- cona, Lottia cona (A. Test, 1945) - (LOTTIIDAE)
- Conacmea, syn of: Genus Tectura J.E. Gray, 1847 (LOTTIIDAE)
- Conacmella, Genus Conacmella K.H.J. Thiele, 1927 (ASSIMINEIDAE)
- Conactaeon, Subgenus Cylindrobullina (Conactaeon) Meek, 1863 (CYLINDROBULLINIDAE) (FOSSIL)
- conalatum, Diedrorynchus conalatum (R.M. Branson, 1942 †) - (BRANSONIIDAE) (FOSSIL)
- Conalvinia, syn of: Genus Alvania A. Risso, 1826 (RISSOIDAE)
- conaminis, Eulima conaminis C. Hedley, 1909 - (EULIMIDAE)
- conaminis angulata, Eulima conaminis angulata C. Hedley, 1909 - (EULIMIDAE)
- conamphala, Chloritis conamphala G.P.L.K. Gude - (CAMAENIDAE)
- conanti, Planolateralus conanti N.F. Sohl, 1960 † - (CALLIOTROPIDAE) (FOSSIL)
- conarius, Tympanotonos conarius J.F. Bayan, 1873 † - (POTAMIDIDAE) (FOSSIL)
- conarus, Nanarius parapristus conarus W.P. Woodring, 1964 † - (NASSARIIDAE) (FOSSIL)
- Conasprella, Genus Conasprella K.H.J. Thiele, 1929 (CONIDAE)
- Conasprelloides, Genus Conasprelloides J.K. Tucker & M.J. Tenorio, 2009 (CONIDAE)
- Conassiminea, Genus Conassiminea H. Fukuda & W.F. Ponder, 2006 (ASSIMINEIDAE)
- conata, Anacithara conata (C. Hedley, 1909) - (HORAICLAVIDAE)
- conata, Mangelia conata C. Hedley, 1909 - syn of: Anacithara conata (C. Hedley, 1909) - (MANGELIIDAE)
- conatus, Hexaplex conatus (D.F. McMichael, 1964) - (MURICIDAE)
- concalis, Indomitrella concalis K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- concamera, Arca concamera J.G. Bruguière, 1789 - syn of: Cucullaea labiata (J. Lightfoot, 1786) - (ARCIDAE)
- concamera, Cucullaea concamera G.B. II Sowerby, 1869 - syn of: Cucullaea petita T. Iredale, 1939 - (CUCULLAEIDAE)
- concamerata, Arca concamerata L.W. Dillwyn, 1817 - syn of: Cucullaea labiata (J. Lightfoot, 1786) - (ARCIDAE)
- concamerata, Thecalia concamerata (J.G. Bruguière, 1792) - (CARDITIDAE)
- concamerata, Thecalia concamerata J.F. Gmelin, 1791 - syn of: Thecalia concamerata (J.G. Bruguière, 1792) - (CARDITIDAE)
- concamerata, Cucullaea concamerata G.B. II Sowerby, 1869 - syn of: Cucullaea petita T. Iredale, 1939 - (CUCULLAEIDAE)
- concamerata, Crithe concamerata W.L. May, 1918 - syn of: Persicula albomaculata (W.L. May, 1911) - (CYSTISCIDAE)
- concamerata, Penitella concamerata G.P. Deshayes, 1839 - syn of: Penitella penita (T.A. Conrad, 1837) - (PHOLADIDAE)
- concamerata, Pholas concamerata G.P. Deshayes, 1839 - syn of: Penitella penita (T.A. Conrad, 1837) - (PHOLADIDAE)
- concamerata, Diloma concamerata (W. Wood, 1828) - (TROCHIDAE)
- concameratum, Crucibulum concameratum L.A. Reeve, 1859 - (CALYPTRAEIDAE)
- concardiiformis, Megatrigonia concardiiformis (Krauss 1843) † - (MEGATRIGONIIDAE) (FOSSIL)
- concatenata, Dizoniopsis concatenata (L.F. Conti, 1864) - (CERITHIOPSIDAE)
- concatenata, Clavatula concatenata (J.P.S. Grateloup, 1832 †) - (CLAVATULIDAE) (FOSSIL)
- concatenata, Arestorides concatenata P. Dautzenberg, 1902 - syn of: Arestorides argus (C. Linnaeus, 1758) - (CYPRAEIDAE)
- concatenata, Drupa concatenata J.B.P.A. Lamarck, 1822 - syn of: Drupella rugosa (I. von Born, 1778) - (MURICIDAE)
- concatenata, Rissoina concatenata J.E. Tenison-Woods, 1877 - (RISSOINIDAE)
- concatenata, Triphora concatenata J.C. Melvill, 1904 - (TRIPHORIDAE)
- concatenatus, Conus concatenatus L.C. Kiener, 1850 - syn of: Cylinder textile (C. Linnaeus, 1758) - (CONIDAE)
- concatenatus, Cosmetalepas concatenatus (J.C.H. Crosse, 1864) - (FISSURELLIDAE)
- concatenatus, Taphius montanus concatenatus (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- concava, Aplysia concava G.B. I Sowerby, 1833 - syn of: Aplysia parvula O.A.L. Mörch, 1863 - (APLYSIIDAE)
- concava, Pseudotorinia concava (K.H.J. Thiele, 1925) - (ARCHITECTONICIDAE)
- concava, Zeadmete concava (J. Marwick, 1931 †) - (CANCELLARIIDAE) (FOSSIL)
- concava, Elia huebneri concava B. Hausdorf, 1997 - (CLAUSILIIDAE)
- concava, Erronea concava G.B. Sowerby, 1870 - syn of: Erronea caurica (C. Linnaeus, 1758) - (CYPRAEIDAE)
- concava, Eotomaria concava O. Kobayashi, 1930 † - (EOTOMARIIDAE) (FOSSIL)
- concava, Claviscala concava W.H. Dall, 1889 - syn of: Opaliopsis concava (W.H. Dall, 1889) - (EPITONIIDAE)
- concava, Niso concava O. Böttger, 1907 † - syn of: Nisosyrnola concava (O. Böttger, 1907 †) - (EULIMIDAE) (FOSSIL)
- concava, Weyerella concava (Vohringer, 1960 †) - (GATTENDORFIIDAE) (FOSSIL)
- concava, Glycymerita concava (Marshall, 1917 †) - (GLYCYMERIDIDAE) (FOSSIL)
- concava, Euconospira concava Miller, 1877 † - syn of: Eotrochus tenuimarginatus (Miller, 1877 †) - (GOSSELETINIDAE) (FOSSIL)
- concava, Ludwigella concava J. de C. Sowerby, 1815 † - syn of: Graphoceras concavum (J. de C. Sowerby, 1815 †) - (GRAPHOCERATIDAE) (FOSSIL)
- concava, Jagolucina concava (J.L.M. Defrance in G.P. Deshayes, 1825 †) - (LUCINIDAE) (FOSSIL)
- concava, Jurilda concava (Walther, 1951 †) - (MATHILDIDAE) (FOSSIL)
- concava, Teretrina concava Walther, 1951 † - syn of: Jurilda concava (Walther, 1951 †) - (MATHILDIDAE) (FOSSIL)
- concava, Modiolopsis concava Ulrich, 1894 † - (MODIOMORPHIDAE) (FOSSIL)
- concava, Murchisonia concava Spitz, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- concava, Urumella concava I. Hayami & T. Kase, 1993 - (MYTILIDAE)
- concava, Rhomboidella concava B.C. Cotton, 1931 - syn of: Rhomboidella rhyllensis (J.H. Gatliff & C.J. Gabriel, 1912) - (MYTILIDAE)
- concava, Jupiteria concava (H.G. Bronn, 1831 †) - (NUCULANIDAE) (FOSSIL)
- concava, Opaliopsis concava (W.H. Dall, 1889) - (NYSTIELLIDAE)
- concava, Nystiella concava W.H. Dall, 1889 - syn of: Opaliopsis concava (W.H. Dall, 1889) - (NYSTIELLIDAE)
- concava, Pleurotomaria concava Münster, 1841 † - syn of: Purpurina concava (Münster, 1841 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- concava, Pleurotomaria concava Miller, 1877 † - syn of: Eotrochus tenuimarginatus (Miller, 1877 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- concava, Lacunopsis concava P. Temcharoen, 1971 - (POMATIOPSIDAE)
- concava, Protorcula concava A. Nützel & Erwin, 2004 † - (PROTORCULIDAE) (FOSSIL)
- concava, Orthostomia concava (Stoppani, 1857 †) - (PROTORCULIDAE) (FOSSIL)
- concava, Purpurina concava (Münster, 1841 †) - (PURPURINIDAE) (FOSSIL)
- concava, Nisosyrnola concava (O. Böttger, 1907 †) - (PYRAMIDELLIDAE) (FOSSIL)
- concava, Terebra concava (T. Say, 1826) - (TEREBRIDAE)
- concava, Trochomorpha concava W.F. Clapp, 1923 - (TROCHOMORPHIDAE)
- concava, Turris concava G.F. Harris, 1897 † - (TURRIDAE) (FOSSIL)
- concava, Mesalia concava Abbass, 1967 † - (TURRITELLIDAE) (FOSSIL)
- concava, Turritella concava T. Say, 1826 - syn of: Terebra concava (T. Say, 1826) - (TURRITELLIDAE)
- concava, Turritella concava E.C. Von Martens, 1880 - syn of: Turritella alba H. Adams, 1872 - (TURRITELLIDAE)
- concava, Xylophaga concava J. Knudsen, 1961 - (XYLOPHAGAIDAE)
- concavata, Acteonina concavata Grundel, 1999 † - (ACTEONINIDAE) (FOSSIL)
- concavaxis, Teinostoma concavaxis H.A. Pilsbry & A.A. Olsson, 1945 - (TORNIDAE)
- concavelamellata, Strigileuxina concavelamellata (F.E. Loosjes, 1963) - (CLAUSILIIDAE)
- Concavibalcis, Genus Concavibalcis A. Warιn, 1980 (EULIMIDAE)
- concavimarginata, Undastriatostyliolina concavimarginata Farsan, 1983 † - (UNDASTRIATOSTYLIOLINIDAE) (FOSSIL)
- concavitectum, Conus concavitectum J. Brown & H.A. Pilsbry, 1911 † - syn of: Conus molis J. Brown & H.A. Pilsbry, 1911 † - (CONIDAE) (FOSSIL)
- Concavites, Genus Concavites Jeannet , 1951 (OPPELIIDAE) (FOSSIL)
- concavoconvexa, Omphaloptycha concavoconvexa (Stoppani, 1858 †) - (COELOSTYLINIDAE) (FOSSIL)
- concavocrusta, Leiosolenus concavocrusta F.P. Jousseaume in É. Lamy, 1919 - syn of: Leiosolenus tripartitus (F.P. Jousseaume, 1894) - (MYTILIDAE)
- Concavodonta, Genus Concavodonta Babin, 1972 (PRAENUCULIDAE) (FOSSIL)
- Concavoleda, Genus Concavoleda Sanchez, 1999 (MALLETIIDAE) (FOSSIL)
- concavoperculata, Natica concavoperculata J.Y. Liu, 1977 - (NATICIDAE)
- concavopterus, Timbellus concavopterus (S. Kosuge, 1980) - (MURICIDAE)
- concavospira, Achatinella concavospira L. Pfeiffer, 1859 - (ACHATINELLIDAE)
- concavospira, Euplecta concavospira (L. Pfeiffer, 1854) - (ARIOPHANTIDAE)
- concavospira, Calliotropis concavospira (M.M. Schepman, 1908) - (CALLIOTROPIDAE)
- concavospira, Ganesella concavospira (O.F. von Möllendorff, 1901) - (CAMAENIDAE)
- concavospira, Oliva concavospira G.B. III Sowerby, 1914 - (OLIVIDAE)
- concavospira, Planorbis concavospira H.E. Anton, 1838 - syn of: Biomphalaria glabrata (T. Say, 1818) - (PLANORBIDAE)
- concavospira boholensis, Oliva concavospira boholensis E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- concavospira grandicallosa, Oliva concavospira grandicallosa E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- concavospira griseizona, Achatinella concavospira griseizona H.A. Pilsbry & C.M. Cooke, 1914 - (ACHATINELLIDAE)
- concavospira turbiniformis, Achatinella concavospira turbiniformis (J.T. Gulick, 1873) - (ACHATINELLIDAE)
- concavum, Paracaloceras concavum Taylor, 1998 † - (ARIETITIDAE) (FOSSIL)
- concavum, Graphoceras concavum (J. de C. Sowerby, 1815 †) - (GRAPHOCERATIDAE) (FOSSIL)
- concavum, Haplotrema concavum (T. Say, 1821) - (HAPLOTREMATIDAE)
- concavum, Sinum concavum J.B.P.A. Lamarck, 1822 - (NATICIDAE)
- concavum, Orthonychia concavum J.W. Hall, 1859 † - (ORTHONYCHIIDAE) (FOSSIL)
- concavum, Otoceras concavum Tozer, 1967 † - (OTOCERATIDAE) (FOSSIL)
- concavum, Eocalliostoma concavum F. Haas, 1953 † - (PROCONULIDAE) (FOSSIL)
- concavum, Pliendoceras concavum Flower, 1956 † - (PROTEROCAMEROCERATIDAE) (FOSSIL)
- concavum, Infundibulum concavum (J.F. Gmelin, 1791) - (TROCHIDAE)
- concavum, Weitschaticeras concavum Brayard & Bucher, 2008 † - (XENOCELTITIDAE) (FOSSIL)
- concavus, Stacheites concavus Shevyrev, 1968 † - (DINARITIDAE) (FOSSIL)
- concavus, Stilifer concavus A. Warén, 1980 - (EULIMIDAE)
- concavus, Lusitanites concavus Ruzhentsev & Bogoslovskaya, 1971 † - (NEOGLYPHIOCERATIDAE) (FOSSIL)
- concavus, Gyraulus concavus G. Mandahl-Barth, 1954 - (PLANORBIDAE)
- concavus, Gudeodiscus concavus B. Páll-Gergely, 2013 - (PLECTOPYLIDAE)
- concavus, Eotrochus concavus J.W. Hall, 1856 † - syn of: Eotrochus tenuimarginatus (Miller, 1877 †) - (PSEUDOPHORIDAE) (FOSSIL)
- concavus, Spondylus concavus G.P. Deshayes in L. Maillard, 1863 - (SPONDYLIDAE)
- concavus, Tectus concavus J.F. Gmelin, 1791 - syn of: Infundibulum concavum (J.F. Gmelin, 1791) - (TEGULIDAE)
- concavus vinosus, Terebra concavus vinosus W.H. Dall, 1889 - syn of: Terebra vinosa W.H. Dall, 1889 - (TEREBRIDAE)
- concentrata, Endodonta concentrata H.A. Pilsbry & E.G. Vanatta, 1906 - (ENDODONTIDAE)
- concentrata, Oreohelix concentrata (W.H. Dall, 1896) - (OREOHELICIDAE)
- concentrata grahamensis, Oreohelix concentrata grahamensis W.O. Gregg & W.B. Miller, 1972 - (OREOHELICIDAE)
- concentratum, Jeppssonoceras concentratum Stridsberg, 1985 † - (TRIMEROCERATIDAE) (FOSSIL)
- concentratus, Cyclotus concentratus H.A. Pilsbry & Y. Hirase, 1905 - (CYCLOPHORIDAE)
- concentratus, Taphius montanus concentratus (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- concentrica, Annuliconcha concentrica Hind, 1904 † - (ANNULICONCHIDAE) (FOSSIL)
- concentrica, Arca concentrica Münster, 1841 - syn of: Cucullaea aspasia A.V.M.D. D'Orbigny, 1849 - (ARCIDAE)
- concentrica, Isocyprina concentrica (J.E.S. Moore, 1861 †) - (ARCTICIDAE) (FOSSIL)
- concentrica, Astartella concentrica (T.A. Conrad, 1842 †) - (ASTARTIDAE) (FOSSIL)
- concentrica, Woodia concentrica M. Yokoyama, 1920 - syn of: Lucinoma annulatum (L.A. Reeve, 1850) - (ASTARTIDAE)
- concentrica, Astartella concentrica McChesney, 1859 † - syn of: Astartella concentrica (T.A. Conrad, 1842 †) - (ASTARTIDAE) (FOSSIL)
- concentrica, Buchia concentrica (Sowerby, 1827 †) - (BUCHIIDAE) (FOSSIL)
- concentrica, Calyptraea concentrica (Lea, 1843) - (CALYPTRAEIDAE)
- concentrica, Ceratomya concentrica (J. de C. Sowerby, 1825 †) - (CERATOMYIDAE) (FOSSIL)
- concentrica, Cuna concentrica C. Hedley, 1902 - (CONDYLOCARDIIDAE)
- concentrica, Condylocuna concentrica (F. Bernard, 1897) - (CONDYLOCARDIIDAE)
- concentrica, Cuna concentrica P. Bartsch, 1915 - syn of: Cuna bartschi K.H. Barnard, 1964 - (CONDYLOCARDIIDAE)
- concentrica, Concentricavalva concentrica Wesselingh, 2006 † - (CORBULIDAE) (FOSSIL)
- concentrica, Antiquicorbula concentrica Hautmann 2001 † - (CORBULIDAE) (FOSSIL)
- concentrica, Cypricardella concentrica Hind, 1899 † - (CRASSATELLIDAE) (FOSSIL)
- concentrica, Crassatella concentrica F. Dujardin, 1837 † - (CRASSATELLIDAE) (FOSSIL)
- concentrica, Crassatellopsis hauchecornei concentrica Spriestersbach, 1942 † - (CRASSATELLOPSIDAE) (FOSSIL)
- concentrica, Cuspidaria concentrica K.H.J. Thiele, 1912 - (CUSPIDARIIDAE)
- concentrica, Cylichnella concentrica (A. Adams, 1855) - (CYLICHNIDAE)
- concentrica, Cyrtodontula concentrica (Ulrich, 1892 †) - (CYRTODONTIDAE) (FOSSIL)
- concentrica, Platydoris concentrica M.J.C.L. de Savigny, 1826 - syn of: Platydoris argo (C. Linnaeus, 1767) - (DISCODORIDIDAE)
- concentrica, Edmondia concentrica Etheridge, 1872 † - syn of: Pyramus concentricus (Etheridge, 1872 †) - (EDMONDIIDAE) (FOSSIL)
- concentrica, Edmondia concentrica McChesney, 1859 † - syn of: Astartella concentrica (T.A. Conrad, 1842 †) - (EDMONDIIDAE) (FOSSIL)
- concentrica, Siphonophyla concentrica (Münster, 1841 †) - (EULIMIDAE) (FOSSIL)
- concentrica, Polygona concentrica (L.A. Reeve, 1847) - (FASCIOLARIIDAE)
- concentrica, Glycymeris concentrica (R.W. Dunker, 1853) - (GLYCYMERIDIDAE)
- concentrica, Baylea concentrica (B. Phillips, 1836 †) - (GOSSELETINIDAE) (FOSSIL)
- concentrica, Helicina concentrica L. Pfeiffer, 1848 - (HELICINIDAE)
- Concentrica, syn of: Subgenus Helicina (Oxyrhombus) P. Fischer & J.C.H. Crosse, 1893 (HELICINIDAE)
- concentrica, Reesidella concentrica Pan, 1980 † - (HYDROBIIDAE) (FOSSIL)
- concentrica, Tolmachovia concentrica B.F. Howell & T. Kobayashi, 1936 † - (ISCHYRINIIDAE) (FOSSIL)
- concentrica, Kelliella concentrica J.A. Allen, 2001 - (KELLIELLIDAE)
- concentrica, Cryptobranchia concentrica (A.T. von Middendorff, 1851) - (LEPETIDAE)
- concentrica, Lepeta concentrica A.T. von Middendorff, 1851 - syn of: Cryptobranchia concentrica (A.T. von Middendorff, 1851) - (LEPETIDAE)
- concentrica, Lepetopsis concentrica Tolmachoff, 1930 † - syn of: Calloconus concentrica (Tolmachoff, 1930 †) - (LEPETOPSIDAE) (FOSSIL)
- concentrica, Lima concentrica G.B. III Sowerby, 1888 - syn of: Ctenoides concentricus (G.B. III Sowerby, 1888) - (LIMIDAE)
- concentrica, Epilucina concentrica (J.B.P.A. Lamarck, 1806 †) - (LUCINIDAE) (FOSSIL)
- concentrica, Ontaria concentrica (von Buch 1832) † - (LUNULACARDIIDAE) (FOSSIL)
- concentrica, Mactra concentrica J.B.G.M. Bory De Saint-Vincent, 1827 - syn of: Mactrellona alata (L. Spengler, 1802) - (MACTRIDAE)
- concentrica, Malletia concentrica K.H.J. Thiele, 1912 - syn of: Tindaria concentrica (K.H.J. Thiele, 1912) - (MALLETIIDAE)
- concentrica, Mesodesma concentrica F.S. Holmes, 1858 - syn of: Ervilia nitens (G. Montagu, 1808) - (MESODESMATIDAE)
- concentrica, Calloconus concentrica (Tolmachoff, 1930 †) - (METOPTOMATIDAE) (FOSSIL)
- concentrica, Modiolopsis concentrica J.W. Hall & R.P. Whitfield, 1875 † - (MODIOMORPHIDAE) (FOSSIL)
- concentrica, Modiomorpha concentrica (T.A. Conrad, 1838 †) - (MODIOMORPHIDAE) (FOSSIL)
- concentrica, Nassa concentrica F.P. Marrat, 1874 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concentrica, Micropolia concentrica C.F. Laseron, 1953 - (NEOLEPTONIDAE)
