- detavorai, Ellatrivia detavorai D. Fehse & J. Grego, 2010 - (TRIVIIDAE)
- detecta, Clavatula detecta (C. des Moulins, 1842 †) - (CLAVATULIDAE) (FOSSIL)
- detecta, Drillia detecta (W.H. Dall, 1881) - (DRILLIIDAE)
- detecta, Harmogenanina detecta (A.E.J. Férussac, 1827) - (HELICARIONIDAE)
- detecta, Pleurotoma detecta W.H. Dall, 1881 - syn of: Pleurotomella circumvoluta (R.B. Watson, 1881) - (TURRIDAE)
- detectabilis, Chondrothyra detectabilis (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- detectabilis almiqui, Chondrothyra detectabilis almiqui M.I. Sánchez Roig, 1951 - (POMATIIDAE)
- detectabilis amabilis, Chondrothyra detectabilis amabilis (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- detectabilis bellamaria, Chondrothyra detectabilis bellamaria (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- detectabilis palmaris, Chondrothyra detectabilis palmaris (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- detectum, Opisthosiphon detectum C. de la Torre & J. Henderson, 1920 - (POMATIIDAE)
- detectum lucasense, Opisthosiphon detectum lucasense C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- detectum murinum, Opisthosiphon detectum murinum C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- detectum scopulorum, Opisthosiphon detectum scopulorum C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- detectus, Unio detectus L.S. Frierson, 1911 - syn of: Plethobasus cicatricosus (T. Say, 1829) - (UNIONIDAE)
- detegata, Oenopota detegata É.A.A. Locard, 1897 - syn of: Propebela bergensis (H.B.S. Friele, 1886) - (MANGELIIDAE)
- detersa, Cyclotropis detersa J. Perner, 1903 † - syn of: Beraunia detersa (J. Perner, 1903 †) - (ASSIMINEIDAE) (FOSSIL)
- detersa, Mentissa canalifera detersa (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- detersa, Beraunia detersa (J. Perner, 1903 †) - (ORIOSTOMATIDAE) (FOSSIL)
- detexta, Bela detexta (L.M.D. Bellardi, 1877 †) - (MANGELIIDAE) (FOSSIL)
- detianensis, Camaena detianensis Zhou & Lin, 2016 - (CAMAENIDAE)
- detmersiana, Mangelia detmersiana O. Böttger, 1902 † - (MANGELIIDAE) (FOSSIL)
- Detoniceras, Genus Detoniceras Manfrin & Mietto, 1991 † (CERATITIDAE) (FOSSIL)
- detonii, Olcostephanus detonii Rodighiero, 1919 † - (OLCOSTEPHANIDAE) (FOSSIL)
- Detracia, Genus Detracia J.E. Gray in W.H. Turton, 1840 (ELLOBIIDAE)
- detracta, Epitonium detracta M.E.A. de Boury † - (EPITONIIDAE) (FOSSIL)
- detracta, Hydrobia detracta E. Jekelius, 1944 † - (HYDROBIIDAE) (FOSSIL)
- detractum, Fuciniceras costicillatum detractum (A.V.M.D. D'Orbigny, 1900 †) - (HILDOCERATIDAE) (FOSSIL)
- detrita, Cerion detrita L. Pfeiffer, 1854 - (CERIONIDAE)
- detrita, Zebrina detrita (O.F. Müller, 1774) - (ENIDAE)
- detrita, Georissa detrita A.R.J.B. Bavay & J. Germain, 1920 - (HYDROCENIDAE)
- detrita, Codakia detrita G.P. Deshayes, 1857 † - (LUCINIDAE) (FOSSIL)
- detrita, Vaugonia detrita (Terquem & Jourdy, 1871 †) - (MYOPHORELLIDAE) (FOSSIL)
- detrita, Pirenella detrita M.A. Peyrot, 1938 † - (POTAMIDIDAE) (FOSSIL)
- detrita, Rissoina detrita O. Böttger, 1893 - syn of: Rissoina dorbignyi A. Adams, 1851 - (RISSOINIDAE)
- detrita, Pseudarcopagia detrita (Woods 1931) † - (TELLINIDAE) (FOSSIL)
- detrita cilicica, Zebrina detrita cilicica W. Kobelt, 1901 - (ENIDAE)
- detrita sallake, Zebrina detrita sallake Z. Fehér & Z. Eröss, 2009 - (ENIDAE)
- detritus, Bulimus detritus O.F. Müller, 1774 - syn of: Zebrina detrita (O.F. Müller, 1774) - (BULIMULIDAE)
- detritus, Conus detritus K.T. Menke, 1830 - syn of: Virgiconus lividus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- detritus, Helix detritus O.F. Müller, 1774 - syn of: Zebrina detrita (O.F. Müller, 1774) - (HELICIDAE)
- detruncata, Granulina detruncata R. La Perna, B.M. Landau & R. Marquet, 2001 † - (MARGINELLIDAE) (FOSSIL)
- dettermani, Camptonectes dettermani Imlay, 1961 † - (PECTINIDAE) (FOSSIL)
- Dettermanites, Subgenus Normannites (Dettermanites) Imlay, 1962 † (OTOITIDAE) (FOSSIL)
- deturpensis, Nerita ascensionis deturpensis G.J. Vermeij, 1970 - (NERITIDAE)
- detwilleri, Ussurites detwilleri Bucher, 1989 † - (USSURITIDAE) (FOSSIL)
- deubeli, Alopia plumbea deubeli C.A. Westerlund, 1892 - (CLAUSILIIDAE)
- deubeli, Lozekia deubeli (M. von Kimakowicz, 1890) - (HYGROMIIDAE)
- deubeli, Oxychilus deubeli (A.J. Wagner, 1914) - (OXYCHILIDAE)
- deubeli, Odostomia deubeli O. Böttger, 1901 - (PYRAMIDELLIDAE)
- deubeli, Schistophallus deubeli A.J. Wagner, 1914 - syn of: Cellariopsis orientalis (S. Clessin, 1877) - (ZONITIDAE)
- deurganckensis, Capulus deurganckensis R. Marquet & B.M. Landau, 2006 † - (CAPULIDAE) (FOSSIL)
- deurnensis, Acmaea deurnensis M. Glibert, 1957 - (ACMAEIDAE)
- deusseni, Barbatia deusseni Gardner, 1927 † - (ARCIDAE) (FOSSIL)
- deusseni, Caryocorbula deusseni † - (CORBULIDAE) (FOSSIL)
- Deussenia, Genus Deussenia Stephenson, 1941 † (MELONGENIDAE) (FOSSIL)
- deusta, Monilearia deusta R.T. Lowe, 1861 - syn of: Monilearia oleacea (R.J. Shuttleworth, 1852) - (COCHLICELLIDAE)
- devauxi, Gregoryceras devauxi J.J. Bert & Enay, 2004 † - (ASPIDOCERATIDAE) (FOSSIL)
- devecta, Rissoa devecta R. Tate, 1899 - syn of: Merelina gracilis (G.F. Angas, 1877) - (RISSOIDAE)
- deverdensis, Cadulus deverdensis V. Scarabino, 2008 - (GADILIDAE)
- devereuxi, Strophiops devereuxi C.J. Maynard & W.F. Clapp, 1915 - (CERIONIDAE)
- deverianum, Romaniceras deverianum (A.V.M.D. D'Orbigny, 1841 †) - (ACANTHOCERATIDAE) (FOSSIL)
- deverioides, Romaniceras deverioides (de Grossouvre, 1889 †) - (ACANTHOCERATIDAE) (FOSSIL)
- deversa, Gibbula deversa K.O. Milaschewitsch, 1916 - (TROCHIDAE)
- deversus, Trophon deversus É.A.A. Locard, 1897 - syn of: Pagodula cossmanni (É.A.A. Locard, 1897) - (MURICIDAE)
- devestita, Leucosyrinx devestita É.A.A. Locard, 1897 - (PSEUDOMELATOMIDAE)
- devestitum, Leucosyrinx devestitum É.A.A. Locard, 1897 - syn of: Leucosyrinx verrillii (W.H. Dall, 1881) - (PSEUDOMELATOMIDAE)
- devestitum, Pleurotoma devestitum É.A.A. Locard, 1897 - syn of: Leucosyrinx verrillii (W.H. Dall, 1881) - (TURRIDAE)
- Devetakia, Genus Devetakia D.G. Georgiev & P. Glöer, 2011 (HYDROBIIDAE)
- Devetakiola, Genus Devetakiola Georgiev, 2017 (HYDROBIIDAE)
- devetakium, Bythiospeum devetakium D.G. Georgiev & P. Glöer, 2013 - (HYDROBIIDAE)
- devexa, Neptunea despecta devexa (C.W.S. Aurivillius, 1885) - (BUCCINIDAE)
- devexa, Cepolis devexa H.A. Pilsbry, 1933 - (CEPOLIDAE)
- devexa, Apula devexa (A.E. Reuss, 1861 †) - (ELONIDAE) (FOSSIL)
- devexa, Pachystrophia devexa (K.E.I. von Eichwald, 1859 †) - (HOLOPEIDAE) (FOSSIL)
- devexa, Lesueurilla devexa K.E.I. von Eichwald, 1859 † - syn of: Pachystrophia devexa (K.E.I. von Eichwald, 1859 †) - (LESUEURILLIDAE) (FOSSIL)
- devexa, Circumstella devexa (C. Hedley, 1901) - (LIOTIIDAE)
