- ducae, Camaena ducae Thach, 2017 - (CAMAENIDAE)
- ducalis, Camaena cicatricosa ducalis (O.F. Müller, 1774) - (CAMAENIDAE)
- ducalis, Megalophaedusa ducalis (W. Kobelt, 1876) - (CLAUSILIIDAE)
- ducalis, Corbicula ducalis T. Prime, 1860 - (CYRENIDAE)
- ducalis, Epitonium ducalis O.A.L. Mörch, 1875 - syn of: Epitonium albidum (A.V.M.D. D'Orbigny, 1842) - (EPITONIIDAE)
- ducalis, Murex ducalis W.J. Broderip & G.B. I Sowerby, 1829 - syn of: Hexaplex brassica (J.B.P.A. Lamarck, 1822) - (MURICIDAE)
- ducalis, Turbonilla ducalis K.H.J. Thiele, 1925 - (PYRAMIDELLIDAE)
- ducalis, Spondylus ducalis P.F. Röding, 1798 - syn of: Spondylus sinensis K. Schreibers, 1793 - (SPONDYLIDAE)
- ducalis, Gemmula ducalis (K.H.J. Thiele, 1925) - (TURRIDAE)
- ducalis, Tapes ducalis A. Römer, 1870 - syn of: Venerupis philippinarum (A. Adams & L.A. Reeve, 1850) - (VENERIDAE)
- ducalis, Melo ducalis J.B.P.A. Lamarck, 1811 - syn of: Melo umbilicatus W.J. Broderip in G.B. I Sowerby, 1826 - (VOLUTIDAE)
- ducalis b, Spondylus ducalis b J.B.P.A. Lamarck, 1819 - syn of: Spondylus lamarckii J.C. Chenu, 1845 - (SPONDYLIDAE)
- ducalis rex, Megalophaedusa ducalis rex H.A. Pilsbry, 1905 - (CLAUSILIIDAE)
- ducani, Helix ducani C.M.D.E. Legrand, 1871 - syn of: Stenacapha hamiltoni (J.C. Cox, 1868) - (HELICIDAE)
- ducatelii, Modiolus ducatelii T.A. Conrad, 1840 † - (MYTILIDAE) (FOSSIL)
- ducatelli, Mercenaria ducatelli T.A. Conrad, 1838 † - (VENERIDAE) (FOSSIL)
- ducatellii, Modiolus ducatellii T.A. Conrad, 1840 † - (MYTILIDAE) (FOSSIL)
- ducati, Valvata ducati D. Esu & O. Girotti, 2015 - (VALVATIDAE)
- ducenticostatus, Batequeus ducenticostatus G.B. Campbell, 1995 † - (PECTINIDAE) (FOSSIL)
- duchassaingi, Jouannetia duchassaingi P. Fischer, 1862 - (PHOLADIDAE)
- duchasteli, Barbatia duchasteli (G.P. Deshayes, 1829 †) - (ARCIDAE) (FOSSIL)
- duchasteli, Fusiturris duchasteli (P. Nyst, 1836 †) - (CLAVATULIDAE) (FOSSIL)
- duchasteli, Neritina duchasteli J.B.P.A. Lamarck, 1828 † - syn of: Vitta picta (A.E.J. Férussac, 1825 †) - (NERITIDAE) (FOSSIL)
- duchasteli, Nystia duchasteli (P. Nyst, 1836 †) - (TRUNCATELLIDAE) (FOSSIL)
- duchasteli, Turris duchasteli P. Nyst, 1836 † - (TURRIDAE) (FOSSIL)
- duchasteli flexiplicata, Fusiturris duchasteli flexiplicata (F. Kautsky, 1925 †) - (CLAVATULIDAE) (FOSSIL)
- duchastelii, Sinuitina duchastelii (Léveillé, 1835 †) - (TROPIDODISCIDAE) (FOSSIL)
- duchieri, Paludina duchieri H. Fischer, 1898 - (VIVIPARIDAE)
- duci, Oospira duci Maasen & Gittenberger, 2007 - (CLAUSILIIDAE)
- duci, Oospira duci W.J.M. Maassen & E. Gittenberger, 2007 - (CLAUSILIIDAE)
- duci khanhi, Oospira duci khanhi H. Nordsieck, 2011 - (CLAUSILIIDAE)
- duci pentaptychia, Oospira duci pentaptychia H. Nordsieck, 2016 - (CLAUSILIIDAE)
- duci tetraptychia, Oospira duci tetraptychia H. Nordsieck, 2016 - (CLAUSILIIDAE)
- duckei, Corona duckei H.F.A. von Ihering, 1915 - (ORTHALICIDAE)
- duclerci, Unio duclerci A. de Rochebrune, 1882 - syn of: Chamberlainia hainesiana (I. Lea, 1856) - (UNIONIDAE)
- duclosi, Oliva duclosi L.A. Reeve, 1850 - syn of: Oliva jaspidea duclosi L.A. Reeve, 1850 - (OLIVIDAE)
- duclosi, Oliva jaspidea duclosi L.A. Reeve, 1850 - (OLIVIDAE)
- duclosi, Rissoina duclosi R.P. Montrouzier, 1866 - (RISSOINIDAE)
- duclosiana, Plagioptycha duclosiana (A.E.J. Férussac, 1832) - (CEPOLIDAE)
- duclosiana, Pseudanachis duclosiana (G.B. II Sowerby, 1844) - (COLUMBELLIDAE)
- duclosiana, Columbella duclosiana D'Orbigny, 1845 - syn of: Astyris lunata (T. Say, 1826) - (COLUMBELLIDAE)
- duclosiana, Pustularia duclosiana B. de Basterot, 1825 † - syn of: Jenneria duclosiana (B. de Basterot, 1825 †) - (CYPRAEIDAE) (FOSSIL)
- duclosiana, Cypropterina duclosiana B. de Basterot, 1825 † - syn of: Jenneria duclosiana (B. de Basterot, 1825 †) - (EOCYPRAEIDAE) (FOSSIL)
- duclosiana, Oliva duclosiana J.C. Jay, 1850 - syn of: Oliva jaspidea P.L. Duclos, 1835 - (OLIVIDAE)
- duclosiana, Jenneria duclosiana (B. de Basterot, 1825 †) - (PEDICULARIIDAE) (FOSSIL)
- duclosiana, Cypraeotrivia duclosiana B. de Basterot, 1825 † - syn of: Jenneria duclosiana (B. de Basterot, 1825 †) - (PEDICULARIIDAE) (FOSSIL)
- duclosiana basedowi, Pseudanachis duclosiana basedowi (C. Hedley, 1918) - (COLUMBELLIDAE)
- duclosiana sulcicauda, Jenneria duclosiana sulcicauda G. Bonelli † - (PEDICULARIIDAE) (FOSSIL)
- ducomi, Mactra ducomi A.E.M. Cossmann & M.A. Peyrot, 1909 † - (MACTRIDAE) (FOSSIL)
- ducosensis, Iniforis ducosensis (F.P. Jousseaume, 1884) - (TRIPHORIDAE)
- ducosensis major, Mastonia ducosensis major F.P. Jousseaume, 1884 - syn of: Iniforis ducosensis (F.P. Jousseaume, 1884) - (TRIPHORIDAE)
- ducosensis minor, Mastonia ducosensis minor F.P. Jousseaume, 1884 - syn of: Iniforis ducosensis (F.P. Jousseaume, 1884) - (TRIPHORIDAE)
- ducosi, Melanopsis ducosi P.M. Pallary, 1916 - (MELANOPSIDAE)
- ducphuongi, Conus ducphuongi Thach, 2017 - (CONIDAE)
- ducrosi, Cratena ducrosi J.J. Risbec, 1928 - (FACELINIDAE)
- ductaspiralis, Pyrgulina ductaspiralis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- Ductoconus, Genus Ductoconus A.J. Da Motta, 1991 (CONIDAE)
- Ductosiphoneria, syn of: Genus Siphonaria G.B. Sowerby, 1823 (SIPHONARIIDAE)
- dudariensis, Cryptoconus priscus dudariensis (Strausz, 1966 †) - (CONIDAE) (FOSSIL)
- dudariensis, Cryptochorda dudariensis Strausz, 1966 † - (HARPIDAE) (FOSSIL)
- dudariensis, Nucellopsis dudariensis (Strausz, 1966 †) - (MURICIDAE) (FOSSIL)
- duddelyei, Lirastrombina duddelyei (R.F. Rutsch, 1942 †) - (COLUMBELLIDAE) (FOSSIL)
- Dudichia, syn of: Genus Daudebardia Hertmann, 1821 (OXYCHILIDAE)
- dudkai, Dendronotus dudkai Ekimova, Schepetov & al., 2016 - syn of: Dendronotus primorjensis A.V. Martynov, N. Sanamyan & T.A. Korshunova, 2015 - (DENDRONOTIDAE)
- dudleyense, Loxonema perneri dudleyense Longstaff, 1909 † - (LOXONEMATIDAE) (FOSSIL)
- dudleyensis, Murchisonia dudleyensis J. Donald, 1902 † - (MURCHISONIIDAE) (FOSSIL)
- dudresnayi, Deweveria dudresnayi Guex & al., 2005 † - (HEMILECANITIDAE) (FOSSIL)
- Dudresnayiceras, Genus Dudresnayiceras Rakus , 1994 † (TULITIDAE) (FOSSIL)
- dudressieri, Xipheroceras dudressieri A.V.M.D. D'Orbigny, 1845 † - (EODEROCERATIDAE) (FOSSIL)
- duebenii, Anidolyta duebenii (S.L. Lovén, 1846) - (TYLODINIDAE)
- duebenii, Tylodina duebenii S.L. Lovén, 1846 - syn of: Anidolyta duebenii (S.L. Lovén, 1846) - (TYLODINIDAE)
- duella, Dautzenbergiella duella (J.F. Mabille, 1887) - (CLAUSILIIDAE)
- duella apiostoma, Dautzenbergiella duella apiostoma (O.F. von Möllendorff, 1901) - (CLAUSILIIDAE)
- duella lyteostoma, Dautzenbergiella duella lyteostoma (O.F. von Möllendorff, 1901) - (CLAUSILIIDAE)
- duelmensis, Ammonites duelmensis Schluter, 1872 † - syn of: Pachydiscus duelmensis (Schluter, 1872 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- duelmensis, Pachydiscus duelmensis (Schluter, 1872 †) - (DESMOCERATIDAE) (FOSSIL)
- duenasensis, Planorbis duenasensis H.B. Tristram, 1861 - syn of: Fossulorbis cultratum duenasianum (H.B. Tristram, 1861) - (PLANORBIDAE)
- duenasianum, Fossulorbis cultratum duenasianum (H.B. Tristram, 1861) - (PLANORBIDAE)
- duerdeni, Jupiteria duerdeni W.P. Woodring, 1925 † - (NUCULANIDAE) (FOSSIL)
- duerfeldi, Mojsisoviczia duerfeldi Steinmann, 1881 † - syn of: Mojsisoviczia ventanillensis (W.M. Gabb, 1877 †) - (BRANCOCERATIDAE) (FOSSIL)
- Duerleyoceras, Genus Duerleyoceras Turner, 1954 † (RUTOCERATIDAE) (FOSSIL)
- duerri, Ptychosalpinx duerri E.J. Petuch, 1994 † - (BUCCINIDAE) (FOSSIL)
- duerri, Busycon duerri E.J. Petuch, 1994 † - (BUSYCONIDAE) (FOSSIL)
- duerri, Leptoconus duerri E.J. Petuch, 1994 - syn of: Conasprella delessertii (C.A. Récluz, 1843) - (CONIDAE)
- duerri, Calusacypraea duerri E.J. Petuch, 1996 † - (CYPRAEIDAE) (FOSSIL)
- duerri, Chicoreus duerri E.J. Petuch, 1994 † - (MURICIDAE) (FOSSIL)
