, 1998
suturata, Hydrobia frauenfeldi suturata Fuchs (FOSSIL)
synoria, Austropyrgus synoria Clark, Miller & Ponder, 2003
syriaca, Pyrgula syriaca Pallary, 1930 - syn of: Pyrgula sieversi (Böttger, 1881)
syrmica, Pyrgula syrmica Brusina, 1892 † (FOSSIL)
syrmica, Hydrobia syrmica Neumayr, 1875 † (FOSSIL)
szarowskae, Bythiospeum szarowskae Glöer, Grego, Eröss & Fehér, 2015
tabanensis, Arganiella tabanensis Boeters, Glöer & Pešic, 2014
tabensis, Muellerpalia tabensis Bandel, 2010 † (FOSSIL)
tachoensis, Mercuria tachoensis (Frauenfeld, 1865)
tadjikistanica, Pseudocaspia tadjikistanica (Izzatullaev, 1972)
tadzhikistanica, Caspiohydrobia tadzhikistanica Starobogatov & Izzatullaev, 1974
taediosa, Staja taediosa (Brusina, 1892) † (FOSSIL)
tajoensis, Corrosella tajoensis (Boeters, Girardi & Knebelsberger, 2015)
tamanensis, Caspiohydrobia tamanensis Iljina, 1976 † (FOSSIL)
tampicoensis, Littoridinops tampicoensis (Pilsbry & Hinkley, 1907)
tampicoensis, Paludestrina tampicoensis Pilsbry & Hinkley, 1907 - syn of: Littoridinops tampicoensis (Pilsbry & Hinkley, 1907)
tanevi, Pontobelgrandiella tanevi Georgiev, 2013
tangbunia, Fluviopupa tangbunia Zielske & Haase, 2014
tanuloa, Fluviopupa tanuloa Zielske & Haase, 2014
tarchanensis, Hydrobia tarchanensis Zhizhchenko, 1936 † (FOSSIL)
targoniana, Belgrandia targoniana (Clessin, 1882)
targouasensis, Mercuria targouasensis Glöer, Boeters & Walther, 2015
tasmani, Fluviopupa tasmani Zielske & Haase, 2014
tasmanica, Beddomeia tasmanica (Tenison-Woods, 1875)
tasmanica, Fluvidona tasmanica Von Martens, 1858 - syn of: Ascorhis tasmanica (Von Martens, 1858)
tassoi, Prososthenia tassoi Esu & Girotti, 2001 † (FOSSIL)
tateiformis, Austropyrgus tateiformis Clark, Miller & Ponder, 2003
tathraensis, Austropyrgus tathraensis Clark, Miller & Ponder, 2003
tauberi, Micromelania tauberi Sauerzopf, 1952 † (FOSSIL)
taxisi, Bythiospeum taxisi (Geyer, 1907)
taylori, Phreatoceras taylori Hershler, 1995
tebus, Austropyrgus tebus Clark, Miller & Ponder, 2003
tedanicus, Lithoglyphulus tedanicus Schlickum & Schütt, 1971 - syn of: Tanousia zrmanjae (Brusina, 1866)
tefennica, Tefennia tefennica Schütt & Yildirim, 2003
tejedoi, Corrosella tejedoi (Boeters, Girardi & Knebelsberger, 2015)
tela, Tepalcatia tela Thompson & Hershler, 2002
tellinii, Iglica tellinii (Pollonera, 1887)
tellinii, Hauffenia tellinii Pollonera, 1899
templi, Avenionia templi Caziot, 1910 - syn of: Avenionia brevis (Draparnaud, 1805)
tenella, Socenia tenella Jekelius, 1944 † (FOSSIL)
tenue, Bythiospeum tenue (Geyer, 1905)
tenuicostata, Mercuria similis tenuicostata Draparnaud
tenuipes, Littoridinops tenuipes (Couper, 1844)
tenuis, Graecoanatolica tenuis Radoman, 1973
tenuistriata, Jekeliella tenuistriata (Fuchs, 1870) † (FOSSIL)
tenuistriata, Brasovia tenuistriata (Roshka, 1973) † (FOSSIL)
