- duqmensis, Cylichnella duqmensis M. Harzhauser, 2007 † - (CYLICHNIDAE) (FOSSIL)
- duqmensis, Monopilarites duqmensis Philip & Platel, 1998 † - (RADIOLITIDAE) (FOSSIL)
- duquei, Turbonilla duquei A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- dura, Aplysia dura N.B. Eales, 1960 - (APLYSIIDAE)
- dura, Platydoris dura A. Pruvot-Fol, 1951 - syn of: Platydoris argo (C. Linnaeus, 1767) - (DISCODORIDIDAE)
- dura, Thiara dura (L.A. Reeve, 1860) - (THIARIDAE)
- dura, Turritella dura O.A.L. Mörch, 1860 - (TURRITELLIDAE)
- dura, Venerupis dura J.F. Gmelin, 1791 - syn of: Polititapes durus (J.F. Gmelin, 1791) - (VENERIDAE)
- dura, Venus dura J.F. Gmelin, 1791 - syn of: Polititapes durus (J.F. Gmelin, 1791) - (VENERIDAE)
- durabilis, Pyrgulina durabilis J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- duralensis, Badistes duralensis J.C. Cox, 1868 - (CAMAENIDAE)
- durandi, Amastra durandi C.M.F. Ancey, 1897 - (AMASTRIDAE)
- durandi, Chloritis durandi A.R.J.B. Bavay & P. Dautzenberg, 1900 - (CAMAENIDAE)
- durandi, Vascoceras durandi (A. Thomas & Peron, 1889 †) - (VASCOCERATIDAE) (FOSSIL)
- durangense, Pedioceras durangense Burckhardt, 1925 † - syn of: Pedioceras caquesense (D.L.G. Karsten, 1858 †) - (ANCYLOCERATIDAE) (FOSSIL)
- durangense, Desmoceras durangense Böse, 1923 † - syn of: Pseudohaploceras liptoviense (Zeuschner, 1856 †) - (DESMOCERATIDAE) (FOSSIL)
- durangensis, Astarte durangensis Imlay, 1940 † - (ASTARTIDAE) (FOSSIL)
- durangensis, Cubasphinctes durangensis (Burckhardt, 1912 †) - (PERISPHINCTIDAE) (FOSSIL)
- Durangites, Genus Durangites Burckhardt, 1912 (HIMALAYITIDAE) (FOSSIL)
- durangoana, Tristramia durangoana A. Mousson, 1883 - (HELICINIDAE)
- durangoana sagulensis, Tristramia durangoana sagulensis A.J. Wagner, 1910 - (HELICINIDAE)
- durangoanus, Naesiotus durangoanus (E.C. Von Martens, 1893) - (BULIMULIDAE)
- durangoensis, Rabdotus durangoensis (E.C. Von Martens, 1900) - (BULIMULIDAE)
- durangoensis, Haplocion durangoensis P. Bartsch, 1906 - (UROCOPTIDAE)
- Durangonella, syn of: Genus Tryonia W. Stimpson, 1865 (COCHLIOPIDAE)
- Durania, Genus Durania Douvillι, 1908 (RADIOLITIDAE) (FOSSIL)
- duranti, Haplotrema duranti (W. Newcomb, 1864) - (HAPLOTREMATIDAE)
- durara, Igorella durara Kruse, 1991 † - (HELCIONELLIDAE) (FOSSIL)
- duraznoensis, Viluceras duraznoensis Aguirre-Urreta & Rawson, 1999 † - (OLCOSTEPHANIDAE) (FOSSIL)
- durazzii, Aeolidia durazzii J.B. Vérany, 1846 - (AEOLIDIIDAE)
- durbanensis, Purpuradusta fimbriata durbanensis (F.A. Schilder & M. Schilder, 1938) - (CYPRAEIDAE)
- durbanensis, Epitonium durbanensis E.A. Smith, 1906 - syn of: Epitonium multicostatum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- durbanensis, Scintilla durbanensis G.B. III Sowerby, 1897 - (GALEOMMATIDAE)
- durbanensis, Barnea durbanensis E.C.N. van Hoepen, 1941 - syn of: Barnea manilensis (R.A. Philippi, 1847) - (PHOLADIDAE)
- durbanensis, Monoplex durbanensis (E.A. Smith, 1899) - (RANELLIDAE)
- durbanensis, Cabestana durbanensis (E.A. Smith, 1899) - syn of: Monoplex durbanensis (E.A. Smith, 1899) - (RANELLIDAE)
- durbanensis, Rissoa durbanensis J.R. le B. Tomlin, 1916 - (RISSOIDAE)
- durbanensis, Rissoina durbanensis E.A. Smith, 1906 - (RISSOINIDAE)
- durbanensis, Solariella durbanensis R.N. Kilburn, 1977 - syn of: Ethminolia durbanensis (R.N. Kilburn, 1977) - (SOLARIELLIDAE)
- durbanensis, Ennea durbanensis R. Sturany, 1898 - syn of: Gulella crassidens (L. Pfeiffer, 1859) - (STREPTAXIDAE)
- durbanensis, Ethminolia durbanensis (R.N. Kilburn, 1977) - (TROCHIDAE)
- durbanensis quasigracilis, Purpuradusta fimbriata durbanensis quasigracilis F.Jr. Lorenz, 1989 - (CYPRAEIDAE)
- durchanaensis, Aequipecten durchanaensis Karagyuleva, 1964 † - (PECTINIDAE) (FOSSIL)
- duregica, Anodonta duregica G. Servain, 1885 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- duregnei, Acanthocardia duregnei T.A. de M. Monterosato, 1891 - syn of: Acanthocardia echinata (C. Linnaeus, 1758) - (CARDIIDAE)