- duerri, Oliva duerri E.J. Petuch, 1994 † - (OLIVIDAE) (FOSSIL)
- duerri, Cerithidea duerri E.J. Petuch, 1994 † - (POTAMIDIDAE) (FOSSIL)
- duesmensis, Trochulus duesmensis É.A.A. Locard - syn of: Trichia plebeia (J.P.R. Draparnaud, 1805) - (HYGROMIIDAE)
- dufesnei, Mitra dufesnei B. de Basterot, 1825 † - (MITRIDAE) (FOSSIL)
- duffieldi, Cerithium duffieldi T. Iredale, 1929 - syn of: Cerithium coralium (L.C. Kiener, 1841) - (CERITHIIDAE)
- duffieldi, Clypeomorus duffieldi T. Iredale, 1929 - syn of: Cerithium coralium (L.C. Kiener, 1841) - (CERITHIIDAE)
- duffusi, Pterochelus duffusi T. Iredale, 1936 - (MURICIDAE)
- duffyi, Tenorioconus duffyi (E.J. Petuch, 1992) - (CONIDAE)
- duffyi, Tenorioconus duffyi E.J. Petuch, 1992 - syn of: Tenorioconus duffyi (E.J. Petuch, 1992) - (CONIDAE)
- duffyi, Dolicholatirus duffyi E.J. Petuch, 1992 - syn of: Teralatirus funebris (H.B. Preston, 1907) - (FASCIOLARIIDAE)
- duffyi, Muricopsis duffyi E.J. Petuch, 1992 - syn of: Murexsul huberti (G.E. Radwin & D'Attilio, 1976) - (MURICIDAE)
- dufoei, Echinochiton dufoei Pojeta & al., 2003 † - (ECHINOCHITONIDAE) (FOSSIL)
- Dufoichaena, Genus Dufoichaena F.P. Jousseaume in É. Lamy, 1925 (GASTROCHAENIDAE)
- dufouri, Architectonica dufouri Vasseur, 1881 † - (ARCHITECTONICIDAE) (FOSSIL)
- dufouri, Belosepia dufouri Vasseur, 1881 † - (BELOSAEPIIDAE) (FOSSIL)
- dufouri, Sveltia dufouri (J.P.S. Grateloup, 1832 †) - (CANCELLARIIDAE) (FOSSIL)
- dufouri, Cardium dufouri A.E.M. Cossmann, 1905 † - (CARDIIDAE) (FOSSIL)
- dufourii, Abida dufourii D. Dupuy, 1850 - syn of: Abida cylindrica (A. Michaud, 1829) - (CHONDRINIDAE)
- dufourii, Melanopsis dufourii (A.E.J. Férussac, 1823) - (MELANOPSIDAE)
- dufourii, Planorbarius dufourii (M.de la Paz Graells, 1846) - (PLANORBIDAE)
- dufourii elata, Melanopsis dufourii elata A. Issel, 1866 - (MELANOPSIDAE)
- dufourii etrusca, Melanopsis dufourii etrusca A. Brot, 1862 - syn of: Melanopsis etrusca A. Brot, 1862 - (MELANOPSIDAE)
- dufourii stricta, Melanopsis dufourii stricta P.M. Pallary, 1924 - (MELANOPSIDAE)
- dufourii subfusiformis, Melanopsis dufourii subfusiformis J.P.S. Grateloup, 1838 † - (MELANOPSIDAE) (FOSSIL)
- dufrenoii, Goniatites dufrenoii Klipstein, 1843 † - (GONIATITIDAE) (FOSSIL)
- Dufrenoya, Genus Dufrenoya Chatin, 1860 † (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- dufrenoyca, Protocardia dufrenoyca Buvignier, 1852 † - (CARDIIDAE) (FOSSIL)
- dufrenoyi, Dufrenoya dufrenoyi d'Orbigny, 1840 † - syn of: Dufrenoyia dufrenoyi (A.V.M.D. D'Orbigny, 1840 †) - (AMMONOIDEA (unassigned)) (FOSSIL)
- dufrenoyi, Cardinia dufrenoyi (A.V.M.D. D'Orbigny, 1850 †) - (CARDINIIDAE) (FOSSIL)
- dufrenoyi, Dufrenoyia dufrenoyi (A.V.M.D. D'Orbigny, 1840 †) - (DESHAYESITIDAE) (FOSSIL)
- dufrenoyi, Jaton dufrenoyi J.P.S. Grateloup, 1840 † - (MURICIDAE) (FOSSIL)
- dufrenoyi lurensis, Dufrenoyia dufrenoyi lurensis (Kilian, 1888 †) - (DESHAYESITIDAE) (FOSSIL)
- Dufrenoyia, Genus Dufrenoyia Kilian & Reboul, 1915 † (DESHAYESITIDAE) (FOSSIL)
- dufrenoyie, Venericardia dufrenoyie Archiac & Haime, 1854 † - (CARDITIDAE) (FOSSIL)
- dufresnei, Melanella dufresnei T.E. Bowdich, 1832 - syn of: Melanella dufresnii T.E. Bowdich, 1832 - (EULIMIDAE)
- dufresnei, Hydroginella dufresnei F. Boyer, 2015 - (MARGINELLIDAE)
- dufresnei, Mitra dufresnei B. de Basterot, 1825 † - (MITRIDAE) (FOSSIL)
- dufresnei, Strephona dufresnei (B. de Basterot, 1825 †) - (OLIVIDAE) (FOSSIL)
- dufresnei, Taranidaphne dufresnei M. Morassi & A. Bonfitto, 2001 - (RAPHITOMIDAE)
- dufresnei, Zidona dufresnei (E. Donovan, 1823) - (VOLUTIDAE)
- dufresnei affinis, Zidona dufresnei affinis F. Lahille, 1895 - (VOLUTIDAE)
- dufresnei distincta, Zidona dufresnei distincta (F. Lahille, 1895) - (VOLUTIDAE)
- dufresnei subelongata, Mitra dufresnei subelongata Orbigny, 1852 † - (MITRIDAE) (FOSSIL)
- dufresnei typica, Zidona dufresnei typica F. Lahille, 1895 - (VOLUTIDAE)
- dufresneyi, Zidona dufresneyi E. Donovan, 1823 - syn of: Zidona dufresnei (E. Donovan, 1823) - (VOLUTIDAE)
- dufresnii, Caryodes dufresnii (W.E. Leach, 1815) - (CARYODIDAE)
- dufresnii, Melanella dufresnii T.E. Bowdich, 1832 - (EULIMIDAE)
- dufresnii, Melanopsis dufresnii G.P. Deshayes, 1825 † - (MELANOPSIDAE) (FOSSIL)
- dufresnii, Pseudobellardia dufresnii (A.E.M. Cossmann, 1889 †) - (PACHYCHILIDAE) (FOSSIL)
- dufresnii dertra, Caryodes dufresnii dertra T. Iredale, 1937 - (CARYODIDAE)
- dufresnii superior, Caryodes dufresnii superior T. Iredale, 1937 - (CARYODIDAE)
- dufresnoyi, Ceratia dufresnoyi (C. des Moulins, 1868 †) - (IRAVADIIDAE) (FOSSIL)
- dugasti, Sarika dugasti (L.J. Morlet, 1891) - (ARIOPHANTIDAE)
- dugasti, Camaena dugasti (L.J. Morlet, 1892) - (CAMAENIDAE)
- dugasti, Perrottetia dugasti (L.J. Morlet, 1892) - (STREPTAXIDAE)
- dugasti, Melania dugasti L.J. Morlet, 1893 - syn of: Brotia dautzenbergiana (L.J. Morlet, 1884) - (THIARIDAE)
- dugasti, Unio dugasti L.J. Morlet, 1892 - syn of: Ensidens sagittarius (I. Lea, 1856) - (UNIONIDAE)
- dugesiana, Tryonia dugesiana (J.P.E. Morrison, 1945) - (COCHLIOPIDAE)
- Dugiana, Subgenus Delima (Dugiana) V. Stamol & R. Slapnik 2002 (CLAUSILIIDAE)
- duhemi, Sportella duhemi H.K. Jordan, 1936 - syn of: Fabella stearnsii (W.H. Dall, 1899) - (SPORTELLIDAE)
- duibianense, Acaroceras duibianense B.Z. Li, 1984 † - (ACAROCERATIDAE) (FOSSIL)
- duibianense, Anhuiceras duibianense B.Z. Li, 1984 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- duibianensis, Bambusoceras duibianensis (B.Z. Li, 1984 †) - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- duibianensis, Zhuibianoceras duibianensis B.Z. Li, 1984 † - (ELLESMEROCERIDA (UNASSIGNED)) (FOSSIL)
- duiensis, Karaftohelix duiensis (C.A. Westerlund, 1897) - (BRADYBAENIDAE)
- duilii, Borsonia duilii A. De Gregorio, 1880 † - (BORSONIIDAE) (FOSSIL)
- duilii, Nautilus duilii C. Gemmellaro, 1886 † - syn of: Pseudaganides duilii (C. Gemmellaro, 1886 †) - (NAUTILIDAE) (FOSSIL)
- duilii, Pseudaganides duilii (C. Gemmellaro, 1886 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- dujardin, Ammonites dujardin Schluter, 1867 † - syn of: Placenticeras bidorsatum (F.A. Roemer, 1841 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- dujardini, Conus dujardini G.P. Deshayes, 1845 † - (CONIDAE) (FOSSIL)
- dujardini, Zonaria dujardini Schilder, 1932 † - (CYPRAEIDAE) (FOSSIL)
- dujardini, Lima dujardini G.P. Deshayes, 1832 † - (LIMIDAE) (FOSSIL)
- dujardini, Mitra dujardini P.L.J. Ivolas & M.A. Peyrot, 1900 † - (MITRIDAE) (FOSSIL)
- dujardini, Murex dujardini J.R. Tournouër, 1875 † - syn of: Triplex foliosus L.M.D. Bellardi, 1873 † - (MURICIDAE) (FOSSIL)
- dujardini, Nassarius dujardini (G.P. Deshayes, 1844 †) - (NASSARIIDAE) (FOSSIL)
- dujardini, Pholas dujardini C. Mayer, 1858 † - (PHOLADIDAE) (FOSSIL)
- dujardini, Venus dujardini R. Hoernes, 1862 † - (VENERIDAE) (FOSSIL)
- dujardini edlaueri, Nassarius dujardini edlaueri (BeerBistricky, 1957 †) - (NASSARIIDAE) (FOSSIL)
- dujardini exaquitanicus, Chicoreus dujardini exaquitanicus A.E.M. Cossmann & M.A. Peyrot, 1923 - syn of: Triplex foliosus exaquitanicus A.E.M. Cossmann & M.A. Peyrot, 1923 - (MURICIDAE)
- dujardinoides, Chicoreus dujardinoides E.H. Vokes, 1963 † - (MURICIDAE) (FOSSIL)
- dukagini, Paragoceras dukagini Arthaber, 1911 † - syn of: Arnautoceltites mediterraneus (Arthaber, 1911 †) - (PARAGOCERATIDAE) (FOSSIL)
- dukenfieldi, Bulimulus dukenfieldi J.C. Melvill, 1900 - syn of: Thaumastus dukinfieldi (J.C. Melvill, 1900) - (BULIMULIDAE)
- dukinfieldi, Bulimulus dukinfieldi J.C. Melvill, 1900 - syn of: Thaumastus dukinfieldi (J.C. Melvill, 1900) - (BULIMULIDAE)
- dukinfieldi, Thaumastus dukinfieldi (J.C. Melvill, 1900) - (MEGASPIRIDAE)
- dulacki, Parabalea parcecostata dulacki J. Grego & M. Szekeres, 2008 - (CLAUSILIIDAE)
- dulaii, Nodicoeloceras dulaii Kovács, 2014 † - (DACTYLIOCERATIDAE) (FOSSIL)