- concentrica, Pachykellya concentrica A.W.B. Powell, 1927 - (NEOLEPTONIDAE)
- concentrica, Davisia concentrica H.B. Preston, 1912 - syn of: Neolepton cobbi (J.E. Cooper & H.B. Preston, 1910) - (NEOLEPTONIDAE)
- concentrica, Huxleyia concentrica (J.C. Verco, 1907) - (NUCINELLIDAE)
- concentrica, Zealeda concentrica J. Marwick, 1931 † - (NUCULANIDAE) (FOSSIL)
- concentrica, Nuculana concentrica (T. Say, 1824) - (NUCULANIDAE)
- concentrica, Pronucula concentrica B.C. Cotton, 1930 - syn of: Nucula pusilla G.F. Angas, 1877 - (NUCULIDAE)
- concentrica, Nucula concentrica T. Say, 1824 - syn of: Nuculana concentrica (T. Say, 1824) - (NUCULIDAE)
- concentrica, Crassostrea concentrica J.B.G.M. Bory De Saint-Vincent, 1827 - syn of: Striostrea margaritacea (J.B.P.A. Lamarck, 1819) - (OSTREIDAE)
- concentrica, Palaeonarica concentrica (Münster, 1841 †) - (PALAEONARICIDAE) (FOSSIL)
- concentrica, Floyda concentrica W.H. Webster, 1905 † - (PALAEOTROCHIDAE) (FOSSIL)
- concentrica, Rhynchopelta concentrica J.H. McLean, 1989 - (PELTOSPIRIDAE)
- concentrica, Zirlona concentrica (H.H. Suter, 1917 †) - (PHOLADIDAE) (FOSSIL)
- concentrica, Fossarus concentrica Münster, 1841 † - syn of: Palaeonarica concentrica (Münster, 1841 †) - (PLANAXIDAE) (FOSSIL)
- concentrica, Psilomya concentrica Stanton † - (POROMYIDAE) (FOSSIL)
- concentrica, Amphiplica concentrica (K.H.J. Thiele, 1909) - (PSEUDOCOCCULINIDAE)
- concentrica, Pseudomonotis concentrica Yabe, 1928 † - syn of: Claraia concentrica (Yabe, 1928 †) - (PSEUDOMONOTIDAE) (FOSSIL)
- concentrica, Pterinea concentrica T.A. Conrad, 1838 † - syn of: Modiomorpha concentrica (T.A. Conrad, 1838 †) - (PTERINEIDAE) (FOSSIL)
- concentrica, Claraia concentrica (Yabe, 1928 †) - (PTERINOPECTINIDAE) (FOSSIL)
- concentrica, Praeundulomya concentrica Dickins, 1957 † - (SANGUINOLITIDAE) (FOSSIL)
- concentrica, Ervilia concentrica (F.S. Holmes, 1860) - (SEMELIDAE)
- concentrica, Leptomya concentrica J. Marwick, 1928 † - (SEMELIDAE) (FOSSIL)
- concentrica, Ervilia concentrica A.A. Gould, 1862 - syn of: Ervilia nitens (G. Montagu, 1808) - (SEMELIDAE)
- concentrica, Leptinaria concentrica L.A. Reeve, 1849 - syn of: Leptinaria lamellata concentrica (L.A. Reeve, 1849) - (SUBULINIDAE)
- concentrica, Leptinaria lamellata concentrica (L.A. Reeve, 1849) - (SUBULINIDAE)
- concentrica, Tellina concentrica A.A. Gould, 1850 - syn of: Tellina capsoides J.B.P.A. Lamarck, 1818 - (TELLINIDAE)
- concentrica, Melania concentrica Münster, 1841 † - (THIARIDAE) (FOSSIL)
- concentrica, Thracia concentrica C.A. Récluz, 1853 - syn of: Thracia distorta (G. Montagu, 1803) - (THRACIIDAE)
- concentrica, Tindaria concentrica (K.H.J. Thiele, 1912) - (TINDARIIDAE)
- concentrica, Turbinella concentrica L.A. Reeve, 1847 - syn of: Polygona concentrica (L.A. Reeve, 1847) - (TURBINELLIDAE)
- concentrica, Dosinia concentrica (I. von Born, 1778) - (VENERIDAE)
- concentrica, Venus concentrica I. von Born, 1778 - syn of: Dosinia concentrica (I. von Born, 1778) - (VENERIDAE)
- concentrica, Parastarte concentrica W.H. Dall, 1889 - syn of: Gemma gemma (J.G. Totten, 1834) - (VENERIDAE)
- concentrica chambliensis, Modiolopsis concentrica chambliensis Foerste, 1924 † - (MODIOMORPHIDAE) (FOSSIL)
- concentrica prosapia, Dosinia concentrica prosapia N.E. Weisbord, 1964 - syn of: Dosinia concentrica (I. von Born, 1778) - (VENERIDAE)
- Concentricavalva, Genus Concentricavalva Wesselingh, 2006 (CORBULIDAE) (FOSSIL)
- concentricta, Retusa concentricta (A. Adams, 1850) - syn of: Pyrunculus concentricus (A. Adams, 1850) - (RETUSIDAE)
- concentricum, Bathysciadium concentricum W.H. Dall, 1927 - (BATHYSCIADIIDAE)
- concentricum, Vexillum concentricum (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- concentricum, Lepton concentricum (A.A. Gould, 1861) - (LASAEIDAE)
- concentricum, Unicardium concentricum B. Wade, 1926 † - (MACTROMYIDAE) (FOSSIL)
- concentricum, Neolepton concentricum (H.B. Preston, 1912) - (NEOLEPTONIDAE)
- concentricum, Pleurotomaria concentricum B. Phillips, 1836 † - syn of: Baylea concentrica (B. Phillips, 1836 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- concentricum, Pomatias concentricum C.B. Adams, 1849 - syn of: Adamsiella variabilis (C.B. Adams, 1849) - (POMATIIDAE)
- concentricum, Semele concentricum G. Nevill in E. Liénard, 1877 - syn of: Semele carnicolor (S.C.T. Hanley, 1845) - (SEMELIDAE)
- concentricum, Teinostoma concentricum A. Adams, 1863 - (TORNIDAE)
- concentricum, Tornoceras concentricum House, 1965 † - syn of: Phoenixites concentricus (House, 1965 †) - (TORNOCERATIDAE) (FOSSIL)
- concentricum, Infundibulum concentricum Lea, 1843 † - (TROCHIDAE) (FOSSIL)
- concentricus, Chiton concentricus G.B. II Sowerby, 1841 - syn of: Lepidopleurus cajetanus (G.S. Poli, 1791) - (CHITONIDAE)
- concentricus, Goniatites concentricus F. Hodson & Moore, 1959 † - (GONIATITIDAE) (FOSSIL)
- concentricus, Aegitellus concentricus S.Y. Feng & al., 2000 † - syn of: Aegitellus placus (Luo & al., 1982 †) - (HELCIONELLIDAE) (FOSSIL)
- concentricus, Actinoceramus concentricus (Parkinson, 1819 †) - (INOCERAMIDAE) (FOSSIL)
- concentricus, Mytiloides concentricus Parkinson, 1819 † - syn of: Actinoceramus concentricus (Parkinson, 1819 †) - (INOCERAMIDAE) (FOSSIL)
- concentricus, Lepidopleurus concentricus G.B. II Sowerby, 1840 - syn of: Lepidopleurus cajetanus (G.S. Poli, 1791) - (LEPTOCHITONIDAE)
- concentricus, Ctenoides concentricus (G.B. III Sowerby, 1888) - (LIMIDAE)
- concentricus, Pyramus concentricus (Etheridge, 1872 †) - (MEGADESMIDAE) (FOSSIL)
- concentricus, Modiolopsis concentricus R.P. Whitfield 1893 † - (MODIOMORPHIDAE) (FOSSIL)
- concentricus, Pecten concentricus T. Say, 1822 - syn of: Argopecten irradians concentricus (T. Say, 1822) - (PECTINIDAE)
- concentricus, Pecten concentricus E. Forbes, 1844 - syn of: Parvamussium fenestratum (E. Forbes, 1844) - (PECTINIDAE)
- concentricus, Argopecten irradians concentricus (T. Say, 1822) - (PECTINIDAE)
- concentricus, Uncancylus concentricus (A.V.M.D. D'Orbigny, 1835) - (PLANORBIDAE)
- concentricus, Pyrunculus concentricus (A. Adams, 1850) - (RETUSIDAE)
- concentricus, Sanguinolites concentricus Etheridge, 1872 † - syn of: Pyramus concentricus (Etheridge, 1872 †) - (SANGUINOLITIDAE) (FOSSIL)
- concentricus, Archaeocyathus concentricus E. Griffith, 1910 † - syn of: Ilsanella enallaxa Jacquet & P. Brock, 2016 † - (SCENELLIDAE) (FOSSIL)
- concentricus, Schizodus concentricus (Moore) † - (SCHIZODIDAE) (FOSSIL)
- concentricus, Spondylus concentricus H.G. Bronn, 1831 † - (SPONDYLIDAE) (FOSSIL)
- concentricus, Axinus concentricus J.E.S. Moore, 1861 † - syn of: Isocyprina concentrica (J.E.S. Moore, 1861 †) - (THYASIRIDAE) (FOSSIL)
- concentricus, Phoenixites concentricus (House, 1965 †) - (TORNOCERATIDAE) (FOSSIL)
- concentricus brasiliensis, Actinoceramus concentricus brasiliensis White, 1887 † - (INOCERAMIDAE) (FOSSIL)
- concentricus costatus, Actinoceramus concentricus costatus T. Nagao & E. Matsumoto, 1939 † - (INOCERAMIDAE) (FOSSIL)
- concentricus nipponicus, Actinoceramus concentricus nipponicus T. Nagao & E. Matsumoto, 1939 † - syn of: Inoceramus nipponicus T. Nagao & E. Matsumoto, 1939 † - (INOCERAMIDAE) (FOSSIL)
- concepcionensis, Enixotrophon concepcionensis (R. Houart & J. Sellanes, 2006) - (MURICIDAE)
- concepcionensis, Haplocochlias concepcionensis (H.N. Lowe, 1933) - (SKENEIDAE)
- conceptionis, Propeleda conceptionis W.H. Dall, 1896 - syn of: Poroleda uschakovi (O.A. Scarlato, 1981) - (NUCULANIDAE)
- conceptionis, Leda conceptionis W.H. Dall, 1896 - syn of: Poroleda uschakovi (O.A. Scarlato, 1981) - (NUCULANIDAE)
- conceptionis, Nucula conceptionis W.H. Dall, 1896 - syn of: Poroleda uschakovi (O.A. Scarlato, 1981) - (NUCULIDAE)
- conceptionis, Yoldia conceptionis W.H. Dall, 1896 - syn of: Poroleda uschakovi (O.A. Scarlato, 1981) - (YOLDIIDAE)
- conceptum, Weinlandipoma gonavense conceptum P. Bartsch, 1946 - (POMATIIDAE)
- concerpta, Ocinebrina concerpta (L.M.D. Bellardi, 1873 †) - (MURICIDAE) (FOSSIL)
- concestator, Unio concestator I. Lea, 1857 - syn of: Villosa lienosa (T.A. Conrad, 1834) - (UNIONIDAE)
- concha, Astarte concha M. Huber, 2010 - (ASTARTIDAE)
- conchacea, Patella conchacea J.F. Gmelin, 1791 - syn of: Nacella mytilina (G.S. Helbling, 1779) - (PATELLIDAE)
- conchafodentis, Lithophaga conchafodentis Gardner, 1916 † - (MYTILIDAE) (FOSSIL)
- conchaphila, Ostrea conchaphila Carpenter, 1857 - (OSTREIDAE)
- conchaphila palmula, Ostrea conchaphila palmula P.P. Carpenter, 1857 - syn of: Saccostrea palmula (Carpenter, 1857) - (OSTREIDAE)
- conchaphila palmula, Saccostrea conchaphila palmula P.P. Carpenter, 1857 - syn of: Saccostrea palmula (Carpenter, 1857) - (OSTREIDAE)
- concharum, Lepidopleurus concharum A. de Rochebrune, 1884 - syn of: Lepidozona luzonica (G.B. II Sowerby, 1842) - (LEPTOCHITONIDAE)
- Conchatalos, Genus Conchatalos R. Houart, 1995 (MURICIDAE)
- conchenensis, Aroapyrgus conchenensis B. Walker, 1919 - syn of: Aroapyrgus conchensensis (B. Walker, 1919) - (COCHLIOPIDAE)
- conchensensis, Amnicola conchensensis B. Walker, 1919 - syn of: Aroapyrgus conchensensis (B. Walker, 1919) - (AMNICOLIDAE)
- conchensensis, Aroapyrgus conchensensis (B. Walker, 1919) - (COCHLIOPIDAE)
- Conchentopyx, Genus Conchentopyx K.H. Barnard, 1964 (MONTACUTIDAE)
- concheyroae, Microfulgur concheyroae Del Rio, 2012 † - (FASCIOLARIIDAE) (FOSSIL)
- conchibellum, Prunum conchibellum J. Espinosa, J.A. Ortea & L. Moro, 2010 - (MARGINELLIDAE)
- conchiferum, Stearoceras conchiferum (A. Hyatt, 1891 †) - (GRYPOCERATIDAE) (FOSSIL)
- conchita, Balcis conchita A.M. Keen, 1943 † - (EULIMIDAE) (FOSSIL)
- Conchocele, Genus Conchocele W.M. Gabb, 1866 (THYASIRIDAE)
- Conchodon, Genus Conchodon Stoppani, 1865 (MEGALODONTIDAE) (FOSSIL)
- Conchodromus, syn of: Genus Dromus C.T. Simpson, 1900 (UNIONIDAE)
- Concholepa, syn of: Genus Concholepas E. Klein in J.G. Bruguiθre, 1792 (MURICIDAE)
- concholepas, Buccinum concholepas J.G. Bruguière, 1789 - syn of: Concholepas concholepas (J.G. Bruguière, 1789) - (BUCCINIDAE)
- Concholepas, Genus Concholepas E. Klein in J.G. Bruguiθre, 1792 (MURICIDAE)
- concholepas, Concholepas concholepas (J.G. Bruguière, 1789) - (MURICIDAE)
- Conchopatella, syn of: Genus Concholepas E. Klein in J.G. Bruguiθre, 1792 (MURICIDAE)
- Conchorhynchus, Genus Conchorhynchus de Blainville, 1827 (CEPHALOPODA (UNASSIGNED)) (FOSSIL)
- conchos, Disconaias conchos D.W. Taylor, 1997 - (UNIONIDAE)
- Conchothyra, Genus Conchothyra Hutton, 1877 (STRUTHIOLARIIDAE)
- conchotrypa, Hiatella conchotrypa R.A. Philippi, 1845 - syn of: Hiatella arctica (C. Linnaeus, 1767) - (HIATELLIDAE)
- Conchula, Genus Conchula Conchula Herrmannsen, 1847 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Conchulus, syn of: Genus Concholepas E. Klein in J.G. Bruguiθre, 1792 (MURICIDAE)
- conchyliatus, Goniobranchus conchyliatus (N. Yonow, 1984) - (CHROMODORIDIDAE)
- conchyliophila, Gastrochaena conchyliophila P.M. Pallary, 1900 - syn of: Rocellaria dubia (T. Pennant, 1777) - (GASTROCHAENIDAE)
- conchyliophora, Xenophora conchyliophora (I. von Born, 1780) - (XENOPHORIDAE)
- conchyliophora robusta, Xenophora conchyliophora robusta A.E. Verrill, 1870 - (XENOPHORIDAE)
- conchyliophorus, Trochus conchyliophorus I. von Born, 1780 - syn of: Xenophora conchyliophora (I. von Born, 1780) - (TROCHIDAE)
- conchyliophorus, Xenophora conchyliophorus I. von Born, 1780 - syn of: Xenophora conchyliophora (I. von Born, 1780) - (XENOPHORIDAE)
- Conchylium, syn of: Genus Ampullaria P.D. Montfort, 1810 (AMPULLARIIDAE)
- concidens, Achatinella caesia concidens J.T. Gulick, 1858 - (ACHATINELLIDAE)
- concii, Iglica concii (Allegretti, 1944) - (HYDROBIIDAE)
- concilians, Graciliaria concilians (A. Schmidt, 1857) - (CLAUSILIIDAE)
- conciliata, Cellana conciliata T. Iredale, 1940 - (NACELLIDAE)
- conciliata, Pyrgulina conciliata Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- conciliatrix, Carinigera buresi conciliatrix (A. Fuchs & F. Käufel, 1936) - (CLAUSILIIDAE)
- conciliatrix, Rothifruticicola nicosiana conciliatrix A. Fuchs & F. Käufel, 1936 - (HYGROMIIDAE)
- conciliatum, Mammites conciliatum (F. Stoliczka, 1865 †) - (ACANTHOCERATIDAE) (FOSSIL)
- Conciliopsis, syn of: Genus Cerithiopsis E. Forbes & S.C.T. Hanley, 1850 (CERITHIOPSIDAE)
- Conciliopsis, syn of: Genus Cerithiopsis E. Forbes & S.C.T. Hanley, 1850 (CERITHIOPSIDAE)
- concina, Strophiops concina C.J. Maynard, 1924 - (CERIONIDAE)
- Concinella, Genus Concinella Betekhtina, 1966 (PROKOPIEVSKIIDAE) (FOSSIL)
- concinna, Achatinella concinna W. Newcomb - syn of: Laminella concinna W. Newcomb, 1854 - (ACHATINELLIDAE)
- concinna, Acmaea concinna C.E. Lischke - syn of: Nipponacmea concinna (C.E. Lischke, 1870) - (ACMAEIDAE)
- concinna, Allatheca concinna Missarzehevsky in Rozanov & al., 1969 † - (ALLATHECIDAE) (FOSSIL)
- concinna, Laminella concinna W. Newcomb, 1854 - (AMASTRIDAE)
- concinna, Anatoma concinna (C.B. Adams, 1862) - (ANATOMIDAE)
- concinna, Amalda concinna T. Ninomiya, 1990 - (ANCILLARIIDAE)
- concinna, Anthracosia concinna (W.B. Wright, 1928 †) - (ANTHRACOSIIDAE) (FOSSIL)
- concinna, Anadara concinna (G.B. I Sowerby, 1833) - (ARCIDAE)
- concinna, Assiminea concinna C.B. Adams, 1850 - syn of: Assiminea succinea (L. Pfeiffer, 1840) - (ASSIMINEIDAE)
- concinna, Barleeia concinna C.B. Adams - (BARLEEIIDAE)
- concinna, Helicostyla concinna G.B. I Sowerby, 1841 - (BRADYBAENIDAE)
- concinna, Bradybaena acustina concinna H.A. Pilsbry, 1934 - (BRADYBAENIDAE)
- concinna, Siphonalia concinna A. Adams, 1863 - (BUCCINIDAE)
- concinna, Savatieria concinna J.C. Melvill & R. Standen, 1912 - syn of: Savatieria areolata H. Strebel, 1905 - (BUCCINIDAE)
- concinna, Cardinia concinna (Sowerby, 1819 †) - (CARDINIIDAE) (FOSSIL)
- concinna, Carditellopsis concinna (J.C. Melvill, 1918) - (CARDITIDAE)
- concinna, Cerithiopsis concinna E.R. Sykes, 1925 - syn of: Narrimania concinna (E.R. Sykes, 1925) - (CERITHIOPSIDAE)
- concinna, Biomphalopa concinna (C. Hedley, 1924) - (CHAROPIDAE)
- concinna, Perrinia concinna (A. Adams, 1864) - (CHILODONTIDAE)
- concinna, Clathurella concinna R.W. Dunker, 1871 - syn of: Gemmula concinna (R.W. Dunker, 1871) - (CLATHURELLIDAE)
- concinna, Albinaria gerolimena concinna W.A. Fauer, 1978 - (CLAUSILIIDAE)
- concinna, Omphaloptycha concinna (Klipstein, 1843 †) - (COELOSTYLINIDAE) (FOSSIL)
- concinna, Columbella concinna G.B. I Sowerby, 1822 - syn of: Rhombinella laevigata (C. Linnaeus, 1758) - (COLUMBELLIDAE)
- concinna, Eucrassatella concinna A. Adams, 1854 - syn of: Talabrica sagamiensis (J.T. Kuroda & T. Habe in J.T. Kuroda & al., 1971) - (CRASSATELLIDAE)
- concinna, Crosseola concinna (G.F. Angas, 1867) - (CROSSEOLIDAE)
- concinna, Ctenodonta concinna Bradley, 1930 † - (CTENODONTIDAE) (FOSSIL)
- concinna, Cardiomya concinna (R.B. Hinds, 1843) - (CUSPIDARIIDAE)
- concinna, Cuthonella concinna (J. Alder & A. Hancock, 1843) - (CUTHONELLIDAE)
- concinna, Corbicula concinna P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- concinna, Diplommatina concinna A. Adams, 1872 - (DIPLOMMATINIDAE)
- concinna, Gonyodiscus concinna R.T. Lowe, 1861 - syn of: Canaridiscus kompsus (J.F. Mabille, 1883) - (DISCIDAE)
- concinna, Montereina concinna (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- concinna, Doris concinna J. Alder & A. Hancock, 1864 - syn of: Montereina concinna (J. Alder & A. Hancock, 1864) - (DORIDIDAE)
- concinna, Pavlovia concinna (Neaverson) † - (DORSOPLANITIDAE) (FOSSIL)