- durga, Ammonites durga E. Forbes, 1846 † - syn of: Hauericeras rembda (E. Forbes, 1846 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- durga, Baylea durga (L. Waagen, 1880 †) - (GOSSELETINIDAE) (FOSSIL)
- Durga, Genus Durga Boehm, 1884 (PACHYRISMATIDAE) (FOSSIL)
- durga, Pleurotomaria durga L. Waagen, 1880 † - syn of: Baylea durga (L. Waagen, 1880 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- durgaae, Crioceratites durgaae (Sarkar, 1955 †) - (CRIOCERATITIDAE) (FOSSIL)
- durgae, Indolucina durgae Fursich & al. 2000 † - (LUCINIDAE) (FOSSIL)
- Durgella, Genus Durgella W.T. Blanford, 1863 (ARIOPHANTIDAE)
- durgella, Terebra durgella H.C. Ray, 1968 - syn of: Euterebra padangensis (K.H.J. Thiele, 1925) - (TEREBRIDAE)
- Durgellina, syn of: Genus Coneuplecta O.F. von Mφllendorff, 1893 (EUCONULIDAE)
- durhamensis, Eotomaria durhamensis J.J.F. Whiteaves, 1884 † - syn of: Promourlonia durhamensis (J.J.F. Whiteaves, 1884 †) - (EOTOMARIIDAE) (FOSSIL)
- durhamensis, Poleumita durhamensis (J.J.F. Whiteaves, 1895 †) - (EUOMPHALIDAE) (FOSSIL)
- durhamensis, Promourlonia durhamensis (J.J.F. Whiteaves, 1884 †) - (GOSSELETINIDAE) (FOSSIL)
- durhamensis, Pleurotomaria durhamensis J.J.F. Whiteaves, 1884 † - syn of: Promourlonia durhamensis (J.J.F. Whiteaves, 1884 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- durhami, Conus durhami G.D. Hanna & Strong, 1949 † - (CONIDAE) (FOSSIL)
- durhami, Confusiscala durhami McNeil, 1984 † - (EPITONIIDAE) (FOSSIL)
- durhami, Chlamys durhami O.S. Adegoke, 1969 - syn of: Chlamys rubida R.B. Hinds, 1845 - (PECTINIDAE)
- durhamianum, Epitonium durhamianum L.G. Hertlein & A.M. Strong, 1951 - (EPITONIIDAE)
- durianoides, Antillophos durianoides K. Fraussen & G.T. Poppe, 2005 - (NASSARIIDAE)
- duricastellum, Calliostoma duricastellum J.C. Melvill, 1898 - (CALLIOSTOMATIDAE)
- duriculatum, Platyceras duriculatum J.W. Hall, 1879 † - (PLATYCERATIDAE) (FOSSIL)
- durieui, Xeromunda durieui (L. Pfeiffer, 1848) - (HYGROMIIDAE)
- durieui, Unio durieui G.P. Deshayes, 1847 - (UNIONIDAE)
- durinum, Endoceras durinum C.H. Blake, 1882 † - (ENDOCERATIDAE) (FOSSIL)
- duritas, Nuculoma duritas T. Iredale, 1931 - syn of: Ennucula obliqua (J.B.P.A. Lamarck, 1819) - (NUCULIDAE)
- Duritropis, syn of: Genus Omphalotropis L. Pfeiffer, 1851 (ASSIMINEIDAE)
- durmitoris, Herilla durmitoris (O. Böttger, 1909) - (CLAUSILIIDAE)
- durmitoris pseudalopia, Herilla durmitoris pseudalopia (A.J. Wagner, 1914) - (CLAUSILIIDAE)
- durnovariae, Modiolus durnovariae Arkell W J † - (MYTILIDAE) (FOSSIL)
- duroi, Eremina dillwyniana duroi J.G. Hidalgo, 1886 - (HELICIDAE)
- Durotrigensia, Subgenus Parkinsonia (Durotrigensia) Buckman, 1928 (PARKINSONIIDAE) (FOSSIL)
- durouchouxi, Thracia durouchouxi P. Dautzenberg & H. Fischer, 1897 - syn of: Thracia villosiuscula (W. Macgillivray, 1827) - (THRACIIDAE)
- durrelli, Ancyloceras durrelli F.M. Anderson, 1938 † - (ANCYLOCERATIDAE) (FOSSIL)
- durrovensis, Margaritifera durrovensis H.H. Bloomer, 1828 - syn of: Margaritifera margaritifera (C. Linnaeus, 1758) - (MARGARITIFERIDAE)
- durtalense, Lioceratoides durtalense Gabilly 1973 † - (HILDOCERATIDAE) (FOSSIL)
- durum, Trachycardium durum J. Brown & H.A. Pilsbry, 1913 † - syn of: Phlogocardia striatum (J. Brown & H.A. Pilsbry, 1911 †) - (CARDIIDAE) (FOSSIL)
- durum, Onchidium durum A. Labbé, 1934 - (ONCHIDIIDAE)
- durus, Naesiotus durus (J.B. von Spix, 1827) - (BULIMULIDAE)
- durus, Mytilus durus J. Lightfoot, 1786 - syn of: Perna canaliculus (J.F. Gmelin, 1791) - (MYTILIDAE)
- durus, Polititapes durus (J.F. Gmelin, 1791) - (VENERIDAE)
- durus, Venus durus J.F. Gmelin, 1791 - syn of: Polititapes durus (J.F. Gmelin, 1791) - (VENERIDAE)
- durvillaea, Diloma durvillaea C. Spencer, B.A. Marshall & J.M. Waters, 2009 - (TROCHIDAE)
- Durvilledoris, Genus Durvilledoris W.B. Rudman, 1984 (CHROMODORIDIDAE)
- Durvilleoceras, Genus Durvilleoceras Waterhouse, 1973 (MEEKOCERATIDAE) (FOSSIL)
- durvillii, Xanthomelon durvillii (J.B. Hombron & C.H. Jacquinot, 1841) - (CAMAENIDAE)
- durvillii, Helix durvillii J.B. Hombron & C.H. Jacquinot, 1847 - (HELICIDAE)
- duryi, Helisoma duryi (A. Wetherby, 1879) - (PLANORBIDAE)