- devexa, Myophorella devexa (K.E.I. von Eichwald, 1871 †) - (MYOPHORELLIDAE) (FOSSIL)
- devexa, Thracia devexa G.O. Sars, 1878 - (THRACIIDAE)
- devexa, Episcynia devexa A.M. Keen, 1946 - (TORNIDAE)
- devexa, Athleta devexa Author unknown † - (VOLUTIDAE) (FOSSIL)
- devexa peominwna, Helix devexa peominwna J.F. Babor, 1897 † - syn of: Apula prominens (J.F. Babor, 1897 †) - (HELICIDAE) (FOSSIL)
- devexa robusta, Apula devexa robusta (E.E. Binder, 2004 †) - (ELONIDAE) (FOSSIL)
- devexistriatus, Clavus devexistriatus R.N. Kilburn, A.E. Fedosov & Y.I. Kantor, 2014 - (DRILLIIDAE)
- devexus, Siphonalia devexus (T.A. Conrad, 1843 †) - (BUCCINIDAE) (FOSSIL)
- devexus, Capulus devexus W.L. May, 1916 - (CAPULIDAE)
- deveyrai, Columbella deveyrai P. Bartsch, 1918 - syn of: Euplica scripta (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- deveyrai, Euplica deveyrai P. Bartsch, 1918 - syn of: Euplica scripta (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- devia, Monilearia devia A. Mousson, 1872 - syn of: Monilearia phalerata (P.B. Webb & S. Berthelot, 1833) - (COCHLICELLIDAE)
- devia, Mangelia devia H.H. Suter, 1908 - syn of: Comptella devia (H.H. Suter, 1908) - (MANGELIIDAE)
- devia, Comptella devia (H.H. Suter, 1908) - (MURICIDAE)
- devia, Cryptomastix devia (A.A. Gould, 1846) - (POLYGYRIDAE)
- devians, Bostryx devians W.L.H. Dohrn, 1863 - (BULIMULIDAE)
- devians, Monetaria devians G.R. Sulliotti, 1924 - syn of: Monetaria obvelata (J.B.P.A. Lamarck, 1810) - (CYPRAEIDAE)
- devians, Curveulima devians (T.A. de M. Monterosato, 1884) - (EULIMIDAE)
- devians, Armiger devians C. Porro, 1838 - syn of: Gyraulus crista (C. Linnaeus, 1758) - (PLANORBIDAE)
- devians, Cabrieroceras devians Chlupac & Turek, 1983 † - (WERNEROCERATIDAE) (FOSSIL)
- devians euphratica, Planorbis devians euphratica A. Mousson, 1874 - syn of: Gyraulus acronicus (A.E.J. Férussac, 1807) - (PLANORBIDAE)
- deviata, Chondrothyretes gundlachi deviata (C. de la Torre & P. Bartsch, 1938) - (POMATIIDAE)
- deviatum, Opisthosiphon deviatum C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- deviatus, Unio deviatus L.A. Reeve, 1864 - syn of: Dysnomia turgidula I. Lea, 1858 - (UNIONIDAE)
- Deviginella, syn of: Genus Mesoginella C.F. Laseron, 1957 (MARGINELLIDAE)
- devii, Heteroceras devii Rouchadze, 1933 † - (HETEROCERATIDAE) (FOSSIL)
- devilis, Paludinella devilis (A.A. Gould, 1861) - (ASSIMINEIDAE)
- devillei, Bostryx devillei L. Deville & L.H. Hupé, 1850 - (BULIMULIDAE)
- devincta, Anadara devincta (T.A. Conrad, 1849 †) - (ARCIDAE) (FOSSIL)
- devinctus, Duplipecten devinctus (H.H. Suter, 1917 †) - (PECTINIDAE) (FOSSIL)
- devingtalae, Plagiostomoceras devingtalae P.A. Zhuravleva, 1978 † - (SPHAERORTHOCERATIDAE) (FOSSIL)
- devisensis, Hoplites benettianus devisensis Spath, 1925 † - (HOPLITIDAE) (FOSSIL)
- devispira, Arribazona devispira Mazaev, 2003 † - (MURCHISONIIDAE) (FOSSIL)
- devistoma, Eulima devistoma P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- devium, Reticuloceras devium Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- devium, Pisidium devium H.B. Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- devjatilovae, Mytilus devjatilovae V.N. Sinelnikova, 1997 - (MYTILIDAE)
- devjatilovae, Saccella devjatilovae V.N. Sinelnikova, 1997 † - (NUCULANIDAE) (FOSSIL)
- devjatilovae, Leionucula devjatilovae A.I. Kafanov, 2001 † - (NUCULIDAE) (FOSSIL)
- devjatilovae, Liostrea devjatilovae V.N. Sinelnikova, 1997 † - (OSTREIDAE) (FOSSIL)
- devjatilovae, Periploma devjatilovae V.N. Sinelnikova, 1997 † - syn of: Periploma totschiloensis Devjatilova & Volobueva, 1981 † - (PERIPLOMATIDAE) (FOSSIL)
- devjatkini, Gastrocopta devjatkini Prysjazhnjuk in Prysjazhnjuk & al., 1975 † - (GASTROCOPTIDAE) (FOSSIL)
- devjatovense, Liroceras devjatovense Shimanskiy, 1967 † - (LIROCERATIDAE) (FOSSIL)
- devogelii, Opisthostoma devogelii J.J. Vermeulen, 1991 - (DIPLOMMATINIDAE)
- devoizei, Iotyrris devoizei Y.I. Kantor, N. Puillandre, B.M. Olivera & P. Bouchet, 2008 - (TURRIDAE)
- devolia, Parvedentulina devolia K.C. Emberton, 2002 - (STREPTAXIDAE)
- devonense, Watinoceras devonense Wright & J. Kennedy, 1981 † - (ACANTHOCERATIDAE) (FOSSIL)
- devonense, Tarrantoceras devonense Cobban, 1988 † - syn of: Watinoceras devonense Wright & J. Kennedy, 1981 † - (ACANTHOCERATIDAE) (FOSSIL)
- devonense, Protacanthoceras tuberculatum devonense Wright & J. Kennedy, 1980 † - (ACANTHOCERATIDAE) (FOSSIL)
- devonense, Deiradoceras devonense (Spath, 1933 †) - (BRANCOCERATIDAE) (FOSSIL)
- Devonia, Genus Devonia R. Winckworth, 1930 (MONTACUTIDAE)
- devoniana, Euphemites devoniana Radabaugh, 1942 † - (EUPHEMITIDAE) (FOSSIL)
- devonica, Gosseletia devonica Barrois, 1882 † - (AMBONYCHIIDAE) (FOSSIL)
- devonica, Bucania devonica J.W. Hall & R.P. Whitfield, 1872 † - syn of: Retispira devonica (J.W. Hall & R.P. Whitfield, 1872 †) - (BUCANIIDAE) (FOSSIL)
- devonica, Tellinopsis devonica Reed † - (CTENODONTIDAE) (FOSSIL)
- devonica, Liospira devonica Tolmachoff, 1930 † - syn of: Stenoloron devonica (Tolmachoff, 1930 †) - (EOTOMARIIDAE) (FOSSIL)
- devonica, Stenoloron devonica (Tolmachoff, 1930 †) - (GOSSELETINIDAE) (FOSSIL)
- devonica, Retispira devonica (J.W. Hall & R.P. Whitfield, 1872 †) - (KNIGHTITIDAE) (FOSSIL)
- devonica, Lepetopsis devonica Tolmachoff, 1930 † - syn of: Calloconus devonica (Tolmachoff, 1930 †) - (LEPETOPSIDAE) (FOSSIL)
- devonica, Littorina devonica Whidborne, 1889 † - syn of: Spiranodus devonica (Whidborne, 1889 †) - (LITTORINIDAE) (FOSSIL)
- devonica, Calloconus devonica (Tolmachoff, 1930 †) - (METOPTOMATIDAE) (FOSSIL)
- devonica, Spiranodus devonica (Whidborne, 1889 †) - (PLATYCERATIDAE) (FOSSIL)
- devonica, Paleyoldia devonica Bradshaw 1999 † - (SAREPTIDAE) (FOSSIL)
- devonicans, Paracleistoceras devonicans (Barrande, 1865 †) - (ACLEISTOCERATIDAE) (FOSSIL)
- devonicans, Paracleistoceras devonicans (Barrande †) - (ACLEISTOCERATIDAE) (FOSSIL)
- devonicans, Actinoceras devonicans Whidborne, 1890 † - (ACTINOCERATIDAE) (FOSSIL)
- devonicans, Hyperstrophema devonicans Horný, 1964 † - (ONYCHOCHILIDAE) (FOSSIL)
- devonicans, Palaeozygopleura devonicans (J. Perner, 1903 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- devonicans, Phragmoceras devonicans Barrande, 1865 † - syn of: Paracleistoceras devonicans (Barrande, 1865 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- devonicans, Zygopleura devonicans J. Perner, 1903 † - syn of: Palaeozygopleura devonicans (J. Perner, 1903 †) - (ZYGOPLEURIDAE) (FOSSIL)
- Devonicornu, Genus Devonicornu Frýda, 1998 † (EUOMPHALIDAE) (FOSSIL)
- devonoaltus, Straparollus devonoaltus Heidelberger & K. Bandel, 1999 † - (EUOMPHALIDAE) (FOSSIL)
- Devonobactrites, Genus Devonobactrites Shimanskiy , 1962 † (BACTRITIDAE) (FOSSIL)