- concinna, Marinula concinna (C.B. Adams, 1852) - (ELLOBIIDAE)
- concinna, Endodonta concinna C. Hedley, 1901 - syn of: Discocharopa aperta (O.F. von Möllendorff, 1888) - (ENDODONTIDAE)
- concinna, Pittoconcha concinna H.B. Preston, 1913 - (EUCONULIDAE)
- concinna, Kitikamispira concinna (J.W. Hall, 1876 †) - (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- concinna, Fasciolaria concinna R. Tate, 1888 † - (FASCIOLARIIDAE) (FOSSIL)
- concinna, Latirus maculatus concinna C.M. Tapparone-Canefri, 1880 - (FASCIOLARIIDAE)
- concinna, Emarginula concinna A. Adams, 1852 - (FISSURELLIDAE)
- concinna, Fissurella concinna R.A. Philippi, 1845 - syn of: Fissurella maxima Sowerby, 1835 - (FISSURELLIDAE)
- concinna, Dictyotomaria concinna Hoare & al., 1997 † - (GOSSELETINIDAE) (FOSSIL)
- concinna, Gymnodoris concinna (F.D. Abraham, 1876) - (GYMNODORIDIDAE)
- concinna, Haliotis concinna L.A. Reeve, 1846 - syn of: Haliotis varia C. Linnaeus, 1758 - (HALIOTIDAE)
- concinna, Helix concinna J.G. Jeffreys, 1830 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HELICIDAE)
- concinna, Alcadia concinna (J. Gundlach in L. Pfeiffer, 1857) - (HELICINIDAE)
- concinna, Pyrgula concinna B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- concinna, Trochulus concinna J.G. Jeffreys, 1830 - syn of: Trichia hispida (C. Linnaeus, 1758) - (HYGROMIIDAE)
- concinna, Leiostyla concinna R.T. Lowe, 1852 - (LAURIIDAE)
- concinna, Nipponacmea concinna (C.E. Lischke, 1870) - (LOTTIIDAE)
- concinna, Gonimyrtea concinna (F.W. Hutton, 1885) - (LUCINIDAE)
- concinna, Pillucina concinna (H. Adams, 1871 †) - (LUCINIDAE) (FOSSIL)
- concinna, Fimbria concinna (Damon, 1860 †) - (LUCINIDAE) (FOSSIL)
- concinna, Monitilora concinna (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- concinna, Corbis concinna Damon, 1860 † - syn of: Fimbria concinna (Damon, 1860 †) - (LUCINIDAE) (FOSSIL)
- concinna, Heterocithara concinna C. Hedley, 1922 - (MANGELIIDAE)
- concinna, Mangelia concinna A.A. Gould, 1861 - (MANGELIIDAE)
- concinna, Tenaturris concinna (C.B. Adams, 1852) - (MANGELIIDAE)
- concinna, Patinigera concinna H. Strebel, 1908 - syn of: Nacella polaris (J.B. Hombron & C.H. Jacquinot, 1841) - (NACELLIDAE)
- concinna, Nacella concinna H. Strebel, 1908 - syn of: Nacella polaris (J.B. Hombron & C.H. Jacquinot, 1841) - (NACELLIDAE)
- concinna, Cyllene concinna A. Adams, 1851 - (NASSARIIDAE)
- concinna, Nassarius concinna W.L. Powys, 1835 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concinna, Nassa concinna W.L. Powys, 1835 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concinna, Leda concinna A. Adams, 1856 - syn of: Nuculana costellata (G.B. I Sowerby, 1833) - (NUCULANIDAE)
- concinna, Nucula concinna Sowerby, 1836 † - (NUCULIDAE) (FOSSIL)
- concinna, Nucula concinna J.B.M. Dana, 1849 † - syn of: Polidevcia cryptica C.O. Waterhouse, 1988 † - (NUCULIDAE) (FOSSIL)
- concinna, Narrimania concinna (E.R. Sykes, 1925) - (NYSTIELLIDAE)
- concinna, Oliva concinna F.P. Marrat, 1871 - syn of: Oliva irisans concinna F.P. Marrat, 1871 - (OLIVIDAE)
- concinna, Oliva irisans concinna F.P. Marrat, 1871 - (OLIVIDAE)
- concinna, Diminovula concinna (G.B. II Sowerby in A. Adams & L.A. Reeve, 1848) - (OVULIDAE)
- concinna, Primovula concinna F.A. Schilder, 1932 - syn of: Procalpurnus semistriatus (W.H. Pease, 1862) - (OVULIDAE)
- concinna, Partula concinna W.H. Pease, 1872 - syn of: Partula taeniata (O.A.L. Mörch, 1850) - (PARTULIDAE)
- concinna, Excellichlamys concinna L.A. Reeve, 1853 - syn of: Gloripallium maculosum (P. Forsskål in C. Niebuhr, 1775) - (PECTINIDAE)
- concinna, Arcomya concinna (Tate) † - (PHOLADOMYIDAE) (FOSSIL)
- concinna, Physastra concinna (A. Adams & L.A. Reeve, 1864) - (PLANORBIDAE)
- concinna, Cyclonema concinna J.W. Hall, 1876 † - syn of: Kitikamispira concinna (J.W. Hall, 1876 †) - (PLATYCERATIDAE) (FOSSIL)
- concinna, Pleurotomaria concinna Klipstein, 1843 † - syn of: Wortheniella spuria (Münster, 1841 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- concinna, Pinctada concinna R.W. Dunker, 1872 - syn of: Pinctada albina (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- concinna, Avicula concinna R.W. Dunker, 1872 - syn of: Pinctada albina (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- concinna, Pyrgulina concinna (C.B. Adams, 1860) - (PYRAMIDELLIDAE)
- concinna, Monotygma concinna A. Adams, 1854 - syn of: Leucotina casta (A. Adams, 1853) - (PYRAMIDELLIDAE)
- concinna, Eulimella concinna J.G. Jeffreys, 1884 - syn of: Eulimella pyramidata (G.P. Deshayes, 1834) - (PYRAMIDELLIDAE)
- concinna, Gyrineum concinna R.W. Dunker, 1862 - syn of: Gyrineum concinnum (R.W. Dunker, 1862) - (RANELLIDAE)
- concinna, Daphnella concinna (R.W. Dunker, 1857) - (RAPHITOMIDAE)
- concinna, Raphitoma concinna (A. Scacchi, 1836) - (RAPHITOMIDAE)
- concinna, Hemidaphne concinna R.W. Dunker, 1857 - syn of: Daphnella concinna (R.W. Dunker, 1857) - (RAPHITOMIDAE)
- concinna, Philbertia concinna A. Scacchi, 1836 - syn of: Raphitoma concinna (A. Scacchi, 1836) - (RAPHITOMIDAE)
- concinna, Raphitoma concinna T.A. de M. Monterosato, 1877 - syn of: Raphitoma concinna (A. Scacchi, 1836) - (RAPHITOMIDAE)
- concinna, Raphitoma concinna É.A.A. Locard & E. Caziot, 1900 - syn of: Raphitoma concinna (A. Scacchi, 1836) - (RAPHITOMIDAE)
- concinna, Alvania concinna A. Adams, 1861 - (RISSOIDAE)
- concinna, Rissoa concinna G.B. Sowerby, 1879 - syn of: Isseliella mirabilis (H.C. Weinkauff, 1881) - (RISSOIDAE)
- concinna, Cingula concinna T.A. de M. Monterosato, 1869 - syn of: Crisilla beniamina (T.A. de M. Monterosato, 1884) - (RISSOIDAE)
- concinna, Rissoina concinna (C.F. Laseron, 1956) - (RISSOINIDAE)
- concinna, Scaphellina concinna (R.M. Branson, 1930 †) - (SCAPHELLINIDAE) (FOSSIL)
- concinna, Yezoites concinna J. Kennedy & Klinger, 2013 † - (SCAPHITIDAE) (FOSSIL)
- concinna, Sinuites concinna Ulrich & Scofield, 1897 † - syn of: Sinuites subcompressa Ulrich & Scofield, 1897 † - (SINUITIDAE) (FOSSIL)
- concinna, Siphonaria concinna G.B. I Sowerby, 1823 - (SIPHONARIIDAE)
- concinna, Monalaria concinna (H.H. Suter, 1917 †) - (STRUTHIOLARIIDAE) (FOSSIL)
- concinna, Tellina concinna R.A. Philippi, 1844 - syn of: Psammotreta brevifrons (T. Say, 1834) - (TELLINIDAE)
- concinna, Hastula concinna L.W. Dillwyn, 1817 - syn of: Hastula strigilata (C. Linnaeus, 1758) - (TEREBRIDAE)
- concinna, Terebra concinna G.P. Deshayes, 1857 - syn of: Oxymeris dillwynii (G.P. Deshayes, 1859) - (TEREBRIDAE)
- concinna, Thracia concinna L.A. Reeve, 1859 - (THRACIIDAE)
- concinna, Triphora concinna R.B. Hinds, 1843 - (TRIPHORIDAE)
- concinna, Gibbula concinna H.A. Pilsbry, 1890 - (TROCHIDAE)
- concinna, Synaptocochlea concinna (Gould, 1845) - (TROCHIDAE)
- concinna, Truncatella concinna W.H. Pease, 1871 - syn of: Truncatella guerinii A. Villa & J. Villa, 1841 - (TRUNCATELLIDAE)
- concinna, Gemmula concinna (R.W. Dunker, 1871) - (TURRIDAE)
- concinna, Pleurotoma concinna R.W. Dunker, 1857 - syn of: Daphnella concinna (R.W. Dunker, 1857) - (TURRIDAE)
- concinna, Pleurotoma concinna A. Scacchi, 1836 - syn of: Raphitoma concinna (A. Scacchi, 1836) - (TURRIDAE)
- concinna, Torrecoptis concinna C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- concinna, Radinista concinna (P. Marshall & R. Murdoch, 1921 †) - (VANIKORIDAE) (FOSSIL)
- concinna, Sunetta concinna R.W. Dunker, 1865 - (VENERIDAE)
- concinna, Timoclea concinna (J.M.R.M. Viader, 1951) - (VENERIDAE)
- concinna, Petricola concinna G.B. I Sowerby, 1834 † - (VENERIDAE) (FOSSIL)
- concinna, Lamelliconcha concinna (G.B. I Sowerby, 1835) - (VENERIDAE)
- concinna, Hysteroconcha concinna G.B. I Sowerby, 1835 - syn of: Lamelliconcha concinna (G.B. I Sowerby, 1835) - (VENERIDAE)
- concinna, Fulgoraria concinna (W.J. Broderip, 1836) - (VOLUTIDAE)
- concinna, Parvivoluta concinna B. Wade, 1926 † - (VOLUTIDAE) (FOSSIL)
- concinna, Psephaea concinna W.J. Broderip, 1836 - syn of: Fulgoraria concinna (W.J. Broderip, 1836) - (VOLUTIDAE)
- concinna, Microstelma concinna A. Adams, 1870 - (ZEBINIDAE)
- concinna albofasciata, Siphonaria concinna albofasciata C.F.F. von Krauss, 1848 - (SIPHONARIIDAE)
- concinna archeri, Helicostyla concinna archeri (W.J. Clench, 1936) - (BRADYBAENIDAE)
- concinna circumcincta, Laminella concinna circumcincta A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- concinna corrugata, Fulgoraria concinna corrugata (W.J. Broderip, 1836) - (VOLUTIDAE)
- concinna cyaneomaculata, Siphonaria concinna cyaneomaculata G.B. III Sowerby, 1906 - syn of: Siphonaria concinna G.B. I Sowerby, 1823 - (SIPHONARIIDAE)
- concinna inconcinna, Synaptocochlea concinna inconcinna (H.A. Pilsbry, 1920, 1921) - (TROCHIDAE)
- concinna kremerorum, Oliva concinna kremerorum E.J. Petuch & D.M. Sargent, 1986 - syn of: Oliva irisans kremerorum E.J. Petuch & D.M. Sargent, 1986 - (OLIVIDAE)
- concinna maderensis, Raphitoma concinna maderensis F. Nordsieck & F.F. Talavera, 1979 - (RAPHITOMIDAE)
- concinna minor, Nassa concinna minor M.M. Schepman, 1907 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concinna oldi, Oliva concinna oldi R.F. Zeigler, 1969 - syn of: Oliva irisans oldi R.F. Zeigler, 1969 - (OLIVIDAE)
- concinna rosea, Fulgoraria concinna rosea (W.J. Broderip, 1836) - (VOLUTIDAE)
- concinna virens, Helicostyla concinna virens L. Pfeiffer, 1842 - (BRADYBAENIDAE)
- concinnata, Clavatula concinnata Wood, 1848 † - (CLAVATULIDAE) (FOSSIL)
- concinnata, Argopecten concinnata W.P. Woodring, 1925 † - syn of: Argopecten uselmae H.A. Pilsbry & Johnson, 1917 † - (PECTINIDAE) (FOSSIL)
- concinnata, Onoba concinnata J.G. Jeffreys, 1883 - (RISSOIDAE)
- concinnata major, Onoba concinnata major F. Nordsieck, 1972 - (RISSOIDAE)
- concinniformis, Discodoris concinniformis L.S.R. Bergh, 1888 - syn of: Montereina concinna (J. Alder & A. Hancock, 1864) - (DISCODORIDIDAE)
- Concinnispira, Genus Concinnispira Zernetskaja, 1983 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- concinnula, Columbella concinnula J.C.H. Crosse, 1858 - syn of: Parametaria dupontii (L.C. Kiener, 1846) - (COLUMBELLIDAE)
- concinnula, Holopea concinnula Ulrich & Scofield, 1897 † - (HOLOPEIDAE) (FOSSIL)
- concinnula, Eunema concinnula Ulrich & Scofield, 1897 † - (LOPHOSPIRIDAE) (FOSSIL)
- concinnula, Propebela concinnula (A.E. Verrill, 1882) - (MANGELIIDAE)
- concinnula, Vertigo concinnula T.D.A. Cockerell, 1897 - (VERTIGINIDAE)
- concinnula acuta, Propebela concinnula acuta (A.E. Verrill, 1882) - (MANGELIIDAE)
- concinnulum, Pisidium concinnulum H.B. Herrington, 1954 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- concinnulus, Conus concinnulus J.C.H. Crosse, 1858 - syn of: Parametaria dupontii (L.C. Kiener, 1846) - (CONIDAE)
- concinnum, Buccinum concinnum L.W. Dillwyn, 1817 - syn of: Hastula strigilata (C. Linnaeus, 1758) - (BUCCINIDAE)
- concinnum, Buccinum concinnum R. Tiba, 1980 - syn of: Buccinum kashimanum T.A. Okutani, 1964 - (BUCCINIDAE)
- concinnum, Busycotypus concinnum (T.A. Conrad, 1875 †) - (BUSYCONIDAE) (FOSSIL)
- concinnum, Pseudocadoceras concinnum (S.S. Buckman, 1927 †) - (CADOCERATIDAE) (FOSSIL)
- concinnum, Cardium concinnum Buch, 1844 † - (CARDIIDAE) (FOSSIL)
- concinnum, Vexillum crocatum concinnum L.A. Reeve, 1844 - (COSTELLARIIDAE)
- concinnum, Leptopoma vitreum concinnum (G.B. Sowerby, 1843) - (CYCLOPHORIDAE)
- concinnum, Fissidentalium concinnum (E.C. Von Martens, 1878) - (DENTALIIDAE)
- concinnum, Plectostoma concinnum (H.C. Fulton, 1901) - (DIPLOMMATINIDAE)
- concinnum, Epitonium concinnum G.B. Sowerby, 1844 - syn of: Epitonium sowerbyanum (P. Nyst, 1871) - (EPITONIIDAE)
- concinnum, Harpoceras concinnum Buckman, 1927 † - syn of: Harpoceras falciferum J. de C. Sowerby, 1820 † - (HILDOCERATIDAE) (FOSSIL)
- concinnum, Hippocardia concinnum J.W. Hall, 1883 † - syn of: Hoareicardia cuneus (T.A. Conrad, 1840 †) - (HIPPOCARDIIDAE) (FOSSIL)
- concinnum, Trophon concinnum A. Adams, 1862 - syn of: Scabrotrophon tegularis (A.N. Golikov & V.V. Gulbin, 1977) - (MURICIDAE)
- concinnum, Cyclonema concinnum J.W. Hall, 1876 † - syn of: Kitikamispira concinna (J.W. Hall, 1876 †) - (PLATYCERATIDAE) (FOSSIL)
- concinnum, Cyclostoma concinnum A. Scacchi, 1836 - syn of: Truncatella subcylindrica (C. Linnaeus, 1767) - (POMATIIDAE)
- concinnum, Gyrineum concinnum (R.W. Dunker, 1862) - (RANELLIDAE)
- concinnum, Infundibulum concinnum A. Adams, 1855 - syn of: Trochus cariniferus L.A. Reeve, 1842 - (TROCHIDAE)
- concinnus, Ammonites concinnus B. Phillips, 1829 † - syn of: Grammatodon concinnus (B. Phillips, 1829 †) - (AMMONITIDA (unassigned)) (FOSSIL)
- concinnus, Caducifer concinnus (L.A. Reeve, 1844) - (BUCCINIDAE)
- concinnus, Amphidromus adamsii concinnus H.C. Fulton, 1896 - (CAMAENIDAE)
- concinnus, Conus concinnus J. de C. Sowerby, 1821 † - (CONIDAE) (FOSSIL)
- concinnus, Conus concinnus G.B. II Sowerby, 1866 - syn of: Splinoconus biliosus (P.F. Röding, 1798) - (CONIDAE)
- concinnus, Conus concinnus W.J. Broderip, 1833 - syn of: Parametaria dupontii (L.C. Kiener, 1846) - (CONIDAE)
- concinnus, Fusus concinnus J.G. Jeffreys, 1883 - syn of: Mohnia mohni (H.B.S. Friele, 1877) - (FASCIOLARIIDAE)
- concinnus, Latirus concinnus C.M. Tapparone-Canefri, 1880 - syn of: Latirus maculatus concinna C.M. Tapparone-Canefri, 1880 - (FASCIOLARIIDAE)
- concinnus, Ficus concinnus A.H.E. Beyrich, 1854 † - (FICIDAE) (FOSSIL)
- concinnus, Leptochiton concinnus A.A. Gould, 1859 - syn of: Leptochiton hakodatensis (K.H.J. Thiele, 1909) - (LEPTOCHITONIDAE)
- concinnus, Helminthochiton concinnus Richardson, 1956 † - syn of: Pterochiton carbonarius (Stevens, 1858 †) - (LEPTOCHITONIDAE) (FOSSIL)
- concinnus, Hormotoma concinnus Horný, 1952 † - (MURCHISONIIDAE) (FOSSIL)
- concinnus, Murex concinnus L.A. Reeve, 1845 - syn of: Murex aduncospinosus G.B. II Sowerby, 1841 - (MURICIDAE)
- concinnus, Musculus concinnus (R.W. Dunker, 1857) - (MYTILIDAE)
- concinnus, Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concinnus, Zeuxis concinnus W.L. Powys, 1835 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concinnus, Naticarius concinnus R.W. Dunker, 1859 - (NATICIDAE)
- concinnus, Eoasianites concinnus Ruzhentsev, 1950 † - (NEOICOCERATIDAE) (FOSSIL)
- concinnus, Grammatodon concinnus (B. Phillips, 1829 †) - (PARALLELODONTIDAE) (FOSSIL)
- concinnus, Anisus concinnus (C.A. Westerlund, 1881) - (PLANORBIDAE)
- concinnus, Tritonoturris concinnus B.Q. Li & X.Z. Li, 2007 - syn of: Tritonoturris scalaris (R.B. Hinds, 1843) - (RAPHITOMIDAE)
- concinnus, Schizodus concinnus R.M. Branson, 1930 † - syn of: Scaphellina concinna (R.M. Branson, 1930 †) - (SCHIZODIDAE) (FOSSIL)
- concinnus, Streptaxis concinnus (W.T. Blanford, 1880) - (STREPTAXIDAE)
- concinnus, Solariorbis concinnus (C.B. Adams, 1852) - (TORNIDAE)
- concinnus, Pachyomphalus concinnus Böhm, 1895 † - (TRICOLNATICOPSIDAE) (FOSSIL)
- concinnus, Trochus concinnus R.A. Philippi, 1846 - (TROCHIDAE)
- concinnus, Eurytrochus concinnus (H.A. Pilsbry, 1890) - (TROCHIDAE)
- concinnus, Turbo concinnus R.A. Philippi, 1846 - syn of: Turbo bruneus L.A. Reeve, 1848 - (TURBINIDAE)
- concinulla, Vertigo concinulla T.D.A. Cockerell, 1897 - syn of: Vertigo concinnula T.D.A. Cockerell, 1897 - (VERTIGINIDAE)
- concinus, Nassarius concinus W.L. Powys, 1835 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concinus, Zeuxis concinus W.L. Powys, 1835 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- concisa, Chloritis concisa L. Pfeiffer - (CAMAENIDAE)