- duryi, Seminolina duryi A. Wetherby, 1879 - syn of: Helisoma duryi (A. Wetherby, 1879) - (PLANORBIDAE)
- duryi eudiscus, Helisoma duryi eudiscus H.A. Pilsbry, 1934a - syn of: Seminolina eudiscus (H.A. Pilsbry, 1934) - (PLANORBIDAE)
- dusabonis, Melania dusabonis J.P.S. Grateloup, 1840 - syn of: Madagasikara madagascariensis (J.P.S. Grateloup, 1840) - (THIARIDAE)
- dusaveli, Textilia dusaveli (H. Adams, 1872) - (CONIDAE)
- dusaveli, Leptoconus dusaveli H. Adams, 1872 - syn of: Textilia dusaveli (H. Adams, 1872) - (CONIDAE)
- dusaveli benten, Textilia dusaveli benten T. Shikama, 1977 - syn of: Textilia dusaveli (H. Adams, 1872) - (CONIDAE)
- duseri, Treptoceras duseri (J.W. Hall & R.P. Whitfield, 1875 †) - (PROTEOCERATIDAE) (FOSSIL)
- dushanae, Thelecythara dushanae J.H. McLean & L.H. Poorman, 1971 - (HORAICLAVIDAE)
- dushanae, Terebra dushanae G.B. Campbell, 1964 - syn of: Terebra bridgesi W.H. Dall, 1908 - (TEREBRIDAE)
- dushanbensis, Cochlicopa dushanbensis Y.I. Starobogatov, 1996 - (COCHLICOPIDAE)
- dushaneae, Opalia dushaneae E.F. Garcia, 2004 - (EPITONIIDAE)
- dushanense, Pleuronodoceras dushanense Chao & X.L. Liang, 1965 † - (PLEURONODOCERATIDAE) (FOSSIL)
- dushanense, Rotodiscoceras dushanense J.K. Zhao & al., 1978 † - (PLEURONODOCERATIDAE) (FOSSIL)
- dushanensis, Paratainonautilus dushanensis J.K. Zhao & al., 1978 † - (TAINOCERATIDAE) (FOSSIL)
- Dushanoceras, Genus Dushanoceras Zhao & al., 1978 (PSEUDOTIROLITIDAE) (FOSSIL)
- dushia, Flabellina dushia (Er. Marcus & Ev. Marcus, 1963) - (FLABELLINIDAE)
- dusiana, Turbonilla dusiana (S. Nomura, 1937) - (PYRAMIDELLIDAE)
- dusiana, Dunkeria dusiana S. Nomura, 1937 - syn of: Turbonilla dusiana (S. Nomura, 1937) - (PYRAMIDELLIDAE)
- dusiensis, Odostomia dusiensis S. Nomura, 1937 - (PYRAMIDELLIDAE)
- duslii, Prosolarium duslii J. Perner, 1907 † - (LUCIELLIDAE) (FOSSIL)
- dusmani, Subcolumbites dusmani (Arthaber, 1911 †) - (COLUMBITIDAE) (FOSSIL)
- dussaulti, Murchisonia dussaulti Mansuy, 1914 † - syn of: Donaldospira dussaulti (Mansuy, 1914 †) - (MURCHISONIIDAE) (FOSSIL)
- dussaulti, Donaldospira dussaulti (Mansuy, 1914 †) - (ORTHONEMIDAE) (FOSSIL)
- dussaulti, Palaeostylus dussaulti Mansuy, 1914 † - (PALAEOSTYLIDAE) (FOSSIL)
- dussaulti, Cingulina dussaulti E. Saurin, 1962 - (PYRAMIDELLIDAE)
- dussaulti, Trachydomia dussaulti Mansuy, 1913 † - (TRACHYSPIRIDAE) (FOSSIL)
- dusseensis, Pietteia dusseensis Cox, 1965 † - (APORRHAIDAE) (FOSSIL)
- dussumieri, Mariaella dussumieri J.E. Gray, 1855 - (ARIOPHANTIDAE)
- dussumieri, Ficus dussumieri L.A. Reeve, 1847 - syn of: Ficus gracilis (G.B. I Sowerby, 1825) - (FICIDAE)
- dussumieri, Pyrula dussumieri L.C. Kiener, 1840 † - (MELONGENIDAE) (FOSSIL)
- dussumieri, Onychoteuthis dussumieri D'Orbigny, 1849 - (ONYCHOTEUTHIDAE)
- dussumieri, Tetronychoteuthis dussumieri (A.V.M.D. D'Orbigny, 1839) - (PHOLIDOTEUTHIDAE)
- dussumieri, Edentulina dussumieri (H. Dufo, 1840) - (STREPTAXIDAE)
- dussumieri hiradoensis, Duplicaria dussumieri hiradoensis H.A. Pilsbry, 1921 - syn of: Duplicaria hiradoensis (H.A. Pilsbry, 1921) - (TEREBRIDAE)
- dussumierii, Duplicaria dussumierii (L.C. Kiener, 1839) - (TEREBRIDAE)
- dutaillyana, Cristataria dutaillyana (J.R. Bourguignat, 1868) - (CLAUSILIIDAE)
- dutaillyanus, Aegopinella dutaillyanus J.F. Mabille, 1878 - syn of: Aegopinella nitens (A. Michaud, 1831) - (ZONITIDAE)
- dutaillyi, Mesembrinus dutaillyi (L. Pfeiffer, 1857) - (BULIMULIDAE)
- dutchtownensis, Lophospira dutchtownensis Cullison, 1938 † - syn of: Straparollina cassina (R.P. Whitfield, 1886 †) - (LOPHOSPIRIDAE) (FOSSIL)
- dutempleana, Sonneratia dutempleana (A.V.M.D. D'Orbigny, 1850 †) - (HOPLITIDAE) (FOSSIL)
- dutempleanus, Ammonites dutempleanus d'Orbigny, 1841 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- dutemplei, Palaeocyclophorus dutemplei (G.P. Deshayes, 1863 †) - (CYCLOPHORIDAE) (FOSSIL)
- dutemplei, Semiauricula dutemplei (G.P. Deshayes, 1863 †) - (ELLOBIIDAE) (FOSSIL)
- dutemplei, Melanopsis dutemplei G.P. Deshayes, 1862 † - (MELANOPSIDAE) (FOSSIL)
- dutemplei, Brachidontes dutemplei G.P. Deshayes, 1858 † - (MYTILIDAE) (FOSSIL)