- Devonocerithioides, Genus Devonocerithioides Heidelberger, 2001 † (MURCHISONIIDAE) (FOSSIL)
- Devonocheilus, Genus Devonocheilus Shimanskiy, 1962 † (ARCHIACOCERATIDAE) (FOSSIL)
- Devonoconica, Genus Devonoconica Heidelberger, 2001 † (PSEUDOPHORIDAE) (FOSSIL)
- Devononema, Genus Devononema Fraunfelter, 1973 † (PLATYCERATIDAE) (FOSSIL)
- Devononerita, Genus Devononerita Blodgett & Frýda, 1999 † (NERITOPSIDAE) (FOSSIL)
- Devonopronorites, Genus Devonopronorites Bogoslovsky , 1954 † (DEVONOPRONORITIDAE) (FOSSIL)
- DEVONOPRONORITIDAE Bogoslovsky, 1958 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AGONIATITIDA [Order]-GEPHUROCERATOIDEA [Superfamily]) (FOSSIL)
- Devonorhineoderma, Genus Devonorhineoderma Heidelberger , 2001 † (GOSSELETINIDAE) (FOSSIL)
- Devonozyga, Genus Devonozyga Horný, 1955 † (PALAEOZYGOPLEURIDAE) (FOSSIL)
- devorsinei, Tesselliconus devorsinei (E.J. Petuch, D.P. Berschauer & Poremski, 2015) - (CONIDAE)
- devota, Emarginula devota K.H.J. Thiele, 1915 - (FISSURELLIDAE)
- devotum, Malluvium devotum (C. Hedley, 1904) - (HIPPONICIDAE)
- devotus, Capulus devotus C. Hedley, 1904 - (CAPULIDAE)
- devrekensis, Monacha devrekensis B. Hausdorf, 2000 - (HYGROMIIDAE)
- devyanae, Polygona devyanae (E. de C. Rios, P.M.S. Costa & I.S. Calvo, 1994) - (FASCIOLARIIDAE)
- dewalquei, Nuculana dewalquei Terquem & L.É.S. Piette, 1868 † - (NUCULANIDAE) (FOSSIL)
- dewalquei, Hippochrenes dewalquei G.P. Deshayes, 1865 † - (ROSTELLARIIDAE) (FOSSIL)
- deweti, Alvania deweti K.H.J. Thiele, 1925 - syn of: Alvania deneti (K.H.J. Thiele, 1925) - (RISSOIDAE)
- Deweveria, Genus Deweveria Guex & al., 2005 † (HEMILECANITIDAE) (FOSSIL)
- dewinteri, Menkia dewinteri E. Gittenberger, 1991 - (ACICULIDAE)
- dewinteri, Deroceras dewinteri W.J.M. Maassen, 2000 - (AGRIOLIMACIDAE)
- dewinteri, Gibbulinella dewinteri R.A. Bank, K. Groh & T.E.J. Ripken, 2002 - (STREPTAXIDAE)
- dewittei, Achatina dewittei J.C. Bequaert & W.J. Clench, 1934 - (ACHATINIDAE)
- dewulfi, Pila wernei dewulfi J.C. Bequaert & W.J. Clench, 1933 - (AMPULLARIIDAE)
- dexia, Trituba dexia (J.C. Verco, 1909) - (NEWTONIELLIDAE)
- dexia, Triphora dexia J.C. Verco, 1909 - syn of: Trituba dexia (J.C. Verco, 1909) - (TRIPHORIDAE)
- Dexiobia, Genus Dexiobia Winchell, 1863 † (ANTIPLEURIDAE) (FOSSIL)
- Dexiobranchaea, syn of: Genus Pneumodermopsis H.G. Bronn in H.G. Bronn & W.M. Keferstein, 1862 (PNEUMODERMATIDAE)
- Dexiogira, syn of: Genus Vertigo O.F. Müller, 1774 (VERTIGINIDAE)
- Dexiogyra, syn of: Genus Vertigo O.F. Müller, 1774 (VERTIGINIDAE)
- dexioptera, Macoma dexioptera R. Baxter, 1977 - (TELLINIDAE)
- dexius, Pyrulofusus dexius (W.H. Dall, 1907) - (BUCCINIDAE)
- dexius japonicus, Pyrulofusus dexius japonicus T. Habe, K. Itô & Tanji, 1980 - (BUCCINIDAE)
- dexteri, Moitessieria dexteri J. Corbella, G. Guillén, L. Prats & al., 2012 - (MOITESSIERIIDAE)
- dextra, Holopella dextra J. Perner, 1903 † - (LOXONEMATIDAE) (FOSSIL)
- dextra, Exesilla dextra (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- dextrata, Amphiscapha dextrata E.L. Yochelson, 1956 † - (EUOMPHALIDAE) (FOSSIL)
- Dextroformosana, syn of: Subgenus Oospira (Formosana) O. Böttger, 1877 (CLAUSILIIDAE)
- dextrogyra, Formosana dextrogyra (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (CLAUSILIIDAE)
- dextrogyra, Clausilia dextrogyra A.R.J.B. Bavay & P. Dautzenberg, 1909 - syn of: Formosana dextrogyra (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (CLAUSILIIDAE)
- dextrogyra, Albinaria violacea dextrogyra M. Schilthuizen & E. Gittenberger, 1990 - (CLAUSILIIDAE)
- dextromira, Leucostigma candidescens dextromira H. Nordsieck, 2011 - (CLAUSILIIDAE)
- dextrorsa, Sericata dextrorsa (O. Böttger, 1877) - (CLAUSILIIDAE)
- dextrorsa, Jaminia dextrorsa P.V. Gredler, 1877 - syn of: Jaminia quadridens (O.F. Müller, 1774) - (ENIDAE)
- dextrorsa, Chersaecia dextrorsa (W.H. Benson, 1860) - (PLECTOPYLIDAE)
- dextrorsa, Gulella dextrorsa (H.C. Burnup, 1925) - (STREPTAXIDAE)
- dextroversa, Achatinella sowerbyana dextroversa H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- dextroversa, Seila dextroversa (A. Adams & L.A. Reeve, 1850) - (CERITHIOPSIDAE)
- dextroversa, Incaglaia dextroversa (H.A. Pilsbry, 1949) - (CLAUSILIIDAE)
- dextroversa, Triphoris dextroversa A. Adams & L.A. Reeve, 1850 - syn of: Seila dextroversa (A. Adams & L.A. Reeve, 1850) - (TRIPHORIDAE)
- dextroversum, Caecum dextroversum P.P. Carpenter, 1857 - (CAECIDAE)
- deydieri, Belgrandia deydieri (Depéret & G. Sayn, 1901 †) - (HYDROBIIDAE) (FOSSIL)
- deynzerae, Americoliva deynzerae (E.J. Petuch & D.M. Sargent, 1986) - (OLIVIDAE)
- deynzeri, Merica deynzeri R.E. Petit & M.G. Harasewych, 2000 - (CANCELLARIIDAE)
- deynzeri, Dentifusus deynzeri G.J. Vermeij & G. Rosenberg, 2003 - (FASCIOLARIIDAE)
- deynzeri, Latirus deynzeri E.F. Garcia, 2001 - (FASCIOLARIIDAE)
- deynzeri, Mitra deynzeri W.O. Cernohorsky, 1980 - (MITRIDAE)
- deynzeri, Favartia deynzeri R. Houart, 1998 - (MURICIDAE)
- deynzerorum, Purpuriconus deynzerorum (E.J. Petuch, 1995) - (CONIDAE)
- deynzerorum, Latirus deynzerorum W.K. Emerson & W.E. Sage, 1990 - (FASCIOLARIIDAE)
- deynzerorum, Favartia deynzerorum (E.J. Petuch, 2013) - (MURICIDAE)
- deynzerorum, Murexiella deynzerorum E.J. Petuch, 2013 - syn of: Favartia deynzerorum (E.J. Petuch, 2013) - (MURICIDAE)
- deynzerorum, Veprichlamys deynzerorum H.H. Dijkstra, 2004 - (PECTINIDAE)
- deynzerorum, Duplicaria deynzerorum J.E. Sprague, 2004 - syn of: Duplicaria raphanula (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- deyrollei, Anadara deyrollei (L.A. Reeve, 1843) - (ARCIDAE)
- deyrollei, Anadara deyrollei F.P. Jousseaume, 1893 - syn of: Anadara indica (J.F. Gmelin, 1791) - (ARCIDAE)
- deyrollei, Scapharca deyrollei F.P. Jousseaume, 1893 - syn of: Anadara indica (J.F. Gmelin, 1791) - (ARCIDAE)
- deyrollei, Nenia deyrollei C.M.F. Ancey, 1895 - syn of: Columbinia perezi (F.P. Jousseaume, 1887) - (CLAUSILIIDAE)
- dezmanianus, Viviparus dezmanianus Š. Brusina, 1874 † - (VIVIPARIDAE) (FOSSIL)
- dezmanianus turbureensis, Viviparus dezmanianus turbureensis C.F. Fontannes, 1887 † - (VIVIPARIDAE) (FOSSIL)
- dezzoana, Omphaloptycha dezzoana E.A.L. Kittl, 1899 † - (COELOSTYLINIDAE) (FOSSIL)
- dhanushori, Trapezoideus dhanushori B. Prashad, 1921 - syn of: Trapezoideus exolescens (A.A. Gould, 1843) - (UNIONIDAE)
- dharma, Cingula dharma (M. Yokoyama, 1926) - (RISSOIDAE)
- dharmai, Orania dharmai R. Houart, 1995 - (MURICIDAE)
- dharmai, Chicoreus dharmai R. Houart, 2015 - (MURICIDAE)
- dhaulagirica, Landouria dhaulagirica A.A. Schileyko & A.G. Kuznetsov, 1998 - (CAMAENIDAE)
- dhaulagirica, Montiphaedusa martensiana dhaulagirica (H. Nordsieck, 1973) - (CLAUSILIIDAE)