- dulanense, Anagymnotoceras dulanense Wang & C. Chen, 1979 † - (BEYRICHITIDAE) (FOSSIL)
- dulcemariae, Volvarina dulcemariae J. Espinosa & J.A. Ortea, 1998 - (MARGINELLIDAE)
- dulcensis, Sinumelon dulcensis G.A. Solem, 1993 - (CAMAENIDAE)
- dulcensis, Cochliopina dulcensis (W.B. Marshall, 1920) - (COCHLIOPIDAE)
- Dulcerana, syn of: Genus Bursa P.F. Röding, 1798 (BURSIDAE)
- Dulcerana, syn of: Genus Bursa P.F. Röding, 1798 (BURSIDAE)
- Dulcina, Genus Dulcina R. von Cosel & P. Bouchet, 2008 (LUCINIDAE)
- dulcinea, Mexicardia dulcinea W.H. Dall, 1916 - syn of: Mexicardia procerum (G.B. I Sowerby, 1833) - (CARDIIDAE)
- dulcinea, Anacithara dulcinea (J.C. Melvill & R. Standen, 1895) - (HORAICLAVIDAE)
- dulcinea, Lucinoma dulcinea R. von Cosel & P. Bouchet, 2008 - (LUCINIDAE)
- dulcinea, Mangelia dulcinea J.C. Melvill & R. Standen, 1895 - syn of: Anacithara dulcinea (J.C. Melvill & R. Standen, 1895) - (MANGELIIDAE)
- Dulcineaia, Genus Dulcineaia Babin & Gutiérrez, 1991 † (MODIOMORPHIDA (UNASSIGNED)) (FOSSIL)
- dulcinella, Opacuincola dulcinella M. Haase, 2008 - (TATEIDAE)
- dulcis, Acmaea dulcis (J.B.P.A. Lamarck, 1802 †) - (ACMAEIDAE) (FOSSIL)
- dulcis, Acteocina dulcis M. Yokoyama, 1927 † - syn of: Acteocina koyasensis (M. Yokoyama, 1927 †) - (ACTEOCINIDAE) (FOSSIL)
- dulcis, Leptachatina dulcis C.M. Cooke, 1911 - (AMASTRIDAE)
- dulcis, Sitala dulcis E.A. Smith, 1895 - syn of: Kaliella micula (A. Mousson, 1857) - (ARIOPHANTIDAE)
- dulcis, Filodrillia dulcis (G.B. III Sowerby, 1896) - (BORSONIIDAE)
- dulcis, Ganesella tanegashimae dulcis H.A. Pilsbry, 1901 - (CAMAENIDAE)
- dulcis, Fulvia dulcis (G.P. Deshayes, 1863) - (CARDIIDAE)
- dulcis, Cardiomya dulcis H.A. Pilsbry & H.N. Lowe, 1932 - syn of: Cardiomya costata (G.B. I Sowerby, 1834) - (CUSPIDARIIDAE)
- dulcis, Cylichna dulcis K.H.J. Thiele, 1925 - (CYLICHNIDAE)
- dulcis, Tornatina dulcis M. Yokoyama, 1927 † - syn of: Acteocina koyasensis (M. Yokoyama, 1927 †) - (CYLICHNIDAE) (FOSSIL)
- dulcis, Gibberula dulcis (E.A. Smith, 1904) - (CYSTISCIDAE)
- dulcis, Drillia dulcis J.C. Verco, 1909 - syn of: Filodrillia dulcis (G.B. III Sowerby, 1896) - (DRILLIIDAE)
- dulcis, Bekkochlamys dulcis (H.A. Pilsbry, 1902) - (HELICARIONIDAE)
- dulcis, Antimargarita dulcis (E.A. Smith, 1907) - (MARGARITIDAE)
- dulcis, Margarites dulcis E.A. Smith, 1907 - syn of: Antimargarita dulcis (E.A. Smith, 1907) - (MARGARITIDAE)
- dulcis, Valvatella dulcis E.A. Smith, 1907 - syn of: Antimargarita dulcis (E.A. Smith, 1907) - (MARGARITIDAE)
- dulcis, Glabaris dulcis H.F.A. von Ihering, 1910 - syn of: Anodontites trapesialis (J.B.P.A. Lamarck, 1818) - (MYCETOPODIDAE)
- dulcis, Bullia dulcis G.B. III Sowerby, 1921 - syn of: Bullia digitalis (L.W. Dillwyn, 1817) - (NASSARIIDAE)
- dulcis, Oriostoma dulcis J. Perner, 1903 † - (ORIOSTOMATIDAE) (FOSSIL)
- dulcis, Odostomia dulcis W.H. Turton, 1932 - syn of: Odostomia gittenbergeri J.J. Van Aartsen & J.X. Corgan, 1996 - (PYRAMIDELLIDAE)
- dulcis, Daphnella dulcis G.B. III Sowerby, 1896 - syn of: Filodrillia dulcis (G.B. III Sowerby, 1896) - (RAPHITOMIDAE)
- dulcis, Vitellidelos dulcis (T. Iredale, 1938) - (RHYTIDIDAE)
- dulcis, Leiostracus pileiformis dulcis H.F.A. von Ihering, 1912 - (SIMPULOPSIDAE)
- dulcis, Microceramus dulcis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- dulcissima, Chloritis dulcissima (E.A. Smith, 1898) - (CAMAENIDAE)
- dulcissima, Helicarion dulcissima T. Iredale, 1944 - (HELICARIONIDAE)
- dulcissima, Solariella dulcissima H.B. Preston, 1908 - (SOLARIELLIDAE)
- dulgalakhensis, Aphanaia dulgalakhensis Biakov, 2011 † - (ATOMODESMATIDAE) (FOSSIL)
- dulkeitiana, Pseudopotomida dulkeitiana I.M. Moskvicheva & Y.I. Starobogatov, 1973 - syn of: Inversidens pantoensis (M. von Neumayr, 1899) - (UNIONIDAE)
- dullai, Hemitissotia dullai (Karrenberg, 1935 †) - (VASCOCERATIDAE) (FOSSIL)
- Dulunomya, Genus Dulunomya Astafieva-Urbajtis & Dickins, 1984 † (PHOLADOMYOIDEA (UNASSIGNED)) (FOSSIL)
- dulvertonensis, Fluvidona dulvertonensis J.E. Tenison-Woods, 1876 - (HYDROBIIDAE)
- dulvertonensis, Pisidium dulvertonensis J.E. Tenison-Woods, 1876 - syn of: Pisidium tasmanicum J.E. Tenison-Woods, 1876 - (SPHAERIIDAE)
- dumaliensis, Pseudotrivia dumaliensis C.N. Cate, 1979 - syn of: Niveria nix (F.A. Schilder, 1922) - (TRIVIIDAE)
- dumalis, Phos dumalis (R.A. Philippi, 1851) - (NASSARIIDAE)
- dumartroyi, Partula dumartroyi L.F.A. Souleyet - syn of: Auriculella auricula (A.E.J. Férussac, 1821) - (PARTULIDAE)
- Dumasella, Genus Dumasella Cossmann, 1901 † (ELACHISINIDAE) (FOSSIL)
- dumasensis, Volutomorpha dumasensis W.H. Dall, 1907 † - (PHOLIDOTOMIDAE) (FOSSIL)
- dumasensis, Amuletum dumasensis N.F. Sohl, 1964 † - (TURRIDAE) (FOSSIL)
- dumasi, Cordieria dumasi A.E.M. Cossmann, 1896 † - (BORSONIIDAE) (FOSSIL)
- dumasi, Benoistia dumasi (A.E.M. Cossmann, 1898 †) - (BRACHYTREMATIDAE) (FOSSIL)
- dumasi, Cantharus excisus dumasi A.E.M. Cossmann, 1919 † - (BUCCINIDAE) (FOSSIL)
- dumasi, Semicassis dumasi A.E.M. Cossmann & M.A. Peyrot, 1824 † - syn of: Semicassis grateloupi (G.P. Deshayes, 1850 †) - (CASSIDAE) (FOSSIL)
- dumasi, Plicobulla dumasi A.E.M. Cossmann, 1895 † - (CEPHALASPIDA (UNASSIGNED)) (FOSSIL)
- dumasi, Cerithium dumasi A.E.M. Cossmann, 1897 † - (CERITHIIDAE) (FOSSIL)
- dumasi, Turricula dumasi (A.E.M. Cossmann, 1898 †) - (CLAVATULIDAE) (FOSSIL)
- dumasi, Hemiconus dumasi A.E.M. Cossmann & G. Pissarro † - (CONIDAE) (FOSSIL)
- dumasi, Cuspidaria dumasi A.E.M. Cossmann & M.A. Peyrot † - (CUSPIDARIIDAE) (FOSSIL)
- dumasi, Dentalium dumasi (A.E.M. Cossmann & M.A. Peyrot, 1916 †) - (DENTALIIDAE) (FOSSIL)
- dumasi, Teleostoma dumasi A.E.M. Cossmann, 1898 † - (DIASTOMATIDAE) (FOSSIL)
- dumasi, Donax dumasi A.E.M. Cossmann, 1906 † - (DONACIDAE) (FOSSIL)
- dumasi, Drillia dumasi A.E.M. Cossmann, 1919 † - (DRILLIIDAE) (FOSSIL)
- dumasi, Niso dumasi A.E.M. Cossmann, 1903 † - (EULIMIDAE) (FOSSIL)
- dumasi, Lima dumasi A.E.M. Cossmann, 1904 † - (LIMIDAE) (FOSSIL)
- dumasi, Phacoides dumasi A.E.M. Cossmann, 1905 † - (LUCINIDAE) (FOSSIL)
- dumasi, Melongena dumasi A.E.M. Cossmann, 1897 † - (MELONGENIDAE) (FOSSIL)
- dumasi, Mitra dumasi A.E.M. Cossmann, 1896 † - (MITRIDAE) (FOSSIL)
- dumasi, Paratrophon dumasi (C. Vélain, 1877) - (MURICIDAE)
- dumasi, Purpura dumasi C. Vélain, 1877 - syn of: Paratrophon dumasi (C. Vélain, 1877) - (MURICIDAE)
- dumasi, Specula dumasi A. Cecalupo & I. Perugia, 2013 - (NEWTONIELLIDAE)
- dumasi, Trinacria dumasi A.E.M. Cossmann, 1904 † - (NOETIIDAE) (FOSSIL)
- dumasi, Martesia dumasi A.E.M. Cossmann, 1906 † - (PHOLADIDAE) (FOSSIL)
- dumasi, Xenocheilus dumasi (Pictet, 1867 †) - (PSEUDONAUTILIDAE) (FOSSIL)
- dumasi, Odostomia dumasi A.E.M. Cossmann, 1903 † - (PYRAMIDELLIDAE) (FOSSIL)
- dumasi, Rissoa dumasi Cossmann, 1899 † - (RISSOIDAE) (FOSSIL)
- dumasi, Trochus dumasi A.E.M. Cossmann, 1903 † - (TROCHIDAE) (FOSSIL)
- dumasi, Turritella dumasi A.E.M. Cossmann, 1899 † - (TURRITELLIDAE) (FOSSIL)
- dumasi, Meretrix dumasi A.E.M. Cossmann, 1905 † - (VENERIDAE) (FOSSIL)
- dumasi, Mitreola dumasi A.E.M. Cossmann, 1896 † - syn of: Eovoluta lajoyi (G.P. Deshayes, 1835 †) - (VOLUTOMITRIDAE) (FOSSIL)
- dumasi cincta, Purpura dumasi cincta C. Vélain, 1877 - syn of: Paratrophon dumasi (C. Vélain, 1877) - (MURICIDAE)
- dumasi multistriata, Purpura dumasi multistriata C. Vélain, 1877 - syn of: Paratrophon dumasi (C. Vélain, 1877) - (MURICIDAE)
- dumasi semicostata, Purpura dumasi semicostata C. Vélain, 1877 - syn of: Paratrophon dumasi (C. Vélain, 1877) - (MURICIDAE)
- dumasiana, Nicklesia dumasiana (A.V.M.D. D'Orbigny, 1840 †) - (PULCHELLIIDAE) (FOSSIL)
- dumasii, Pecten dumasii B.C.M. Payraudeau, 1826 - syn of: Pseudamussium clavatum dumasii (B.C.M. Payraudeau, 1826) - (PECTINIDAE)
- dumasii, Pseudamussium clavatum dumasii (B.C.M. Payraudeau, 1826) - (PECTINIDAE)