- concisa, Eucrassatella concisa Finlay, 1926 † - syn of: Eucrassatella scopalveus Finlay, 1926 † - (CRASSATELLIDAE) (FOSSIL)
- concisa, Helix concisa A.E.J. Férussac, 1823 - (HELICIDAE)
- concisa, Quickia concisa (P.M.A. Morelet, 1888) - (SUCCINEIDAE)
- concisa, Alcithoe concisa J. Marwick, 1931 † - (VOLUTIDAE) (FOSSIL)
- concisa cumingi, Chloritis concisa cumingi G.P.L.K. Gude, 1906 - (CAMAENIDAE)
- concisus, Clypeomorus concisus J.B. Hombron & C.H. Jacquinot, 1852 - syn of: Clypeomorus bifasciata concisus (J.B. Hombron & C.H. Jacquinot, 1852) - (CERITHIIDAE)
- concisus, Clypeomorus bifasciata concisus (J.B. Hombron & C.H. Jacquinot, 1852) - (CERITHIIDAE)
- concisus, Microceramus concisus (P.M.A. Morelet, 1849) - (UROCOPTIDAE)
- concisus arctispirus, Microceramus concisus arctispirus (C.M.F. Ancey) - (UROCOPTIDAE)
- concisus mexicanus, Macroceramus concisus mexicanus E.C. Von Martens, 1897 - syn of: Microceramus mexicanus (E.C. Von Martens, 1897) - (UROCOPTIDAE)
- conclusa, Neostyriaca corynodes conclusa (M. Klemm, 1969) - (CLAUSILIIDAE)
- conco, Lividoconus conco N. Puillandre & al., 2015 - (CONIDAE)
- concolor, Acavus concolor H.A. Pilsbry, 1890 - syn of: Acavus haemastoma (C. Linnaeus, 1758) - (ACAVIDAE)
- concolor, Achatinella concolor E.A. Smith - syn of: Achatinella casta W. Newcomb, 1854 - (ACHATINELLIDAE)
- concolor, Leptachatina concolor C.M. Cooke, 1910 - (AMASTRIDAE)
- concolor, Assiminea concolor C.B. Adams, 1850 - syn of: Assiminea succinea (L. Pfeiffer, 1840) - (ASSIMINEIDAE)
- concolor, Drymaeus josephus concolor E.C. Von Martens, 1893 - (BULIMULIDAE)
- concolor, Bulimulus exilis concolor J. Piaget, 1914 - (BULIMULIDAE)
- concolor, Papuina steursiana concolor (E.A. Smith, 1897) - (CAMAENIDAE)
- concolor, Conus concolor G.B. II Sowerby, 1841 - syn of: Rhizoconus hyaena concolor (G.B. II Sowerby, 1841) - (CONIDAE)
- concolor, Rhizoconus hyaena concolor (G.B. II Sowerby, 1841) - (CONIDAE)
- concolor, Luria concolor W. Kobelt, 1906 - syn of: Luria lurida (C. Linnaeus, 1758) - (CYPRAEIDAE)
- concolor, Diplommatina concolor J.F. Quadras & O.F. von Möllendorff, 1893 - (DIPLOMMATINIDAE)
- concolor, Drillia concolor E.A. Smith, 1877 - (DRILLIIDAE)
- concolor, Ena concolor (C.A. Westerlund, 1887) - (ENIDAE)
- concolor, Fissurella concolor R.A. Philippi, 1867 - (FISSURELLIDAE)
- concolor, Haplotrema concolor (A.E.J. Férussac, 1821) - (HAPLOTREMATIDAE)
- concolor, Eobania concolor G.J. De Cristofori & G. Jan, 1832 - syn of: Eobania vermiculata (O.F. Müller, 1774) - (HELICIDAE)
- concolor, Theba pisana concolor (A. Moquin-Tandon, 1855) - (HELICIDAE)
- concolor, Helminthoglypta concolor B. Roth & F.G. Hochberg, 1988 - (HELMINTHOGLYPTIDAE)
- concolor, Agathotoma merlini concolor P. Dautzenberg, 1910 - (MANGELIIDAE)
- concolor, Melanopsis magnifica concolor P.M. Pallary, 1927 - (MELANOPSIDAE)
- concolor, Mitra concolor G.S. Coen, 1934 - syn of: Mitra zonata F. Marryat, 1818 - (MITRIDAE)
- concolor, Mitra concolor T.A. de M. Monterosato, 1875 - syn of: Pusia ebenus (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- concolor, Helcion concolor (C.F.F. von Krauss, 1848) - (PATELLIDAE)
- concolor, Chondropometes concolor C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- concolor, Duplicaria concolor (E.A. Smith, 1873) - (TEREBRIDAE)
- concolor, Urocoptis concolor C. de la Torre, 1950 - (UROCOPTIDAE)
- concolor, Centralia concolor C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- concolor agustini, Centralia concolor agustini C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- concolor carnicolor, Chondropometes concolor carnicolor C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- concolor constellata, Helcion concolor constellata G.B. Sowerby, 1921 - (PATELLIDAE)
- concolor fasciolata, Helcion concolor fasciolata J.R. le B. Tomlin - (PATELLIDAE)
- concolor fontei, Chondropometes concolor fontei C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- concolor magister, Chondropometes concolor magister C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- concolor minima, Centralia concolor minima C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- concolor polygramma, Helcion concolor polygramma (J.R. le B. Tomlin, 1931) - (PATELLIDAE)
- concolor puntillensis, Centralia concolor puntillensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- concolor spe, Chondropometes concolor spe C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- concolorans, Tornatellinops concolorans C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- concolour, Amphidromus contrarius concolour E.C. Von Martens - (CAMAENIDAE)
- concomitans, Partulina dwightii concomitans A. Hyatt, 1912 - (ACHATINELLIDAE)
- concomitans, Pagodea concomitans J. Perner, 1903 † - (PSEUDOPHORIDAE) (FOSSIL)
- concoralla, Petricoxenica concoralla E.H. Vokes, 1976 † - (VENERIDAE) (FOSSIL)
- concordensis, Maryonychia concordensis (Foerste, 1910 †) - (AMBONYCHIIDAE) (FOSSIL)
- concordia, Cyclostremella concordia P. Bartsch, 1920 - (PYRAMIDELLIDAE)
- concordia, Skenea concordia (P. Bartsch, 1920) - (SKENEIDAE)
- concordialis, Succinea concordialis A.A. Gould, 1848 - (SUCCINEIDAE)
- concordianus, Potamolithus concordianus J.J. Parodíz, 1966 - (LITHOGLYPHIDAE)
- concors, Homalopoma concors Y.F. Huang, C.C. Fu & G.T. Poppe, 2016 - (COLLONIIDAE)
- concors, Cyrtoceras concors Barrande † - (ONCOCERIDA (UNASSIGNED)) (FOSSIL)
- concors, Euthymella concors (R.B. Hinds, 1843) - (TRIPHORIDAE)
- concors, Triphora concors R.B. Hinds, 1843 - syn of: Euthymella concors (R.B. Hinds, 1843) - (TRIPHORIDAE)
- concors, Tychobrahea concors (J. Perner, 1903 †) - (TYCHOBRAHEIDAE) (FOSSIL)
- concrementosum, Deroceras concrementosum (H.R. Simroth, 1904) - (AGRIOLIMACIDAE)
- concrescens, Megalophaedusa martensii concrescens (H.A. Pilsbry, 1908) - (CLAUSILIIDAE)
- concreta, Pfeiffericoptis concreta (J. Gundlach in L. Pfeiffer, 1863) - (UROCOPTIDAE)
- concretum, Striodentalium concretum (P.H. Colman, 1958) - (DENTALIIDAE)
- concretus, Juvavites concretus McLearn, 1940 † - (JUVAVITIDAE) (FOSSIL)
- concudensis, Megalotachea concudensis (Jodot, 1958) † - (HELICIDAE) (FOSSIL)
- concurrens, Pycnomphalus concurrens (J. Perner, 1903 †) - (ANOMPHALIDAE) (FOSSIL)
- concurrens, Nematotrochus concurrens J. Perner, 1903 † - syn of: Pycnomphalus concurrens (J. Perner, 1903 †) - (HOLOPEIDAE) (FOSSIL)
- concurrens, Lophospira concurrens J. Perner, 1907 † - (LOPHOSPIRIDAE) (FOSSIL)
- concurrens, Nematrochus concurrens (J. Perner, 1903 †) - (PLANITROCHIDAE) (FOSSIL)
- concursus, Helminthoglypta dupetithouarsii concursus H.A. Pilsbry, 1924 - (HELMINTHOGLYPTIDAE)
- condamini, Scrobiculabra condamini (Morris in Prestwich 1854) † - (PHARIDAE) (FOSSIL)
- condaoi, Acanthochitona condaoi Sirenko & Saito, 2017 - (ACANTHOCHITONIDAE)
- condatina, Anodonta condatina J.R. Bourguignat, 1881 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- condei, Mitrella condei E. Rolán, 2005 - (COLUMBELLIDAE)
- condei, Africonus condei C.M.L. Afonso & M.J. Tenorio, 2014 - (CONIDAE)
- condei, Scabricola condei E.G. Guillot de Suduiraut, 2001 - (MITRIDAE)
- condei, Enixotrophon condei (R. Houart, 2003) - (MURICIDAE)
- condei, Minolia condei G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (SOLARIELLIDAE)
- condei, Turris condei J.L. Vera-Peláez, R. Vega-Luz & M.C. Lozano, 2000 - (TURRIDAE)
- condei, Amoria jamrachi condei P. Bail & A. Limpus, 2001 - (VOLUTIDAE)
- condensa, Philine condensa J. van der Linden, 1995 - (PHILINIDAE)
- condensa, Pyrgulina condensa Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- condensatum, Epitonium condensatum M.E.A. de Boury, 1886 † - (EPITONIIDAE) (FOSSIL)
- condensatus, Paragloborilus condensatus Y.H. Duan, 1984 † - (CIRCOTHECIDAE) (FOSSIL)
- condensatus, Trophon condensatus C. Hedley, 1916 - syn of: Trophon minutus J.C. Melvill & R. Standen, 1907 - (MURICIDAE)
- condensus, Conus condensus G.B. II Sowerby, 1866 - syn of: Cylinder canonicus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- condevicnumensis, Jujubinus condevicnumensis B.M. Landau, L. Ceulemans & F. Van Dingenen, 2016 † - (TROCHIDAE) (FOSSIL)
- condio, Runcinella condio L. Moro & J.A. Ortea, 2015 - (RUNCINIDAE)
- condita, Bursa condita (J.F. Gmelin, 1791) - (BURSIDAE)
- condita, Eatonina condita W.F. Ponder & E.K. Yoo, 1980 - (CINGULOPSIDAE)
- condita, Pyrula condita A. Brongniart, 1823 † - syn of: Ficus conditus A. Brongniart, 1823 † - (MELONGENIDAE) (FOSSIL)
- condita, Scissurella condita C.R. Laws, 1939 † - (SCISSURELLIDAE) (FOSSIL)
- conditi, Donaldina conditi Mark, 1912 † - syn of: Royalella swallowiana (H.B. Geinitz, 1866 †) - (DONALDINIDAE) (FOSSIL)
- conditi, Aclisina conditi H.B. Geinitz, 1866 † - syn of: Royalella swallowiana (H.B. Geinitz, 1866 †) - (MURCHISONIIDAE) (FOSSIL)
- conditum, Dunveganoceras conditum F. Haas, 1951 † - (ACANTHOCERATIDAE) (FOSSIL)
- conditus, Ficus conditus A. Brongniart, 1823 † - (FICIDAE) (FOSSIL)
- conditus, Murex conditus J.F. Gmelin, 1791 - syn of: Bursa condita (J.F. Gmelin, 1791) - (MURICIDAE)
- conditus inflexicauda, Ficus conditus inflexicauda (A.E.M. Cossmann & M.A. Peyrot, 1922 †) - (FICIDAE) (FOSSIL)
- conditus singuensis, Ficus conditus singuensis E.W. Vredenburg, 1921 † - (FICIDAE) (FOSSIL)
- conditus ventricosus, Ficus conditus ventricosus (J.P.S. Grateloup, 1840 †) - (FICIDAE) (FOSSIL)
- condola, Alathyria condola T. Iredale, 1943 - (HYRIIDAE)
- condonana, Megasurcula condonana F.M. Anderson & B. Martin, 1914 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- Condonella, Genus Condonella McLellan, 1927 (EUOMPHALIDAE) (FOSSIL)
- condoni, Cancellaria condoni F.M. Anderson † - syn of: Cancellaria oregonensis T.A. Conrad, 1865 † - (CANCELLARIIDAE) (FOSSIL)
- condoni, Boreoscala condoni W.H. Dall, 1909 † - (EPITONIIDAE) (FOSSIL)
- condoni, Astartila condoni Dickins, 1957 † - (MEGADESMIDAE) (FOSSIL)
- condoni, Apiotrigonia condoni (A. Packard, 1921 †) - (MEGATRIGONIIDAE) (FOSSIL)
- condoni, Yabepecten condoni (Hertlein 1925) † - (PECTINIDAE) (FOSSIL)
- condoni, Thracia condoni W.H. Dall, 1909 - (THRACIIDAE)
- condoni eugenense, Boreoscala condoni eugenense J.W. Durham, 1937 - (EPITONIIDAE)
- condoniana, Helicaulax condoniana (Anderson, 1902 †) - (APORRHAIDAE) (FOSSIL)
- condor, Pterinea condor † - (PTERINEIDAE) (FOSSIL)
- condor, Pterinea condor Reed, 1902 ex Salter MS † - (PTERINEIDAE) (FOSSIL)
- condorensis, Redonia condorensis T.M. Sánchez, 2007 † - (REDONIIDAE) (FOSSIL)
- condoriana, Chloritis condoriana (J.C.H. Crosse & P.H. Fischer, 1863) - (CAMAENIDAE)
- condoriana, Conus condoriana J.C.H. Crosse & P.H. Fischer, 1864 - syn of: Miliariconus coronatus (J.F. Gmelin, 1791) - (CONIDAE)
- condoriana, Vexillum sanguisugum condoriana P. Dautzenberg & H. Fischer, 1906 - (COSTELLARIIDAE)
- condoriana, Helix condoriana J.C.H. Crosse & P.H. Fischer, 1863 - syn of: Chloritis condoriana (J.C.H. Crosse & P.H. Fischer, 1863) - (HELICIDAE)
- condoriana, Mitra condoriana P. Dautzenberg & Fischer, 1906 - syn of: Vexillum sanguisugum (C. Linnaeus, 1758) - (MITRIDAE)
- condoriana, Onchidella condoriana A. de Rochebrune, 1882 - syn of: Platevindex stuxbergi (C.A. Westerlund, 1883) - (ONCHIDIIDAE)
- condrai, Pseudozygopleura condrai Knight, 1930 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- condrai, Streblochondria condrai Newell, 1938 † - (STREBLOCHONDRIIDAE) (FOSSIL)
- Condraoceras, Genus Condraoceras Miller & al., 1947 (LIROCERATIDAE) (FOSSIL)
- condrusorum, Dolabra condrusorum Beushausen, 1895 † - syn of: Dolabra unilateralis (Sowerby, 1840 †) - (MYOPHORICARDIIDAE) (FOSSIL)
- Condylicia, syn of: Genus Rissoina D'Orbigny, 1840 (RISSOINIDAE)
- Condylocardia, Genus Condylocardia F. Bernard, 1896 (CONDYLOCARDIIDAE)
- CONDYLOCARDIIDAE Bernard, 1896 - Family (BIVALVIA-HETERODONTA [Subclass]-ARCHIHETERODONTA [Infraclass]-CARDITIDA [Order]-CARDITOIDEA [Superfamily])
- Condylocuna, Genus Condylocuna K.L. Lamprell & J.M. Healy, 1998 (CONDYLOCARDIIDAE)
- condylomatus, Nodipecten condylomatus W.H. Dall, 1912 † - (PECTINIDAE) (FOSSIL)
- Condylonucula, Genus Condylonucula D.R. Moore, 1977 (NUCULIDAE)
- condylum, Caecum condylum R.C. Moore, 1969 - (CAECIDAE)
- conecuhensis, Vertigo conecuhensis W.F. Clapp, 1915 - (VERTIGINIDAE)
- conecuhensis, Paravitrea conecuhensis W.F. Clapp, 1917 - (ZONITIDAE)
- coneja, Crimora coneja Er. Marcus, 1961 - (POLYCERIDAE)
- conejera, Hermaea conejera Ortea, Moro & Caballer, 2016 - (HERMAEIDAE)
- conejoensis, Gibberula conejoensis T. McCleery, 2008 - (CYSTISCIDAE)
- conella, Aegista conella A. Adams, 1868 - (BRADYBAENIDAE)
- Conella, Genus Conella W.J. Swainson, 1840 (COLUMBELLIDAE)
- conella, Phrixgnathus conella (L. Pfeiffer, 1862) - (PUNCTIDAE)
- conella, Laoma conella L. Pfeiffer, 1862 - syn of: Phrixgnathus conella (L. Pfeiffer, 1862) - (PUNCTIDAE)
- conelongata, Turanena conelongata E. Gittenberger & H.P.M.G. Menkhorst, 1993 - (ENIDAE)
- conemenosi, Aporrhais conemenosi T.A. de M. Monterosato, 1890 - syn of: Aporrhais pespelicani (C. Linnaeus, 1758) - (APORRHAIDAE)
- conemenosi, Albinaria hians conemenosi (O. Böttger, 1883) - (CLAUSILIIDAE)
- conemenosi, Josephinella conemenosi (O. Böttger, 1885) - (HELICIDAE)
- conemenosi, Limax conemenosi O. Böttger, 1882 - (LIMACIDAE)
- conemenosi, Gibbula conemenosi T.A. de M. Monterosato, 1888 - syn of: Gibbula adansoni B.C.M. Payraudeau, 1827 - (TROCHIDAE)
- conemenosi acarnanica, Josephinella conemenosi acarnanica (W. Kobelt, 1892) - (HELICIDAE)
- conemenosiana, Melanopsis conemenosiana P. Oppenheim, 1891 † - (MELANOPSIDAE) (FOSSIL)
- conemenosiana graciliformis, Melanopsis conemenosiana graciliformis Papp, 1955 † - (MELANOPSIDAE) (FOSSIL)
- conemenosiana turritella, Melanopsis conemenosiana turritella P.M. Pallary, 1920 † - (MELANOPSIDAE) (FOSSIL)
- coneri, Cernuella coneri W. Kobelt, 1907 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- Coneuplecta, Genus Coneuplecta O.F. von Mφllendorff, 1893 (EUCONULIDAE)
- conex, Extropharciceras conex Bockwinkel & al., 2009 † - (PHARCICERATIDAE) (FOSSIL)
- conexa, Heleobia conexa (J.M. Gaillard, 1974) - (COCHLIOPIDAE)
- confectum, Catacoeloceras confectum (Buckman, 1923 †) - (DACTYLIOCERATIDAE) (FOSSIL)
- conferta, Rhyssotopsis conferta (L. Pfeiffer) - (ARIOPHANTIDAE)
- conferta, Bulimus conferta L. Pfeiffer, 1856 - syn of: Spiraxis terebella (C.B. Adams, 1849) - (BULIMULIDAE)
- conferta, Arcturellina conferta (E.A. Smith, 1906) - (CARDITIDAE)
- conferta, Gyrocochlea conferta C. Hedley, 1924 - (CHAROPIDAE)
- conferta, Poleumita conferta Lamont † - (EUOMPHALIDAE) (FOSSIL)
- conferta, Poleumita conferta J. Perner, 1903 † - syn of: Oriostoma dives (J. Perner, 1903 †) - (EUOMPHALIDAE) (FOSSIL)
- conferta, Lecanospira conferta Butts, 1926 † - (OPHILETIDAE) (FOSSIL)
- conferta, Oriostoma conferta J. Perner, 1903 † - syn of: Oriostoma dives (J. Perner, 1903 †) - (ORIOSTOMATIDAE) (FOSSIL)
- conferta, Proameria conferta (L. Pfeiffer, 1861) - (SPIRAXIDAE)
- conferta, Latitriphora conferta (C.F. Laseron, 1958) - (TRIPHORIDAE)
- confertecostatus, Volutaxis confertecostatus H. Strebel, 1882 - (SPIRAXIDAE)
- confertestriatus, Rectaxis confertestriatus (H. Strebel, 1882) - (SPIRAXIDAE)
- conferticosta, Polyptychites conferticosta Pavlow, 1914 † - (POLYPTYCHITIDAE) (FOSSIL)
- conferticostata, Trigonia conferticostata Cragin, 1905 † - (TRIGONIIDAE) (FOSSIL)
- confertilirata, Columbella confertilirata K.H. Barnard, 1959 - (COLUMBELLIDAE)