terebellata, Paludestrina terebellata Nyst, 1835 † - syn of: Eula terebellata (Nyst, 1835) † (FOSSIL)
terpoghassiani, Pyrgula terpoghassiani Zhadin, 1952 - syn of: Shadinia terpoghassiani (Zhadin, 1952)
terveri, Bythiospeum terveri (Locard, 1882)
tessellata, Pyrgula tessellata Brusina, 1897 † (FOSSIL)
testadura, Hydrobia testadura Radoman, 1973 - syn of: Hydrobia acuta (Draparnaud, 1805)
tetropsodes, Hydrobia tetropsodes Paladilhe, 1870 - syn of: Hydrobia acuta (Draparnaud, 1805)
texana, Hydrobia texana Pilsbry, 1935 - syn of: Pyrgophorus spinosus (Call & Pilsbry, 1886)
thaanumi, Hydrobia thaanumi Pilsbry, 1900
thaytinitiensis, Salalahia thaytinitiensis Kadolsky, M. Harzhauser & Neubauer, 2015 † (FOSSIL)
thermalis, Belgrandia thermalis (Linnaeus, 1767)
thermalis, Hadziella thermalis Bole, 1992
thermalis, Pyrgulopsis thermalis Taylor, 1987
thiesseana, Dianella thiesseana (Kobelt, 1878)
tholosa, Pseudamnicola tholosa Jekelius, 1944 † (FOSSIL)
thompsoni, Pyrgulopsis thompsoni Hershler, 1988
thracica, Grossuana thracica Glöer & Georgiev, 2009
tietzei, Marticia tietzei (Neumayr, 1880) † (FOSSIL)
timisiensis, Hydrobia timisiensis Jekelius, 1944 † (FOSSIL)
tingitana, Mercuria tingitana Glöer, Boeters & Walther, 2015
titusi, Fluviopupa titusi Haase, Fontaine & Gargominy, 2010
topsiae, Beddomeia topsiae Ponder & Clark, 1993
torbariana, Bania torbariana (Brusina, 1874) † (FOSSIL)
torifera, Belgrandia torifera Schütt, 1961
toroki, Micromelania toroki (Lörenthey, 1894) † (FOSSIL)
torrei, Hydrobia torrei Pilsbry & Aguayo, 1933
torresiana, Fluviopupa torresiana Haase, Fontaine & Gargominy, 2010
torrida, Pyrgulopsis torrida Hershler, Liu & al., 2016
totteni, Hydrobia totteni Morrison, 1954 - syn of: Ecrobia truncata (Vanatta, 1924)
tournoueri, Prososthenia tournoueri (Neumayr, 1869) † (FOSSIL)
tournoueri, Hydrobia tournoueri Sandberger, 1875 † (FOSSIL)
tovunica, Hauffenia tovunica Radoman, 1978
towutiensis, Sulawesidrobia towutiensis Zielske, Glaubrecht & Haase, 2011
tramuntanae, Pseudamnicola tramuntanae Altaba, 2007 - syn of: Pseudamnicola beckmanni Glöer & Zettler, 2007
transilvanica, Pseudamnicola transilvanica (Brusina, 1902) † (FOSSIL)
transitans, Pyrgula transitans (Neumayr, 1875) † (FOSSIL)
transsylvanica, Bythiospeum transsylvanica (Rotarides, 1943)
transversa, Pyrgulopsis transversa Hershler, 1998
travnicensis, Sarajana apfelbecki travnicensis Radoman
triangula, Pseudamnicola triangula Pana, 2005 † (FOSSIL)
tribunicae, Plagigeyeria tribunicae Schütt, 1963
tricarinata, Micromelania tricarinata Lörenthey, 1893 † (FOSSIL)
tricarinata, Probaicalia tricarinata Pan, 1980 † (FOSSIL)
trichoniana, Islamia trichoniana Radoman, 1979
trichonica, Trichonia trichonica (Radoman, 1973)
triculiformis, Nurekia triculiformis Izzatullaev, Sitnikova & Starobogatov, 1985