- dheeradiloki, Besla dheeradiloki E. Robba, S.I. Di Geronimo, N. Chaimanee & al., 2004 - (PYRAMIDELLIDAE)
- dhericourtiana, Limicolaria dhericourtiana J.R. Bourguignat, 1885 - (ACHATINIDAE)
- dhofarense, Georgia dhofarense (J.C. Melvill & J.H. Ponsonby, 1896) - (POMATIIDAE)
- dhofarense consomile, Georgia dhofarense consomile (J.C. Melvill & J.H. Ponsonby, 1896) - (POMATIIDAE)
- dhofarensis, Trochita dhofarensis J.D. Taylor & K.R. Smythe, 1985 - (CALYPTRAEIDAE)
- dhofarensis, Volvarina dhofarensis F. Boyer, 2015 - (MARGINELLIDAE)
- dhofarensis, Favartia dhofarensis R. Houart, S. Gori & J. Rosado, 2015 - (MURICIDAE)
- Dhondtichlamys, Genus Dhondtichlamys Waller , 2001 † (PECTINIDAE) (FOSSIL)
- dhorai, Virpazaria dhorai A. Reischütz, N. Reischütz & P.L. Reischütz, 2010 - (SPELAEODISCIDAE)
- dhorni, Carychiopsis dhorni (Deshayes, 1863) † - (ELLOBIIDAE) (FOSSIL)
- dhosaensis, Bathrotomaria dhosaensis Das & al., 2005 † - (PLEUROTOMARIIDAE) (FOSSIL)
- dhosaensis, Trigonia dhosaensis Kitchin, 1903 † - (TRIGONIIDAE) (FOSSIL)
- Dhosaites, Genus Dhosaites Spath, 1924 † (MAYAITIDAE) (FOSSIL)
- dhrumaense, Metacenoceras dhrumaense Tinant, 1987 † - (CENOCERATIDAE) (FOSSIL)
- Dhrumaites, Genus Dhrumaites Arkell, 1952 † (CLYDONICERATIDAE) (FOSSIL)
- dhuma, Paludomus dhuma Surya Rao, 1925 - (PALUDOMIDAE)
- diabasis, Satsuma albida diabasis A. Adams, 1870 - (CAMAENIDAE)
- diabasis, Herilla illyrica diabasis (A.J. Wagner, 1919) - (CLAUSILIIDAE)
- diabetensis, Melanopsis diabetensis P.M. Pallary, 1915 - (MELANOPSIDAE)
- diablensis, Cerion diablensis H.B. Baker, 1924 - (CERIONIDAE)
- diablensis, Pyrgulopsis diablensis R. Hershler, 1995 - (HYDROBIIDAE)
- diablo, Glabrocingulum diablo Batten, 1989 † - (GOSSELETINIDAE) (FOSSIL)
- diabloense, Eucalycoceras diabloense Anderson, 1958 † - (ACANTHOCERATIDAE) (FOSSIL)
- diabloensis, Bucanopsis diabloensis Wahlman, 1992 † - (BELLEROPHONTIDAE) (FOSSIL)
- diabloensis, Helminthoglypta diabloensis (J.G. Cooper, 1869) - (HELMINTHOGLYPTIDAE)
- diabola, Neoleymeriella diabola T.L. Casey, 1957 † - (LEYMERIELLIDAE) (FOSSIL)
- diaboli, Enigmoceras diaboli Hook & Flower, 1977 † - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- diaboli, Tryonia diaboli H.A. Pilsbry & J.H. Ferriss, 1906 - (COCHLIOPIDAE)
- diaboli, Corbula diaboli Clark & Woodford, 1927 † - (CORBULIDAE) (FOSSIL)
- diaboli, Lucina diaboli (R.E. Dickerson, 1914 †) - (LUCINIDAE) (FOSSIL)
- diaboli, Semele diaboli R.E. Dickerson, 1915 † - (SEMELIDAE) (FOSSIL)
- diabolica, Huxleyia diabolica (F.P. Jousseaume, 1897) - (NUCINELLIDAE)
- Diabolica, syn of: Genus Huxleyia A. Adams, 1860 (NUCINELLIDAE)
- Diabolica, syn of: Genus Huxleyia A. Adams, 1860 (NUCINELLIDAE)
- diabolina, Papillifera solida diabolina H. Nordsieck, 2013 - (CLAUSILIIDAE)
- Diaboloceras, Genus Diaboloceras Miller & Furnish, 1940 † (SCHISTOCERATIDAE) (FOSSIL)
- diabula, Oenopota diabula R.M.A. Figueira & R.S. Absalão, 2010 - (MANGELIIDAE)
- diacanthina, Batillaria diacanthina A.E.M. Cossmann, 1899 † - (BATILLARIIDAE) (FOSSIL)
- Diacavolinia, Genus Diacavolinia S. Van Der Spoel, 1987 (CAVOLINIIDAE)
- Diacerion, Subgenus Cerion (Diacerion) W.H. Dall, 1894 (CERIONIDAE)
- Diacolax, Genus Diacolax G. Mandahl-Barth, 1946 (EULIMIDAE)
- diaconalis, Dentiphaedusa spinula diaconalis (P.M. Heude, 1889) - (CLAUSILIIDAE)
- diaconalis, Vexillum diaconalis (J.C. Melvill & R. Standen, 1903) - (COSTELLARIIDAE)
- diacoptyx, Thaumatoptyx diacoptyx (H.A. Pilsbry, 1908) - (CLAUSILIIDAE)
- diacoptyx hassenensis, Thaumatoptyx diacoptyx hassenensis J.T. Kuroda, 1941 - syn of: Thaumatoptyx hassenensis (J.T. Kuroda, 1941) - (CLAUSILIIDAE)
- Diacria, Genus Diacria J.E. Gray, 1842 (CAVOLINIIDAE)
- diacritus, Guraleus diacritus B.C. Cotton, 1947 - (MANGELIIDAE)
- Diacrolinia, Genus Diacrolinia Janssen, 1995 † (CAVOLINIIDAE) (FOSSIL)
- diadela, Pyruclia diadela W.P. Woodring, 1970 † - syn of: Pyruclia scheibei (F.M. Anderson, 1929 †) - (CANCELLARIIDAE) (FOSSIL)
- Diadelochiton, Genus Diadelochiton Hoare , 2002 † (HELMINTHOCHITONIDAE) (FOSSIL)
- Diadeloplax, Genus Diadeloplax Hoare & Mapes, 1995 † (STROBILEPIDAE) (FOSSIL)
- diadema, Syama diadema (W.H. Dall, 1897) - (ARIOPHANTIDAE)
- diadema, Buccinum diadema G.B. Brocchi, 1814 - syn of: Galeodea echinophora (C. Linnaeus, 1758) - (BUCCINIDAE)
- diadema, Thysanodonta diadema C. Vilvens & P. Maestrati, 2006 - (CALLIOSTOMATIDAE)
- diadema, Unitas diadema (A. Watelet, 1853 †) - (CANCELLARIIDAE) (FOSSIL)
- diadema, Galeodea diadema (G.P. Deshayes, 1865 †) - (CASSIDAE) (FOSSIL)
- diadema, Galeodea diadema G.B. Brocchi, 1814 - syn of: Galeodea echinophora (C. Linnaeus, 1758) - (CASSIDAE)
- diadema, Cassis diadema J.L.M. Defrance, 1817 † - syn of: Semicassis grateloupi (G.P. Deshayes, 1850 †) - (CASSIDAE) (FOSSIL)
- diadema, Semicassis grateloupi diadema (J.P.S. Grateloup, 1833) - (CASSIDAE)
- diadema, Rhinoclavis diadema R.S. Houbrick, 1978 - (CERITHIIDAE)
- diadema, Cerithiopsis diadema T.A. de M. Monterosato, 1874 - (CERITHIOPSIDAE)
- diadema, Clavatula diadema (L.C. Kiener, 1840) - (CLAVATULIDAE)
- diadema, Lividoconus diadema (G.B. I Sowerby, 1834) - (CONIDAE)
- diadema, Conus diadema Edwards, 1856 † - (CONIDAE) (FOSSIL)
- diadema, Gibberula diadema M. Pin & F. Boyer, 1995 - (CYSTISCIDAE)
- diadema, Enoploteuthis diadema C. Chun, 1900 - syn of: Lycoteuthis lorigera (J.J.S. Steenstrup, 1875) - (ENOPLOTEUTHIDAE)
- diadema, Opalia diadema (G.B. I Sowerby, 1832) - (EPITONIIDAE)
- diadema, Epitonium diadema G.B. I Sowerby, 1832 - syn of: Opalia diadema (G.B. I Sowerby, 1832) - (EPITONIIDAE)
- diadema, Opalia diadema P.P. Carpenter, 1857 - syn of: Opalia funiculata (P.P. Carpenter, 1857) - (EPITONIIDAE)
- diadema, Fusus diadema G.B. II Sowerby, 1880 - syn of: Columbarium pagoda (R.P. Lesson, 1831) - (FASCIOLARIIDAE)
- diadema, Goniatites diadema G.A. Goldfuss, 1837 † - (GONIATITIDAE) (FOSSIL)
- diadema, Helicodiscus diadema F.W. Grimm, 1967 - (HELICODISCIDAE)
- diadema, Lycoteuthis diadema C. Chun, 1900 - syn of: Lycoteuthis lorigera (J.J.S. Steenstrup, 1875) - (LYCOTEUTHIDAE)
- diadema, Cryoturris diadema W.P. Woodring, 1928 - syn of: Cryoturris dianema W.P. Woodring, 1928 - (MANGELIIDAE)
- diadema, Melanopsis sesteri diadema J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- diadema, Mitra diadema W.J. Swainson, 1822 - syn of: Tiarella puncticulata (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- diadema, Babelomurex diadema (A. Adams, 1854) - (MURICIDAE)
- diadema, Purpura diadema L.A. Reeve, 1846 - syn of: Indothais sacellum (J.F. Gmelin, 1791) - (MURICIDAE)
- diadema, Muricopsis diadema A. Aradas & L. Benoit, 1876 - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- diadema, Clithon diadema (W.J. Broderip, 1832) - (NERITIDAE)