- dumbauldi, Terebra dumbauldi G.D. Hanna & L.G. Hertlein, 1961 - syn of: Terebra robusta R.B. Hinds, 1844 - (TEREBRIDAE)
- dumbeensis, Melanopsis dumbeensis J.C.H. Crosse, 1869 - syn of: Melanopsis frustulum P.M.A. Morelet, 1857 - (MELANOPSIDAE)
- dumblei, Lyropecten dumblei Gardner, 1945 † - (PECTINIDAE) (FOSSIL)
- dumblei, Palmerella dumblei (G.F. Harris, 1895 †) - (TURRITELLIDAE) (FOSSIL)
- dumbli, Metengonoceras dumbli (Cragin, 1893 †) - (ENGONOCERATIDAE) (FOSSIL)
- dumbli, Epengonoceras dumbli Cragin, 1893 † - syn of: Metengonoceras dumbli (Cragin, 1893 †) - (ENGONOCERATIDAE) (FOSSIL)
- dumbli, Stenopoceras dumbli (A. Hyatt, 1891 †) - (GRYPOCERATIDAE) (FOSSIL)
- dumbo, Siphopteron dumbo Ong & Gosliner, 2017 - (GASTROPTERIDAE)
- dumerili, Trochus dumerili A. Risso, 1826 - syn of: Jujubinus exasperatus (T. Pennant, 1777) - (TROCHIDAE)
- dumerilii, Trichocyclus dumerilii J.F. von Eschscholtz, 1825 - syn of: Clione limacina (C.J. Phipps, 1774) - (CLIONIDAE)
- dumerilli, Spongiobranchaea dumerilli S. Woodward, 1854 - syn of: Spongiobranchaea australis (A.V.M.D. D'Orbigny, 1834) - (PNEUMODERMATIDAE)
- dumesnilianus, Unio dumesnilianus Charmes, 1885 - syn of: Coelatura ratidota (Charmes, 1885) - (UNIONIDAE)
- dumetosus, Fusus dumetosus R. Tate, 1888 † - (FASCIOLARIIDAE) (FOSSIL)
- duminyi, Delphinula duminyi E. Réquien, 1848 - syn of: Circulus striatus W.M. Gabb, 1873 - (ANGARIIDAE)
- duminyi, Circulus duminyi Requiem, 1842 - syn of: Circulus striatus W.M. Gabb, 1873 - (TORNIDAE)
- duminyi, Venus duminyi E. Réquien, 1848 - syn of: Clausinella fasciata (E.M. Da Costa, 1778) - (VENERIDAE)
- Dumitricaceras, Subgenus Eodanubites (Dumitricaceras) Guex & al., 2005 † (DANUBITIDAE) (FOSSIL)
- dumitricai, Angulaticeras dumitricai Guex, 1995 † - (SCHLOTHEIMIIDAE) (FOSSIL)
- dumontdurvilli, Fluviopupa dumontdurvilli S. Zielske & M. Haase, 2014 - (HYDROBIIDAE)
- dumonti, Discotectonica dumonti (P. Nyst, 1845 ) - (ARCHITECTONICIDAE)
- dumonti, Waagenella dumonti (A.E.J. Férussac & A.V.M.D. D'Orbigny, 1840 †) - (BELLEROPHONTIDAE) (FOSSIL)
- dumonti, Helicostyla dumonti L. Pfeiffer, 1846 - (BRADYBAENIDAE)
- dumortieri, Aplysia dumortieri F.J. Cantraine, 1840 - syn of: Aplysia punctata (G.L.C.F.D. Cuvier, 1803) - (APLYSIIDAE)
- dumortieri, Dicroloma dumortieri (L.É.S. Piette, 1864 †) - (APORRHAIDAE) (FOSSIL)
- dumortieri, Spinigera dumortieri L.É.S. Piette, 1891 † - syn of: Spiniloma dumortieri (L.É.S. Piette, 1891 †) - (APORRHAIDAE) (FOSSIL)
- dumortieri, Coroniceras dumortieri (Guerin & Franiatte, 1966 †) - (ARIETITIDAE) (FOSSIL)
- dumortieri, Catacoeloceras dumortieri de Brun, 1932 † - (DACTYLIOCERATIDAE) (FOSSIL)
- dumortieri, Duvalia dumortieri (Oppel, 1865 †) - (DUVALIIDAE) (FOSSIL)
- dumortieri, Gryphaea dumortieri Joly, 1907 † - (GRYPHAEIDAE) (FOSSIL)
- dumortieri, Hammatoceras dumortieri Prinz, 1904 † - syn of: Bredyia subinsignis (Oppel, 1856 †) - (HAMMATOCERATIDAE) (FOSSIL)
- dumortieri, Catulloceras dumortieri Tholliere, 1874 † - (HILDOCERATIDAE) (FOSSIL)
- dumortieri, Pseudolioceras dumortieri S.S. Buckman, 1904 † - syn of: Pseudolioceras lythense (A.T. Young & Bird, 1828 †) - (HILDOCERATIDAE) (FOSSIL)
- dumortieri, Theodoxus dumortieri (C.F. Fontannes, 1878 †) - (NERITIDAE) (FOSSIL)
- dumortieri, Neritopsis dumortieri L.F. Conti & Szabó, 1989 † - (NERITOPSIDAE) (FOSSIL)
- dumortieri, Haugia dumortieri (Buckman, 1890 †) - (PHYMATOCERATIDAE) (FOSSIL)
- dumortieri, Horiopleura dumortieri Matheron † - (POLYCONITIDAE) (FOSSIL)
- dumortieri, Sassia dumortieri (A.A. Baudon, 1853 †) - (RANELLIDAE) (FOSSIL)
- dumortieri, Spiniloma dumortieri (L.É.S. Piette, 1891 †) - (SPINILOMATIDAE) (FOSSIL)
- Dumortieria, Genus Dumortieria Benecke, 1905 † (HILDOCERATIDAE) (FOSSIL)
- dumosa, Crepidula dumosa T.A. Conrad, 1834 † - (CALYPTRAEIDAE) (FOSSIL)
- dumosa, Morula dumosa T.A. Conrad, 1837 - syn of: Habromorula lepida (R. Houart, 1995) - (MURICIDAE)
- dumosa, Lapparia dumosa (T.A. Conrad, 1854 †) - (VOLUTIDAE) (FOSSIL)
- dumosiforme, Spinyplatyceras dumosiforme (E.F.R.K. Koken, 1889 †) - (PLATYCERATIDAE) (FOSSIL)
- dumosum, Granocardium dumosum T.A. Conrad, 1870 † - (CARDIIDAE) (FOSSIL)
- dumosum, Spinyplatyceras dumosum (T.A. Conrad, 1840 †) - (PLATYCERATIDAE) (FOSSIL)
- dumosum pileum, Spinyplatyceras dumosum pileum (Kindle, 1900 †) - (PLATYCERATIDAE) (FOSSIL)
- dumosum rarispinum, Spinyplatyceras dumosum rarispinum (J.W. Hall, 1859 †) - (PLATYCERATIDAE) (FOSSIL)
- dumosus, Murex dumosus C. De Stefani, 1875 † - syn of: Hexaplex brevicanthos E. Sismonda, 1847 † - (MURICIDAE) (FOSSIL)
- dumosus, Spondylus dumosus Morton, 1834 † - (SPONDYLIDAE) (FOSSIL)
- dunajensis, Shigetaceras dunajensis (Zakharov, 1968 †) - (GALFETTITIDAE) (FOSSIL)
- dunajensis, Hemiprionites dunajensis Zakharov, 1968 † - syn of: Shigetaceras dunajensis (Zakharov, 1968 †) - (PRIONITIDAE) (FOSSIL)
- dunalina, Belgrandia dunalina (A. Moquin-Tandon, 1856) - (HYDROBIIDAE)
- dunar, Nerita dunar C.A. Récluz, 1850 - syn of: Nerita senegalensis J.F. Gmelin, 1791 - (NERITIDAE)
- Dunbarella, Genus Dunbarella Newell, 1938 † (PTERINOPECTINIDAE) (FOSSIL)
- dunbari, Neocrimites dunbari Miller & Furnish 1940 † - (ADRIANITIDAE) (FOSSIL)
- dunbari, Pseudovidrioceras dunbari (Miller & Furnish, 1940 †) - (MARATHONITIDAE) (FOSSIL)
- dunbari, Pseudozygopleura dunbari Knight, 1930 † - syn of: Pseudozygopleura plummeri Knight, 1930 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- dunbari, Thyasira dunbari I. Lubinsky, 1976 - (THYASIRIDAE)
- dunbari, Peritrochia dunbari Miller & Furnish, 1940 † - syn of: Pseudovidrioceras dunbari (Miller & Furnish, 1940 †) - (VIDRIOCERATIDAE) (FOSSIL)
- Dunbarites, Genus Dunbarites Miller & Furnish, 1940 † (ADRIANITIDAE) (FOSSIL)
- duncana, Calloplax duncana (W.H. Dall, 1919) - (CALLISTOPLACIDAE)
- duncana, Chaetopleura duncana W.H. Dall, 1919 - syn of: Calloplax duncana (W.H. Dall, 1919) - (CHAETOPLEURIDAE)
- duncanense, Hoplocrioceras duncanense Anderson, 1938 † - (ACRIOCERATIDAE) (FOSSIL)
- duncanensis, Lyropecten duncanensis W.C. Mansfield, 1934 † - (PECTINIDAE) (FOSSIL)
- duncani, Astarte duncani Tawney, 1866 † - (ASTARTIDAE) (FOSSIL)
- duncani, Kosmoceras duncani Sowerby, 1816 † - (KOSMOCERATIDAE) (FOSSIL)
- duncani, Alvania duncani Y. Finet, 1994 ex P. Bartsch MS - (RISSOIDAE)
- duncanus, Naesiotus duncanus W.H. Dall, 1893 - (BULIMULIDAE)
- duncombei, Paralaoma duncombei T. Iredale, 1945 - (PUNCTIDAE)
- duncombensis, Penescosta duncombensis T. Iredale, 1945 - (CHAROPIDAE)
- dundriensis, Emileia dundriensis Callomon & Chandler, 2006 † - (OTOITIDAE) (FOSSIL)
- dundriensis, Pinna dundriensis Whidborne † - (PINNIDAE) (FOSSIL)
- dundryi, Beaniceras dundryi Buckman, 1926 † - (LIPAROCERATIDAE) (FOSSIL)
- Dundryites, Genus Dundryites Buckman, 1926 † (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- dunedinensis, Nucula dunedinensis H.J. Finlay, 1928 - (NUCULIDAE)
- dunedinensis, Turbonilla dunedinensis (C.R. Laws, 1937) - (PYRAMIDELLIDAE)
- dunedinensis, Coelotrochus chathamensis dunedinensis (H.H. Suter, 1897) - (TROCHIDAE)
- dunedini, Rissoina dunedini A.W. Grabau & S.G. King, 1928 - (RISSOINIDAE)
- Dunedinites, Genus Dunedinites Tozer , 1963 † (PROPTYCHITIDAE) (FOSSIL)
- dunelmensis, Tellina dunelmensis Howse, 1848 † - (TELLINIDAE) (FOSSIL)
- dunensis, Raspailites dunensis (Prieser, 1937 †) - (ASPIDOCERATIDAE) (FOSSIL)
- Dunga, syn of: Genus Eubranchus E. Forbes, 1838 (EUBRANCHIDAE)
- dunhevedensis, Epiwocklumeria dunhevedensis Selwood, 1960 † - (WOCKLUMERIIDAE) (FOSSIL)
- dunii, Burriera dunii C.F. Laseron, 1910 † - (BIVALVIA INCERTAE SEDIS) (FOSSIL)
- dunjana, Liburnica dunjana (H. Knipper, 1941) - (HELICIDAE)
- dunkeri, Scurriopsis dunkeri (A.V.M.D. D'Orbigny, 1847 †) - (ACMAEIDAE) (FOSSIL)
- dunkeri, Stellaxis dunkeri (K. Martin, 1879 †) - (ARCHITECTONICIDAE) (FOSSIL)