- confertinemilata, Pleurorima confertinemilata Fagerstrom, 1961 † - (GOSSELETINIDAE) (FOSSIL)
- confertissima, Poleumita confertissima J. Perner, 1903 † - syn of: Oriostoma confertissima (J. Perner, 1903 †) - (EUOMPHALIDAE) (FOSSIL)
- confertissima, Oriostoma confertissima (J. Perner, 1903 †) - (ORIOSTOMATIDAE) (FOSSIL)
- confertissimum, Lawrenceoceras confertissimum (R.P. Whitfield, 1886 †) - (BASSLEROCERATIDAE) (FOSSIL)
- confertissimum, Onychoceras confertissimum R.P. Whitfield, 1936 † - (HAMMATOCERATIDAE) (FOSSIL)
- confertum, Pachendoceras confertum Ulrich & al., 1944 † - (ELLESMEROCERATIDAE) (FOSSIL)
- confertum, Chondropoma confertum (F. Poey, 1852) - (POMATIIDAE)
- confertum perplexum, Chondropoma confertum perplexum C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- confertus, Dolicholatirus exilis confertus D.T. Dockery, 1984 † - (FASCIOLARIIDAE) (FOSSIL)
- confertus, Cautor confertus C.F. Laseron, 1958 - syn of: Latitriphora conferta (C.F. Laseron, 1958) - (TRIPHORIDAE)
- confertus, Unio confertus I. Lea, 1834 - syn of: Elliptio raveneli T.A. Conrad, 1834 - (UNIONIDAE)
- confervigera, Anodonta confervigera F. Schlüter, 1838 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- confessus, Shumardites confessus Ruzhentsev, 1939 † - (SHUMARDITIDAE) (FOSSIL)
- confinata, Siciliaria confinata L. Pfeiffer, 1859 - syn of: Siciliaria scarificata (L. Pfeiffer, 1856) - (CLAUSILIIDAE)
- confinis, Sitala confinis (W.T. Blanford, 1865) - (ARIOPHANTIDAE)
- confinis, Bulimus confinis L.A. Reeve, 1850 - syn of: Rabdotus dealbatus (T. Say, 1821) - (BULIMULIDAE)
- confinis, Pseudamnicola confinis (K. Brancsik, 1897) - (HYDROBIIDAE)
- confinis, Hanusispira confinis (J. Perner, 1907 †) - (LOPHOSPIRIDAE) (FOSSIL)
- confinis, Ledella confinis (E.A. Smith, 1885) - (NUCULANIDAE)
- confinis, Gelagna confinis K. Brancsik, 1896 - syn of: Gelagna succincta (C. Linnaeus, 1771) - (RANELLIDAE)
- confinis, Tectiretites confinis Ruzhencev & Bogoslovskaya, 1978 † - (RETICULOCERATIDAE) (FOSSIL)
- confinis, Stenothyra confinis R.A.M. Brandt, 1974 - (STENOTHYRIDAE)
- confinus, Rabdotus confinus L.A. Reeve, 1850 - (BULIMULIDAE)
- confirmata, Rhynchotrochus confirmata B. Rensch, 1933 - (CAMAENIDAE)
- confirmata, Pradoxa confirmata (F. Fernandes & E. Rolán, 1990) - (MURICIDAE)
- confitesensis, Volvarina confitesensis J. Espinosa, J.A. Ortea & L. Moro, 2010 - (MARGINELLIDAE)
- confluens, Drymaeus confluens L. Pfeiffer, 1855 - (BULIMULIDAE)
- confluens, Japonia confluens (L. Pfeiffer, 1860) - (CYCLOPHORIDAE)
- confluens, Doto confluens P. Hesse, 1872 - syn of: Doto coronata (J.F. Gmelin, 1791) - (DOTIDAE)
- confluens, Oceanida confluens P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- confluens, Mitra confluens P. Dautzenberg, 1935 - syn of: Tiarella stictica (J.H.F. Link, 1807) - (MITRIDAE)
- confluens, Potamides lapidorum confluens (J.B.P.A. Lamarck, 1804) † - (POTAMIDIDAE) (FOSSIL)
- confluentinus, Cornellites confluentinus Eichele, 2014 † - (PTERINEIDAE) (FOSSIL)
- conformata, Chelidonura conformata R.F. Burn, 1966 - syn of: Chelidonura fulvipunctata K. Baba, 1938 - (AGLAJIDAE)
- conformatus, Aeneator conformatus (J. Marwick, 1931 †) - (BUCCINIDAE) (FOSSIL)
- conforme, Carychium conforme De Stefani, 1880 † - (ELLOBIIDAE) (FOSSIL)
- conforme, Sporadoceras conforme W. Korn & al., 2015 † - (SPORADOCERATIDAE) (FOSSIL)
- conformis, Cardiolinka conformis (Barrande, 1881 †) - (CARDIOLIDAE) (FOSSIL)
- conformis, Joculator conformis A. Cecalupo & I. Perugia, 2013 - (CERITHIOPSIDAE)
- conformis, Emarginula conformis A.E.M. Cossmann & A. Lambert, 1884 † - (FISSURELLIDAE) (FOSSIL)
- conformis, Ringicula conformis T.A. de M. Monterosato, 1877 - (RINGICULIDAE)
- conformis, Turbo conformis J. Perner, 1903 † - (TURBINIDAE) (FOSSIL)
- conformis, Venus conformis G.P. Deshayes, 1857 † - (VENERIDAE) (FOSSIL)
- conformis barashi, Ringicula conformis barashi S.I. Di Geronimo, 1975 - (RINGICULIDAE)
- conformis subcostata, Ringicula conformis subcostata G. Seguenza - (RINGICULIDAE)
- confortinii, Pseudorhaphitoma confortinii L. Bozzetti, 2007 - (MANGELIIDAE)
- confortinii, Marginella epipolia confortinii L. Bozzetti, 1993 - (MARGINELLIDAE)
- confracta, Woehrmannia confracta Pan, 1982 † - (LIOTIIDAE) (FOSSIL)
- confraga, Hemimactra confraga (T.A. Conrad, 1833 †) - (MACTRIDAE) (FOSSIL)
- confragosa, Coralliophila confragosa H. Adams & A. Adams, 1865 - syn of: Muricodrupa fiscella (J.F. Gmelin, 1791) - (MURICIDAE)
- confragosa, Oreohelix confragosa A. Metcalf, 1974 - (OREOHELICIDAE)
- confragosa, Lamprotula confragosa (L.S. Frierson, 1928) - (UNIONIDAE)
- confragosum, Astralium confragosum (A.A. Gould, 1851) - (TURBINIDAE)
- confragosum plicatospinosum, Astralium confragosum plicatospinosum H.A. Pilsbry, 1889 - (TURBINIDAE)
- confragosus, Turbo confragosus A.A. Gould, 1851 - syn of: Astralium confragosum (A.A. Gould, 1851) - (TURBINIDAE)
- confragosus, Arcidens confragosus (T. Say, 1829) - (UNIONIDAE)
- confuas, Philomycus confuas T.D.A. Cockerell - (PHILOMYCIDAE)
- confucii, Leiophyllites confucii (Diener, 1895 †) - (USSURITIDAE) (FOSSIL)
- confusa, Partulina confusa E.R. Sykes, 1900 - (ACHATINELLIDAE)
- confusa, Limenandra confusa L. Carmona, M. Pola, T.M. Gosliner & J.L. Cervera, 2014 - (AEOLIDIIDAE)
- confusa, Amnicola confusa G.R. von Frauenfeld, 1863 - syn of: Mercuria similis (J.P.R. Draparnaud, 1805) - (AMNICOLIDAE)
- confusa, Globorhagada confusa F. Köhler, 2011 - (CAMAENIDAE)
- confusa, Amplirhagada confusa G.A. Solem, 1981 - (CAMAENIDAE)
- confusa, Sveltia confusa Brunetti, 2016 † - (CANCELLARIIDAE) (FOSSIL)
- confusa, Strophiops confusa C.J. Maynard & W.F. Clapp, 1921 - syn of: Cerion glans H.C. Küster, 1844 - (CERIONIDAE)
- confusa, Chondrina confusa C. Altimira, 1961 - syn of: Chondrina farinesii C. des Moulins, 1835 - (CHONDRINIDAE)
- confusa, Albinaria confusa (O. Böttger, 1878) - (CLAUSILIIDAE)
- confusa, Clionella confusa E.A. Smith, 1906 - (CLAVATULIDAE)
- confusa, Mitrella confusa K. Monsecour & A.M. Dekkers, 2013 - (COLUMBELLIDAE)
- confusa, Darioconus pennaceus confusa L. Bozzetti, 2010 - (CONIDAE)
- confusa, Corbula confusa É.A. Benoist in A.E.M. Cossmann & M.A. Peyrot, 1909 † - (CORBULIDAE) (FOSSIL)
- confusa, Zonaria confusa G.S. Coen, 1949 - syn of: Zonaria pyrum (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- confusa, Gibberula confusa S. Gofas, 1989 - (CYSTISCIDAE)
- confusa, Naticopsis confusa J. Perner, 1903 † - (DELPHINULOPSIDAE) (FOSSIL)
- confusa, Discodoris confusa E. Ballesteros, E.M. Llera & J.A. Ortea, 1985 - syn of: Tayuva lilacina confusa (E. Ballesteros, E.M. Llera & J.A. Ortea, 1985) - (DISCODORIDIDAE)
- confusa, Tayuva lilacina confusa (E. Ballesteros, E.M. Llera & J.A. Ortea, 1985) - (DISCODORIDIDAE)
- confusa, Spirotropis confusa (G. Seguenza, 1880) - (DRILLIIDAE)
- confusa, Epitonium confusa T. Nakayama, 1995 - syn of: Epitonium ishimotoi (H. Masahito & T. Habe, 1976) - (EPITONIIDAE)
- confusa, Graciliscala confusa M.E.A. de Boury, 1909 - syn of: Epitonium graciliconfusum T. Nakayama, 2000 - (EPITONIIDAE)
- confusa, Eulima confusa P. Bouchet & A. Warén, 1986 - (EULIMIDAE)
- confusa, Flabellina confusa M.M. Gonzalez-Duarte, J.L. Cervera & Poddubetskaia, 2008 - (FLABELLINIDAE)
- confusa, Helix confusa L. Benoit, 1857 - (HELICIDAE)
- confusa, Bieberiana confusa Beushausen, 1895 † - syn of: Bieberiana pugnans (Whidborne, 1889 †) - (HIPPOCARDIIDAE) (FOSSIL)
- confusa, Pseudamnicola confusa G.R. von Frauenfeld, 1863 - syn of: Mercuria similis (J.P.R. Draparnaud, 1805) - (HYDROBIIDAE)
- confusa, Helicella confusa E. Gittenberger, 1991 - (HYGROMIIDAE)
- confusa, Bornia confusa G. Della Bella & C. Tabanelli, 2007 † - (KELLIIDAE) (FOSSIL)
- confusa, Limatula confusa (E.A. Smith, 1885) - (LIMIDAE)
- confusa, Patelloida confusa S.A.A. Petit De La Saussaye, 1851 - syn of: Eoacmaea pustulata (G.S. Helbling, 1779) - (LOTTIIDAE)
- confusa, Katadesmia confusa (Seguenza 1877) † - (MALLETIIDAE) (FOSSIL)
- confusa, Bela confusa É.A.A. Locard, 1897 - syn of: Sorgenfreispira brachystoma (R.A. Philippi, 1844) - (MANGELIIDAE)
- confusa, Melanopsis confusa Strausz, 1941 † - (MELANOPSIDAE) (FOSSIL)
- confusa, Hormotoma confusa R.P. Whitfield, 1889 † - (MURCHISONIIDAE) (FOSSIL)
- confusa, Favartia confusa (J.W. Brazier, 1877) - (MURICIDAE)
- confusa, Coralliophila confusa S. Kosuge, 1986 - (MURICIDAE)
- confusa, Murex confusa J.W. Brazier, 1877 - syn of: Favartia confusa (J.W. Brazier, 1877) - (MURICIDAE)
- confusa, Perna confusa G.F. Angas, 1871 - syn of: Limnoperna securis (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- confusa, Nuculana confusa S.C.T. Hanley, 1860 - (NUCULANIDAE)
- confusa, Tylomelania confusa T. von Rintelen, P. Bouchet & M. Glaubrecht, 2007 - (PACHYCHILIDAE)
- confusa, Philine confusa L.T. Ohnheiser & M.A.E. Malaquias, 2013 - (PHILINIDAE)
- confusa, Pleurobranchaea confusa Ev. Marcus & T.M. Gosliner, 1984 - syn of: Pleurobranchaea obesa (A.E. Verrill, 1882) - (PLEUROBRANCHAEIDAE)
- confusa, Coxiella confusa E.A. Smith, 1898 - syn of: Coxiella striata (L.A. Reeve, 1842) - (POMATIOPSIDAE)
- confusa, Pirenella confusa A.E.M. Cossmann, 1919 † - (POTAMIDIDAE) (FOSSIL)
- confusa, Turbonilla confusa J.W. Brazier, 1877 - (PYRAMIDELLIDAE)
- confusa, Strangesta confusa (L. Pfeiffer, 1855) - (RHYTIDIDAE)
- confusa, Rissoella confusa W.F. Ponder & E.K. Yoo, 1977 - (RISSOELLIDAE)
- confusa, Sinezona confusa E. Rolán & A.A. Luque, 1994 - (SCISSURELLIDAE)
- confusa, Sepia confusa E.A. Smith, 1916 - (SEPIIDAE)
- confusa, Confusella confusa (H.B. Preston, 1914) - (TELLINIDAE)
- confusa, Hastula confusa E.A. Smith, 1877 - syn of: Hastula inconstans (R.B. Hinds, 1844) - (TEREBRIDAE)
- confusa, Terebra confusa E.A. Smith, 1877 - syn of: Hastula inconstans (R.B. Hinds, 1844) - (TEREBRIDAE)
- confusa, Bouchetriphora confusa (S. Kosuge, 1963) - (TRIPHORIDAE)
- confusa, Monodonta confusa C.M. Tapparone-Canefri, 1874 - (TROCHIDAE)
- confusa, Felaniella confusa T. Nagao, 1928 † - (UNGULINIDAE) (FOSSIL)
- confusa, Anodonta confusa P.M. Heude, 1881 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- confusa, Gongylostoma confusa (R. Arango, 1882) - (UROCOPTIDAE)
- confusa, Cincinna confusa (C.A. Westerlund, 1897) - (VALVATIDAE)
- confusa, Nutricola confusa (S. Gray, 1982) - (VENERIDAE)
- confusa, Gemma beatrix confusa (A.J. Wagner, 1908) - (VENERIDAE)
- confusa, Spinomelon confusa (J. Marwick, 1926 †) - (VOLUTIDAE) (FOSSIL)
- confusa, Voluta confusa P.F. Röding, 1798 - syn of: Voluta musica C. Linnaeus, 1758 - (VOLUTIDAE)
- confusa, Xenophora confusa G.P. Deshayes, 1832 † - (XENOPHORIDAE) (FOSSIL)
- confusa perconfusa, Albinaria confusa perconfusa H. Nordsieck, 2007 - (CLAUSILIIDAE)
- confusa principalifera, Albinaria confusa principalifera H. Nordsieck, 2015 - (CLAUSILIIDAE)
- confusa robertsoni, Rissoella confusa robertsoni W.F. Ponder & E.K. Yoo, 1977 - (RISSOELLIDAE)
- confusa sematensis, Nuculana confusa sematensis M. Suzuki & Ishizuka, 1943 - syn of: Saccella sematensis (M. Suzuki & Ishizuka, 1943) - (NUCULANIDAE)
- confusa umbilicata, Rissoella confusa umbilicata W.F. Ponder & E.K. Yoo, 1977 - (RISSOELLIDAE)
- Confusella, Genus Confusella M. Huber, Langleit & Kreipl, 2015 (TELLINIDAE)
- Confusionella, Genus Confusionella Hofmann & Hautmann, 2013 (PTERIIDAE) (FOSSIL)
- confusionense, Calygirtyoceras confusionense W. Korn & Titus, 2011 † - (GIRTYOCERATIDAE) (FOSSIL)
- confusionensis, Bajarunia confusionensis Guex & al., 2005 † - (MEEKOCERATIDAE) (FOSSIL)
- confusionensis, Kashmirites confusionensis Brayard & al., 2013 † - (PRIONITIDAE) (FOSSIL)
- Confusiscala, Genus Confusiscala E.A. De Boury, 1909 (EPITONIIDAE) (FOSSIL)
- confussus, Tonicia confussus A.A. Gould, 1846 - syn of: Lucilina lamellosa (J.R.C. Quoy & J.P. Gaimard, 1835) - (CHITONIDAE)
- confusum, Cerithium confusum Tate, 1875 † - (CERITHIIDAE) (FOSSIL)
- confusum, Conocardium confusum Beushausen, 1895 † - syn of: Bieberiana pugnans (Whidborne, 1889 †) - (CONOCARDIIDAE) (FOSSIL)
- confusum, Epitonium confusum E.A. Smith, 1890 - syn of: Epitonium umbilicatum (W.H. Pease, 1869) - (EPITONIIDAE)
- confusum, Incidostoma confusum (E.R. Sykes, 1894) - (NEOCYCLOTIDAE)
- confusum, Raphitoma confusum É.A.A. Locard, 1897 - syn of: Sorgenfreispira brachystoma (R.A. Philippi, 1844) - (RAPHITOMIDAE)
- confusus, Bulimus confusus L.A. Reeve, 1848 - syn of: Kuschelenia culminea (A.V.M.D. D'Orbigny, 1835) - (BULIMULIDAE)
- confusus, Pleuronotus confusus J. Perner, 1903 † - (EUOMPHALIDAE) (FOSSIL)
- confusus, Prosolarium confusus J. Perner, 1907 † - (LUCIELLIDAE) (FOSSIL)
- confusus, Mytilaster confusus L.W. Dillwyn, 1817 - syn of: Mytilaster lineatus (J.F. Gmelin, 1791) - (MYTILIDAE)
- confusus, Philomycus confusus T.D.A. Cockerell, 1890 - syn of: Meghimatium bilineatum (W.H. Benson, 1842) - (PHILOMYCIDAE)
- confusus, Anisus confusus L. Soós, 1934 † - (PLANORBIDAE) (FOSSIL)
- confusus, Planorbis confusus A. Lutz, 1918 - syn of: Biomphalaria glabrata (T. Say, 1818) - (PLANORBIDAE)
- confusus, Polymorphites confusus (F.A. von Quenstedt, 1856 †) - (POLYMORPHITIDAE) (FOSSIL)
- confutsiana, Pinna confutsiana Kayser, 1883 † - (PINNIDAE) (FOSSIL)
- congaraea, Elliptio congaraea (I. Lea, 1831) - (UNIONIDAE)
- congarea, Elliptio congarea I. Lea, 1831 - syn of: Elliptio congaraea (I. Lea, 1831) - (UNIONIDAE)
- congelascens, Cyclocardia congelascens (J.C. Melvill & R. Standen, 1912) - (CARDITIDAE)
- congelata, Turritella congelata A. Adams & L.A. Reeve, 1849 - (TURRITELLIDAE)
- congelata, Haustator congelata A. Adams & L.A. Reeve, 1850 - syn of: Turritella congelata A. Adams & L.A. Reeve, 1849 - (TURRITELLIDAE)
- congener, Alycaeus congener E.A. Smith, 1895 - (CYCLOPHORIDAE)
- congener, Diplommatina congener E.A. Smith, 1894 - (DIPLOMMATINIDAE)
- congener, Microcystis congener H.B. Preston, 1913 - (EUCONULIDAE)
- congener, Ceratopoma congener (E.A. Smith, 1889) - (HELICINIDAE)
- congener, Purpura congener P.F. Röding, 1798 - syn of: Ocenebra erinaceus (C. Linnaeus, 1758) - (MURICIDAE)
- congener, Ilanga congener G.B. III Sowerby, 1903 - syn of: Ilanga laevissima (E.C. Von Martens, 1881) - (SOLARIELLIDAE)
- congener, Minolia congener G.B. III Sowerby, 1903 - syn of: Ilanga laevissima (E.C. Von Martens, 1881) - (SOLARIELLIDAE)
- congener, Gemmula congener (E.A. Smith, 1894) - (TURRIDAE)
- congener cosmoi, Gemmula congener cosmoi E.R. Sykes, 1930 - syn of: Gemmula cosmoi (E.R. Sykes, 1930) - (TURRIDAE)
- congener diomedea, Gemmula congener diomedea A.W.B. Powell, 1964 - syn of: Gemmula diomedea A.W.B. Powell, 1964 - (TURRIDAE)
- congener unilineata, Gemmula congener unilineata A.W.B. Powell, 1967 - (TURRIDAE)
- congener webberae, Gemmula congener webberae R.N. Kilburn, 1975 - syn of: Gemmula webberae R.N. Kilburn, 1975 - (TURRIDAE)
- congenita, Acar congenita (E.A. Smith, 1885) - (ARCIDAE)
- congenita, Arca congenita E.A. Smith, 1885 - syn of: Acar congenita (E.A. Smith, 1885) - (ARCIDAE)
- congenita, Barleeia congenita E.A. Smith, 1890 - (BARLEEIIDAE)
- congenita, Euhadra congenita (E.A. Smith, 1878) - (BRADYBAENIDAE)
- congenita, Halonympha congenita (E.A. Smith, 1885) - (HALONYMPHIDAE)
- congenita, Halonympha congenita E.A. Smith, 1885 - syn of: Halonympha congenita (E.A. Smith, 1885) - (HALONYMPHIDAE)
- congenita, Epicodakia congenita (E.A. Smith, 1885) - (LUCINIDAE)
- congenita, Rissoina congenita E.A. Smith, 1890 - syn of: Schwartziella congenita (E.A. Smith, 1890) - (RISSOINIDAE)