- diadema, Dentiovula diadema C.N. Cate, 1978 - syn of: Dentiovula colobica (M. Azuma & C.N. Cate, 1971) - (OVULIDAE)
- diadema, Abbottella diadema G.T. Watters, 2013 - (POMATIIDAE)
- diadema, Miralda diadema (A. Adams, 1860) - (PYRAMIDELLIDAE)
- diadema, Euparthenia diadema A. Adams, 1860 - syn of: Miralda diadema (A. Adams, 1860) - (PYRAMIDELLIDAE)
- diadema, Alvania diadema C. De Stefani & D. Pantanelli, 1888 † - (RISSOIDAE) (FOSSIL)
- diadema, Bathymophila diadema (B.A. Marshall, 1999) - (SOLARIELLIDAE)
- diadema, Metaxia diadema P. Bartsch, 1907 - (TRIPHORIDAE)
- diadema, Columbarium diadema G.B. II Sowerby, 1880 - syn of: Columbarium pagoda (R.P. Lesson, 1831) - (TURBINELLIDAE)
- diadema, Coptosipho diadema Renard, 1989 † - (TURRIDAE) (FOSSIL)
- diadema, Melo diadema J.B.P.A. Lamarck, 1811 - syn of: Melo amphora (J. Lightfoot, 1786) - (VOLUTIDAE)
- diadema elongatus, Muricopsis diadema elongatus F. Settepassi, 1977 - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- diadema funiculata, Opalia diadema funiculata P.P. Carpenter, 1857 - syn of: Opalia funiculata (P.P. Carpenter, 1857) - (EPITONIIDAE)
- diadema horridus, Muricopsis diadema horridus F. Settepassi, 1977 - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- diadema muticus, Muricopsis diadema muticus F. Settepassi, 1977 ex T.A. de M. Monterosato MS - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- diadema robustus, Muricopsis diadema robustus F. Settepassi, 1977 - syn of: Murexsul aradasii (T.A. de M. Monterosato in N.J. Poirier, 1883) - (MURICIDAE)
- diademaeformis, Miralda diademaeformis (S. Nomura, 1938) - (PYRAMIDELLIDAE)
- diademata, Benthastelena diademata (B.A. Marshall, 1995) - (CALLIOSTOMATIDAE)
- diademata, Cerithiopsis diademata É.A.A. Locard, 1886 - syn of: Cerithiopsis diadema T.A. de M. Monterosato, 1874 - (CERITHIOPSIDAE)
- diademata, Sclerodoris diademata A.E.R. Agassiz, 1850 - syn of: Sclerodoris tuberculata C.N.E. Eliot, 1904 - (DISCODORIDIDAE)
- diademata, Onchidoris diademata (A.A. Gould, 1870) - (ONCHIDORIDIDAE)
- diademata, Pyramidella diademata C.J. Maury, 1917 - syn of: Longchaeus suturalis (H.C. Lea, 1843) - (PYRAMIDELLIDAE)
- diadematoides, Hammatoceras diadematoides (C. Mayer, 1871 †) - (HAMMATOCERATIDAE) (FOSSIL)
- diadematoides, Accardia diadematoides C. Mayer, 1871 † - syn of: Hammatoceras diadematoides (C. Mayer, 1871 †) - (HAMMATOCERATIDAE) (FOSSIL)
- diadematus, Hadroconus diadematus B.A. Marshall, 1988 - (SEGUENZIIDAE)
- Diademoceras, Genus Diademoceras Flower, 1945 † (RUTOCERATIDAE) (FOSSIL)
- Diadochoceras, Genus Diadochoceras Hyatt , 1900 † (PARAHOPLITIDAE) (FOSSIL)
- diadochus, Marginella diadochus A. Adams & L.A. Reeve, 1850 - (MARGINELLIDAE)
- Diadoma, syn of: Genus Albinaria W. von Vest, 1867 (CLAUSILIIDAE)
- Diaerecallus, Genus Diaerecallus Woodring, 1957 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- diagensis, Mitra diagensis W.H. Dall, 1919 - syn of: Mitra idae J.C. Melvill, 1893 - (MITRIDAE)
- diaglypha, Eucithara diaglypha (R.P.J. Hervier, 1897) - (MANGELIIDAE)
- diaglypha, Cithara diaglypha R.P.J. Hervier, 1897 - syn of: Eucithara diaglypha (R.P.J. Hervier, 1897) - (MANGELIIDAE)
- Diaglyptus, syn of: Genus Pitys O.A.L. Mörch, 1852 (ACHATINELLIDAE)
- Diagoceras, Genus Diagoceras Flower, 1936 † (SPYROCERATIDAE) (FOSSIL)
- diagona, Cerithiopsis diagona W.H. Dall, 1916 † - (CERITHIOPSIDAE) (FOSSIL)
- diagonalis, Dermatobranchus diagonalis T.M. Gosliner & S.J. Fahey, 2011 - (ARMINIDAE)
- diagonalis, Tropidomya diagonalis (J.A. Allen & R.E. Morgan, 1981) - (CUSPIDARIIDAE)
- diagonalis, Gongylostomella canteroiana diagonalis (W.J. Clench, 1966) - (UROCOPTIDAE)
- diagonalis, Calyptogena diagonalis P.J. Barry & R.E. Kochevar, 1999 - (VESICOMYIDAE)
- Diagonaulus, Subgenus Didianema (Diagonaulus) H.A. Pilsbry & J.T.L. McGinty, 1945 (SKENEIDAE)
- Diala, Genus Diala A. Adams, 1861 (DIALIDAE)
- Dialembryon, syn of: Genus Bothriembryon H.A. Pilsbry, 1894 (BOTHRIEMBRYONTIDAE)
- Dialessa, syn of: Genus Alaba H. Adams & A. Adams, 1853 (LITIOPIDAE)
- Dialeuca, Genus Dialeuca J.A. Albers, 1850 (CEPOLIDAE)
- dialeucum, Cerithium dialeucum R.A. Philippi, 1849 - (CERITHIIDAE)
- dialeucum kobelti, Cerithium dialeucum kobelti R.W. Dunker, 1877 - syn of: Cerithium kobelti R.W. Dunker, 1877 - (CERITHIIDAE)
- dialeucum suturale, Cerithium dialeucum suturale R.A. Philippi, 1849 - (CERITHIIDAE)
- Dialida, syn of: Genus Diala A. Adams, 1861 (DIALIDAE)
- DIALIDAE Kay, 1979 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-CERITHIOIDEA [Superfamily])
- dialitha, Glyphostoma dialitha (J.C. Melvill & R. Standen, 1896) - (CLATHURELLIDAE)
- dialitha, Mangelia dialitha J.C. Melvill & R. Standen, 1896 - syn of: Glyphostoma dialitha (J.C. Melvill & R. Standen, 1896) - (MANGELIIDAE)
- Diallagites, Genus Diallagites Klug , 2002 † (WERNEROCERATIDAE) (FOSSIL)
- Dialopsis, Genus Dialopsis A.E.M. Cossmann, 1889 (DIALIDAE)
- Dialytostoma, syn of: Genus Macromphalus S.V. Wood, 1842 (VANIKORIDAE)
- diamantensis, Diamanticeras diamantensis (Gerth, 1925 †) - (CRIOCERATITIDAE) (FOSSIL)
- Diamanticeras, Genus Diamanticeras Vermeulen , 2004 † (CRIOCERATITIDAE) (FOSSIL)
- diamantina, Nebularia diamantina C.N. Cate, 1963 - syn of: Nebularia luctuosa A. Adams, 1853 - (MITRIDAE)
- diamantina, Amoria diamantina B.R. Wilson, 1972 - (VOLUTIDAE)
- diamantinum, Trigonostoma diamantinum T.A. Garrard, 1975 - (CANCELLARIIDAE)
- diamantinus, Murexsul diamantinus (R. Houart, 1991) - (MURICIDAE)
- diamesa, Atlanta diamesa W.P. Woodring, 1928 † - (ATLANTIDAE) (FOSSIL)
- diamesa, Vexillum diamesa R.P.J. Hervier, 1897 - syn of: Vexillum corbicula (G.B. II Sowerby, 1870) - (COSTELLARIIDAE)
- diamesa, Costellaria diamesa R.P.J. Hervier, 1898 - syn of: Vexillum corbicula (G.B. II Sowerby, 1870) - (COSTELLARIIDAE)
- diamesa, Mitra diamesa R.P.J. Hervier, 1897 - syn of: Vexillum corbicula (G.B. II Sowerby, 1870) - (MITRIDAE)
- diamesa, Nuculana proteracuta diamesa J. Gardner, 1926 † - (NUCULANIDAE) (FOSSIL)
- diametralis, Valdesia diametralis (A.E.M. Cossmann, 1899 †) - (ARCHITECTONICIDAE) (FOSSIL)
- diametralis, Gibbula diametralis A.E.M. Cossmann, 1899 † - syn of: Valdesia diametralis (A.E.M. Cossmann, 1899 †) - (TROCHIDAE) (FOSSIL)
- Diameza, Subgenus Seraphs (Diameza) G.P. Deshayes, 1865 † (SERAPHSIDAE) (FOSSIL)
- diamura, Moeniatoma diamura C.F. Laseron, 1958 - (TORNIDAE)
- diana, Helicostyla diana W.J. Broderip, 1841 - (BRADYBAENIDAE)
- diana, Luoguella diana Pan & Erwin, 2002 † - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- Diana, syn of: Genus Igorella Rozanov & al., 1969 † (HELCIONELLIDAE) (FOSSIL)
- Diana, syn of: Subgenus Chilopyrgula (Dianella) G.P.L.K. Gude, 1913 (HYDROBIIDAE)
- diana, Promyalina diana H. Guo, 1985 † - (MYALINIDAE) (FOSSIL)