trinitatis, Avenionia trinitatis Caziot, 1910 - syn of: Avenionia brevis (Draparnaud, 1805)
tripaloi, Bania tripaloi (Brusina, 1884) † (FOSSIL)
tristis, Phrantela daveyensis tristis Ponder & Clark
triton, Turricaspia triton (Eichwald, 1838)
triton, Pyrgula triton Logvinenko & Starobogatov, 1968 - syn of: Turricaspia martensii (Clessin & Dybowski, 1888)
trivialis, Turricaspia trivialis (Logvinenko & Starobogatov, 1968)
trivialis, Pyrgulopsis trivialis Taylor, 1987
trochiformis, Brasovia trochiformis (Jekelius, 1932) † (FOSSIL)
trochiformis, Beddomeia trochiformis Ponder & Clark, 1993
trochisimilis, Brasovia trochisimilis (Jekelius, 1932) † (FOSSIL)
trochulus, Hydrobia trochulus Sandberger, 1875 † (FOSSIL)
trochus, Staja trochus (Andrusov, 1890) † (FOSSIL)
troglobia, Pseudamnicola troglobia Bole, 1961
tropidophorum, Orygoceras tropidophorum Brusina, 1902 † (FOSSIL)
truncata, Ecrobia truncata (Vanatta, 1924)
truncata, Hydrobia truncata Vanatta, 1924 - syn of: Ecrobia truncata (Vanatta, 1924)
tryoniopsis, Cyclothyrella tryoniopsis (Brusina, 1874) † (FOSSIL)
tschapecki, Bythiospeum tschapecki (Clessin, 1882)
tschapecki, Vitrella tschapecki Clessin, 1878 - syn of: Bythiospeum tschapecki (Clessin, 1882)
tubuaia, Fluviopupa tubuaia Haase, Gargominy & Fontaine, 2005
tullyensis, Jardinella tullyensis Ponder, 1991
tumida, Martinietta tumida Kadolsky & Piechocki, 2000 † (FOSSIL)
tumida, Beddomeia tumida Petterd, 1889
tumidus, Austropyrgus tumidus Clark, Miller & Ponder, 2003
tumorosa, Jardinella tumorosa Ponder, 1991
tunisiensis, Bullaregia tunisiensis Khalloufi, Béjaoui & Delicado, 2017
turbatrix, Pyrgulopsis turbatrix Hershler, 1998
turbinata, Hydrobia turbinata Petterd, 1889 - syn of: Ascorhis victoriae (Tenison-Woods, 1878)
turbinelloides, Microbeliscus turbinelloides (Fuchs, 1870) † (FOSSIL)
turbinellum, Bythiospeum turbinellum (Geyer, 1905)
turgens, Bythiospeum turgens Dehm
turgida, Spilochlamys turgida Thompson, 1969
turgidula, Peringia turgidula (Deshayes, 1863) † (FOSSIL)
turiecensis, Tournouerina turiecensis Neubauer & Harzhauser, 2015 † (FOSSIL)
turislavica, Staja turislavica Jekelius, 1944 † (FOSSIL)
turkmenica, Pyrgula turkmenica Logvinenko & Starobogatov, 1968
turnerae, Beddomeia turnerae Ponder & Clark, 1993
turneri, Bythiospeum rhenanum turneri Bernasconi
turonensis, Pseudamnicola turonensis (Sandberger, 1875) † (FOSSIL)
turricula, Turricaspia turricula (Clessin & Dybowski, 1888)
turricula, Pyrgula turricula (Neumayr, 1875) † (FOSSIL)
turricula major, Micromelania turricula major Dybowski & Grochmalicki, 1915 - syn of: Turricaspia andrussowi (Dybowski & Grochmalicki, 1915)
turris, Pyrgula turris Taner, 1974 † - syn of: Micromelania phrygica (Oppenheim, 1919) † (FOSSIL)
turrita, Hydrobia turrita (Grateloup, 1827) † (FOSSIL)