- dutemplei, Neritodryas dutemplei G.P. Deshayes, 1864 † - (NERITIDAE) (FOSSIL)
- dutemplis, Garum dutemplis (G.P. Deshayes, 1857 †) - (PSAMMOBIIDAE) (FOSSIL)
- dutexata, Turritella dutexata G.F. Harris, 1895 † - (TURRITELLIDAE) (FOSSIL)
- duthiersi, Murex duthiersi C. Vélain, 1877 - syn of: Ocenebra erinaceus (C. Linnaeus, 1758) - (MURICIDAE)
- duthiersii, Teratobaicalia duthiersii (W. Dybowski, 1875) - (AMNICOLIDAE)
- duthiersii angarensis, Teratobaicalia duthiersii angarensis (W. Dybowski, 1913) - (AMNICOLIDAE)
- duthiersii pachypleura, Teratobaicalia duthiersii pachypleura (W.A. Lindholm, 1924) - (AMNICOLIDAE)
- dutkevitchi, Neocrimites dutkevitchi Pavlov, 1972 † - (ADRIANITIDAE) (FOSSIL)
- dutoiti, Leiopteria dutoiti Harrington, 1955 † - (PTERINEIDAE) (FOSSIL)
- dutrae, Anisancylus dutrae (F.N. Santos, 1994) - (PLANORBIDAE)
- Dutrochus, Genus Dutrochus Blodgett, 1993 (PSEUDOPHORIDAE) (FOSSIL)
- dutrugei, Neithea dutrugei Coquand, 1862 † - (PECTINIDAE) (FOSSIL)
- dutrugei, Rostellaria dutrugei (Coquand, 1862 †) - (ROSTELLARIIDAE) (FOSSIL)
- dutrugei, Pterodonta dutrugei Coquand, 1862 - syn of: Rostellaria dutrugei (Coquand, 1862 †) - (TYLOSTOMATIDAE)
- duttonae, Ledina duttonae (E.H. Vokes †) - (NUCULANIDAE) (FOSSIL)
- duttoni, Tainoceras duttoni A. Hyatt, 1893 † - (TAINOCERATIDAE) (FOSSIL)
- duttoniana, Lithasia duttoniana I. Lea, 1841 - (PLEUROCERIDAE)
- duttonianus, Unio duttonianus I. Lea, 1841 - syn of: Elliptio lanceolata I. Lea, 1827 - (UNIONIDAE)
- duumvirorum, Dyakia duumvirorum F. Haas, 1951 - (DYAKIIDAE)
- duureni, Odostomia duureni J.J. Van Aartsen, E. Gittenberger & J. Goud, 1998 - (PYRAMIDELLIDAE)
- duvalae, Glyptorhagada duvalae G.A. Solem, 1992 - (CAMAENIDAE)
- duvali, Conus duvali A.C. Bernardi, 1862 - syn of: Conasprella pusio (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- duvali, Eotetragonites duvali (A.V.M.D. D'Orbigny †) - (GAUDRYCERATIDAE) (FOSSIL)
- duvali, Turkostrea duvali (Gardner, 1927 †) - (OSTREIDAE) (FOSSIL)
- duvali, Tetragonites duvali (A.V.M.D. D'Orbigny 1840 †) - (TETRAGONITIDAE) (FOSSIL)
- duvali, Mesalia duvali (M. Rouault, 1849 †) - (TURRITELLIDAE) (FOSSIL)
- Duvalia, Genus Duvalia Bayle , 1878 (DUVALIIDAE) (FOSSIL)
- duvaliana, Duvalia duvaliana (A.V.M.D. D'Orbigny, 1842 †) - (DUVALIIDAE) (FOSSIL)
- duvaliana, Redonia duvaliana M. Rouault, 1851 † - syn of: Redonia deshayesii M. Rouault, 1851 † - (REDONIIDAE) (FOSSIL)
- duvalianum, Tonoceras duvalianum A.V.M.D. D'Orbigny, 1842 † - syn of: Emericiceras duvalianum (A.V.M.D. D'Orbigny, 1842 †) - (ANCYLOCERATIDAE) (FOSSIL)
- duvalianum, Pseudocrioceras duvalianum A.V.M.D. D'Orbigny, 1842 † - syn of: Emericiceras duvalianum (A.V.M.D. D'Orbigny, 1842 †) - (ANCYLOCERATIDAE) (FOSSIL)
- duvalianum, Emericiceras duvalianum (A.V.M.D. D'Orbigny, 1842 †) - (EMERICICERATIDAE) (FOSSIL)
- duvalianus, Belemnites duvalianus A.V.M.D. D'Orbigny, 1842 † - syn of: Duvalia duvaliana (A.V.M.D. D'Orbigny, 1842 †) - (BELEMNITELLIDAE) (FOSSIL)
- duvalii, Ampelita duvalii S.A.A. Petit De La Saussaye, 1844 - (ACAVIDAE)
- duvalii, Crioceratites duvalii Léveillé, 1837 † - (CRIOCERATITIDAE) (FOSSIL)
- DUVALIIDAE Pavlow, 1914 - Family (CEPHALOPODA-COLEOIDEA [Subclass]-BELEMNITIDA [Order]) (FOSSIL)
- Duvaucelia, syn of: Genus Tritonia G.L.C.F.D. Cuvier, 1798 (TRITONIIDAE)
- duvaucelii, Uroteuthis duvaucelii (A.V.M.D. D'Orbigny, 1835) - (LOLIGINIDAE)
- duvaucelii, Photololigo duvaucelii (A.V.M.D. D'Orbigny, 1835) - syn of: Uroteuthis duvaucelii (A.V.M.D. D'Orbigny, 1835) - (LOLIGINIDAE)
- DUVAUCELLIDAE - syn of Family: TRITONIIDAE
- duvergieri, Anisodonta duvergieri A.E.M. Cossmann & M.A. Peyrot, 1909 † - (BASTEROTIIDAE) (FOSSIL)
- duvergieri, Acirsa duvergieri M.E.A. de Boury in A.E.M. Cossmann, 1912 † - (EPITONIIDAE) (FOSSIL)
- duvergieri, Atys duvergieri (M.A. Peyrot, 1932 †) - (HAMINOEIDAE) (FOSSIL)
- duvergieri, Mactra nucleiformis duvergieri A.E.M. Cossmann & M.A. Peyrot, 1909 † - (MACTRIDAE) (FOSSIL)
- duvergieri, Mnestia duvergieri M.A. Peyrot, 1932 † - syn of: Atys duvergieri (M.A. Peyrot, 1932 †) - (MNESTIIDAE) (FOSSIL)