- congenita, Schwartziella congenita (E.A. Smith, 1890) - (ZEBINIDAE)
- congenita hickonis, Euhadra congenita hickonis W. Kobelt - (BRADYBAENIDAE)
- congenitus, Prosipho congenitus E.A. Smith, 1915 - (BUCCINIDAE)
- congentilis, Xerotricha congentilis É.A.A. Locard, 1892 - syn of: Xerotricha conspurcata (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- Congeria, Genus Congeria P. Partsch, 1835 (DREISSENIDAE)
- Congeriomorpha, Genus Congeriomorpha Stoyanow, 1948 (CONGERIOMORPHIDAE) (FOSSIL)
- CONGERIOMORPHIDAE Saul, 1976 - Family (BIVALVIA-HETERODONTA [Subclass]-EUHETERODONTA [Infraclass]-IMPARIDENTIA [Superorder]-MEGALODONTIDA [Order]-MECYNODONTOIDEA [Super) (FOSSIL)
- congermana, Saccoia congermana (C.F. Fontannes, 1881 †) - (HYDROBIIDAE) (FOSSIL)
- congesta, Bathytoma congesta (T.A. Conrad, 1848 †) - (BORSONIIDAE) (FOSSIL)
- congesta, Vexillum congesta É.A.A. Locard, 1886 - syn of: Pusia ebenus (J.B.P.A. Lamarck, 1811) - (COSTELLARIIDAE)
- congesta, Mulinia congesta (T.A. Conrad, 1833 †) - (MACTRIDAE) (FOSSIL)
- congesta, Mitra congesta É.A.A. Locard, 1886 - syn of: Pusia ebenus (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- congesta, Pseudoperna congesta (T.A. Conrad, 1843 †) - (OSTREIDAE) (FOSSIL)
- congesta, Plectopylis congesta G.P.L.K. Gude, 1899 - syn of: Gudeodiscus giardi (H. Fischer, 1898) - (PLECTOPYLIDAE)
- congesta, Parthenina congesta Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- congestum, Striaticostatum congestum N.F. Sohl, 1964 † - (EPITONIIDAE) (FOSSIL)
- Congetia, Genus Congetia M. Huber, 2010 (NOETIIDAE)
- congica, Galatea congica O. Böttger, 1885 - (DONACIDAE)
- congicus, Lanistes congicus O. Böttger, 1891 - (AMPULLARIIDAE)
- congicus fraternus, Lanistes congicus fraternus H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Lanistes congicus O. Böttger, 1891 - (AMPULLARIIDAE)
- congicus schepmanni, Lanistes congicus schepmanni C.R. Böttger, 1913 - (AMPULLARIIDAE)
- congletonensis, Angyomphalus congletonensis Peel, 2016 † - (GOSSELETINIDAE) (FOSSIL)
- conglobata, Ananias conglobata (J. Wanner, 1922 †) - (GOSSELETINIDAE) (FOSSIL)
- conglobata, Tingitana keblina conglobata (P.M. Pallary, 1926) - (HELICIDAE)
- conglobata, Demoulia conglobata (G.B. Brocchi, 1814 †) - (NASSARIIDAE) (FOSSIL)
- conglobata, Demoulia conglobata Brébion, 1964 † - syn of: Demoulia pupa (G.B. Brocchi, 1814 †) - (NASSARIIDAE) (FOSSIL)
- conglobata, Plocostoma conglobata C. Gemmellaro 1889 † - (PLEUROTOMARIIDAE) (FOSSIL)
- conglobata, Dosinia conglobata A. Römer, 1862 - (VENERIDAE)
- conglobationis, Helodiamea conglobationis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- conglobatus, Murex conglobatus O.G. Michelotti, 1841 - syn of: Hexaplex trunculus (C. Linnaeus, 1758) - (MURICIDAE)
- conglomerata, Serpula conglomerata C. Linnaeus, 1758 - syn of: Petaloconchus glomeratus (C. Linnaeus, 1758) - (VERMETIDAE)
- congo, Profischeria congo (H.A. Pilsbry & J.C. Bequaert, 1927) - (DONACIDAE)
- Congodoma, Genus Congodoma G. Mandahl-Barth, 1968 (BITHYNIIDAE)
- congoense coarti, Dentalium congoense coarti P. Dautzenberg, 1910 - syn of: Dentalium congoensis H.P. Plate, 1908 - (DENTALIIDAE)
- congoensis, Pila congoensis H.A. Pilsbry & C.E. Beecher, 1929 - syn of: Lanistes ovatus congoensis H.A. Pilsbry & C.E. Beecher, 1929 - (AMPULLARIIDAE)
- congoensis, Lanistes ovatus congoensis H.A. Pilsbry & C.E. Beecher, 1929 - (AMPULLARIIDAE)
- congoensis, Astarte congoensis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Salaputium modestum (H. Adams, 1869) - (ASTARTIDAE)
- congoensis, Fulvia congoensis R. von Cosel, 1995 - syn of: Fulvia fragilis (P. Forsskål in C. Niebuhr, 1775) - (CARDIIDAE)
- congoensis, Clavatula congoensis F. Nolf & J. Verstraeten, 2008 - (CLAVATULIDAE)
- congoensis, Dentalium congoensis H.P. Plate, 1908 - (DENTALIIDAE)
- congoensis, Phacoides congoensis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Cardiolucina lamothei (P. Dautzenberg, 1912) - (LUCINIDAE)
- congoensis, Mangelia congoensis K.H.J. Thiele, 1925 - (MANGELIIDAE)
- congoensis, Congetia congoensis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NOETIIDAE)
- congoensis, Noetiella congoensis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Congetia congoensis (K.H.J. Thiele & S.G.A. Jaeckel, 1931) - (NOETIIDAE)
- congoensis, Turbonilla congoensis A. Peñas & E. Rolán, 2000 - (PYRAMIDELLIDAE)
- congoensis, Nototeredo congoensis G.F. Roch, 1935 - syn of: Nototeredo knoxi (P. Bartsch, 1917) - (TEREDINIDAE)
- congoensis, Teredo congoensis G.F. Roch, 1935 - syn of: Nototeredo knoxi (P. Bartsch, 1917) - (TEREDINIDAE)
- congoensis, Circulus congoensis (K.H.J. Thiele, 1925) - (TORNIDAE)
- congoensis, Chlamydarion congoensis (G.A. de Mol, 1968) - (UROCYCLIDAE)
- congoensis, Zonitarion congoensis G.A. de Mol, 1970 - (UROCYCLIDAE)
- congoensis, Venus congoensis K.H.J. Thiele & S.G.A. Jaeckel, 1931 - syn of: Timoclea ovata (T. Pennant, 1777) - (VENERIDAE)
- congoensis amplior, Pila congoensis amplior H.A. Pilsbry & J.C. Bequaert, 1927 - syn of: Lanistes ovatus congoensis H.A. Pilsbry & C.E. Beecher, 1929 - (AMPULLARIIDAE)
- Congohelix, syn of: Genus Halolimnohelix J. Germain, 1913 (HALOLIMNOHELICIDAE)
- congolensis, Septariellina congolensis J.C. Bequaert & W.J. Clench, 1936 † - (NERITILIIDAE) (FOSSIL)
- congolensis, Gymnarus congolensis (P. Brebion, 1956 †) - (PUGNELLIDAE) (FOSSIL)
- Congoveronicella, Subgenus Pseudoveronicella (Congoveronicella) Forcart, 1954 (VERONICELLIDAE)
- congregale, Popanoceras congregale Ruzhentsev, 1940 † - (PARAPOPANOCERATIDAE) (FOSSIL)
- congregata, Chama congregata T.A. Conrad, 1833 - (CHAMIDAE)
- congregatoides, Chama congregatoides C.J. Maury, 1917 - syn of: Chama congregata T.A. Conrad, 1833 - (CHAMIDAE)
- congressa, Pyrgulina congressa Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- congressensis, Hollandites congressensis Bucher, 1992 † - (BEYRICHITIDAE) (FOSSIL)
- congrua, Nassarius congrua (Yokoyama, 1926 †) - (NASSARIIDAE) (FOSSIL)
- congrua, Cirsonella congrua (C.R. Laws, 1941 †) - (SKENEIDAE) (FOSSIL)
- congruens, Conasprella biraghii congruens (L. Raybaudi Massilia, 1992) - (CONIDAE)
- congruens, Sinuitopsis congruens Reed, 1921 † - (CYRTOLITIDAE) (FOSSIL)
- congruens, Cadulus congruens R.B. Watson, 1879 - (GADILIDAE)
- congruens, Pyrgulina congruens Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- conia, Thyasira conia W.H. Dall & C.T. Simpson, 1901 - (THYASIRIDAE)
- Conibycus, Genus Conibycus K.H.J. Thiele, 1928 (HELICARIONIDAE)
- conica, Notoplax conica Is. Taki & Iw. Taki, 1929 - (ACANTHOCHITONIDAE)
- conica, Tornatellina conica (H.E. Anton, 1839) - (ACHATINELLIDAE)
- conica, Tornatellina conica A. Mousson, 1869 - syn of: Lamellidea pusilla (A.A. Gould, 1847) - (ACHATINELLIDAE)
- conica, Acmaea conica (J.L.M. Defrance, 1824 †) - (ACMAEIDAE) (FOSSIL)
- conica, Amastra conica D.D. Baldwin, 1906 - (AMASTRIDAE)
- conica, Pila conica Gray, 1840 - (AMPULLARIIDAE)
- conica, Ampullaria conica W. Wood, 1828 - syn of: Pila scutata (A. Mousson, 1848) - (AMPULLARIIDAE)
- conica, Pila conica W. Wood, 1828 - syn of: Pila scutata (A. Mousson, 1848) - (AMPULLARIIDAE)
- conica, Ampullina conica Malaroda, 1954 † - syn of: Crommium cepaciforme (P. Oppenheim, 1896 †) - (AMPULLINIDAE) (FOSSIL)
- conica, Anatoma conica (A.V.M.D. D'Orbigny, 1841) - (ANATOMIDAE)
- conica, Anatoma conica D'Orbigny, 1841 - syn of: Anatoma conica (A.V.M.D. D'Orbigny, 1841) - (ANATOMIDAE)
- conica, Cinctaspira conica A.W.B. Powell, 1933 † - (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- conica, Juliania conica Morra & del Río, 1985 † - (ARCHITECTONICIDAE) (FOSSIL)
- conica, Torinia conica W.H. Pease, 1865 - syn of: Heliacus trochoides (G.P. Deshayes, 1830) - (ARCHITECTONICIDAE)
- conica, Heliacus conica W.H. Pease, 1865 - syn of: Heliacus trochoides (G.P. Deshayes, 1830) - (ARCHITECTONICIDAE)
- conica, Acmella conica J.J. Vermeulen & D.J. Junau, 2007 - (ASSIMINEIDAE)
- conica, Paludinella conica (J.F. Quadras & O.F. von Möllendorff, 1894) - (ASSIMINEIDAE)
- conica, Lewisiella conica (A.V.M.D. D'Orbigny, 1852 †) - (ATAPHRIDAE) (FOSSIL)
- conica, Chrysallis caniceps conica P. Bartsch, 1932 - (BRADYBAENIDAE)
- conica, Cominella conica Bell A. † - (BUCCINIDAE) (FOSSIL)
- conica, Neptunea despecta conica (C.W.S. Aurivillius, 1885) - (BUCCINIDAE)
- conica, Bythinella austriaca conica S. Clessin, 1910 - (BYTHINELLIDAE)
- conica, Calyptraea conica W.J. Broderip, 1834 - (CALYPTRAEIDAE)
- conica, Crystallopsis conica G.P.L.K. Gude, 1907 - (CAMAENIDAE)
- conica, Trichotropis conica W.J. Broderip & G.B. I Sowerby, 1842 - syn of: Ariadnaria borealis (W.J. Broderip & G.B. I Sowerby, 1829) - (CAPULIDAE)
- conica, Ceritella conica Morris & Lycett † - (CERITELLIDAE) (FOSSIL)
- conica, Ondulopsis conica A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- conica, Tubercliopsis conica A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- conica, Seila conica A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- conica, Skenella conica (E.A. Kay, 1979) - (CINGULOPSIDAE)
- conica, Clivunella conica Gorjanovic-Kramberger, 1923 † - (CLAVATULIDAE) (FOSSIL)
- conica, Clavatula conica F.E. Edwards, 1857 - syn of: Clavatula muricata conica (F.E. Edwards, 1857) - (CLAVATULIDAE)
- conica, Clavatula muricata conica (F.E. Edwards, 1857) - (CLAVATULIDAE)
- conica, Cocculina conica A.E. Verrill, 1884 - (COCCULINIDAE)
- conica, Littoridina conica Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- conica, Tropidebora conica Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- conica, Coelostylina conica (Münster, 1841 †) - (COELOSTYLINIDAE) (FOSSIL)
- conica, Conus conica Martin, 1881 † - (CONIDAE) (FOSSIL)
- conica, Creseis conica J.F. von Eschscholtz, 1829 - (CRESEIDAE)
- conica, Japonia conica (E.A. Smith, 1894) - (CYCLOPHORIDAE)
- conica, Diala conica W.H. Turton, 1932 - syn of: Diala semistriata (R.A. Philippi, 1849) - (DIALIDAE)
- conica, Discus conica H.A. Pilsbry & Y. Hirase, 1902 - (DISCIDAE)
- conica, Duvalia conica (H.M.D. de Blainville, 1827 †) - (DUVALIIDAE) (FOSSIL)
- conica, Anematina conica (Winchell, 1863 †) - (ELASMONEMATIDAE) (FOSSIL)
- conica, Laemodonta conica W.H. Pease - syn of: Allochroa bronnii (R.A. Philippi, 1846) - (ELLOBIIDAE)
- conica, Ellobium pyramidale conica F.W. Harmer † - (ELLOBIIDAE) (FOSSIL)
- conica, Clathrospira conica Ulrich & Scofield, 1897 † - (EOTOMARIIDAE) (FOSSIL)
- conica, Epitonium conica J.B.P.A. Lamarck, 1822 - syn of: Epitonium scalare (C. Linnaeus, 1758) - (EPITONIIDAE)
- conica, Eulima conica T.A. Verkrüzen, 1887 - (EULIMIDAE)
- conica, Vitreolina conica (C.B. Adams, 1850) - (EULIMIDAE)
- conica, Eulima conica G.B. II Sowerby, 1890 - syn of: Eulima subconica E.A. Smith, 1890 - (EULIMIDAE)
- conica, Puncturella conica (A.V.M.D. D'Orbigny, 1841) - (FISSURELLIDAE)
- conica, Emarginula conica H.C.F. Schumacher, 1817 - syn of: Emarginula rosea Bell, 1824 - (FISSURELLIDAE)
- conica, Emarginula conica H.M.D. de Blainville, 1827 - syn of: Emarginula sicula J.E. Gray, 1825 - (FISSURELLIDAE)
- conica, Emarginula conica J.B.P.A. Lamarck, 1801 - syn of: Emarginula fissura (C. Linnaeus, 1758) - (FISSURELLIDAE)
- conica, Campbellospira conica E.K. Yoo, 1994 † - (GOSSELETINIDAE) (FOSSIL)
- conica, Euconospira conica (B. Phillips, 1836 †) - (GOSSELETINIDAE) (FOSSIL)
- conica, Mourlonia conica B. Phillips, 1836 † - syn of: Euconospira conica (B. Phillips, 1836 †) - (GOSSELETINIDAE) (FOSSIL)
- conica, Amphidonte conica (J. de C. Sowerby, 1813 †) - (GRYPHAEIDAE) (FOSSIL)
- conica, Helicarion sophiae conica J.W. Brazier, 1889 - (HELICARIONIDAE)
- conica, Rossmaessleria vondeli conica P.M. Pallary, 1928 - (HELICIDAE)
- conica, Semitrochatella conica (L. Pfeiffer, 1839) - (HELICINIDAE)
- conica, Helicina conica D'Orbigny - syn of: Troschelviana pyramidalis (G.B. Sowerby, 1842) - (HELICINIDAE)
- conica, Eutrochatella conica L. Pfeiffer - syn of: Semitrochatella conica (L. Pfeiffer, 1839) - (HELICINIDAE)
- conica, Holopea lavinia conica Billings, 1865 † - (HOLOPEIDAE) (FOSSIL)
- conica, Pyrgula conica Taner, 1974 † - (HYDROBIIDAE) (FOSSIL)
- conica, Peringia conica (C. Prevost, 1821 †) - (HYDROBIIDAE) (FOSSIL)
- conica, Lutetiella conica (Prévost, 1821 †) - (HYDROBIIDAE) (FOSSIL)
- conica, Pyrgulopsis conica R. Hershler, 1988 - (HYDROBIIDAE)
- conica, Graecoanatolica conica P. Radoman, 1973 - (HYDROBIIDAE)
- conica, Caspiohydrobia conica (B.M. Logvinenko & Y.I. Starobogatov, 1968) - (HYDROBIIDAE)
- conica, Spilochlamys conica F.G. Thompson, 1968 - (HYDROBIIDAE)
- conica, Pseudamnicola skhiadica conica Willmann, 1981 † - (HYDROBIIDAE) (FOSSIL)
- conica, Trochoidea conica J.P.R. Draparnaud, 1801 - syn of: Trochoidea trochoides (J.L.M. Poiret, 1789) - (HYGROMIIDAE)
- conica, Aulacospira conica J.J. Vermeulen, L.C. Phung & Q.T. Truong, 2007 - (HYPSELOSTOMATIDAE)
- conica, Mutela conica G. Servain, 1890 - syn of: Mutela dubia J.F. Gmelin, 1793 - (IRIDINIDAE)
- conica, Limacina conica A. von Koenen, 1892 † - (LIMACINIDAE) (FOSSIL)
- conica, Littoraria conica (R.A. Philippi, 1846) - (LITTORINIDAE)
- conica, Littorina conica G. Nevill, 1885 - syn of: Littoraria undulata (Gray, 1826) - (LITTORINIDAE)
- conica, Worthenia conica Assmann, 1937 † - (LOPHOSPIRIDAE) (FOSSIL)
- conica, Loxonema conica Whidborne, 1891 † - syn of: Devonozyga conicum (Whidborne, 1891 †) - (LOXONEMATIDAE) (FOSSIL)
- conica, Protoginella conica (G.F. Harris, 1897 †) - (MARGINELLIDAE) (FOSSIL)
- conica, Pseudofagotia conica V.V. Anistratenko, 1993 † - (MELANOPSIDAE) (FOSSIL)
- conica, Imbricaria conica H.C.F. Schumacher, 1817 - syn of: Imbricaria conularis (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- conica, Paladilhia conica A. Paladilhe, 1867 - (MOITESSIERIIDAE)
- conica, Pseudoaclisina conica A. Peñas & E. Rolán, 2013 - (MURCHISONELLIDAE)
- conica, Ptygmatis conica (Buvignier, 1852 †) - (NERINEIDAE) (FOSSIL)
- conica, Orcula conica E.A. Rossmässler, 1837 - (ORCULIDAE)
- conica, Partula conica A.A. Gould, 1848 - (PARTULIDAE)
- conica, Patella vulgata conica H.E. Anton, 1839 - (PATELLIDAE)
- conica, Lamellospira conica Batten, 1958 † - (PHYMATOPLEURIDAE) (FOSSIL)
- conica, Pleurotomaria conica B. Phillips, 1836 † - syn of: Euconospira conica (B. Phillips, 1836 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- conica, Lacunopsis conica R.A.M. Brandt, 1968 - (POMATIOPSIDAE)
- conica, Permoconcha conica (Batten, 1958 †) - (PORTLOCKIELLIDAE) (FOSSIL)
- conica, Crassispira conica P.O. Jung, 1965 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- conica, Petrochus conica (Tyler, 1965 †) - (PSEUDOPHORIDAE) (FOSSIL)
- conica, Plocezyga conica Hoare & Sturgeon, 1980 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- conica, Pseudozygopleura conica Knight, 1930 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- conica, Pyramidella conica C.B. Adams, 1852 - (PYRAMIDELLIDAE)
- conica, Miralda conica C.F. Laseron, 1959 - (PYRAMIDELLIDAE)
- conica, Pyramidula conica H.A. Pilsbry & Y. Hirase, 1902 - (PYRAMIDULIDAE)
- conica, Orospira conica Cullison, 1944 † - (RAPHISTOMATIDAE) (FOSSIL)
- conica, Rissoella conica (L. de Folin & J.P.L. Périer, 1870) - (RISSOELLIDAE)
- conica, Cingula conica C.B. Adams, 1850 - (RISSOIDAE)
- conica, Sagda conica W.J. Swainson, 1840 - syn of: Sagda cookiana (J.F. Gmelin, 1790) - (SAGDIDAE)
- conica, Scenella conica J.J.F. Whiteaves, 1884 † - (SCENELLIDAE) (FOSSIL)