turrita, Caspiohydrobia turrita (Logvinenko & Starobogatov, 1968)
turrita, Socenia turrita (Roshka, 1973) † (FOSSIL)
turrita, Lanzaia turrita Kušcer, 1933
turritellina, Micromelania turritellina Brusina, 1897 † (FOSSIL)
turritissima, Turricaspia turritissima (Andrusov, 1890) † (FOSSIL)
turritum, Bythiospeum turritum (Clessin, 1877)
tzekovi, Pseudorientalia tzekovi Glöer & Georgiev, 2012
ucetiaensis, Islamia ucetiaensis Girardi & Boeters, 2015
uenoi, Akiyoshia uenoi Kuroda & Habe, 1954
uiratamensis, Hydrobia uiratamensis Kolesnikov, 1935 † (FOSSIL)
uka, Fluviopupa uka Zielske & Haase, 2014
ukadoi, Hydrobia ukadoi Unknown
ukrainica, Euxinipyrgula ukrainica (Alexenko & Starobogatov, 1987)
ulskii, Pyrgula ulskii (Clessin & Dybowski, 1888)
ultramontana, Pseudamnicola ultramontana Wenz, 1919 † (FOSSIL)
ulvae, Peringia ulvae (Pennant, 1777)
ulvae albida, Hydrobia ulvae albida Jeffreys, 1867 - syn of: Peringia ulvae (Pennant, 1777)
ulvae pseudostagnalis, Peringia ulvae pseudostagnalis De Stefani, 1877 † (FOSSIL)
umbilicaris, Hydrobia girondica umbilicaris Cossmann & Peyrot (FOSSIL)
umbilicata, Boleana umbilicata (Kušcer, 1932)
umbilicata, Pyrgulopsis umbilicata Hershler, 1998
undocostata, Prososthenia undocostata Neubauer & al., 2013 † (FOSSIL)
unicarinata, Pyrgula unicarinata Brusina, 1902 † (FOSSIL)
unicarinata, Brasovia producta unicarinata Jekelius (FOSSIL)
unicincta, Muellerpalia haszprunari unicincta Lörenthey (FOSSIL)
unthanksensis, Holsingeria unthanksensis (Hershler, 1989)
uralensis, Pyrgula uralensis Logvinenko & Starobogatov, 1968
urosevici, Pseudamnicola urosevici Pavlovic, 1931 † (FOSSIL)
utvensis, Turricaspia utvensis (Andrusov, 1902) † (FOSSIL)
vakalevu, Fluviopupa vakalevu Zielske & Haase, 2014
vakamalolo, Fluviopupa vakamalolo Haase, Ponder & Bouchet, 2006
valkanovi, Caspia valkanovi (Golikov & Starobogatov, 1966)
valladolensis, Corrosella valladolensis (Boeters, Girardi & Knebelsberger, 2015)
valladolensis kahbei, Corrosella valladolensis kahbei (Boeters, Girardi & Knebelsberger, 2015)
vallei, Bythiospeum vallei (Giusti & Pezzoli, 1976)
valqueyrasense, Bythiospeum valqueyrasense Girardi, 2015
valtrovici, Prososthenia valtrovici (Brusina, 1902) † (FOSSIL)
valvataeformis, Islamia valvataeformis (Möllendorff, 1873)
valvataeformis, Hauffenia valvataeformis Pollonera, 1898 - syn of: Hauffenia tellinii Pollonera, 1899
valvataeformis, Prespolitorea valvataeformis Radoman, 1973
valvatoides, Bania valvatoides (Brusina, 1872) † (FOSSIL)
vanhyningi, Cincinnatia vanhyningi Vanatta, 1934
variabilis, Turricaspia variabilis (Eichwald, 1838)
variabilis, Goniochilus variabilis (Lörenthey, 1902) † (FOSSIL)
variabilis, Clessiniola variabilis Ilyina, 1966 - syn of: Turricaspia bogensis (Dubois De Montpéreux, 1852)