- duvergieri, Ocenebra duvergieri A.E.M. Cossmann & M.A. Peyrot, 1923 † - (MURICIDAE) (FOSSIL)
- duvergieri, Nassarius duvergieri M.A. Peyrot, 1924 † - (NASSARIIDAE) (FOSSIL)
- duvergieri, Ostrea duvergieri A.E.M. Cossmann & M.A. Peyrot, 1914 † - (OSTREIDAE) (FOSSIL)
- duvergieri, Ranularia duvergieri A.E.M. Cossmann & M.A. Peyrot, 1923 † - (RANELLIDAE) (FOSSIL)
- duvergieri, Roxania duvergieri M.A. Peyrot, 1932 † - syn of: Atys duvergieri (M.A. Peyrot, 1932 †) - (SCAPHANDRIDAE) (FOSSIL)
- duvergieri, Solariella duvergieri A.E.M. Cossmann & M.A. Peyrot, 1916 † - (SOLARIELLIDAE) (FOSSIL)
- duvergieri, Rotostoma duvergieri (A.E.M. Cossmann & M.A. Peyrot, 1917 †) - (TORNIDAE) (FOSSIL)
- duvergieri, Parvirota duvergieri A.E.M. Cossmann & M.A. Peyrot, 1917 † - syn of: Rotostoma duvergieri (A.E.M. Cossmann & M.A. Peyrot, 1917 †) - (TORNIDAE) (FOSSIL)
- duvergieri, Pitar duvergieri A.E.M. Cossmann & M.A. Peyrot, 1910 † - (VENERIDAE) (FOSSIL)
- duveyrieri, Melanopsis duveyrieri J.R. Bourguignat, 1887 - (MELANOPSIDAE)
- duveyrierianus, Meladomus duveyrierianus Revoil, 1885 - syn of: Lanistes carinatus (G.A. Olivier, 1801) - (AMPULLARIIDAE)
- duwelzi, Pecten duwelzi P. Nyst, 1861 † - (PECTINIDAE) (FOSSIL)
- dux, Architeuthis dux J.J.S. Steenstrup, 1857 - (ARCHITEUTHIDAE)
- dux, Bothriembryon dux (L. Pfeiffer, 1861) - (BOTHRIEMBRYONTIDAE)
- dux, Bulimus dux L. Pfeiffer, 1861 - syn of: Bothriembryon dux (L. Pfeiffer, 1861) - (BULIMULIDAE)
- dux, Caecum dux L. de Folin, 1871 - syn of: Caecum floridanum W. Stimpson, 1851 - (CAECIDAE)
- dux, Herilla bosniensis dux H. Nordsieck, 1974 - (CLAUSILIIDAE)
- dux, Conus dux C.H. Hwass in J.G. Bruguière, 1792 - syn of: Pionoconus circumcisus (I. von Born, 1778) - (CONIDAE)
- dux, Conus dux P.F. Röding, 1798 - syn of: Strategoconus maldivus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- dux, Suecoceras dux Holm † - (ENDOCERATIDAE) (FOSSIL)
- dux, Bolloceras dux (Barrande, 1877 †) - (NOTHOCERATIDAE) (FOSSIL)
- dux, Phragmoceras dux Barrande, 1877 † - syn of: Bolloceras dux (Barrande, 1877 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- dux, Chrysallida dux (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- dux, Rissoina dux (C.F. Laseron, 1956) - (RISSOINIDAE)
- dux, Polonoceras dux Becker, 1993 † - (TORNOCERATIDAE) (FOSSIL)
- Dux, Genus Dux Barrande, 1881 (VLASTIDAE) (FOSSIL)
- duyconi, Camaena duyconi Thach & F. Huber, 2017 - (CAMAENIDAE)
- Duyeina, Genus Duyeina Vermeulen, 2005 (ANAHAMULINIDAE) (FOSSIL)
- duyenae, Chicoreus duyenae Thach, 2016 - (MURICIDAE)
- dvalii, Mytilus dvalii L. Krishtofovich, 1969 † - syn of: Mytilus edulis C. Linnaeus, 1758 - (MYTILIDAE) (FOSSIL)
- dvalii, Tivela dvalii L. Krishtofovich, 1947 † - (VENERIDAE) (FOSSIL)
- dvalii, Portlandia dvalii L. Krishtofovich, 1984 † - syn of: Portlandella nitida (Slodkewitsch, 1936 †) - (YOLDIIDAE) (FOSSIL)
- dvitija, Ryssota dvitija (C.G. Semper, 1866) - (CHRONIDAE)
- dvoriadkini, Lymnaea dvoriadkini N.D. Kruglov & Y.I. Starobogatov, 1984 - (LYMNAEIDAE)
- dwanikana, Laevitrigonia dwanikana L.R. Cox, 1965 † - (LAEVITRIGONIIDAE) (FOSSIL)
- dwarakii, Cremnoconchus dwarakii D.G. Reid, N.A. Aravind & N.A. Madhyastha, 2013 - (LITTORINIDAE)
- dwarkaensis, Crassostrea gryphoides dwarkaensis C. Li, Haws, Wang & H. Guo, 2017 - (OSTREIDAE)
- dwightii, Partulina dwightii (W. Newcomb, 1855) - (ACHATINELLIDAE)
- dwightii, Amastra dwightii C.M. Cooke, 1933 - (AMASTRIDAE)
- dwightii compta, Partulina dwightii compta W.H. Pease, 1869 - (ACHATINELLIDAE)
- dwightii concomitans, Partulina dwightii concomitans A. Hyatt, 1912 - (ACHATINELLIDAE)
- dwightii mucida, Partulina dwightii mucida D.D. Baldwin, 1895 - (ACHATINELLIDAE)
- dwightii mucida macrodon, Partulina dwightii mucida macrodon (F. Borcherding, 1901) - (ACHATINELLIDAE)
- dwightii occidentalis, Partulina dwightii occidentalis H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- Dwightoceras, Genus Dwightoceras Ulrich & Foerste, 1936 (BASSLEROCERATIDAE) (FOSSIL)
- dwyeri, Georgina dwyeri B. Wade, 1977 † - (GEORGINIDAE) (FOSSIL)