- dunkeri, Architectonica dunkeri S.C.T. Hanley, 1862 - syn of: Architectonica perdix R.B. Hinds, 1844 - (ARCHITECTONICIDAE)
- dunkeri, Cinysca dunkeri (R.A. Philippi, 1852) - (ARENEIDAE)
- dunkeri, Bithynia dunkeri G.P.L.K. Gude, 1913 † - (BITHYNIIDAE) (FOSSIL)
- dunkeri, Buccinum dunkeri H.C. Küster, 1858 - syn of: Burnupena catarrhacta dunkeri (H.C. Küster, 1858) - (BUCCINIDAE)
- dunkeri, Burnupena catarrhacta dunkeri (H.C. Küster, 1858) - (BUCCINIDAE)
- dunkeri, Drymaeus dunkeri (L. Pfeiffer, 1846) - (BULIMULIDAE)
- dunkeri, Bursa dunkeri T. Kira, 1962 - syn of: Bursa bufonia dunkeri T. Kira, 1962 - (BURSIDAE)
- dunkeri, Bursa bufonia dunkeri T. Kira, 1962 - (BURSIDAE)
- dunkeri, Bythinella dunkeri G.R. von Frauenfeld, 1856 - (BYTHINELLIDAE)
- dunkeri, Bentosites bloomfieldi dunkeri (J.C. Cox, 1864) - (CAMAENIDAE)
- dunkeri, Megalacron spadicea dunkeri (C.E. Lischke, 1912) - (CAMAENIDAE)
- dunkeri, Chama dunkeri C.E. Lischke, 1870 - (CHAMIDAE)
- dunkeri, Clymenia dunkeri Münster, 1839 † - syn of: Protoxyclymenia dunkeri (Münster, 1839 †) - (CLYMENIIDAE) (FOSSIL)
- dunkeri, Mitrella dunkeri G.W. Tryon, 1883 - syn of: Mitrella bicincta (A.A. Gould, 1860) - (COLUMBELLIDAE)
- dunkeri, Columbella dunkeri G.W. Tryon, 1883 - syn of: Mitrella bicincta (A.A. Gould, 1860) - (COLUMBELLIDAE)
- dunkeri, Cryptoconus dunkeri (A. von Koenen, 1807 †) - (CONIDAE) (FOSSIL)
- dunkeri, Vexillum dunkeri C.F. Jickeli, 1874 - syn of: Vexillum deshayesii (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- dunkeri, Vexillum dunkeri J.D.E. Schmeltz, 1869 - syn of: Vexillum deshayesii (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- dunkeri, Drillia dunkeri (H.C. Weinkauff, 1876) - (DRILLIIDAE)
- dunkeri, Drillia dunkeri J. Knudsen, 1952 - syn of: Drillia knudseni D.L. Tippett, 2006 - (DRILLIIDAE)
- dunkeri, Auriculastra dunkeri L. Pfeiffer, 1853 - syn of: Auriculastra subula (J.R.C. Quoy & J.P. Gaimard, 1832) - (ELLOBIIDAE)
- dunkeri, Epitonium dunkeri P. Nyst, 1882 - syn of: Epitonium perangustum (M.E.A. de Boury, 1913) - (EPITONIIDAE)
- dunkeri, Opalia dunkeri M.E.A. de Boury, 1889 - syn of: Opalia pumilio (O.A.L. Mörch, 1875) - (EPITONIIDAE)
- dunkeri, Eucyclus dunkeri (G.A. Goldfuss, 1844 †) - (EUCYCLIDAE) (FOSSIL)
- dunkeri, Microcolus dunkeri (I.H. Jonas, 1846) - (FASCIOLARIIDAE)
- dunkeri, Kilburnia dunkeri (H. Strebel, 1911) - (FASCIOLARIIDAE)
- dunkeri, Fusus dunkeri Müller, 1851 - syn of: Helicaulax stenoptera (G.A. Goldfuss, 1844 †) - (FASCIOLARIIDAE)
- dunkeri, Glycymeris dunkeri Boettger, 1883 † - (GLYCYMERIDIDAE) (FOSSIL)
- dunkeri, Morum dunkeri Speyer, 1862 † - (HARPIDAE) (FOSSIL)
- dunkeri, Pleuropoma dunkeri (J. Zelebor) - (HELICINIDAE)
- dunkeri, Protoxyclymenia dunkeri (Münster, 1839 †) - (KOSMOCLYMENIIDAE) (FOSSIL)
- dunkeri, Lima dunkeri E.A. Smith, 1885 - syn of: Ctenoides lischkei (É. Lamy, 1930) - (LIMIDAE)
- dunkeri, Ctenoides dunkeri E.A. Smith, 1885 - syn of: Ctenoides lischkei (É. Lamy, 1930) - (LIMIDAE)
- dunkeri, Cyclostrema dunkeri G.W. Tryon, 1888 - (LIOTIIDAE)
- dunkeri, Mactra dunkeri M. Yokoyama, 1922 - syn of: Spisula sachalinensis (L. von Schrenck, 1862) - (MACTRIDAE)
- dunkeri, Malletia dunkeri E.A. Smith, 1885 - (MALLETIIDAE)
- dunkeri, Mangelia dunkeri J.T. Kuroda, 1961 - (MANGELIIDAE)
- dunkeri, Volvarina dunkeri (C.F.F. von Krauss, 1848) - (MARGINELLIDAE)
- dunkeri, Mitra dunkeri C.F. Jickeli, 1874 - syn of: Vexillum fidicula (A.A. Gould, 1850) - (MITRIDAE)
- dunkeri, Vaughtia dunkeri (C.F.F. von Krauss, 1848) - (MURICIDAE)
- dunkeri, Latiaxis dunkeri J.T. Kuroda & T. Habe, 1961 - syn of: Babelomurex finchii (H.C. Fulton, 1930) - (MURICIDAE)
- dunkeri, Brachidontes dunkeri M. Huber, 2015 - (MYTILIDAE)
- dunkeri, Mytilus dunkeri G.F. Angas, 1867 - syn of: Mytilus planulatus J.B.P.A. Lamarck, 1819 - (MYTILIDAE)
- dunkeri, Mytilus dunkeri L.A. Reeve, 1857 - syn of: Crenomytilus grayanus (R.W. Dunker, 1853) - (MYTILIDAE)
- dunkeri, Incidostoma dunkeri L. Pfeiffer - (NEOCYCLOTIDAE)
- dunkeri, Helcion dunkeri (C.F.F. von Krauss, 1848) - (PATELLIDAE)
- dunkeri, Tricolia dunkeri G.P. Deshayes, 1863 † - (PHASIANELLIDAE) (FOSSIL)
- dunkeri, Chondropoma unilabiatum dunkeri (R. Arango in L. Pfeiffer, 1866) - (POMATIIDAE)
- dunkeri, Isognomon dunkeri (P. Fischer, 1881) - (PTERIIDAE)
- dunkeri, Avicula dunkeri Terquem, 1855 † - (PTERIIDAE) (FOSSIL)
- dunkeri, Orinella dunkeri (W.H. Dall & P. Bartsch, 1906) - (PYRAMIDELLIDAE)
- dunkeri, Turbonilla dunkeri S. Clessin, 1902 - (PYRAMIDELLIDAE)
- dunkeri, Ranularia dunkeri (C.E. Lischke, 1868) - (RANELLIDAE)
- dunkeri, Semisulcospira dunkeri (H. von Heimburg, 1884) - (SEMISULCOSPIRIDAE)
- dunkeri, Solecurtus divaricatus dunkeri J.T. Kuroda - (SOLECURTIDAE)
- dunkeri, Streptaxis dunkeri (L. Pfeiffer, 1845) - (STREPTAXIDAE)
- dunkeri, Obeliscus dunkeri (L. Pfeiffer) - (SUBULINIDAE)
- dunkeri, Oxyloma dunkeri (L. Pfeiffer, 1865) - (SUCCINEIDAE)
- dunkeri, Tellina dunkeri F.R. Bernard, Y.Y. Cai & F. Morton, 1993 - (TELLINIDAE)
- dunkeri, Melania dunkeri Klipstein, 1843 † - (THIARIDAE) (FOSSIL)
- dunkeri, Tonna dunkeri S.C.T. Hanley, 1859 - (TONNIDAE)
- dunkeri, Clanculus dunkeri (F.C.L. Koch in R.A. Philippi, 1843) - (TROCHIDAE)
- dunkeri, Turritella dunkeri Terquem 1855 - (TURRITELLIDAE)
- dunkeri, Spirostemma dunkeri (L. Pfeiffer in R.A. Philippi) - (UROCOPTIDAE)
- dunkeri, Tivela dunkeri A. Römer, 1864 - (VENERIDAE)
- dunkeri, Dosinia dunkeri (R.A. Philippi, 1844) - (VENERIDAE)
- dunkeri, Anomalocardia dunkeri W. Kobelt, 1891 - syn of: Mosambicarca hians (L.A. Reeve, 1844) - (VENERIDAE)
- dunkeri, Periglypta dunkeri R.A. Philippi, 1844 - syn of: Dosinia dunkeri (R.A. Philippi, 1844) - (VENERIDAE)
- dunkeri, Onustus dunkeri K. Martin, 1879 † - syn of: Stellaxis dunkeri (K. Martin, 1879 †) - (XENOPHORIDAE) (FOSSIL)
- dunkeri, Xenophora dunkeri K. Martin, 1879 † - syn of: Stellaxis dunkeri (K. Martin, 1879 †) - (XENOPHORIDAE) (FOSSIL)
- dunkeri formosa, Helcion dunkeri formosa (W.H. Turton, 1932) - (PATELLIDAE)
- dunkeri forreri, Drymaeus dunkeri forreri (A. Mousson, 1883) - (BULIMULIDAE)
- dunkeri imbricata, Chama dunkeri imbricata W.J. Broderip, 1834 - syn of: Chama croceata J.B.P.A. Lamarck, 1819 - (CHAMIDAE)
- dunkeri iredalei, Ranularia dunkeri iredalei (C.E. Lischke, 1868) - (RANELLIDAE)
- dunkeri kraussi, Volvarina dunkeri kraussi W.H. Turton, 1932 - syn of: Volvarina zonata kraussi W.H. Turton, 1932 - (MARGINELLIDAE)
- dunkeri lincolnensis, Microcolus dunkeri lincolnensis (J.C.H. Crosse & P.H. Fischer, 1865) - (FASCIOLARIIDAE)
- dunkeri moderatus, Obeliscus dunkeri moderatus H.A. Pilsbry, 1932 - (SUBULINIDAE)
- dunkeri semipurpurata, Chama dunkeri semipurpurata C.E. Lischke - (CHAMIDAE)
- Dunkeria, Subgenus Turbonilla (Dunkeria) P.P. Carpenter, 1857 (PYRAMIDELLIDAE)
- dunkeriana, Cycloscala dunkeriana W.H. Dall, 1889 - syn of: Cycloscala echinaticosta (A.V.M.D. D'Orbigny, 1842) - (EPITONIIDAE)
- dunkeriana, Eulima dunkeriana H.A. Pilsbry, 1901 - syn of: Eulima philippiana R.W. Dunker, 1860 - (EULIMIDAE)
- dunkeriana, Phosinella dunkeriana (J.T. Kuroda & T. Habe, 1961) - (RISSOINIDAE)
- dunkeriana, Cylindrella dunkeriana L. Pfeiffer, 1848 - syn of: Spirostemma dunkeri (L. Pfeiffer in R.A. Philippi) - (UROCOPTIDAE)
- dunkerianus, Diplodon dunkerianus I. Lea, 1857 - syn of: Diplodon rhuacoicus (A.V.M.D. D'Orbigny, 1835) - (HYRIIDAE)
- dunkerianus, Solena dunkerianus S. Clessin, 1888 - syn of: Solen brevissimus E.C. Von Martens, 1865 - (SOLENIDAE)
- dunkerianus, Unio dunkerianus I. Lea, 1856 - syn of: Diplodon rhuacoicus (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- dunkerianus, Unio dunkerianus S. Clessin, 1888 - syn of: Rhipidodonta charruana (A.V.M.D. D'Orbigny, 1835) - (UNIONIDAE)