variabilis, Clessiniola variabilis Kolesnikov, 1947 - syn of: Turricaspia triton (Eichwald, 1838)
variabilis, Pyrgula variabilis Logvinenko & Starobogatov, 1968 - syn of: Turricaspia martensii (Clessin & Dybowski, 1888)
variabilis, Fonscochlea variabilis Ponder, Hershler & Jenkins, 1989
varians, Muellerpalia varians Fuchs, 1870 † - syn of: Marinescugyra varians (Fuchs, 1870) † (FOSSIL)
varica, Belgrandia varica (Paget, 1854)
variegata, Pyrgulopsis variegata Hershler, 1998
varneri, Pyrgulopsis varneri Heshler, Liu & Sada, 2007
vastus, Austropyrgus vastus Clark, Miller & Ponder, 2003
vatukuca, Fluviopupa vatukuca Zielske & Haase, 2014
vayssieri, Avenionia vayssieri Nicolas, 1882 - syn of: Corrosella astierii (Dupuy, 1851)
vegorriticola, Graecoanatolica vegorriticola (Schütt, 1962)
velkovrhi, Iglica velkovrhi De Mattia, 2007
velonae, Belgrandia velonae Esu & Girotti, 2015
ventricosa, Pyrgulopsis ventricosa Hershler, 1995
ventrosa, Ecrobia ventrosa (Montagu, 1803)
ventrosa, Hydrobia ventrosa auct. non Montagu, 1803 - syn of: Caspiohydrobia eichwaldiana (Golikov & Starobogatov, 1966)
ventrosa polysarca, Ecrobia ventrosa polysarca (Cossmann & Peyrot, 1918) † (FOSSIL)
ventrosula, Nematurella subcarinata ventrosula Sacco (FOSSIL)
verenana, Belgrandiella verenana Boeters, 2008
vervierii, Palacanthilhiopsis vervierii Bernasconi, 1988
veselinae, Devetakia veselinae Georgiev & Glöer, 2015
veszprimica, Hydrobia veszprimica Tausch, 1886 † (FOSSIL)
vexatilis, Turricaspia vexatilis (Andrusov, 1902) † (FOSSIL)
victoriae, Hydrobia victoriae Tenison-Woods, 1878 - syn of: Ascorhis victoriae (Tenison-Woods, 1878)
victoriensis, Victodrobia victoriensis Ponder & Clark, 1993
vidovici, Staja vidovici (Brusina, 1892) † (FOSSIL)
vidrovani, Vinodolia vidrovani (Radoman, 1973)
vilcensis, Prososthenia vilcensis Pana, 1989 † (FOSSIL)
villacampae, Pyrgulopsis villacampae Hershler, 1998
vinarskii, Pseudamnicola vinarskii Glöer & Georgiev, 2012
vindilica, Mercuria vindilica (Paladilhe, 1870)
vinearum, Pyrgula vinearum Esu & Girotti, 2016 † (FOSSIL)
vinogradovi, Turricaspia vinogradovi (Logvinenko & Starobogatov, 1968)
vinyardi, Pyrgulopsis vinyardi Hershler, 1998
viquesneli, Micromelania viquesneli Pavlovic, 1903 † (FOSSIL)
virescens, Pseudamnicola virescens (Küster, 1853)
viridarium, Austropyrgus viridarium Clark, Miller & Ponder, 2003
vitimensis, Probaicalia vitimensis Martinson, 1949 † (FOSSIL)
vitoja, Plagigeyeria zetaprotogona vitoja Reischütz & Reischütz
vitojaensis, Bracenica vitojaensis Glöer, Grego, Eröss & Fehér, 2015
vitrea, Hydrobia vitrea (Risso, 1826)
vitrella, Hydrobia vitrella Stefanescu, 1896 † (FOSSIL)
vjetrenicae, Lanzaia vjetrenicae Kušcer, 1933
vjetrenicae, Narentiana vjetrenicae Radoman, 1973
vjetrenicae kusceri, Lanzaia vjetrenicae kusceri Karaman, 1954