- diana, Scaphites diana Wright, 1979 † - (SCAPHITIDAE) (FOSSIL)
- diana, Dosinia diana A. Adams & G.F. Angas, 1864 - syn of: Dosinia caerulea L.A. Reeve, 1850 - (VENERIDAE)
- diana, Paravitrea diana L.R. Hubricht, 1983 - (ZONITIDAE)
- diana calista, Helicostyla diana calista (W.J. Broderip, 1841) - (BRADYBAENIDAE)
- Dianadema, Genus Dianadema B.S. Morton, 2003 (CLAVAGELLIDAE)
- dianae, Acteon dianae A. Adams, 1855 - syn of: Leucotina casta (A. Adams, 1853) - (ACTEONIDAE)
- dianae, Leucotina dianae (A. Adams, 1854) - (AMATHINIDAE)
- dianae, Chromodoris dianae T.M. Gosliner & D.W. Behrens, 1998 - (CHROMODORIDIDAE)
- dianae, Columbella dianae K.H.J. Thiele, 1925 - syn of: Decipifus consanguineus (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- dianae, Pyrene dianae K.H.J. Thiele, 1925 - syn of: Decipifus consanguineus (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- dianae, Columbites dianae Renz & Renz, 1948 † - syn of: Subcolumbites dusmani (Arthaber, 1911 †) - (COLUMBITIDAE) (FOSSIL)
- dianae, Naticopsis dianae E.A.L. Kittl, 1892 † - (DELPHINULOPSIDAE) (FOSSIL)
- dianae, Sthenorytis dianae (R.B. Hinds, 1844) - (EPITONIIDAE)
- dianae, Epitonium dianae R.B. Hinds, 1844 - syn of: Sthenorytis dianae (R.B. Hinds, 1844) - (EPITONIIDAE)
- dianae, Pseudocampylaea dianae L. Pfeiffer, 1856 - syn of: Pseudohelenoconcha spurca (G.B. Sowerby, 1844) - (HYGROMIIDAE)
- dianae, Limax dianae M. von Kimakowicz, 1884 - syn of: Lehmannia marginata (O.F. Müller, 1774) - (LIMACIDAE)
- dianae, Dentimargo dianae M. Lussi & G. Smith, 1996 - (MARGINELLIDAE)
- dianae, Granulina dianae M. Lussi & G. Smith, 2015 - (MARGINELLIDAE)
- dianae, Semipallium dianae (P.R. Crandall, 1979) - (PECTINIDAE)
- dianae, Rissoella dianae J.A. Ortea & J. Espinosa, 2005 - (RISSOELLIDAE)
- dianae, Turritella subvariabilis dianae L.W. Ward, 1992 † - (TURRITELLIDAE) (FOSSIL)
- dianae, Canarivitrina dianae M. Valido & M.R. Alonso, 2000 - (VITRINIDAE)
- dianaeformis, Melanopsis dianaeformis N.I. Andrusov, 1909 † - (MELANOPSIDAE) (FOSSIL)
- dianana, Daonella dianana H. Guo, 1985 † - (DAONELLIDAE) (FOSSIL)
- dianbaiensis, Crassostrea dianbaiensis J. Xia, X. Wu, Q. Xiao & Z. Yu, 2014 - (OSTREIDAE)
- dianchiensis, Delavaya dianchiensis D.H.S. Davis & H. Guo, 1986 - (POMATIOPSIDAE)
- dianchiensis, Cipangopaludina dianchiensis S.P. Zhang, 1990 - (VIVIPARIDAE)
- Diancta, Genus Diancta E.C. Von Martens, 1867 (DIPLOMMATINIDAE)
- diandongensis, Eohalobia diandongensis Luo & al., 1982 † - syn of: Ocruranus subpentaedrus H.X. Liu, 1979 † - (HALKIERIIDAE) (FOSSIL)
- diandraensis, Fusinus diandraensis D.R. Goodwin & S. Kosuge, 2008 - (FASCIOLARIIDAE)
- dianeae, Fusinus dianeae E.J. Petuch, 1994 † - (FASCIOLARIIDAE) (FOSSIL)
- dianeae, Eulimella dianeae B.M. Landau & LaFolette, 2015 - (PYRAMIDELLIDAE)
- Dianella, Subgenus Chilopyrgula (Dianella) G.P.L.K. Gude, 1913 (HYDROBIIDAE)
- dianema, Cryoturris dianema W.P. Woodring, 1928 - (MANGELIIDAE)
- dianense, Plagiostoma dianense H. Guo, 1985 † - (LIMIDAE) (FOSSIL)
- dianensis, Igorella dianensis Wang, 1994 † - (HELCIONELLIDAE) (FOSSIL)
- dianensis, Pachycardia dianensis H. Guo, 1985 † - (HYRIIDAE) (FOSSIL)
- dianensis, Stutchburia dianensis H. Guo, 1985 † - (KALENTERIDAE) (FOSSIL)
- dianensis, Posidonia dianensis H. Guo, 1985 † - (POSIDONIIDAE) (FOSSIL)
- dianensis, Pteria dianensis H. Guo, 1985 † - (PTERIIDAE) (FOSSIL)
- dianensis, Schizodus dianensis H. Guo, 1985 † - (SCHIZODIDAE) (FOSSIL)
- dianiensis, Alvania dianiensis M. Oliverio, 1988 - (RISSOIDAE)
- Dianisotis, syn of: Genus Cristaria H.C.F. Schumacher, 1817 (UNIONIDAE)
- dianneae, Domiporta dianneae R. Salisbury & E.G. Guillot de Suduiraut, 2003 - (MITRIDAE)
- Dianomya, Genus Dianomya Guo, 1985 † (PHOLADOMYIDAE) (FOSSIL)
- diantha, Phenacovolva diantha C.N. Cate, 1973 - syn of: Phenacovolva recurva (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- diantha, Eulithidium diantha (J.H. McLean, 1970) - (PHASIANELLIDAE)
- diantha, Tricolia diantha J.H. McLean, 1970 - syn of: Eulithidium diantha (J.H. McLean, 1970) - (PHASIANELLIDAE)
- diantha, Tellina diantha (K.J. Boss, 1964) - (TELLINIDAE)
- diantha, Angulus diantha K.J. Boss, 1964 - syn of: Tellina diantha (K.J. Boss, 1964) - (TELLINIDAE)
- dianthinum, Acrosterigma dianthinum (J.C. Melvill & R. Standen, 1899) - (CARDIIDAE)
- Dianthiphos, Genus Dianthiphos G.T. Watters, 2009 (BUCCINIDAE)
- dianthophila, Fargoa dianthophila (H.W. Wells & M.J. Wells, 1961) - (PYRAMIDELLIDAE)
- dianthus, Purpuriconus dianthus (G.B. III Sowerby, 1882) - (CONIDAE)
- dianthus, Trochus dianthus P. Fischer, 1879 - syn of: Spectamen bellulus (G.F. Angas, 1869) - (TROCHIDAE)
- dianus, Claraioides dianus (H. Guo, 1985 †) - (PTERINOPECTINIDAE) (FOSSIL)
- dianxiensis, Bakevellia dianxiensis H. Guo, 1985 † - (BAKEVELLIIDAE) (FOSSIL)
- Diaopeas, syn of: Genus Beckianum H.B. Baker, 1961 (SUBULINIDAE)
- diaoyuensis, Mitromorpha diaoyuensis (C. Mifsud, 2013) - (MITROMORPHIDAE)
- diaoyuensis, Mitrolumna diaoyuensis C. Mifsud, 2013 - syn of: Mitromorpha diaoyuensis (C. Mifsud, 2013) - (MITROMORPHIDAE)
- diaphana, Fernandezia diaphana (P.P. King, 1830) - (ACHATINELLIDAE)
- diaphana, Auriculella diaphana E.A. Smith, 1873 - (ACHATINELLIDAE)
- diaphana, Japetella diaphana W.E. Hoyle, 1885 - (BOLITAENIDAE)
- diaphana, Bulla diaphana A.A. Gould, 1852 - syn of: Haminoea elegans (J.E. Gray, 1825) - (BULLIDAE)
- diaphana, Bulla diaphana A. Aradas & G. Maggiore, 1840 - syn of: Weinkauffia turgidula (E. Forbes, 1844) - (BULLIDAE)
- diaphana, Chiroteuthis diaphana (A.E. Verrill, 1884) - (CHIROTEUTHIDAE)
- diaphana, Serriphaedusa diaphana Hunyadi & Szekeres, 2016 - (CLAUSILIIDAE)
- diaphana, Astyris diaphana A.E. Verrill, 1882 - (COLUMBELLIDAE)
- diaphana, Erosaria diaphana G.S. Coen, 1949 - syn of: Erosaria erosa (C. Linnaeus, 1758) - (CYPRAEIDAE)
- diaphana, Staphylaea diaphana G.R. Sulliotti, 1924 - syn of: Staphylaea semiplota (J.W. Mighels, 1845) - (CYPRAEIDAE)
- Diaphana, Genus Diaphana T. Brown, 1827 (DIAPHANIDAE)
- diaphana, Halgerda diaphana S.J. Fahey & T.M. Gosliner, 1999 - (DISCODORIDIDAE)
- diaphana, Doris diaphana M. Adler & A. Hancock, 1845 - syn of: Onchidoris muricata (O.F. Müller, 1776) - (DORIDIDAE)
- diaphana, Ovatella diaphana E. Rigacci, 1866 - syn of: Myosotella myosotis (J.P.R. Draparnaud, 1801) - (ELLOBIIDAE)
- diaphana, Eulima diaphana C. Hedley, 1899 - (EULIMIDAE)
- diaphana, Fustiaria diaphana V. Scarabino & F. Scarabino, 2010 - (FUSTIARIIDAE)
- diaphana, Haminoea diaphana A.A. Gould, 1852 - syn of: Haminoea elegans (J.E. Gray, 1825) - (HAMINOEIDAE)
- diaphana, Weinkauffia diaphana A. Aradas & G. Maggiore, 1840 - syn of: Weinkauffia turgidula (E. Forbes, 1844) - (HAMINOEIDAE)