- dunkeriformis, Turbonilla dunkeriformis (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- dunkeriformis, Chemnitzia dunkeriformis E. Saurin, 1959 - syn of: Turbonilla dunkeriformis (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- dunkiensis, Spurlingia dunkiensis (E. Forbes, 1851) - (CAMAENIDAE)
- dunkiensis, Helix dunkiensis E. Forbes, 1851 - syn of: Spurlingia dunkiensis (E. Forbes, 1851) - (HELICIDAE)
- Dunleithoceras, Genus Dunleithoceras Foerste, 1924 † (ONCOCERATIDAE) (FOSSIL)
- dunlopei, Nausitora dunlopei (B.H. Wright, 1864) - (TEREDINIDAE)
- dunlopi, Wellergyi dunlopi (A. Thomas, 1940 †) - (GOSSELETINIDAE) (FOSSIL)
- dunlopi, Worthenia dunlopi A. Thomas, 1940 † - syn of: Wellergyi dunlopi (A. Thomas, 1940 †) - (LOPHOSPIRIDAE) (FOSSIL)
- dunlopiana, Platyconcha dunlopiana Longstaff, 1933 † - (PALAEOSTYLIDAE) (FOSSIL)
- dunnei, Doto dunnei H.M. Lemche, 1976 - (DOTIDAE)
- dunni, Parafrechites dunni (Smith, 1914 †) - (BEYRICHITIDAE) (FOSSIL)
- dunni, Calyptraea dunni A. Dey, 1961 † - (CALYPTRAEIDAE) (FOSSIL)
- dunni, Eutomoceras dunni Smith, 1904 † - (CERATITIDAE) (FOSSIL)
- dunni, Chicoreus dunni E.J. Petuch, 1987 - (MURICIDAE)
- dunni, Narthecoceras dunni M.A. Frey, 1981 † - (NARTHECOCERATIDAE) (FOSSIL)
- dunni, Eoprotrachyceras dunni (Smith, 1914 †) - (TRACHYCERATIDAE) (FOSSIL)
- dunniae, Amborhytida dunniae (J.E. Gray, 1840) - (RHYTIDIDAE)
- dunniae, Rhytida dunniae J.E. Gray, 1840 - syn of: Amborhytida dunniae (J.E. Gray, 1840) - (RHYTIDIDAE)
- dunniae forsythi, Amborhytida dunniae forsythi A.W.B. Powell, 1952 - syn of: Amborhytida forsythi (A.W.B. Powell, 1952) - (RHYTIDIDAE)
- dunniae pycrofti, Amborhytida dunniae pycrofti (A.W.B. Powell, 1932) - (RHYTIDIDAE)
- dunniae tarangaensis, Amborhytida dunniae tarangaensis (A.W.B. Powell, 1930) - (RHYTIDIDAE)
- dunoonense, Aperostoma dunoonense P. Bartsch & J.P.E. Morrison, 1942 - (NEOCYCLOTIDAE)
- dunravenensis, Melania dunravenensis Moore † - (THIARIDAE) (FOSSIL)
- dunrobinense, Apoderoceras dunrobinense Spath, 1926 † - (COELOCERATIDAE) (FOSSIL)
- dunrobinensis, Fluvidona dunrobinensis J.E. Tenison-Woods, 1876 - (HYDROBIIDAE)
- dunscombensis, Lycettitrigonia dunscombensis (J. Lycett, 1877 †) - (RUTITRIGONIIDAE) (FOSSIL)
- dunscombensis, Trigonia dunscombensis J. Lycett, 1877 † - syn of: Lycettitrigonia dunscombensis (J. Lycett, 1877 †) - (TRIGONIIDAE) (FOSSIL)
- dunstani, Protovirgus dunstani (Etheridge, 1888 †) - (UNIONELLIDAE) (FOSSIL)
- dunveganensis, Inoceramus dunveganensis McLearn, 1926 † - (INOCERAMIDAE) (FOSSIL)
- Dunveganoceras, Genus Dunveganoceras Warren & Stelck, 1940 † (ACANTHOCERATIDAE) (FOSSIL)
- duo, Helicina duo A.S.H. Breure, 2011 - (HELICINIDAE)
- duobrunnea, Tawera duobrunnea J. Marwick, 1948 † - (VENERIDAE) (FOSSIL)
- duocamurum, Epitonium duocamurum Y.C. Lee, 2001 - (EPITONIIDAE)
- Duoconclavis, Genus Duoconclavis P.U. Middelfart, 2005 (GALEOMMATIDAE)
- duocostata, Eucycloscala duocostata J. Gründel & Mitta, 2013 † - (EUCYCLOSCALIDAE) (FOSSIL)
- duodecemcostatum, Dentalium duodecemcostatum J.W. Brazier, 1877 - syn of: Dentalium healyi G. Steiner & A. Kabat, 2004 - (DENTALIIDAE)
- duodecim, Nesoropupa duodecim O. Gargominy, 2008 - (VERTIGINIDAE)
- duodecimcostata, Abida duodecimcostata É.A.A. Locard, 1881 - syn of: Abida secale (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- duodecimcostatum, Dentalium duodecimcostatum J.W. Brazier, 1877 - syn of: Dentalium healyi G. Steiner & A. Kabat, 2004 - (DENTALIIDAE)
- duodecimlamellatum, Parvamussium duodecimlamellatum (H.G. Bronn, 1832 †) - (PROPEAMUSSIIDAE) (FOSSIL)
- duodecimlamellatum bronni, Parvamussium duodecimlamellatum bronni (C. Mayer, 1861) - (PROPEAMUSSIIDAE)
- duodecimlyrae, Turbonilla duodecimlyrae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- duodecimus, Fusus duodecimus J.E. Gray, 1843 - syn of: Xymene erectus (H.H. Suter, 1909) - (FASCIOLARIIDAE)
- duodenae, Turbonilla duodenae A. Peñas & E. Rolán, 2010 - (PYRAMIDELLIDAE)
- Duodenticonus, syn of: Genus Conasprella K.H.J. Thiele, 1929 (CONIDAE)
- duofasciata, Cylinder textile duofasciata L. Bozzetti, 2016 - (CONIDAE)
- duonodulosa, Melanopsis nodosa duonodulosa Ippolito, 1947 † - (MELANOPSIDAE) (FOSSIL)
- duoplicata, Laminella alexandri duoplicata D.D. Baldwin, 1908 - (AMASTRIDAE)
- duospiralis, Etremopsis duospiralis C.R. Laws, 1944 † - (CLATHURELLIDAE) (FOSSIL)
- duotecta, Coneuplecta duotecta J.T. Kuroda, 1953 - (EUCONULIDAE)
- duperrei, Eatoniella duperrei (C. Vélain, 1877) - (EATONIELLIDAE)
- duperrei, Paludestrina duperrei C. Vélain, 1877 - syn of: Eatoniella duperrei (C. Vélain, 1877) - (HYDROBIIDAE)
- duperrei, Hydrobia duperrei C. Vélain, 1877 - syn of: Eatoniella duperrei (C. Vélain, 1877) - (HYDROBIIDAE)
- duperrei, Rissoella duperrei C. Vélain, 1877 - syn of: Eatoniella duperrei (C. Vélain, 1877) - (RISSOELLIDAE)
- duperreyi, Trapezium duperreyi G.P. Deshayes, 1839 - syn of: Trapezium oblongum (C. Linnaeus, 1758) - (TRAPEZIDAE)
- duperroni, Hibolites duperroni Combemorel, 1988 † - (BELEMNOPSEIDAE) (FOSSIL)
- duperroni, Hibolithes duperroni Combemorel, 1988 † - (MESOHIBOLITHIDAE) (FOSSIL)
- duperthuisi, Achatina weynsi duperthuisi J. Germain, 1908 - (ACHATINIDAE)
- dupetithouarsii, Helix dupetithouarsii G.P. Deshayes, 1840 - syn of: Helminthoglypta dupetithouarsii (G.P. Deshayes, 1840) - (HELICIDAE)
- dupetithouarsii, Helminthoglypta dupetithouarsii (G.P. Deshayes, 1840) - (HELMINTHOGLYPTIDAE)
- dupetithouarsii concursus, Helminthoglypta dupetithouarsii concursus H.A. Pilsbry, 1924 - (HELMINTHOGLYPTIDAE)
- dupetitthouarsi, Fusinus dupetitthouarsi (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- dupetitthouarsi, Fusus dupetitthouarsi L.C. Kiener, 1840 - syn of: Fusinus dupetitthouarsi (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- dupetitthouarsi aplicatus, Fusinus dupetitthouarsi aplicatus A.W. Grabau, 1904 - (FASCIOLARIIDAE)
- dupetitthouarsi irregularis, Fusinus dupetitthouarsi irregularis A.W. Grabau, 1904 - syn of: Fusinus irregularis (A.W. Grabau, 1904) - (FASCIOLARIIDAE)
- dupetitthouarsi nodosus, Fusinus dupetitthouarsi nodosus A.W. Grabau, 1904 - (FASCIOLARIIDAE)
- dupini, Cardita dupini d'Orbigny, 1843 † - (CARDITIDAE) (FOSSIL)
- dupini, Confusiscala dupini (A.V.M.D. D'Orbigny, 1842 †) - (EPITONIIDAE) (FOSSIL)
- dupiniana, Arca dupiniana d'Orbigny † - (ARCIDAE) (FOSSIL)
- dupiniana, Cardita dupiniana d'Orbigny, 1843 † - syn of: Cardita dupini d'Orbigny, 1843 † - (CARDITIDAE) (FOSSIL)
- dupiniana, Scalaria dupiniana d'Orbigny, 1842 † - syn of: Confusiscala dupini (A.V.M.D. D'Orbigny, 1842 †) - (EPITONIIDAE) (FOSSIL)
- dupiniana, Harpospira dupiniana (A.V.M.D. D'Orbigny, 1843 †) - (HARPAGODIDAE) (FOSSIL)
- dupiniana, Rissoa dupiniana d'Orbigny, 1842 † - (RISSOIDAE) (FOSSIL)
- dupiniana, Resatrix dupiniana (d'Orbigny 1845) † - (VENERIDAE) (FOSSIL)
- dupinianus, Phyllocheilus dupinianus (A.V.M.D. D'Orbigny, 1843 †) - (HARPAGODIDAE) (FOSSIL)
- dupinianus, Diempterus dupinianus (A.V.M.D. D'Orbigny, 1843 †) - (SPINILOMATIDAE) (FOSSIL)
- duplanullatus, Turmalites duplanullatus Berger, 1980 † - (TURMALITIDAE) (FOSSIL)
- duplaris, Clionella duplaris C. Hedley, 1922 - syn of: Wairarapa duplaris (C. Hedley, 1922) - (CLAVATULIDAE)
- duplaris, Melatoma duplaris C. Hedley, 1922 - syn of: Wairarapa duplaris (C. Hedley, 1922) - (CLAVATULIDAE)
- duplaris, Wairarapa duplaris (C. Hedley, 1922) - (DRILLIIDAE)
- duplaris, Eucithara duplaris (J.C. Melvill, 1923) - (MANGELIIDAE)
- dupleconcavus, Oblisicornus dupleconcavus A.V. Sysoev, 1968 † - (NOTABILITIDAE) (FOSSIL)
- duplex, Placostylus duplex (J. Gassies, 1870) - (BOTHRIEMBRYONTIDAE)
- duplex, Synprosphyma duplex H. Nordsieck, 2003 - (CLAUSILIIDAE)
- duplex, Tosapusia duplex (W.O. Cernohorsky, 1982) - (COSTELLARIIDAE)
- duplex, Lobantale duplex (J.L.M. Defrance, 1819 †) - (GADILINIDAE) (FOSSIL)
- duplex, Steenbergia duplex G. Mandahl-Barth, 1950 - (HYGROMIIDAE)