vjetrenicae latecostata, Lanzaia vjetrenicae latecostata Schütt, 1968
vobarnense, Iglica vobarnense Pezzoli & Toffoletto, 1968
vojskavae, Prososthenia vojskavae Olujic, 1999 † (FOSSIL)
vrabaci, Nematurella vrabaci Neubauer & al., 2013 † (FOSSIL)
vrbasensis, Belgrandiella vrbasensis Radoman, 1975
vrissiana, Graecorientalia vrissiana (Radoman, 1966)
vulavula, Fluviopupa vulavula Zielske & Haase, 2014
vulgaris, Austropyrgus vulgaris Clark, Miller & Ponder, 2003
vurliana, Grossuana euxina vurliana Radoman
wabashensis, Pyrgulopsis wabashensis (Hinkley, 1908)
waegelei, Bythiospeum waegelei (Hässlein, 1938)
wagneri, Hauffenia wagneri (Kušcer, 1928)
wagneri, Stankovicia wagneri (Polinski, 1929)
wagneri, Odontohydrobia wagneri Pavlovic, 1927 † (FOSSIL)
walterlinii, Fluviopupa walterlinii Haase, Fontaine & Gargominy, 2010
warwicki, Phrantela warwicki Ponder & Clark, 1993
waterhouseae, Beddomeia waterhouseae Ponder & Clark, 1993
wawrai, Belgrandiella wawrai Haase, 1996
weinlandi, Bythiospeum weinlandi (Geyer, 1904)
wekiwae, Cincinnatia wekiwae Thompson, 1968
welterschultesi, Pseudamnicola welterschultesi Neubauer, Harzhauser, Kroh, Georgopoulou & Mandic † (FOSSIL)
wenzi, Turricaspia wenzi Roshka, 1973 † (FOSSIL)
westralis, Westrapyrgus westralis Ponder, Clark & Miller, 1999
wetherbyi, Notogillia wetherbyi (Dall, 1885)
wiaaiglica, Bythiospeum wiaaiglica Reischütz & Reischütz, 2006
wienerwaldensis, Hauffenia wienerwaldensis Haase, 1992
wiktori, Agrafia wiktori Szarowska & Falniowski, 2011
wilhelmi, Acme wilhelmi Wagner, 1910 - syn of: Platyla wilhelmi (Wagner, 1910)
willii, Moominia willii Gerlach, 2003
wilmotensis, Beddomeia wilmotensis Ponder & Clark, 1993
winkleri, Goniochilus winkleri Sauerzopf, 1952 † (FOSSIL)
winkleyi, Cincinnatia winkleyi (Pilsbry, 1912)
winkleyi mozleyi, Cincinnatia winkleyi mozleyi Walker, 1925
wiseae, Beddomeia wiseae Ponder & Clark, 1993
wolfi, Arganiella wolfi (Glöer & Boeters, 2007)
wolfi, Boetersiella wolfi Glöer & Boeters, 2007 - syn of: Arganiella wolfi (Glöer & Boeters, 2007)
wolfischeri, Iglica wolfischeri Reischütz & Reischütz, 2004
wombeyanensis, Austropyrgus wombeyanensis Clark, Miller & Ponder, 2003
wongi, Pyrgulopsis wongi Hershler, 1989
woodsii, Fluvidona woodsii Petterd, 1889
wrighti, Pyrgulopsis wrighti Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
wrighti minimus, Pyrgulopsis wrighti minimus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
wrighti obesus, Pyrgulopsis wrighti obesus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
wrighti oblongus, Pyrgulopsis wrighti oblongus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
wrighti plicosus, Pyrgulopsis wrighti plicosus Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
wrighti transitans, Pyrgulopsis wrighti transitans Ancey, 1888 - syn of: Pyrgophorus coronatus (Pfeiffer, 1840)