- conica, Seguenzia conica F. Nordsieck, 1973 - syn of: Pedicularia sicula W.J. Swainson, 1840 - (SEGUENZIIDAE)
- conica, Brookula conica (R.B. Watson, 1886) - (SEGUENZIOIDEA (UNASSIGNED))
- conica, Euconia conica J. Heller, 1954 † - (SINUOPEIDAE) (FOSSIL)
- conica, Lissospira conica (W.H. Dall, 1927) - (SKENEIDAE)
- conica, Ganesa conica W.H. Dall, 1927 - syn of: Lissospira conica (W.H. Dall, 1927) - (SKENEIDAE)
- conica, Sphincterochila maroccana conica P.M. Pallary, 1926 - (SPHINCTEROCHILIDAE)
- conica, Melania conica Münster, 1841 † - syn of: Coelostylina conica (Münster, 1841 †) - (THIARIDAE) (FOSSIL)
- conica, Conusella conica Grundel, 1999 † - (TOFANELLIDAE) (FOSSIL)
- conica, Callodix conica C.F. Laseron, 1958 - (TORNIDAE)
- conica, Trachydomia conica I. Hayasaka, 1943 † - (TRACHYSPIRIDAE) (FOSSIL)
- conica, Conominolia conica (P. Marshall, 1917 †) - (TROCHIDAE) (FOSSIL)
- conica, Thalotia conica (Gray, 1827) - (TROCHIDAE)
- conica, Geomelania conica C.B. Adams, 1850 - syn of: Geomelania typica (C.B. Adams, 1850) - (TRUNCATELLIDAE)
- conica, Vermicularia conica J.B.P.A. Lamarck, 1804 † - (TURRITELLIDAE) (FOSSIL)
- conica, Turritella conica Klipstein, 1843 † - syn of: Atorcula canalifera (Münster, 1841 †) - (TURRITELLIDAE) (FOSSIL)
- conica, Nilsia conica (N.H. Odhner, 1924) - (VANIKORIDAE)
- conica, Marseniopsis conica (E.A. Smith, 1902) - (VELUTINIDAE)
- conica, Velutina conica W.H. Dall, 1887 - syn of: Limneria prolongata (P.P. Carpenter, 1864) - (VELUTINIDAE)
- conica, Xenophora conica W.H. Dall, 1892 † - (XENOPHORIDAE) (FOSSIL)
- conica anafaensis, Eutrochatella conica anafaensis C.G. Aguayo & M.L. Jaume - syn of: Semitrochatella conica (L. Pfeiffer, 1839) - (HELICINIDAE)
- conica cognata, Puncturella conica cognata (A.A. Gould, 1852) - (FISSURELLIDAE)
- conica conicoides, Laemodonta conica conicoides C.M. Tapparone-Canefri, 1883 - syn of: Allochroa layardi (H. Adams & A. Adams, 1855) - (ELLOBIIDAE)
- conica conicoides, Allochroa conica conicoides C.M. Tapparone-Canefri, 1883 - syn of: Allochroa layardi (H. Adams & A. Adams, 1855) - (ELLOBIIDAE)
- conica delicatula, Littoraria conica delicatula G. Nevill, 1885 - syn of: Littoraria delicatula (G. Nevill, 1885) - (LITTORINIDAE)
- conica falciformis, Creseis conica falciformis J. Rampal, 2002 - (CRESEIDAE)
- conica funicula, Pirenella conica funicula P.M. Pallary, 1912 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (POTAMIDIDAE)
- conica fusca, Pirenella conica fusca P.M. Pallary, 1912 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (POTAMIDIDAE)
- conica gentilis, Amastra conica gentilis C.M. Cooke, 1917 - (AMASTRIDAE)
- conica gyrans, Amastra conica gyrans A. Hyatt, 1911 - (AMASTRIDAE)
- conica kohalensis, Amastra conica kohalensis A. Hyatt & H.A. Pilsbry, 1911 - (AMASTRIDAE)
- conica mairei, Pirenella conica mairei P.M. Pallary, 1938 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (POTAMIDIDAE)
- conica major, Pirenella conica major P.M. Pallary, 1912 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (POTAMIDIDAE)
- conica subintermedia, Littoraria conica subintermedia G. Nevill, 1885 - syn of: Littoraria delicatula (G. Nevill, 1885) - (LITTORINIDAE)
- conica subintermedia, Littorina conica subintermedia G. Nevill, 1885 - syn of: Littoraria delicatula (G. Nevill, 1885) - (LITTORINIDAE)
- conica teilhardi, Pirenella conica teilhardi P.M. Pallary, 1912 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (POTAMIDIDAE)
- Conicella, syn of: Genus Putilla A. Adams, 1867 (SEGUENZIOIDEA (UNASSIGNED))
- conicera, Lucidinella conicera C.F. Laseron, 1956 - syn of: Iravadia densilabrum (J.C. Melvill, 1912) - (IRAVADIIDAE)
- conicera, Exesilla conicera C.F. Laseron, 1959 - (PYRAMIDELLIDAE)
- conicera patruelis, Lucidinella conicera patruelis C.F. Laseron, 1956 - syn of: Iravadia densilabrum (J.C. Melvill, 1912) - (IRAVADIIDAE)
- Conicheria, Subgenus Thatcheria (Conicheria) Olsson, 1964 (RAPHITOMIDAE) (FOSSIL)
- conicla, Eubranchus conicla (Er. Marcus, 1958) - (EUBRANCHIDAE)
- conicla, Capellinia conicla Er. Marcus, 1958 - syn of: Eubranchus conicla (Er. Marcus, 1958) - (EUBRANCHIDAE)
- Coniclus, syn of: Genus Strophocheilus J.B. von Spix, 1827 (STROPHOCHEILIDAE)
- conicoides, Leptachatina conicoides E.R. Sykes, 1900 - (AMASTRIDAE)
- conicoides, Geotrochus conicoides W. Metcalfe, 1851 - (HELICARIONIDAE)
- conicoides parva, Geotrochus conicoides parva (E.A. Smith, 1887) - (HELICARIONIDAE)
- conicoides subconvexa, Geotrochus conicoides subconvexa O.F. von Möllendorff - (HELICARIONIDAE)
- Coniconapaeus, Genus Coniconapaeus I. Abbes, S. Nouira & E. Neubert, 2009 (ENIDAE)
- conicopora, Haliotis rubra conicopora F. Péron, 1816 - (HALIOTIDAE)
- conicospira, Amastra conicospira E.A. Smith - syn of: Amastra intermedia (W. Newcomb, 1853) - (AMASTRIDAE)
- conicoturrita, Volutospina conicoturrita R.B. Newton, 1922 † - (VOLUTIDAE) (FOSSIL)
- conicula, Asuranena conicula (E.C. Von Martens, 1882) - (ENIDAE)
- conicula, Phrixgnathus poecilostictus conicula H.H. Suter, 1907 - (PUNCTIDAE)
- conicum, Parietiplicatum conicum (B. Wade, 1926 †) - (ACTEONINIDAE) (FOSSIL)
- conicum, Euspirocrommium conicum Cox, 1930 † - (AMPULLINIDAE) (FOSSIL)
- conicum, Bathysciadium conicum P. Dautzenberg & H. Fischer, 1900 - syn of: Bathysciadium costulatum (É.A.A. Locard, 1898) - (BATHYSCIADIIDAE)
- conicum, Cerithium conicum H.M.D. de Blainville, 1829 - syn of: Potamides conicus (H.M.D. de Blainville, 1829) - (CERITHIIDAE)
- conicum, Cochlostoma conicum (J.N. Vallot, 1801) - (COCHLOSTOMATIDAE)
- conicum, Gomphoceras conicum Barrande, 1865 † - syn of: Mandaloceras conicum (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- conicum, Scalenostoma conicum B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (EULIMIDAE) (FOSSIL)
- conicum, Cerithioides conicum de Koninck, 1881 † - (GONIASMATIDAE) (FOSSIL)
- conicum, Loxonema conicum Whidborne, 1891 † - syn of: Devonozyga conicum (Whidborne, 1891 †) - (LOXONEMATIDAE) (FOSSIL)
- conicum, Mandaloceras conicum (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- conicum, Microdoma conicum F.B. Meek & A.H. Worthen, 1867 † - (MICRODOMATIDAE) (FOSSIL)
- conicum, Conuber conicum (J.B.P.A. Lamarck, 1822) - (NATICIDAE)
- conicum, Orthonema conicum F.B. Meek & A.H. Worthen, 1860 † - syn of: Orthonema salteri (F.B. Meek & A.H. Worthen, 1860 †) - (ORTHONEMATIDAE) (FOSSIL)
- conicum, Orthonychia conicum J.W. Hall, 1859 † - (ORTHONYCHIIDAE) (FOSSIL)
- conicum, Devonozyga conicum (Whidborne, 1891 †) - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- conicum, Platyceras conicum (J.W. Hall, 1862 †) - (PLATYCERATIDAE) (FOSSIL)
- conicum, Cyclonema bilix conicum Miller, 1874 † - (PLATYCERATIDAE) (FOSSIL)
- conicum, Dioscopoma conicum (H.H. Godwin-Austen, 1881) - (POMATIIDAE)
- conicum, Punctum conicum N.H. Odhner, 1921 - (PUNCTIDAE)
- conicum, Scenella conicum (R.P. Whitfield, 1886 †) - (SCENELLIDAE) (FOSSIL)
- conicum, Rhynchorthoceras conicum (Hisinger, 1827 †) - (SINOCERATIDAE) (FOSSIL)
- conicum, Pisidium conicum A.A. Baudon, 1863 - syn of: Pisidium supinum A. Schmidt, 1850 - (SPHAERIIDAE)
- conicum, Umbonium conicum A. Adams & L.A. Reeve, 1850 - (TROCHIDAE)
- conicum, Tryblidium conicum R.P. Whitfield, 1886 † - syn of: Scenella conicum (R.P. Whitfield, 1886 †) - (TRYBLIDIIDAE) (FOSSIL)
- conicum reticulatum, Dioscopoma conicum reticulatum E. Neubert, 2009 - (POMATIIDAE)
- conicus, Archaeozonites conicus Andreae, 1902 † - (ARCHAEOZONITIDAE) (FOSSIL)
- conicus, Xinjiangoconus conicus C. Chen, 1988 † - (AULACOCERATIDAE) (FOSSIL)
- conicus, Belemnites conicus H.M.D. de Blainville, 1827 † - syn of: Duvalia conica (H.M.D. de Blainville, 1827 †) - (BELEMNITELLIDAE) (FOSSIL)
- conicus, Mesembrinus conicus S.I. Da Costa, 1907 - (BULIMULIDAE)
- conicus, Trichotropis conicus H.P.C. Møller, 1842 - (CAPULIDAE)
- conicus, Hipponix conicus (H.C.F. Schumacher, 1817) - (HIPPONICIDAE)
- conicus, Austropyrgus conicus A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- conicus, Potamolithus conicus (A. Brot, 1867) - (LITHOGLYPHIDAE)
- conicus, Cremnoconchus conicus W.T. Blanford, 1870 - (LITTORINIDAE)
- conicus, Megalobulimus conicus (J.C. Bequaert, 1948) - (MEGALOBULIMIDAE)
- conicus, Polinices conicus J.B.P.A. Lamarck, 1822 - syn of: Conuber conicum (J.B.P.A. Lamarck, 1822) - (NATICIDAE)
- conicus, Babylonites conicus E.L. Yochelson, 1956 † - (OMPHALOTROCHIDAE) (FOSSIL)
- conicus, Pachychilus conicus (A.V.M.D. D'Orbigny) - (PACHYCHILIDAE)
- conicus, Paludomus conicus (J.E. Gray, 1834) - (PALUDOMIDAE)
- conicus, Paludomus conicus L.J. Morlet, 1890 - syn of: Paludina kmeriana (L.J. Morlet, 1890) - (PALUDOMIDAE)
- conicus, Caracolus marginella conicus (L. Pfeiffer) - (PLEURODONTIDAE)
- conicus, Pomatias conicus (E. Klein, 1853 †) - (POMATIIDAE) (FOSSIL)
- conicus, Opisthosiphon conicus C.G. Aguayo & M.I. Sánchez Roig, 1949 - (POMATIIDAE)
- conicus, Potamides conicus (H.M.D. de Blainville, 1829) - (POTAMIDIDAE)
- conicus, Pilus conicus (A.E. Verrill, 1884) - (PSEUDOCOCCULINIDAE)
- conicus, Scaphander conicus G.P. Deshayes, 1824 † - (SCAPHANDRIDAE) (FOSSIL)
- conicus, Jarlopsis conicus J. Heller, 1954 † - syn of: Euconia conica J. Heller, 1954 † - (SINUOPEIDAE) (FOSSIL)
- conicus, Soleniscus conicus C. Gemmellaro, 1889 † - (SOLENISCIDAE) (FOSSIL)
- conicus, Discartemon conicus T. Siriboon & S. Panha, 2014 - (STREPTAXIDAE)
- conicus, Trimusculus conicus (G.F. Angas, 1867) - (TRIMUSCULIDAE)
- conicus, Jujubinus conicus E. Donovan, 1803 - syn of: Jujubinus striatus (C. Linnaeus, 1758) - (TROCHIDAE)
- conicus, Trypatrochus conicus (J.B.P.A. Lamarck, 1804 †) - (TRYPANAXIDAE) (FOSSIL)
- conicus, Microceramus conicus C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- conicus, Serpulorbis conicus (L.W. Dillwyn, 1815 †) - (VERMETIDAE) (FOSSIL)
- conicus, Viviparus conicus P.S. Pavlovic, 1903 † - (VIVIPARIDAE) (FOSSIL)
- conicus, Atractites conicus Mojsisovics, 1871 † - (XIPHOTEUTHIDIDAE) (FOSSIL)
- conicus bielanensis, Pomatias conicus bielanensis (Lomnicki, 1902 †) - (POMATIIDAE) (FOSSIL)
- conicus caillaudi, Potamides conicus caillaudi V.L.V. Potiez & A. Michaud, 1838 - (POTAMIDIDAE)
- conicus canaliculatus, Cremnoconchus conicus canaliculatus W.T. Blanford, 1870 - syn of: Cremnoconchus canaliculatus W.T. Blanford, 1870 - (LITTORINIDAE)
- conicus cinerascens, Potamides conicus cinerascens P.S. Pallas - (POTAMIDIDAE)
- conicus edecollata, Cremnoconchus conicus edecollata G. Nevill, 1885 - syn of: Cremnoconchus conicus W.T. Blanford, 1870 - (LITTORINIDAE)
- conicus gigantea, Cremnoconchus conicus gigantea G. Nevill, 1885 - syn of: Cremnoconchus conicus W.T. Blanford, 1870 - (LITTORINIDAE)
- conicus mamillata, Potamides conicus mamillata A. Risso, 1826 - (POTAMIDIDAE)
- conicus pleuretana, Potamides conicus pleuretana F.J. Cantraine, 1835 - (POTAMIDIDAE)
- conicus tricolor, Potamides conicus tricolor P.M. Pallary, 1904 - (POTAMIDIDAE)
- conicus wyattae, Hipponix conicus wyattae A.W.B. Powell, 1958 - syn of: Sabia australis (J.B.P.A. Lamarck, 1819) - (HIPPONICIDAE)
- CONIDAE Fleming, 1822 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-CONOIDEA [Superfamily])
- Conidea, syn of: Genus Pyrene P.F. Rφding, 1798 (COLUMBELLIDAE)
- conifera, Fernandezia conifera (L.A. Reeve, 1849) - (ACHATINELLIDAE)
- conifera, Amastra conifera E.A. Smith, 1873 - (AMASTRIDAE)
- conifera, Opalia conifera G. Montagu, 1804 - syn of: Opalia crenata (C. Linnaeus, 1758) - (EPITONIIDAE)
- conifera, Chrysallida conifera A. Pimenta, 2012 - (PYRAMIDELLIDAE)
- conifera, Phosinella conifera (G. Montagu, 1803) - (RISSOINIDAE)
- conifera, Tritonia conifera J.G. Dalyell, 1853 - syn of: Tritonia hombergii G.L.C.F.D. Cuvier, 1803 - (TRITONIIDAE)
- coniferus, Crioceratites coniferus Busnardo, 2003 † - (CRIOCERATITIDAE) (FOSSIL)
- coniforme, Bisonoceras coniforme Flower, 1964 † - (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- coniforme, Platyteichum coniforme (Jack & R. Etheridge jr., 1892 †) - (GOSSELETINIDAE) (FOSSIL)
- coniforme, Prunum coniforme (Sowerby, 1850 †) - (MARGINELLIDAE) (FOSSIL)
- coniformis, Apex coniformis J.T. Gulick, 1873 - syn of: Achatinella swiftii W. Newcomb - (ACHATINELLIDAE)
- coniformis, Mexicotrochactaeon coniformis (Böse, 1906 †) - (ACTEONELLIDAE) (FOSSIL)
- coniformis, Bulimus coniformis J.G. Bruguière, 1789 - syn of: Melampus coffea (C. Linnaeus, 1758) - (BULIMULIDAE)
- coniformis, Megalacron coniformis (A.E.J. Férussac, 1821) - (CAMAENIDAE)
- coniformis, Parametaria coniformis G.B. Sowerby, 1844 - syn of: Parametaria epamella (P.L. Duclos, 1840) - (COLUMBELLIDAE)
- coniformis, Alycaeus coniformis H.C. Fulton, 1902 - (CYCLOPHORIDAE)
- coniformis, Gibberula coniformis O.A.L. Mörch, 1860 - syn of: Cystiscus politus (P.P. Carpenter, 1857) - (CYSTISCIDAE)
- coniformis, Ellobium coniformis J.G. Bruguière, 1789 - syn of: Melampus coffea (C. Linnaeus, 1758) - (ELLOBIIDAE)
- coniformis, Melampus coniformis J.G. Bruguière, 1792 - syn of: Melampus coffea (C. Linnaeus, 1758) - (ELLOBIIDAE)
- coniformis, Helix coniformis A.E.J. Férussac, 1821 - syn of: Megalacron coniformis (A.E.J. Férussac, 1821) - (HELICIDAE)
- coniformis, Caspiohydrobia coniformis Y.I. Starobogatov & Z.I. Izzatullaev, 1974 - (HYDROBIIDAE)
- coniformis, Eucithara coniformis (L.A. Reeve, 1846) - (MANGELIIDAE)
- coniformis, Eucithara coniformis S.M. Souverbie, 1875 - syn of: Eucithara souverbiei (G.W. Tryon, 1884) - (MANGELIIDAE)
- coniformis, Marginella coniformis Sowerby, 1850 † - syn of: Prunum coniforme (Sowerby, 1850 †) - (MARGINELLIDAE) (FOSSIL)
- coniformis, Pseudofagotia coniformis V.V. Anistratenko, 1993 † - (MELANOPSIDAE) (FOSSIL)
- coniformis, Oliva peruviana coniformis R.A. Philippi, 1848 - (OLIVIDAE)
- coniformis, Pectinodonta coniformis (J. Marwick, 1931 †) - (PECTINODONTIDAE) (FOSSIL)
- coniformis, Pleurotomaria coniformis de Koninck, 1883 † - (PLEUROTOMARIIDAE) (FOSSIL)
- coniformis, Pleurotomaria coniformis A.H. Worthen, 1882 † - (PLEUROTOMARIIDAE) (FOSSIL)
- coniformis, Ringicula coniformis T.A. de M. Monterosato, 1877 - syn of: Ringicula conformis T.A. de M. Monterosato, 1877 - (RINGICULIDAE)
- coniformis, Streptostyla streptostyla coniformis (R.J. Shuttleworth, 1852) - (SPIRAXIDAE)
- coniformis, Conomurex coniformis (G.B. I Sowerby, 1842) - (STROMBIDAE)
- coniformis, Pleurotoma coniformis S.M. Souverbie, 1875 - syn of: Eucithara souverbiei (G.W. Tryon, 1884) - (TURRIDAE)
- coniformis, Volutoconus coniformis (J.C. Cox, 1871) - (VOLUTIDAE)
- conigera, Cypraedia conigera (Martin 1914 †) - (OVULIDAE) (FOSSIL)
- Coniglobus, Subgenus Satsuma (Coniglobus) H.A. Pilsbry & Y. Hirase, 1906 (CAMAENIDAE)
- conili, Anodontia conili Raincourt, 1877 † - (LUCINIDAE) (FOSSIL)
- Conilithes, Genus Conilithes Swainson, 1840 (CONIDAE) (FOSSIL)
- CONILITHIDAE - syn of Family: CONIDAE
- conimbricus, Unio conimbricus W. Kobelt, 1893 - syn of: Unio arcuatus N.R. Bouchard-Chantereaux, 1838 - (UNIONIDAE)
- conimorphus, Ptychomphalus conimorphus de Koninck, 1883 † - (PTYCHOMPHALIDAE) (FOSSIL)
- coninbricensis, Ponentina coninbricensis J. Da Silva e Castro, 1887 - syn of: Ponentina subvirescens (J.C. Bellamy, 1839) - (HYGROMIIDAE)
- Coninoda, Genus Coninoda Kollmann, 1979 (CASSIOPIDAE) (FOSSIL)
- coniodeum, Punctum amblygonum coniodeum O.F. von Möllendorff, 1882 - (PUNCTIDAE)
- Coniscala, Subgenus Amaea (Coniscala) De Boury, 1887 (EPITONIIDAE)
- conisimilis, Raphitoma conisimilis Harmer † - (RAPHITOMIDAE) (FOSSIL)
- conispadiceus, Octopus conispadiceus M. Sasaki, 1917 - (OCTOPODIDAE)