- dyadicus, Basleonautilus dyadicus (Haniel, 1915 †) - (AKTUBONAUTILIDAE) (FOSSIL)
- dyakana, Microcystis dyakana (H.H. Godwin-Austen, 1891) - (EUCONULIDAE)
- Dyakia, Genus Dyakia H.H. Godwin-Austen, 1891 (DYAKIIDAE)
- DYAKIIDAE Gude & B.B. Woodward, 1921 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-PULMONATA [Infraclass]-STYLOMMATOPHORA [Order]-DYAKIOIDEA [Superfamily])
- dyakorum, Corbicula dyakorum A. Issel, 1874 - syn of: Corbicula pullata (R.A. Philippi, 1851) - (CYRENIDAE)
- Dyasma, syn of: Genus Dyasmya Morris, Dickins & Astafieva-Urbaitis, 1991 (SANGUINOLITIDAE) (FOSSIL)
- Dyasmya, Genus Dyasmya Morris, Dickins & Astafieva-Urbaitis, 1991 (SANGUINOLITIDAE) (FOSSIL)
- dybowkskiana, Baicalia dybowkskiana W.A. Lindholm, 1909 - (AMNICOLIDAE)
- Dybowskia, syn of: Subgenus Baicalia (Dybowskiola) W.A. Lindholm, 1913 (AMNICOLIDAE)
- dybowskiana, Baicalia dybowskiana C. Lidholm, 1909 - (AMNICOLIDAE)
- dybowskiana carinatoides, Baicalia dybowskiana carinatoides Kozhov, 1936 - (AMNICOLIDAE)
- dybowskiana freytagi, Baicalia dybowskiana freytagi Kozhov, 1936 - (AMNICOLIDAE)
- dybowskiana lindholmi, Baicalia dybowskiana lindholmi W. Dybowski & J.G. Grochmalicki, 1914 - syn of: Baicalia dybowskiana C. Lidholm, 1909 - (AMNICOLIDAE)
- dybowskianus, Achoanomphalus dybowskianus W.A. Lindholm, 1909 - syn of: Choanomphalus anomphalus W. Dybowski, 1901 - (PLANORBIDAE)
- dybowskianus parvus, Choanomphalus dybowskianus parvus Kozhov, 1936 - syn of: Choanomphalus parvus (Kozhov, 1936) - (PLANORBIDAE)
- dybowskii, Pseudancylastrum dybowskii (S. Clessin, 1882) - (ACROLOXIDAE)
- dybowskii, Caspia dybowskii Š. Brusina, 1892 † - (HYDROBIIDAE) (FOSSIL)
- dybowskii, Andrusovia dybowskii Š. Brusina in C.A. Westerlund, 1903 - (HYDROBIIDAE)
- dybowskii, Pyrgula dybowskii (W. Polinski, 1929) - (HYDROBIIDAE)
- dybowskii, Sphaerium dybowskii W.A. Lindholm, 1909 - (SPHAERIIDAE)
- dybowskii, Baicalipisidium dybowskii Z.V. Slugina & al., 1994 - syn of: Pisidium raddei (W. Dybowski, 1902) - (SPHAERIIDAE)
- dybowskii laricensis, Ancylus dybowskii laricensis W. Dybowski, 1913 - syn of: Baicalancylus laricensis (W. Dybowski, 1913) - (PLANORBIDAE)
- Dybowskiola, Subgenus Baicalia (Dybowskiola) W.A. Lindholm, 1913 (AMNICOLIDAE)
- dybuys, Drymaeus dybuys L. Pfeiffer, 1853 - (BULIMULIDAE)
- Dycheia, Genus Dycheia Pojeta & Derby, 2007 (DYCHEIIDAE) (FOSSIL)
- DYCHEIIDAE Pojeta & al., 2010 - Family (POLYPLACOPHORA-) (FOSSIL)
- Dyctidiopsis, syn of: Genus Leachia C.A. Lesueur, 1821 (CRANCHIIDAE)
- dydima, Andraea dubia dydima F.J. Schmidt, 1847 - (CLAUSILIIDAE)
- dydmia, Natica dydmia J.F. Bolten, 1798 † - (NATICIDAE) (FOSSIL)
- dyeri, Phragmolites dyeri (J.W. Hall, 1872 †) - (BUCANIIDAE) (FOSSIL)
- dyeri, Conradella dyeri J.W. Hall, 1872 † - syn of: Phragmolites dyeri (J.W. Hall, 1872 †) - (BUCANIIDAE) (FOSSIL)
- dyeri, Neocyclotus dysoni dyeri (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dyeri, Orthonybyoceras dyeri (Miller, 1875 †) - (PROTEOCERATIDAE) (FOSSIL)
- dyeri, Delos dyeri (W.F. Petterd, 1879) - (RHYTIDIDAE)
- Dyeria, Subgenus Cyclonema (Dyeria) Ulrich & Scofield, 1897 (PLATYCERATIDAE) (FOSSIL)
- dyeriana, Cassidula dyeriana J.E. Tenison-Woods, 1876 - syn of: Cassidula zonata H. Adams & A. Adams, 1855 - (ELLOBIIDAE)
- dyeriana, Fluvidona dyeriana W.F. Petterd, 1879 - syn of: Austropyrgus dyerianus (W.F. Petterd, 1879) - (HYDROBIIDAE)
- dyerianus, Austropyrgus dyerianus (W.F. Petterd, 1879) - (HYDROBIIDAE)
- dyganum, Pomatias dyganum J.F. Mabille, 1886 - (POMATIIDAE)
- dykei, Leptochiton dykei J.D. Sigwart & B.I. Sirenko, 2012 - (LEPTOCHITONIDAE)
- dykei, Potadoma freethi dykei G.C. Spence, 1925 - (PACHYCHILIDAE)
- dyma, Odostomia dyma J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- Dymares, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- dymczewiczi, Agriolimax dymczewiczi (J. Kaleniczenko, 1851) - (AGRIOLIMACIDAE)
- dymczewiczi, Agriolimax dymczewiczi H.R. Simroth, 1885 - syn of: Plathystimulus tauricus (H.R. Simroth, 1885) - (AGRIOLIMACIDAE)