- duplex, Hexaplex duplex (P.F. Röding, 1798) - (MURICIDAE)
- duplex, Purpura duplex P.F. Röding, 1798 - syn of: Hexaplex duplex (P.F. Röding, 1798) - (MURICIDAE)
- duplex, Phyllonotus duplex P.F. Röding, 1798 - syn of: Hexaplex duplex (P.F. Röding, 1798) - (MURICIDAE)
- duplex, Hexaplex duplex Auct. non P.F. Röding, 1798 - syn of: Takia rosarium (P.F. Röding, 1798) - (MURICIDAE)
- duplex, Octopus duplex W.E. Hoyle, 1885 - syn of: Octopus superciliosus J.R.C. Quoy & J.P. Gaimard, 1832 - (OCTOPODIDAE)
- duplex, Orthoceras duplex Wahlenberg, 1821 † - syn of: Proterovaginoceras incognitum (Schröder, 1882 †) - (ORTHOCERATIDAE) (FOSSIL)
- duplex, Pecten duplex Cooke, 1919 † - (PECTINIDAE) (FOSSIL)
- duplex, Bouryia polygyrata duplex J. Le Renard, 1997 † - (POMATIOPSIDAE) (FOSSIL)
- duplex, Hinemoa duplex C.F. Laseron, 1959 - (PYRAMIDELLIDAE)
- duplex, Finella duplex (C.F. Laseron, 1956) - (SCALIOLIDAE)
- duplex, Gemmula duplex (H.H. Suter, 1917 †) - (TURRIDAE) (FOSSIL)
- duplex canariensis, Hexaplex duplex canariensis (F. Nordsieck, 1975) - (MURICIDAE)
- duplex major, Bulimus duplex major J. Gassies, 1871 - syn of: Placostylus porphyrostomus monackensis (J.C.H. Crosse, 1887) - (BULIMULIDAE)
- duplex nyapagionis, Placostylus duplex nyapagionis H.A. Pilsbry, 1900 - syn of: Placostylus porphyrostomus smithii W. Kobelt, 1891 - (BOTHRIEMBRYONTIDAE)
- dupliangulata, Vanikoro dupliangulata (C.R. Laws, 1940 †) - (VANIKORIDAE) (FOSSIL)
- dupliangulata, Korovina dupliangulata C.R. Laws, 1940 † - syn of: Vanikoro dupliangulata (C.R. Laws, 1940 †) - (VANIKORIDAE) (FOSSIL)
- duplicans, Proconulus duplicans (Blake) † - (PROCONULIDAE) (FOSSIL)
- duplicaria, Turbonilla duplicaria J. Marwick, 1931 † - (PYRAMIDELLIDAE) (FOSSIL)
- Duplicaria, Genus Duplicaria W.H. Dall, 1908 (TEREBRIDAE)
- duplicarina, Saccella duplicarina (C.R. Laws, 1939 †) - (NUCULANIDAE) (FOSSIL)
- duplicarina, Elachorbis duplicarina J. Marwick, 1929 † - (TORNIDAE) (FOSSIL)
- duplicarinata, Proneptunea duplicarinata A.W.B. Powell, 1951 - (BUCCINIDAE)
- duplicarinata, Mendax duplicarinata A.W.B. Powell, 1940 - syn of: Metaxia duplicarinata (A.W.B. Powell, 1940) - (CERITHIOPSIDAE)
- duplicarinata, Metaxia duplicarinata (A.W.B. Powell, 1940) - (TRIPHORIDAE)
- duplicata, Pseudiberus innominata duplicata O.F. von Möllendorff, 1899 - (BRADYBAENIDAE)
- duplicata, Dactylastele duplicata (A. Adams, 1853) - (CALLIOSTOMATIDAE)
- duplicata, Cardiola duplicata Münster, 1840 † - syn of: Vetupraeca duplicata (Münster, 1840 †) - (CARDIOLIDAE) (FOSSIL)
- duplicata, Chondrina duplicata H.C. Küster, 1850 - syn of: Chondrina avenacea (J.G. Bruguière, 1792) - (CHONDRINIDAE)
- duplicata, Auriculastra duplicata (L. Pfeiffer, 1854) - (ELLOBIIDAE)
- duplicata, Geomitra duplicata R.T. Lowe, 1831 - syn of: Discula bicarinata (G.B. I Sowerby, 1824) - (HYGROMIIDAE)
- duplicata, Pseudolimea duplicata (Sowerby, 1814 †) - (LIMIDAE) (FOSSIL)
- duplicata, Mantellum duplicata J. de C. Sowerby, 1827 † - (LIMIDAE) (FOSSIL)
- duplicata, Limea duplicata Sowerby, 1814 † - syn of: Pseudolimea duplicata (Sowerby, 1814 †) - (LIMIDAE) (FOSSIL)
- duplicata, Liotia duplicata C.B. Adams, 1850 - (LIOTIIDAE)
- duplicata, Worthenia duplicata E.A.L. Kittl, 1891 † - (LOPHOSPIRIDAE) (FOSSIL)
- duplicata, Lucina duplicata Münster, 1837 † - (LUCINIDAE) (FOSSIL)
- duplicata, Melanopsis bouei duplicata Handmann, 1882 † - (MELANOPSIDAE) (FOSSIL)
- Duplicata, syn of: Genus Dorsanum J.E. Gray, 1847 (NASSARIIDAE)
- duplicata, Vetupraeca duplicata (Münster, 1840 †) - (PRAECARDIIDAE) (FOSSIL)
- duplicata, Compsodrillia duplicata (G.B. I Sowerby, 1834) - (PSEUDOMELATOMIDAE)
- duplicata, Tortulosa duplicata (L. Pfeiffer, 1854) - (PUPINIDAE)
- duplicata, Amborhytida duplicata (H.H. Suter, 1904) - (RHYTIDIDAE)
- duplicata, Rhytida duplicata H.H. Suter, 1904 - syn of: Amborhytida duplicata (H.H. Suter, 1904) - (RHYTIDIDAE)
- duplicata, Onoba duplicata (A.W.B. Powell, 1937) - (RISSOIDAE)
- duplicata, Ovirissoa duplicata (A.W.B. Powell, 1937) - syn of: Onoba duplicata (A.W.B. Powell, 1937) - (RISSOIDAE)
- duplicata, Rissoina duplicata (J. de C. Sowerby, 1829 †) - (RISSOINIDAE) (FOSSIL)
- duplicata, Semele duplicata (L.A. Reeve, 1853) - (SEMELIDAE)
- duplicata, Semele duplicata A.A. Gould, 1861 - syn of: Semele zebuensis (S.C.T. Hanley, 1843) - (SEMELIDAE)
- duplicata, Sonninia duplicata Buckman † - (SONNINIIDAE) (FOSSIL)
- duplicata, Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- duplicata, Diplomeriza duplicata C. Linnaeus, 1758 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- duplicata, Terebra duplicata C. Linnaeus, 1758 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- duplicata, Pygmaeorota duplicata (C.E. Lischke, 1872) - (TORNIDAE)
- duplicata, Stomatella duplicata (G.B. I Sowerby, 1823) - (TROCHIDAE)
- duplicata, Turritella duplicata (C. Linnaeus, 1758) - (TURRITELLIDAE)
- duplicata, Felaniella duplicata (G.P. Deshayes, 1857 †) - (UNGULINIDAE) (FOSSIL)
- duplicata, Dosinia duplicata L.A. Reeve, 1850 - syn of: Dosinia tumida (J.E. Gray, 1838) - (VENERIDAE)
- duplicata, Xylophaga duplicata J. Knudsen, 1961 - (XYLOPHAGAIDAE)
- duplicata junior, Terebra duplicata junior L.C. Kiener, 1839 - syn of: Duplicaria kieneri (G.P. Deshayes, 1859) - (TEREBRIDAE)
- duplicata junior, Duplicaria duplicata junior L.C. Kiener, 1839 - syn of: Duplicaria kieneri (G.P. Deshayes, 1859) - (TEREBRIDAE)
- duplicata kiiensis, Stomatella duplicata kiiensis J.T. Kuroda, 1946 - (TROCHIDAE)
- duplicatoides, Terebra duplicatoides P. Bartsch, 1923 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- duplicatoides, Myurella duplicatoides P. Bartsch, 1923 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (TEREBRIDAE)
- duplicatum, Buccinum duplicatum C. Linnaeus, 1758 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (BUCCINIDAE)
- duplicatum, Gyronema duplicatum Ulrich & Scofield, 1897 † - syn of: Gyronema semicarinatum (Salter, 1859 †) - (LOPHOSPIRIDAE) (FOSSIL)
- duplicatum, Dorsanum duplicatum (Sowerby, 1829 †) - (NASSARIIDAE) (FOSSIL)
- duplicatum, Deltacardium duplicatum (Munster 1840) † - (PRAECARDIIDAE) (FOSSIL)
- duplicatum, Stroboceras duplicatum A. Schmidt, 1951 † - (TRIGONOCERATIDAE) (FOSSIL)
- duplicatus, Zizyphinus duplicatus A. Adams, 1851 - syn of: Dactylastele duplicata (A. Adams, 1853) - (CALLIOSTOMATIDAE)
- duplicatus, Vertagus duplicatus C. Linnaeus, 1758 - syn of: Duplicaria duplicata (J.B.P.A. Lamarck, 1822) - (CERITHIIDAE)
- duplicatus, Conus duplicatus G.B. I Sowerby, 1823 - syn of: Graphiconus australis (H.S. Holten, 1802) - (CONIDAE)
- duplicatus, Nobuea kurodai duplicatus J.T. Kuroda & M. Miyanaga, 1943 - (CYCLOPHORIDAE)
- duplicatus, Spiniomphalus duplicatus A. Nützel & Erwin, 2004 † - (DISCOHELICIDAE) (FOSSIL)
- duplicatus, Latirus duplicatus E.W. Vredenburg, 1925 † - (FASCIOLARIIDAE) (FOSSIL)
- duplicatus, Modulus duplicatus C.B. Adams, 1851 - syn of: Modulus disculus (R.A. Philippi, 1846) - (MODULIDAE)
- duplicatus, Typhis duplicatus G.B. Sowerby, 1870 - syn of: Siphonochelus arcuatus (R.B. Hinds, 1843) - (MURICIDAE)
- duplicatus, Murex duplicatus G.G. Pusch, 1837 - syn of: Murex trapa P.F. Röding, 1798 - (MURICIDAE)
- duplicatus, Murex duplicatus O.A.L. Mörch, 1852 - syn of: Murex pecten J. Lightfoot, 1786 - (MURICIDAE)
- duplicatus, Murex duplicatus E. Donovan, 1800 - syn of: Neptunea despecta (C. Linnaeus, 1758) - (MURICIDAE)
- duplicatus, Neverita duplicatus (T. Say, 1822) - (NATICIDAE)
- duplicatus, Amphitrochus duplicatus (J. de C. Sowerby, 1817 †) - (NODODELPHINULIDAE) (FOSSIL)
- duplicatus, Trochus duplicatus J. de C. Sowerby, 1817 † - syn of: Amphitrochus duplicatus (J. de C. Sowerby, 1817 †) - (TROCHIDAE) (FOSSIL)
- duplicatus, Turbo duplicatus C. Linnaeus, 1758 - syn of: Turritella duplicata (C. Linnaeus, 1758) - (TURBINIDAE)