wuestianum, Bythiospeum wuestianum (Uhl, 1938)
wyomingensis, Trochispira wyomingensis Yen, 1954 † (FOSSIL)
xhuxhi, Iglica xhuxhi Reischütz, Reischütz & Reischütz, 2014
yankovi, Balkanica yankovi Georgiev, 2011
yunnanensis, Akiyoshia yunnanensis (Liu, Wang & Zhang, 1982)
yunnanensis, Saganoa yunnanensis Liu, Wang & Zhang, 1982 - syn of: Akiyoshia yunnanensis (Liu, Wang & Zhang, 1982)
yunusi, Sulawesidrobia yunusi Zielske, Glaubrecht & Haase, 2011
yurkynensis, Kerchia yurkynensis Bandel, 2010 † (FOSSIL)
zagoraensis, Belgrandiella zagoraensis Glöer & Georgiev, 2009
zagrosensis, Intermaria zagrosensis (Glöer & Pešic, 2009)
zagrosensis, Pseudamnicola zagrosensis Glöer & Pešic, 2009 - syn of: Intermaria zagrosensis (Glöer & Pešic, 2009)
zalaensis, Micromelania zalaensis Strausz, 1940 † (FOSSIL)
zaschevi, Cavernisa zaschevi (Angelov, 1959)
zeehanensis, Beddomeia zeehanensis Ponder & Clark, 1993
zeidleri, Austropyrgus zeidleri Clark, Miller & Ponder, 2003
zeidleri, Wolfgangia zeidleri Ponder, Hershler & Jenkins, 1989
zeidlerorum, Jardinella zeidlerorum Ponder & Clark, 1990
zermanica, Belgrandiella zermanica Radoman, 1973
zermanica, Islamia zermanica Radoman, 1973
zetadidyma, Plagigeyeria zetaprotogona zetadidyma Schütt
zetaevallis, Vinodolia zetaevallis (Radoman, 1973)
zetaprotogona, Plagigeyeria zetaprotogona Schütt, 1960
zetaprotogona pageti, Plagigeyeria zetaprotogona pageti Schütt, 1961
zetaprotogona vitoja, Plagigeyeria zetaprotogona vitoja Reischütz & Reischütz, 2008
zetaprotogona zetadidyma, Plagigeyeria zetaprotogona zetadidyma Schütt, 1960
zetaprotogona zetatridyma, Plagigeyeria zetaprotogona zetatridyma Schütt, 1960
zetatridyma, Plagigeyeria zetaprotogona zetatridyma Schütt
zilchi, Pyrgorientalia zilchi (Schütt, 1964)
zilchi, Nematurella zilchi Schlickum, 1960 † (FOSSIL)
zilchi, Belgrandia zilchi Settepassi, 1965
zinnigasensis, Mercuria zinnigasensis Paulucci, 1882 - syn of: Mercuria zopissa (Paulucci, 1882)
zitteli, Micromelania zitteli (Schwartz von Mohrenstern, 1864) † (FOSSIL)
zitteli, Prososthenia zitteli Lörenthey, 1902 † (FOSSIL)
zlatae, Belgrandia zlatae Esu & Girotti, 2016 † (FOSSIL)
zoebeleini, Nematurella zoebeleini Schlickum, 1960 † (FOSSIL)
zollerianum, Bythiospeum zollerianum (Geyer, 1905)
zonata, Pseudamnicola zonata (Eichwald, 1853) † (FOSSIL)
zopissa, Mercuria zopissa (Paulucci, 1882)
zrmanjae, Tanousia zrmanjae (Brusina, 1866)
zujovici, Prososthenia zujovici Brusina, 1902 † (FOSSIL)
zuschini, Nematurella zuschini Harzhauser & al., 2012 † (FOSSIL)
zuschini, Nematurella zuschini Neubauer & Harzhauser, 2012 † (FOSSIL)
zuzorici, Nematurella zuzorici Brusina, 1902 † (FOSSIL)
zwanzigeri, Bythiospeum zwanzigeri (Hässlein, 1942)
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