- diaphana, Theba diaphana J.R. Bourguignat - syn of: Theba pisana (O.F. Müller, 1774) - (HELICIDAE)
- diaphana, Helix diaphana I. Krynicki, 1833 - syn of: Tauroxychilus diaphanellus (I. Krynicki, 1833) - (HELICIDAE)
- diaphana, Gemma diaphana (L. Pfeiffer, 1852) - (HELICINIDAE)
- diaphana, Scurria diaphana L.A. Reeve, 1854 - syn of: Lottia mesoleuca (K.T. Menke, 1851) - (LOTTIIDAE)
- diaphana, Leucosphaera diaphana E.A. Glover & D.W. Taylor, 2007 - (LUCINIDAE)
- diaphana, Entodesma diaphana P.P. Carpenter, 1856 - syn of: Entodesma pictum (G.B. I Sowerby, 1834) - (LYONSIIDAE)
- diaphana, Malletia diaphana A.H. Clarke, 1961 - syn of: Clencharia abyssorum (A.E. Verrill & K.J. Bush, 1898) - (MALLETIIDAE)
- diaphana, Margarites diaphana J.E. Gray, 1847 - syn of: Margarites helicinus (C.J. Phipps, 1774) - (MARGARITIDAE)
- diaphana, Prunum diaphana L.C. Kiener, 1841 - syn of: Prunum pellucidum (L. Pfeiffer, 1840) - (MARGINELLIDAE)
- diaphana, Solamen diaphana W.H. Dall, 1907 - syn of: Solamen spectabilis (A. Adams, 1862) - (MYTILIDAE)
- diaphana, Ennucula diaphana B. Prashad, 1932 - syn of: Ennucula similis (P.M. Rhind & J.A. Allen, 1992) - (NUCULIDAE)
- diaphana, Lamellidoris diaphana J. Alder & A. Hancock, 1845 - syn of: Onchidoris muricata (O.F. Müller, 1776) - (ONCHIDORIDIDAE)
- diaphana, Pseudosimnia diaphana (W. Liltved, 1987) - (OVULIDAE)
- diaphana, Samoana diaphana (D.M. Crampton & C.M. Cooke, 1953) - (PARTULIDAE)
- diaphana, Tambja diaphana (L.S.R. Bergh, 1877) - (POLYCERIDAE)
- diaphana, Vitrea diaphana (S.E. Studer, 1820) - (PRISTILOMATIDAE)
- diaphana, Vitrea diaphana J. Péchaud, 1883 - syn of: Vitrea subrimata (O.W.H. Reinhardt, 1871) - (PRISTILOMATIDAE)
- diaphana, Vitrea diaphana J.G.F. de Charpentier - syn of: Vitrea crystallina (O.F. Müller, 1774) - (PRISTILOMATIDAE)
- diaphana, Vitrea diaphana S .de Fez, 1961 - syn of: Subrimatus narbonensis (S. Clessin, 1877) - (PRISTILOMATIDAE)
- diaphana, Cinctiuga diaphana (J.C. Verco, 1906) - (PYRAMIDELLIDAE)
- diaphana, Ondina diaphana (J.G. Jeffreys, 1848) - (PYRAMIDELLIDAE)
- diaphana, Eulimella diaphana A. Adams, 1861 - (PYRAMIDELLIDAE)
- diaphana, Odostomia diaphana (J.C. Verco, 1906) - syn of: Cinctiuga diaphana (J.C. Verco, 1906) - (PYRAMIDELLIDAE)
- diaphana, Nepotilla diaphana W.L. May, 1920 - (RAPHITOMIDAE)
- diaphana, Retusa diaphana Á. Valdés, 2008 - (RETUSIDAE)
- diaphana, Rissoella diaphana (J. Alder, 1848) - (RISSOELLIDAE)
- diaphana, Porosalvania diaphana S. Gofas, 2007 - (RISSOIDAE)
- diaphana, Rissoa diaphana J. Alder, 1848 - syn of: Rissoella diaphana (J. Alder, 1848) - (RISSOIDAE)
- diaphana, Skenea diaphana (A.E. Verrill, 1884) - (SKENEIDAE)
- diaphana, Tellina diaphana G.P. Deshayes, 1855 - (TELLINIDAE)
- diaphana, Tindaria diaphana A.H. Clarke, 1961 - syn of: Clencharia abyssorum (A.E. Verrill & K.J. Bush, 1898) - (TINDARIIDAE)
- diaphana, Elachorbis diaphana H.J. Finlay, 1924 - (TORNIDAE)
- diaphana, Vitrinella diaphana D'Orbigny, 1842 - syn of: Vitrinella pusilla (L. Pfeiffer, 1840) - (TORNIDAE)
- diaphana, Truncatella diaphana J. Gassies, 1869 - (TRUNCATELLIDAE)
- diaphana, Felania diaphana (J.F. Gmelin, 1791) - (UNGULINIDAE)
- diaphana, Poecilocoptis diaphana (B.H. Wright in R. Arango, 1880) - (UROCOPTIDAE)
- diaphana, Venus diaphana J.F. Gmelin, 1791 - syn of: Felania diaphana (J.F. Gmelin, 1791) - (VENERIDAE)
- diaphana, Eucobresia diaphana (J.P.R. Draparnaud, 1805) - (VITRINIDAE)
- diaphana, Vitrina diaphana J.L.M. Poiret, 1801 - syn of: Vitrina pellucida (O.F. Müller, 1774) - (VITRINIDAE)
- diaphana, Paludina diaphana A. Michaud, 1831 - syn of: Bythiospeum diaphanum (A. Michaud, 1831) - (VIVIPARIDAE)
- diaphana cacuminis, Auriculella diaphana cacuminis H.A. Pilsbry & C.M. Cooke, 1915 - (ACHATINELLIDAE)
- diaphana dilucida, Ondina diaphana dilucida (T.A. de M. Monterosato, 1884) - syn of: Ondina dilucida (T.A. de M. Monterosato, 1884) - (PYRAMIDELLIDAE)
- diaphana erjaveci, Vitrea diaphana erjaveci (Š. Brusina, 1870) - (PRISTILOMATIDAE)
- diaphana erjaveci, Vitrea diaphana erjaveci F. Riedel, 1959 - syn of: Vitrea rhododendronis F. Riedel, 1966 - (PRISTILOMATIDAE)
- diaphana inflata, Ondina diaphana inflata J.T. Marshall, 1893 - (PYRAMIDELLIDAE)
- Diaphanella, syn of: Genus Notodiaphana K.H.J. Thiele, 1917 (NOTODIAPHANIDAE)
- Diaphanella, syn of: Subgenus Oxychilus (Mediterranea) S. Clessin, 1880 (OXYCHILIDAE)
- diaphanella, Hippeutis diaphanella (J.R. Bourguignat, 1864) - (PLANORBIDAE)
- Diaphanella, syn of: Genus Vitrea L.I. Fitzinger, 1833 (PRISTILOMATIDAE)
- diaphanellus, Tauroxychilus diaphanellus (I. Krynicki, 1833) - (OXYCHILIDAE)
- DIAPHANIDAE Odhner, 1914 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-DIAPHANOIDEA [Superfamily])
- diaphanoides, Bythiospeum diaphanoides (R. Bernasconi, 1985) - (HYDROBIIDAE)
- Diaphanomormus, Subgenus Drymaeus (Diaphanomormus) W.K. Weyrauch, 1964 (BULIMULIDAE)
- Diaphanomormus, syn of: Subgenus Drymaeus (Mesembrinus) J.A. Albers, 1850 (BULIMULIDAE)
- diaphanopepla, Oophana diaphanopepla W.S.S. Van Benthem-Jutting, 1954 - (STREPTAXIDAE)
- Diaphanoteuthis, syn of: Genus Chiroteuthis D'Orbigny, 1841 (CHIROTEUTHIDAE)
- diaphanum, Buccinum diaphanum P.F. Röding, 1798 - syn of: Phos textum (J.F. Gmelin, 1791) - (BUCCINIDAE)
- diaphanum, Bythiospeum diaphanum (A. Michaud, 1831) - (HYDROBIIDAE)
- diaphanum, Pisidium diaphanum S.S. Haldeman, 1841 - syn of: Eupera bahiensis (J.B. von Spix, 1827) - (SPHAERIIDAE)
- diaphanum alpillense, Bythiospeum diaphanum alpillense H. Girardi, 2009 - (HYDROBIIDAE)
- diaphanum dorvani, Bythiospeum diaphanum dorvani R. Bernasconi, 1985 - syn of: Bythiospeum dorvani (R. Bernasconi, 1985) - (HYDROBIIDAE)
- diaphanum fernetense, Bythiospeum diaphanum fernetense H. Girardi, 2009 - syn of: Bythiospeum fernetense H. Girardi, 2009 - (HYDROBIIDAE)
- diaphanum francomontanum, Bythiospeum diaphanum francomontanum R. Bernasconi, 1973 - syn of: Bythiospeum francomontanum (R. Bernasconi, 1973) - (HYDROBIIDAE)
- diaphanum luberonense, Bythiospeum diaphanum luberonense H. Girardi, 2009 - (HYDROBIIDAE)
- diaphanum meyrarguense, Bythiospeum diaphanum meyrarguense H. Girardi, 2009 - (HYDROBIIDAE)
- diaphanum michaellensis, Bythiospeum diaphanum michaellensis H. Girardi, 2002 - (HYDROBIIDAE)
- diaphanum montbrunense, Bythiospeum diaphanum montbrunense H. Girardi & A. Bertrand, 2009 - syn of: Bythiospeum montbrunense H. Girardi & A. Bertrand, 2009 - (HYDROBIIDAE)
- diaphanum regalonense, Bythiospeum diaphanum regalonense H. Girardi, 2009 - (HYDROBIIDAE)
- diaphanum sarriansense, Bythiospeum diaphanum sarriansense H. Girardi, 2009 - syn of: Bythiospeum sarriansense H. Girardi, 2009 - (HYDROBIIDAE)
- diaphanus, Bulimulus diaphanus L. Pfeiffer, 1855 - (BULIMULIDAE)
- diaphanus, Thliptodon diaphanus (J. Meisenheimer, 1903) - (CLIONIDAE)