- duplicicosta, Neithea duplicicosta F.A. Roemer, 1849 † - (PECTINIDAE) (FOSSIL)
- duplicicosta, Rimella duplicicosta A.E.M. Cossmann, 1901 † - (RIMELLIDAE) (FOSSIL)
- duplicicosta, Leptodomus duplicicosta R. Etheridge jr., 1898 † - (SANGUINOLITIDAE) (FOSSIL)
- duplicidens, Ashmunella duplicidens H.A. Pilsbry, 1905 - (POLYGYRIDAE)
- duplicidentata, Opanara duplicidentata G.A. Solem, 1976 - (ENDODONTIDAE)
- duplicilamellata, Tornatellina duplicilamellata H.B. Preston, 1945 - syn of: Tornatellinops nepeanensis (H.B. Preston, 1913) - (ACHATINELLIDAE)
- duplicincta, Brookesena duplicincta C.R. Laws, 1939 † - (MATHILDIDAE) (FOSSIL)
- dupliconodosus, Acanthoscaphites dupliconodosus Coryell & E.S. Salmon, 1934 † - syn of: Jeletzkytes crassus (Coryell & E.S. Salmon, 1934 †) - (SCAPHITIDAE) (FOSSIL)
- duplicosta, Lysis duplicosta W.M. Gabb, 1864 † - (EULIMIDAE) (FOSSIL)
- duplicosta, Pecten duplicosta F.A. Roemer, 1849 † - syn of: Neithea duplicicosta F.A. Roemer, 1849 † - (PECTINIDAE) (FOSSIL)
- duplicostata, Tapinotomaria duplicostata Batten, 1958 † - (PORTLOCKIELLIDAE) (FOSSIL)
- duplicostata, Rimella duplicostata A.E.M. Cossmann, 1906 † - (RIMELLIDAE) (FOSSIL)
- duplilirata, Ziba duplilirata (L.A. Reeve, 1845) - (MITRIDAE)
- duplinensis, Pleuroploca duplinensis M. Smith, 1940 - syn of: Triplofusus giganteus (L.C. Kiener, 1840) - (FASCIOLARIIDAE)
- duplinensis, Oligodia duplinensis Gardner & T.H. Aldrich, 1919 † - (TURRITELLIDAE) (FOSSIL)
- dupliniana, Crassinella dupliniana W.H. Dall, 1903 - (CRASSATELLIDAE)
- dupliniana, Moerella dupliniana W.H. Dall, 1900 † - (TELLINIDAE) (FOSSIL)
- dupliniana, Cosmotriphora dupliniana (A.A. Olsson, 1916) - (TRIPHORIDAE)
- dupliora, Condylocuna dupliora (C.R. Laws, 1940 †) - (CONDYLOCARDIIDAE) (FOSSIL)
- Duplipecten, Genus Duplipecten Marwick, 1928 † (PECTINIDAE) (FOSSIL)
- dupliradiata, Philobrya dupliradiata (C.R. Laws, 1941 †) - (PHILOBRYIDAE) (FOSSIL)
- duplisulcata, Holopella duplisulcata Whidborne, 1889 † - syn of: Stylonema hennahiana (Sedgwick & Murchison, 1840 †) - (LOXONEMATIDAE) (FOSSIL)
- duplocincta, Achatinella apexfulva duplocincta H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- duplocincta, Mesasiata duplocincta (E.C. Von Martens, 1879) - (BRADYBAENIDAE)
- duplocinctus, Amphidromus adamsii duplocinctus H.C. Fulton, 1896 - (CAMAENIDAE)
- duplodon, Cerion duplodon H.A. Pilsbry & E.G. Vanatta, 1896 - (CERIONIDAE)
- duploreticulata, Mauritia duploreticulata G.S. Coen, 1949 - syn of: Mauritia histrio (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- dupontae, Spurilla dupontae L. Carmona, B.R. Lei, M. Pola, T.M. Gosliner & al., 2014 - (AEOLIDIIDAE)
- duponti, Pseudogibbula duponti (P. Dautzenberg, 1881 †) - (ASSIMINEIDAE) (FOSSIL)
- duponti, Venericor duponti (A.E.M. Cossmann, 1908 †) - (CARDITIDAE) (FOSSIL)
- duponti, Columenoceras duponti (Barrande, 1866 †) - (GEISONOCERATIDAE) (FOSSIL)
- duponti, Monitilora duponti (Cossmann 1908) † - (LUCINIDAE) (FOSSIL)
- duponti, Sphenia duponti Cossmann 1908 † - (MYIDAE) (FOSSIL)
- duponti, Porcellia duponti de Koninck, 1883 † - syn of: Porcellia puzo Léveillé, 1835 † - (PORCELLIIDAE) (FOSSIL)
- duponti, Gonospira duponti G. Nevill, 1870 - (STREPTAXIDAE)
- duponti, Unio duponti J.R. Bourguignat, 1883 - syn of: Coelatura hauttecoeuri (J.R. Bourguignat, 1883) - (UNIONIDAE)
- duponti, Pitar duponti (A.E.M. Cossmann, 1908 †) - (VENERIDAE) (FOSSIL)
- duponti, Bellamya duponti (A. de Rochebrune, 1882) - (VIVIPARIDAE)
- duponti, Festilyria duponti C.S. Weaver, 1968 - (VOLUTIDAE)
- dupontia, Cyrenoida dupontia L. de Joannis, 1835 - (CYRENOIDIDAE)
- Dupontia, Genus Dupontia H.H. Godwin-Austen, 1908 (HELICARIONIDAE)
- dupontianum, Tropidophora filostriata dupontianum (P.M.A. Morelet, 1876) - (POMATIIDAE)
- dupontii, Parametaria dupontii (L.C. Kiener, 1846) - (COLUMBELLIDAE)
- dupontii, Conus dupontii L.C. Kiener, 1846 - syn of: Parametaria dupontii (L.C. Kiener, 1846) - (CONIDAE)
- dupontii, Mitra dupontii L.C. Kiener, 1838 - syn of: Nebularia lens (W. Wood, 1828) - (MITRIDAE)
- duporti, Camaena duporti (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (CAMAENIDAE)
- duporti, Phaedusa dichroa duporti A.R.J.B. Bavay & P. Dautzenberg, 1915 - (CLAUSILIIDAE)
- duporti, Helix duporti A.R.J.B. Bavay & P. Dautzenberg, 1909 - syn of: Camaena duporti (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (HELICIDAE)
- duporti, Zonitarion duporti J. Germain, 1912 - (UROCYCLIDAE)
- duporti pallidior, Camaena duporti pallidior A.R.J.B. Bavay & P. Dautzenberg, 1909 - (CAMAENIDAE)
- Dupotetia, Subgenus Otala (Dupotetia) W. Kobelt, 1904 (HELICIDAE)
- dupotetiana, Amnicola dupotetiana T. Kira, 1955 - (AMNICOLIDAE)
- dupotetiana, Otala dupotetiana (A. Terver, 1839) - (HELICIDAE)
- dupotetiana, Pseudamnicola dupotetiana (E. Forbes, 1838) - (HYDROBIIDAE)
- dupotetiana, Pseudamnicola dupotetiana M. Ghamizi - syn of: Pseudamnicola dupotetiana (E. Forbes, 1838) - (HYDROBIIDAE)
- dupotetiana, Paludina dupotetiana E. Forbes, 1838 - syn of: Pseudamnicola dupotetiana (E. Forbes, 1838) - (VIVIPARIDAE)
- dupotetii, Rupestrella dupotetii (A. Terver, 1839) - (CHONDRINIDAE)
- dupotetii sebouensis, Rupestrella dupotetii sebouensis D.T. Holyoak & M. Seddon, 1986 - (CHONDRINIDAE)
- dupouxi, Cristataria porrecta dupouxi (G. Nägele, 1890) - (CLAUSILIIDAE)
- dupreezae, Mitrella dupreezae M. Lussi, 2002 - (COLUMBELLIDAE)
- duprei, Callonaia duprei (C.A. Récluz, 1842) - (HYRIIDAE)
- duprei, Yoldia duprei C.S. Weaver & K.V.W. Palmer, 1922 † - (YOLDIIDAE) (FOSSIL)
- dupreyae, Calliotectum dupreyae W.K. Emerson, 1985 - syn of: Calliotectum tibiaeforme dupreyae (W.K. Emerson, 1985) - (VOLUTIDAE)
- dupreyae, Calliotectum tibiaeforme dupreyae (W.K. Emerson, 1985) - (VOLUTIDAE)
- dupreyae arafurensis, Calliotectum dupreyae arafurensis H. Douté, 1988 - syn of: Calliotectum tibiaeforme (J.T. Kuroda, 1931) - (VOLUTIDAE)
- dupreyae busseltonensis, Calliotectum dupreyae busseltonensis H. Douté, 1995 - syn of: Calliotectum tibiaeforme (J.T. Kuroda, 1931) - (VOLUTIDAE)
- Dupucharopa, Genus Dupucharopa T. Iredale, 1937 (CHAROPIDAE)
- dupuchense, Vasticardium dupuchense (L.A. Reeve, 1845) - (CARDIIDAE)
- dupuchensis, Acrosterigma dupuchensis (L.A. Reeve, 1845) - syn of: Vasticardium dupuchense (L.A. Reeve, 1845) - (CARDIIDAE)
- dupuisi, Ancilla ripaudi dupuisi A.L. Chavan & M. Fischer, 1939 † - (ANCILLARIIDAE) (FOSSIL)
- dupuisi, Lucilina dupuisi (E.H.J. Leloup, 1973) - (CHITONIDAE)
- dupuisi, Cryptoplax dupuisi E.A. Ashby, 1931 - (CRYPTOPLACIDAE)
- dupuisi, Bouryia dupuisi J. Le Renard, 1997 † - (POMATIOPSIDAE) (FOSSIL)
- dupuisi, Melanoides dupuisi G.C. Spence, 1923 - (THIARIDAE)
- dupuyana, Andraea dupuyana J.R. Bourguignat, 1877 - syn of: Andraea dubia J.P.R. Draparnaud, 1805 - (CLAUSILIIDAE)
- dupuyana, Hypnophila dupuyana É.A.A. Locard, 1894 - syn of: Hypnophila boissii (D. Dupuy, 1850) - (COCHLICOPIDAE)
- dupuyana, Gulella dupuyana (J.C.H. Crosse, 1876) - (STREPTAXIDAE)
- dupuyanum, Pisidium dupuyanum N.A.J. Normand, 1854 - syn of: Pisidium henslowanum (R. Sheppard, 1825) - (SPHAERIIDAE)
- dupuyi, Platyla dupuyi (A. Paladilhe, 1842) - (ACICULIDAE)
- dupuyi, Kalidos dupuyi B. Verdcourt, 2006 - (ARIOPHANTIDAE)
- dupuyi, Abida dupuyi C.A. Westerlund, 1875 - syn of: Abida partioti A.de Saint-Simon, 1848 - (CHONDRINIDAE)
- dupuyi, Macularia niciensis dupuyi (C.A. Westerlund, 1876) - (HELICIDAE)
- dupuyi, Lymnaea dupuyi (É.A.A. Locard, 1893) - (LYMNAEIDAE)
- dupuyi, Anodonta dupuyi J.J. Ray & H. Drouët, 1849 - syn of: Anodonta anatina (C. Linnaeus, 1758) - (UNIONIDAE)
- dupuyiana, Galba dupuyiana (Noulet, 1854 †) - (LYMNAEIDAE) (FOSSIL)
- dupuyianus, Anisus dupuyianus (Noulet, 1854 †) - (PLANORBIDAE) (FOSSIL)
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