- dymczewiczi, Agriolimax dymczewiczi H.R. Simroth, 1901 - syn of: Deroceras caucasicum (H.R. Simroth, 1901) - (AGRIOLIMACIDAE)
- dymy, Euglesa dymy A. Stadnichenko, 1980 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- Dynatoceras, Genus Dynatoceras Zhuravleva, 1972 (DISCOSORIDA (UNASSIGNED)) (FOSSIL)
- dyodon, Charpentieria dyodon (S.E. Studer, 1820) - (CLAUSILIIDAE)
- dyodon emeria, Charpentieria dyodon emeria (J.R. Bourguignat, 1877) - (CLAUSILIIDAE)
- dyodon paulucciana, Charpentieria dyodon paulucciana (C. Pollonera, 1885) - (CLAUSILIIDAE)
- dyodon studeri, Charpentieria dyodon studeri (N. Pini, 1884) - (CLAUSILIIDAE)
- dyodon thomasiana, Charpentieria dyodon thomasiana (H.C. Küster, 1850) - (CLAUSILIIDAE)
- Dyodonta, syn of: Genus Fusulus L.I. Fitzinger, 1833 (CLAUSILIIDAE)
- Dyolia, Genus Dyolia La Perna & Ragaini, 2008 (NUCULANIDAE) (FOSSIL)
- dyoniseus, Cuphosolenus dyoniseus Buvignier, 1852 † - (APORRHAIDAE) (FOSSIL)
- Dypsas, syn of: Genus Cristaria H.C.F. Schumacher, 1817 (UNIONIDAE)
- Dyraspis, Genus Dyraspis T. Iredale, 1949 (CONIDAE)
- Dyris, Genus Dyris T.A. Conrad, 1871 (COCHLIOPIDAE)
- dysbatus, Amphithalamus dysbatus H.A. Pilsbry & J.T.L. McGinty, 1949 - syn of: Floridiscrobs dysbatus (H.A. Pilsbry & J.T.L. McGinty, 1949) - (ANABATHRIDAE)
- dysbatus, Floridiscrobs dysbatus (H.A. Pilsbry & J.T.L. McGinty, 1949) - (HYDROBIIDAE)
- Dyscheiloceras, Genus Dyscheiloceras Schmidt, 1922 (CHEILOCERATIDAE) (FOSSIL)
- dyscrita, Poirieria foliacea dyscrita A.E.M. Cossmann, 1889 - (MURICIDAE)
- dyscrita, Thesbia dyscrita (R.B. Watson, 1881) - (RAPHITOMIDAE)
- dyscrita, Rissoina dyscrita M.J. Faber, 1990 - (RISSOINIDAE)
- dyscrita, Alcithoe dyscrita Finlay, 1926 † - (VOLUTIDAE) (FOSSIL)
- Dyscritoceras, Genus Dyscritoceras Ulrich & Foerste, 1936 (BASSLEROCERATIDAE) (FOSSIL)
- dyscritos, Exomilus dyscritos (J.C. Verco, 1906) - (RAPHITOMIDAE)
- dysera, Chione dysera (C. Linnaeus, 1758) - (VENERIDAE)
- dysera, Venus dysera C. Linnaeus, 1758 - syn of: Chione dysera (C. Linnaeus, 1758) - (VENERIDAE)
- dysera, Venus dysera J.F. Gmelin, 1791 - syn of: Chione cancellata (C. Linnaeus, 1767) - (VENERIDAE)
- Dysmea, Genus Dysmea W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (PSAMMOBIIDAE)
- Dysmedoma, Subgenus Allogona (Dysmedoma) Pilsbry, 1939 (POLYGYRIDAE)
- Dysmedona, Subgenus Allogona (Dysmedona) H.A. Pilsbry, 1939 (POLYGYRIDAE)
- dysnoeta, Eulima dysnoeta P. Dautzenberg & H. Fischer, 1896 - (EULIMIDAE)
- Dysnoetopla, Genus Dysnoetopla Liu, 1987 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Dysnomia, Genus Dysnomia A.E.R. Agassiz, 1852 (UNIONIDAE)
- Dysodonta, Genus Dysodonta Mansuy, 1913 (MALLETIIDAE) (FOSSIL)
- Dysondonta, syn of: Genus Dysodonta Mansuy, 1913 (MALLETIIDAE) (FOSSIL)
- dysoni, Pomacea flagellata dysoni (S.C.T. Hanley, 1854) - (AMPULLARIIDAE)
- dysoni, Bulimulus dysoni L. Pfeiffer, 1846 - (BULIMULIDAE)
- dysoni, Columbella dysoni L.A. Reeve, 1859 - (COLUMBELLIDAE)
- dysoni, Donax dysoni G.P. Deshayes, 1854 - (DONACIDAE)
- dysoni, Diodora dysoni (L.A. Reeve, 1850) - (FISSURELLIDAE)
- dysoni, Helix dysoni R.J. Shuttleworth, 1852 - syn of: Polygyra dysoni (R.J. Shuttleworth, 1852) - (HELICIDAE)
- dysoni, Mactra dysoni L.A. Reeve, 1854 - syn of: Mactra eburnea R.A. Philippi, 1849 - (MACTRIDAE)
- dysoni, Tenaturris dysoni (L.A. Reeve, 1846) - (MANGELIIDAE)
- dysoni, Mangelia dysoni L.A. Reeve, 1846 - syn of: Tenaturris dysoni (L.A. Reeve, 1846) - (MANGELIIDAE)
- dysoni, Neocyclotus dysoni (L. Pfeiffer, 1851) - (NEOCYCLOTIDAE)
- dysoni, Polygyra dysoni (R.J. Shuttleworth, 1852) - (POLYGYRIDAE)
- dysoni, Cyclostoma dysoni L. Pfeiffer, 1851 - syn of: Neocyclotus dysoni (L. Pfeiffer, 1851) - (POMATIIDAE)
- dysoni, Crassispira dysoni (L.A. Reeve, 1846) - (PSEUDOMELATOMIDAE)
- dysoni, Streptostyla dysoni (L. Pfeiffer, 1846) - (SPIRAXIDAE)
- dysoni, Pleurotoma dysoni L.A. Reeve, 1846 - syn of: Crassispira dysoni (L.A. Reeve, 1846) - (TURRIDAE)
- dysoni, Campeloma dysoni (L.A. Reeve, 1846) - (VIVIPARIDAE)
- dysoni affinis, Neocyclotus dysoni affinis (E.C. Von Martens, 1890) - (NEOCYCLOTIDAE)