- diaphanus, Pectinidens diaphanus (P.P. King in P.P. King & W.J. Broderip, 1832) - (LYMNAEIDAE)
- diaphanus, Murex diaphanus J.F. Gmelin, 1791 - syn of: Hexaplex cichoreum (J.F. Gmelin, 1791) - (MURICIDAE)
- diaphanus, Laevapex diaphanus (S.S. Haldeman, 1841) - (PLANORBIDAE)
- diaphanus, Weinlandipoma diaphanus (P. Bartsch) - (POMATIIDAE)
- diaphanus, Tonna diaphanus P.F. Röding, 1798 - syn of: Tonna sulcosa (I. von Born, 1778) - (TONNIDAE)
- diaphanus, Dolium diaphanus P.F. Röding, 1798 - syn of: Tonna sulcosa (I. von Born, 1778) - (TONNIDAE)
- diaphanus, Trochus diaphanus D'Orbigny, 1842 - syn of: Vitrinella pusilla (L. Pfeiffer, 1840) - (TROCHIDAE)
- diaphanus, Trochus diaphanus J.F. Gmelin, 1791 - syn of: Maurea punctulata (T. Martyn, 1784) - (TROCHIDAE)
- diaphanus fraterculus, Bulimulus diaphanus fraterculus V.L.V. Potiez & A. Michaud, 1835 - (BULIMULIDAE)
- Diaphera, Genus Diaphera J.A. Albers, 1850 (DIAPHERIDAE)
- DIAPHERIDAE Panha & Naggs, 2010 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-STREPTAXOIDEA [Superfamily])
- Diaphora, syn of: Genus Diaphera J.A. Albers, 1850 (DIAPHERIDAE)
- diaphora, Pharodoris diaphora Á. Valdés, 2001 - (DORIDIDAE)
- diaphora, Helix diaphora C.A. Westerlund, 1896 - syn of: Archaica apollinis (E.C. Von Martens, 1882) - (HELICIDAE)
- Diaphorealis, syn of: Genus Cuthona J. Alder & A. Hancock, 1855 (FIONIDAE)
- Diaphoreolis, Genus Diaphoreolis Iredale & O'Donoghue, 1923 (TRINCHESIIDAE)
- Diaphoroceras, Genus Diaphoroceras Ulrich & al., 1944 † (BASSLEROCERATIDAE) (FOSSIL)
- Diaphorodoris, Genus Diaphorodoris T. Iredale & C.H. O’Donoghue, 1923 (ONCHIDORIDIDAE)
- Diaphoromactra, Genus Diaphoromactra T. Iredale, 1930 (MACTRIDAE)
- Diaphoroplax, syn of: Genus Plaxiphora J.E. Gray, 1847 (MOPALIIDAE)
- diaphoros, Calliostoma diaphoros C. Vilvens, 2009 - (CALLIOSTOMATIDAE)
- diaphoros, Prososthenia diaphoros T.A. Neubauer & al., 2013 † - (HYDROBIIDAE) (FOSSIL)
- Diaphorostoma, syn of: Subgenus Platyceras (Platyostoma) Conrad, 1842 † (PLATYCERATIDAE) (FOSSIL)
- diaphorus, Chiton diaphorus (T. Iredale & W.L. May, 1916) - (CHITONIDAE)
- diaphorus, Rhyssoplax diaphorus (T. Iredale & W.L. May, 1916) - syn of: Chiton diaphorus (T. Iredale & W.L. May, 1916) - (CHITONIDAE)
- diaphorus, Glycymeris diaphorus W.H. Dall, 1916 - syn of: Glycymeris longior Sowerby, 1832 - (GLYCYMERIDIDAE)
- Diaplococeras, Genus Diaplococeras Hyatt in Eastman-Zittel, 1900 † (CERATITIDA (UNASSIGNED)) (FOSSIL)
- diardi, Hypselodoris diardi E.F. Kelaart, 1859 - syn of: Hypselodoris infucata (W.P.E.S. Rüppell & F.S. Leuckart, 1830) - (CHROMODORIDIDAE)
- diarmaidi, Gyliotrachela diarmaidi S. Panha & J.B. Burch, 2002 - (HYPSELOSTOMATIDAE)
- Diarmaidia, Genus Diarmaidia P.H. Valentich-Scott, 2012 (LASAEIDAE)
- diarrhox, Antalis diarrhox (R.B. Watson, 1879) - (DENTALIIDAE)
- Diarthema, Genus Diarthema Piette, 1864 † (APORRHAIDAE) (FOSSIL)
- diartianum, Vascoceras diartianum (A.V.M.D. D'Orbigny, 1850 †) - (VASCOCERATIDAE) (FOSSIL)
- diasi, Drillia diasi K.H. Barnard, 1958 - (DRILLIIDAE)
- Diaspira, syn of: Subgenus Ditropis (Ditropopsis) E.A. Smith, 1897 (CYCLOPHORIDAE)
- diasticta, Mitra diasticta A.E.M. Cossmann, 1896 † - (MITRIDAE) (FOSSIL)
- diastictus, Conus diastictus A.E.M. Cossmann, 1923 † - (CONIDAE) (FOSSIL)
- diastictus, Glycymeris diastictus A.E.M. Cossmann, 1904 † - (GLYCYMERIDIDAE) (FOSSIL)
- Diastictus, syn of: Genus Cossmannia Newton, 1891 † (ZEBINIDAE) (FOSSIL)
- Diasticus, syn of: Genus Cossmannia Newton, 1891 † (ZEBINIDAE) (FOSSIL)
- Diastole, Genus Diastole G.P.L.K. Gude, 1913 (EUCONULIDAE)
- Diastoloceras, Genus Diastoloceras Teichert & Glenister, 1954 † (PROTOCYCLOCERATIDAE) (FOSSIL)
- Diastoma, Genus Diastoma G.P. Deshayes, 1850 (DIASTOMATIDAE)
- DIASTOMATIDAE Cossmann, 1894 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-CERITHIOIDEA [Superfamily])
- Diastomella, Genus Diastomella Chavan, 1952 † (POTAMIDIDAE) (FOSSIL)
- DIASTOMIDAE - syn of Family: DIASTOMATIDAE
- diastomoides, Rhinoclavis diastomoides G.P. Deshayes, 1864 † - (CERITHIIDAE) (FOSSIL)
- diastomoides, Turbonilla diastomoides (A.E.M. Cossmann & M.A. Peyrot, 1917 †) - (PYRAMIDELLIDAE) (FOSSIL)
- Diastropha, Subgenus Bulinus (Diastropha) J.E. Gray in W.H. Turton, 1840 (PLANORBIDAE)
- diastropha, Pleurotomella diastropha P. Dautzenberg & H. Fischer, 1896 - (RAPHITOMIDAE)
- diastropha, Pleurotoma diastropha P. Dautzenberg & H. Fischer, 1896 - syn of: Pleurotomella packardii A.E. Verrill, 1872 - (TURRIDAE)
- Diatinostoma, Genus Diatinostoma Cossmann, 1906 † (EUSTOMATIDAE) (FOSSIL)
- diatreta, Eratoidea diatreta T. McCleery, 2011 - (MARGINELLIDAE)
- diatreta, Fijiopoma diatreta (A.A. Gould, 1847) - (NEOCYCLOTIDAE)
- diatretum, Cyclostoma diatretum A.A. Gould, 1847 - syn of: Fijiopoma diatreta (A.A. Gould, 1847) - (POMATIIDAE)
- diatretum, Tubiola diatretum (A.A. Gould) - (VANIKORIDAE)
- diatretus, Ostodes diatretus A. Garrett - syn of: Gonatorhaphe intercostata (A. Mousson, 1870) - (NEOCYCLOTIDAE)
- diatretus intercostata, Ostodes diatretus intercostata A. Mousson, 1870 - syn of: Gonatorhaphe intercostata (A. Mousson, 1870) - (NEOCYCLOTIDAE)
- Diatrypesis, Genus Diatrypesis Tomlin, 1929 † (METACERITHIIDAE) (FOSSIL)
- diatula, Mangelia diatula R.P.J. Hervier, 1897 - (MANGELIIDAE)
- diatula diatulina, Mangelia diatula diatulina R.P.J. Hervier, 1897 - (MANGELIIDAE)
- diatulina, Mangelia diatula diatulina R.P.J. Hervier, 1897 - (MANGELIIDAE)
- Diaugasma, Genus Diaugasma J.C. Melvill, 1917 (RAPHITOMIDAE)
- diauges, Bistolida diauges (J.C. Melvill, 1888) - (CYPRAEIDAE)
- diauges, Hemiliostraca diauges (J.R. le B. Tomlin & L.J. Shackleford, 1915) - (EULIMIDAE)
- diauges, Sinum diauges R.N. Kilburn, 1974 - (NATICIDAE)
- diaulax, Rhodopetoma diaulax (W.H. Dall, 1908) - (PSEUDOMELATOMIDAE)
- diaulax, Turris diaulax W.H. Dall, 1908 - syn of: Rhodopetoma diaulax (W.H. Dall, 1908) - (TURRIDAE)
- Diaulula, Genus Diaulula L.S.R. Bergh, 1879 (DISCODORIDIDAE)
- Diaurora, Genus Diaurora T.D.A. Cockerell, 1903 (UNIONIDAE)
- diazensis, Cochliopa diazensis J.P.E. Morrison, 1946 - (COCHLIOPIDAE)
- diazensis, Unio diazensis B.H. Wright, 1897 - syn of: Elliptio jayensis I. Lea, 1838 - (UNIONIDAE)
- diazi, Adkinsites diazi A.T. Young, 1966 † - (BRANCOCERATIDAE) (FOSSIL)
- diazi, Limopsis diazi W.H. Dall, 1908 - syn of: Limopsis panamensis W.H. Dall, 1902 - (LIMOPSIDAE)
- diazi, Trophonopsis diazi (J.W. Durham, 1942) - (MURICIDAE)
- diazi, Thatcherina diazi C. Gracia & J.L. Vera-Peláez, 2004 - (RAPHITOMIDAE)
- Diaziceras, Genus Diaziceras Spath, 1921 † (COLLIGNONICERATIDAE) (FOSSIL)
- diazmerlanoi, Macromphalina diazmerlanoi E. Rolán & F. Rubio, 1998 - (VANIKORIDAE)
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