- dysoni ambiguus, Neocyclotus dysoni ambiguus (E.C. Von Martens, 1890) - (NEOCYCLOTIDAE)
- dysoni aureus, Neocyclotus dysoni aureus (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni berendti, Neocyclotus dysoni berendti (L. Pfeiffer, 1861) - (NEOCYCLOTIDAE)
- dysoni bocourti, Helicina dysoni bocourti J.C.H. Crosse & P.H. Fischer, 1869 - syn of: Oxyrhombus bocourti (J.C.H. Crosse & P.H. Fischer, 1869) - (HELICINIDAE)
- dysoni cookei, Neocyclotus dysoni cookei (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni dyeri, Neocyclotus dysoni dyeri (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni hinkleyi, Neocyclotus dysoni hinkleyi (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni jansoni, Helicina dysoni jansoni E.C. Von Martens, 1890 - syn of: Oxyrhombus bocourti (J.C.H. Crosse & P.H. Fischer, 1869) - (HELICINIDAE)
- dysoni minor, Neocyclotus dysoni minor E.C. Von Martens - syn of: Neocyclotus dysoni sallei (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni multilineatus, Cyclotus dysoni multilineatus H.A. Pilsbry, 1891 - syn of: Neocyclotus dysoni berendti (L. Pfeiffer, 1861) - (CYCLOPHORIDAE)
- dysoni nicaraguensis, Neocyclotus dysoni nicaraguensis (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni ruatanensus, Neocyclotus dysoni ruatanensus (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni sallei, Neocyclotus dysoni sallei (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni sumichrasti, Neocyclotus dysoni sumichrasti (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoni valerioi, Neocyclotus dysoni valerioi (P. Bartsch & J.P.E. Morrison, 1942) - (NEOCYCLOTIDAE)
- dysoniana, Fadyenia dysoniana (E. Chitty, 1857) - (HELICINIDAE)
- dysonii, Nephronaias dysonii (I. Lea, 1859) - (UNIONIDAE)
- Dysopeas, Subgenus Pseudopeas (Dysopeas) F.C. Baker, 1927 (SUBULINIDAE)
- dysorata, Truncatellina dysorata (J.C. Melvill & J.H. Ponsonby, 1893) - (VERTIGINIDAE)
- dysoristus, Tornus dysoristus P. Lozouet, 1998 † - (TORNIDAE) (FOSSIL)
- dyspetes, Amalda dyspetes (T. Iredale, 1924) - (ANCILLARIIDAE)
- Dystactella, Genus Dystactella Hall & Whitfield, 1872 (CTENODONTIDAE) (FOSSIL)
- dystherata, Macroptychia dystherata (C.F. Jickeli, 1874) - (CLAUSILIIDAE)
- Dystylodoris, Genus Dystylodoris N.H. Odhner, 1959 (DISCODORIDIDAE)
- dzeginense, Parapopanoceras dzeginense Voinova, 1947 † - (PARAPOPANOCERATIDAE) (FOSSIL)
- dzepiensis, Illyricella dzepiensis T.A. Neubauer, O. Mandic & M. Harzhauser, 2016 † - (HYDROBIIDAE) (FOSSIL)
- dzhagadzurensis, Pleuronautilus dzhagadzurensis Zakharov, 1989 † - (TAINOCERATIDAE) (FOSSIL)
- dzhalairensis, Carotites dzhalairensis P.A. Zhuravleva, 1972 † - syn of: Carotites procerus P.A. Zhuravleva, 1972 † - (DISCOSORIDA (unassigned)) (FOSSIL)
- Dzhaprakoceras, Genus Dzhaprakoceras Popov , 1965 (MAXIGONIATITIDAE) (FOSSIL)
- dzharailensis, Carotites dzharailensis P.A. Zhuravleva, 1972 † - syn of: Carotites procerus P.A. Zhuravleva, 1972 † - (DISCOSORIDA (unassigned)) (FOSSIL)
- dzheroiensis, Limacina dzheroiensis (A.W. Janssen, 2011 †) - (LIMACINIDAE) (FOSSIL)
- Dzhinsetoceras, Genus Dzhinsetoceras Zhuravleva, 1978 (NAUTILIDA (UNASSIGNED)) (FOSSIL)
- dzhulfensis, Pleuronautilus dzhulfensis Shimansky, 1965 † - (TAINOCERATIDAE) (FOSSIL)
- Dzhulfites, Genus Dzhulfites Shevyrev , 1965 (DZHULFITIDAE) (FOSSIL)
- DZHULFITIDAE Shevyrev, 1965 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-XENODISCOIDEA [Superfamily]) (FOSSIL)
- Dzhulfoceras, Genus Dzhulfoceras Ruzhencev , 1962 (ARAXOCERATIDAE) (FOSSIL)
- Dzikella, Genus Dzikella Kaim, 2004 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- dziki, Erratothilda dziki A. Kaim, 2004 † - (MATHILDIDAE) (FOSSIL)
- dziki, Zebina dziki A. Kaim, 2004 † - (ZEBINIDAE) (FOSSIL)
- dzikowiecensis, Linguaclymenia dzikowiecensis W. Korn & J. Price, 1987 † - (KOSMOCLYMENIIDAE) (FOSSIL)
- dzirana, Xerosecta dzirana (P.M. Pallary, 1919) - (HYGROMIIDAE)
- Dzungaria, Subgenus Ponsadenia (Dzungaria) Schileyko, 2004 (BRADYBAENIDAE)
- e, Eoschizodus e Johnston 1993 † - (EOSCHIZODIDAE) (FOSSIL)
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