- conispira, Granaria conispira C.A. Westerlund, 1893 - syn of: Abida braunii E.A. Rossmässler, 1842 - (CHONDRINIDAE)
- conispirus, Scutalus conispirus A. Doering, 1879 - syn of: Bostryx stelzneri conispirus (A. Doering, 1879) - (BULIMULIDAE)
- conispirus, Bostryx stelzneri conispirus (A. Doering, 1879) - (BULIMULIDAE)
- conispirus minuta, Bostryx stelzneri conispirus minuta J.J. Parodíz, 1948 - (BULIMULIDAE)
- coniungens, Melanopsis clava coniungens F. Sacco, 1886 † - (MELANOPSIDAE) (FOSSIL)
- Conivelutina, syn of: Genus Limneria H. Adams & A. Adams, 1853 (VELUTINIDAE)
- Conjectura, Genus Conjectura H.J. Finlay, 1927 (CROSSEOLIDAE)
- conjonctiva, Trivellona conjonctiva L. Dolin, 2001 - (TRIVIIDAE)
- conjugata, Oriostoma conjugata J. Perner, 1903 † - (ORIOSTOMATIDAE) (FOSSIL)
- conjugata, Parthenina conjugata Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- conjuge, Dispotaea constricta conjuge Gardner, 1947 † - (CALYPTRAEIDAE) (FOSSIL)
- conjugens, Arcestes conjugens Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- conjugens, Cardinia conjugens L. Waagen, 1881 † - syn of: Anodontophora conjugens (L. Waagen, 1881 †) - (CARDINIIDAE) (FOSSIL)
- conjugens, Goniasma conjugens (L. Waagen, 1880 †) - (GONIASMATIDAE) (FOSSIL)
- conjugens, Anodontophora conjugens (L. Waagen, 1881 †) - (TRIGONODIDAE) (FOSSIL)
- conjuncta, Roblinella conjuncta T. Iredale, 1941 - (CHAROPIDAE)
- conjuncta, Bulgarica vetusta conjuncta (H.C. Küster, 1860) - (CLAUSILIIDAE)
- conjuncta, Friginatica conjuncta R.K. Dell, 1953 - syn of: Falsilunatia amphiala (R.B. Watson, 1881) - (NATICIDAE)
- conjuncta, Ebalina conjuncta A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- conjunctispira, Parvisipho conjunctispira A.E.M. Cossmann † - (BUCCINIDAE) (FOSSIL)
- conjunctum, Caecum conjunctum L. de Folin, 1867 - syn of: Caecum pulchellum W. Stimpson, 1851 - (CAECIDAE)
- conjunctum, Epitonium conjunctum (M. Yokoyama, 1922) - (EPITONIIDAE)
- conjunctus, Clavilithes conjunctus (G.P. Deshayes, 1837 †) - (FASCIOLARIIDAE) (FOSSIL)
- conjunctus, Tympanotonos conjunctus A.E.M. Cossmann, 1906 † - (POTAMIDIDAE) (FOSSIL)
- conjunctus rotundatus, Clavilithes conjunctus rotundatus Klushnikov, 1958 † - (FASCIOLARIIDAE) (FOSSIL)
- conjungens, Miolyncina conjungens (F. Sacco, 1894 †) - (CYPRAEIDAE) (FOSSIL)
- conjungens, Amandana cisternasi conjungens (S.H.F. Jaeckel, 1952) - (HYGROMIIDAE)
- conkini, Polaricyclus conkini Work & Mason, 2004 † - (PERICYCLIDAE) (FOSSIL)
- conlaxatum, Gulielmites conlaxatum S.S. Buckman, 1918 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- conleyi, Favartia conleyi R. Houart, 1999 - (MURICIDAE)
- conlini, Sumitomoceras conlini Wright & J. Kennedy 1981 † - (ACANTHOCERATIDAE) (FOSSIL)
- conlini, Inoceramus conlini Walaszczyk, Cobban & Harries, 2001 † - (INOCERAMIDAE) (FOSSIL)
- conlini, Stoliczkaia conlini J. Kennedy, 2005 † - (LYELLICERATIDAE) (FOSSIL)
- conlini, Ostlingoceras conlini Clark, 1955 † - (TURRILITIDAE) (FOSSIL)
- Conlinoceras, Genus Conlinoceras Cobban & Scott, 1972 (ACANTHOCERATIDAE) (FOSSIL)
- connasaugaensis, Strophitus connasaugaensis (I. Lea, 1858) - (UNIONIDAE)
- connata, Viriola connata (R.P. Montrouzier, 1862) - (TRIPHORIDAE)
- connectans, Cystiscus connectans (W.L. May, 1911) - (CYSTISCIDAE)
- connectans, Pholadomya connectans E. Forbes, 1846 † - (PHOLADOMYIDAE) (FOSSIL)
- connectens, Pseudachatina connectens (E.C. Von Martens, 1895) - (ACHATINIDAE)
- connectens, Helicostyla connectens (O.F. von Möllendorff, 1899) - (BRADYBAENIDAE)
- connectens, Bradybaena connectens (O.F. von Möllendorff, 1899) - (BRADYBAENIDAE)
- connectens, Camaena cicatricosa connectens P. Dautzenberg & H. Fischer, 1905 - (CAMAENIDAE)
- connectens, Amphidromus everetti connectens H.C. Fulton, 1896 - (CAMAENIDAE)
- connectens, Chiton connectens K.H.J. Thiele, 1909 - (CHITONIDAE)
- connectens, Phyllocladiscites connectens (J. Von Hauer, 1892 †) - (CLADISCITIDAE) (FOSSIL)
- connectens, Cochlostoma connectens O.F. von Möllendorff, 1898 - (COCHLOSTOMATIDAE)
- connectens, Conus connectens A. Adams, 1855 - syn of: Dauciconus daucus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- connectens, Epiphragmophora connectens F. Haas, 1959 - (EPIPHRAGMOPHORIDAE)
- connectens, Emarginula connectens K.H.J. Thiele, 1915 - (FISSURELLIDAE)
- connectens, Pselioceras connectens (L. Waagen, 1879 †) - (GRYPOCERATIDAE) (FOSSIL)
- connectens, Hemiglypta panayensis connectens O.F. von Möllendorff, 1898 - (HELICARIONIDAE)
- connectens, Lima connectens C. Gemmellaro, 1896 † - (LIMIDAE) (FOSSIL)
- connectens, Guraleus cuspis connectens (G.B. III Sowerby, 1897) - (MANGELIIDAE)
- connectens, Mitra connectens P. Dautzenberg & J.L. Bouge, 1923 - syn of: Nebularia cucumerina (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- connectens, Nautilus connectens L. Waagen, 1879 † - syn of: Pselioceras connectens (L. Waagen, 1879 †) - (NAUTILIDAE) (FOSSIL)
- connectens, Tylomelania connectens P.B. Sarasin & K.F. Sarasin, 1898 - (PACHYCHILIDAE)
- connectens, Hiatula connectens (E.C. Von Martens, 1865) - (PSAMMOBIIDAE)
- connectens, Tortulosa connectens (H.C. Fulton, 1903) - (PUPINIDAE)
- connectens, Charonia connectens Wood, 1872 † - (RANELLIDAE) (FOSSIL)
- connectens, Sagda connectens C.B. Adams - (SAGDIDAE)
- connectens, Valvata connectens Š. Brusina, 1892 † - (VALVATIDAE) (FOSSIL)
- connectens, Ericusa fulgetrum connectens J.C. Verco, 1912 - (VOLUTIDAE)
- connectens catadupae, Sagda connectens catadupae H.B. Baker, 1935 - (SAGDIDAE)
- connectens colorata, Pseudachatina connectens colorata T. Pain & C.R.C. Paul, 1967 - (ACHATINIDAE)
- connelli, Cypraeovula connelli (W. Liltved, 1983) - (CYPRAEIDAE)
- connelli, Drillia connelli R.N. Kilburn, 1988 - (DRILLIIDAE)
- connelli, Emarginula connelli R.N. Kilburn, 1978 - (FISSURELLIDAE)
- connelli, Cinguloterebra connelli (T. Bratcher & W.O. Cernohorsky, 1985) - (TEREBRIDAE)
- connelli peelae, Cypraeovula connelli peelae F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- connellyi, Callistochiton palmulatus connellyi G. Willett, 1937 - (CALLISTOPLACIDAE)
- connexa, Murella platychela connexa (C.A. Westerlund, 1889) - (HELICIDAE)
- connexa, Chrysallida connexa (P. Dautzenberg, 1912) - (PYRAMIDELLIDAE)
- connexa, Adelomelon beckii connexa (F. Lahille, 1895) - (VOLUTIDAE)
- Connexiscala, syn of: Genus Epitonium P.F. Rφding, 1798 (EPITONIIDAE)
- Connexochiton, Genus Connexochiton P. Kaas, 1979 (ISCHNOCHITONIDAE)
- connexum, Epitonium connexum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- connisum, Elasmias connisum T. Iredale, 1944 - syn of: Elasmias apertum (W.H. Pease, 1864) - (ACHATINELLIDAE)
- connivens, Incerticyclus connivens (A. Adams, 1866) - (NEOCYCLOTIDAE)
- connivens, Gyraulus connivens (K.E.I. von Eichwald, 1830) - (PLANORBIDAE)
- connivens iheyaensis, Eulota connivens iheyaensis H.A. Pilsbry & Y. Hirase, 1905 - syn of: Bradybaena phaeogramma iheyaensis H.A. Pilsbry & Y. Hirase, 1905 - (BRADYBAENIDAE)
- connoleyi, Otala connoleyi (P.M. Pallary, 1926) - (HELICIDAE)
- Connollya, Genus Connollya N.H. Odhner, 1932 (FERUSSACIIDAE)
- connollyana, Hypolysia connollyana L. Pfeiffer - (SUBULINIDAE)
- connollyi, Achatina connollyi H.B. Preston, 1912 - (ACHATINIDAE)
- connollyi, Meladomus connollyi T. Pain, 1954 - syn of: Lanistes ovum F.H. Troschel, 1845 - (AMPULLARIIDAE)
- connollyi, Afrodonta connollyi G.A. Solem, 1970 - (CHAROPIDAE)
- connollyi, Dorcasia connollyi M. Connolly, 1916 - (DORCASIIDAE)
- connollyi, Cecilioides connollyi J.R. le B. Tomlin, 1943 - (FERUSSACIIDAE)
- connollyi, Glycymeris connollyi J.R. le B. Tomlin, 1926 - (GLYCYMERIDIDAE)
- connollyi, Ferrissia connollyi B. Walker, 1912 - (PLANORBIDAE)
- connollyi, Gyraulus connollyi D.S. Brown & J.A. van Eeden, 1969 - (PLANORBIDAE)
- connollyi, Oreohomorus connollyi (N.H. Odhner, 1932) - (SUBULINIDAE)
- connollyi exilis, Gyraulus connollyi exilis (G. Mandahl-Barth, 1954) - (PLANORBIDAE)
- connorsiana, Griffithsina connorsiana J. Stanisic, 2010 - (RHYTIDIDAE)
- connyae, Calliostoma connyae G.T. Poppe, S.P. Tagaro & C. Vilvens, 2014 - (CALLIOSTOMATIDAE)
- conoastensis, Odostomia conoastensis (F. Sacco, 1892 †) - (PYRAMIDELLIDAE) (FOSSIL)
- Conobelus, Genus Conobelus Stolley , 1919 (DIMITOBELIDAE) (FOSSIL)
- Conobycus, syn of: Genus Coneuplecta O.F. von Mφllendorff, 1893 (EUCONULIDAE)
- conocardiformis, Eopteria conocardiformis Pojeta & Runnegar, 1976 † - (EOPTERIIDAE) (FOSSIL)
- CONOCARDIIDAE Miller, 1889 - Family (ROSTROCONCHIA-CONOCARDIIDA [Order]-CONOCARDIOIDEA [Superfamily]) (FOSSIL)
- Conocardiopsis, Genus Conocardiopsis Beushausen, 1895 (LUNULACARDIIDAE) (FOSSIL)
- Conocardium, Genus Conocardium Hall, 1856 (CONOCARDIIDAE) (FOSSIL)
- conocauda, Clarkeiteuthis conocauda (F.A. von Quenstedt, 1849 †) - (PHRAGMOTEUTHIDIDAE) (FOSSIL)
- conocauda, Phragmoteuthis conocauda F.A. von Quenstedt, 1849 † - syn of: Clarkeiteuthis conocauda (F.A. von Quenstedt, 1849 †) - (PHRAGMOTEUTHIDIDAE) (FOSSIL)
- Conoceras, Genus Conoceras Bronn, 1837 (ENDOCERIDA (UNASSIGNED)) (FOSSIL)
- Conocerina, Genus Conocerina Ulrich & Foerste, 1935 (ELLESMEROCERATIDAE) (FOSSIL)
- Conocerithium, syn of: Genus Cerithium J.G. Bruguiθre, 1789 (CERITHIIDAE)
- Conoclisa, Genus Conoclisa Hornύ, 1964 (CLISOSPIRIDAE) (FOSSIL)
- Conocypraea, Genus Conocypraea Oppenheim, 1901 (CYPRAEIDAE) (FOSSIL)
- Conodia, Genus Conodia Stinchcomb & Darrough, 1995 (MATTHEVIIDAE) (FOSSIL)
- Conodicoelites, Genus Conodicoelites Stevens, 1965 (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- conoeides, Calliotropis conoeides C. Vilvens, 2007 - (CALLIOTROPIDAE)
- Conoelix, syn of: Genus Imbricaria H.C.F. Schumacher, 1817 (MITRIDAE)
- conofaciata, Turritella conofaciata F. Sacco, 1895 † - (TURRITELLIDAE) (FOSSIL)
- conofasciata, Turritella conofasciata F. Sacco, 1895 † - syn of: Turritella conofaciata F. Sacco, 1895 † - (TURRITELLIDAE) (FOSSIL)
- Conogulella, Subgenus Gulella (Conogulella) H.A. Pilsbry, 1919 (STREPTAXIDAE)
- conohelicoides, Eucithara conohelicoides (L.A. Reeve, 1846) - (MANGELIIDAE)
- conohelix, Stephopoma conohelix Tenison Woods, 1877 † - (VERMETIDAE) (FOSSIL)
- Conohibolites, syn of: Genus Conohibolithes Janssen & Fozy, 2005 (MESOHIBOLITHIDAE) (FOSSIL)
- Conohibolithes, Genus Conohibolithes Janssen & Fozy, 2005 (MESOHIBOLITHIDAE) (FOSSIL)
- Conoidacmaea, Genus Conoidacmaea (PATELLOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Conoidacmea, syn of: Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- conoidaea, Melanopsis jordanica conoidaea J.R. Bourguignat, 1884 - (MELANOPSIDAE)
- conoidale, Benoistia conoidale (J.B.P.A. Lamarck, 1804 †) - (BRACHYTREMATIDAE) (FOSSIL)
- conoidale, Buccinum conoidale G.P. Deshayes in Belanger, 1832 - syn of: Nassarius conoidalis (G.P. Deshayes, 1832) - (BUCCINIDAE)
- conoidale, Craspedopoma conoidale A. Michaud, 1855 † - (CRASPEDOPOMATIDAE) (FOSSIL)
- conoidalis, Acmaea conoidalis W.H. Pease, 1868 - syn of: Patelloida conoidalis (W.H. Pease, 1868) - (ACMAEIDAE)
- conoidalis, Eoacmaea conoidalis (W.H. Pease, 1868) - (EOACMAEIDAE)
- conoidalis, Eulima conoidalis G.B. II Sowerby, 1865 - syn of: Melanella cumingii (A. Adams, 1851) - (EULIMIDAE)
- conoidalis, Harpa major conoidalis J.B.P.A. Lamarck, 1822 - (HARPIDAE)
- conoidalis, Peasiella conoidalis (W.H. Pease, 1868) - (LITTORINIDAE)
- conoidalis, Patelloida conoidalis (W.H. Pease, 1868) - (LOTTIIDAE)
- conoidalis, Marginella conoidalis L.C. Kiener, 1841 - syn of: Prunum apicinum (K.T. Menke, 1828) - (MARGINELLIDAE)
- conoidalis, Prunum conoidalis L.C. Kiener, 1841 - syn of: Prunum apicinum (K.T. Menke, 1828) - (MARGINELLIDAE)
- conoidalis, Nassarius conoidalis (G.P. Deshayes, 1832) - (NASSARIIDAE)
- conoidalis, Jaspidella conoidalis J.B.P.A. Lamarck, 1811 - syn of: Jaspidella jaspidea (J.F. Gmelin, 1791) - (OLIVIDAE)
- conoidalis, Oliva conoidalis J.B.P.A. Lamarck, 1811 - syn of: Jaspidella jaspidea (J.F. Gmelin, 1791) - (OLIVIDAE)
- conoidalis, Trochus conoidalis W.H. Pease, 1868 - syn of: Peasiella conoidalis (W.H. Pease, 1868) - (TROCHIDAE)
- conoidalis, Valvata conoidalis A. Michaud, 1855 † - (VALVATIDAE) (FOSSIL)
- conoidalis labordei, Nassarius conoidalis labordei F.P. Jousseaume in J. Giner Mari, 1929 - syn of: Nassarius labordei F.P. Jousseaume in J. Giner Mari, 1929 - (NASSARIIDAE)
- conoidalus, Vermetus conoidalus (Vasseur, 1881 †) - (VERMETIDAE) (FOSSIL)
- conoidea, Phasianema conoidea (C.B. Adams, 1863) - (AMATHINIDAE)
- conoidea, Pomacea conoidea (E.C. Von Martens, 1899) - (AMPULLARIIDAE)
- conoidea, Ancilla conoidea G.J. De Cristofori & G. Jan, 1832 † - (ANCILLARIIDAE) (FOSSIL)
- conoidea, Clio conoidea A. da Costa, 1873 - syn of: Creseis virgula (P.C.A.S.L. Rang, 1828) - (CLIIDAE)
- conoidea, Cochlicella conoidea (J.P.R. Draparnaud, 1801) - (COCHLICELLIDAE)
- Conoidea, syn of: Genus Mitrella A. Risso, 1826 (COLUMBELLIDAE)
- conoidea, Craspedopoma conoidea H.C. Küster, 1852 - syn of: Craspedopoma mucronatum (K.T. Menke, 1830) - (CRASPEDOPOMATIDAE)
- conoidea, Denayella conoidea (Tassell, 1982 †) - (EOTOMARIIDAE) (FOSSIL)
- conoidea, Melanella conoidea (Kurtz & W. Stimpson, 1851) - (EULIMIDAE)
- conoidea, Eulima conoidea Kurtz & W. Stimpson, 1851 - syn of: Melanella conoidea (Kurtz & W. Stimpson, 1851) - (EULIMIDAE)
- conoidea, Triptychia conoidea Fischer & Wenz, 1916 † - (FILHOLIIDAE) (FOSSIL)
- conoidea, Promathildia conoidea Grundel, 1997 † - syn of: Jurilda conoidea (J. Gründel, 1997 †) - (GORDENELLIDAE) (FOSSIL)
- conoidea, Helix conoidea A. Moquin-Tandon, 1855 - syn of: Cornu aspersum (O.F. Müller, 1774) - (HELICIDAE)
- conoidea, Poeniella conoidea H.A. Pilsbry, 1933 - (HELICINIDAE)
- conoidea, Peringia conoidea (A. von Koenen, 1883 †) - (HYDROBIIDAE) (FOSSIL)
- conoidea, Belgrandia conoidea (P. de Reyniés, 1844) - (HYDROBIIDAE)
- conoidea, Alaba conoidea W.H. Dall, 1890 - syn of: Caelatura rustica (R.B. Watson, 1886) - (LITIOPIDAE)
- conoidea, Lophospira conoidea Ulrich & Scofield, 1897 † - (LOPHOSPIRIDAE) (FOSSIL)
- conoidea, Notoacmea conoidea (J.R.C. Quoy & J.P. Gaimard, 1834) - (LOTTIIDAE)
- conoidea, Curtitoma conoidea (G.O. Sars, 1878) - (MANGELIIDAE)
- conoidea, Curtitoma conoidea H.B.S. Friele, 1886 - syn of: Curtitoma decussata (J.P.Y. Couthouy, 1839) - (MANGELIIDAE)
- conoidea, Jurilda conoidea (J. Gründel, 1997 †) - (MATHILDIDAE) (FOSSIL)
- conoidea, Melanopsis conoidea Panã, 2003 † - (MELANOPSIDAE) (FOSSIL)
- conoidea, Pyrula conoidea Seeley MS † - (MELONGENIDAE) (FOSSIL)
- conoidea, Pterygia conoidea P.F. Röding, 1798 - syn of: Pterygia conus (J.F. Gmelin, 1791) - (MITRIDAE)
- conoidea, Nerinella conoidea Hudleston † - (NERINELLIDAE) (FOSSIL)
- conoidea, Cryptonerita conoidea Böhm, 1895 † - (NERITIDAE) (FOSSIL)
- conoidea, Orthonychia conoidea G.A. Goldfuss, 1844 † - (ORTHONYCHIIDAE) (FOSSIL)
- conoidea, Phasianella conoidea Hudleston † - (PHASIANELLIDAE) (FOSSIL)
- conoidea, Physa conoidea P.H. Fischer & J.C.H. Crosse, 1886 - (PHYSIDAE)
- conoidea, Conotomaria conoidea L.R. Cox, 1960 † - (PLEUROTOMARIIDAE) (FOSSIL)
- conoidea, Cyclotopsis conoidea (L. Pfeiffer, 1847) - (POMATIIDAE)
- conoidea, Rhabdoconcha conoidea E.A.L. Kittl, 1894 † - syn of: Coelostylina conica (Münster, 1841 †) - (PSEUDOMELANIIDAE) (FOSSIL)
- conoidea, Megastomia conoidea (G.B. Brocchi, 1814) - (PYRAMIDELLIDAE)
- conoidea, Pyramidula rupestris conoidea (J.R. Bourguignat, 1880) - (PYRAMIDULIDAE)
- conoidea, Cingula conoidea C.F.F. von Krauss, 1852 † - syn of: Ctyrokya conoidea (C.F.F. von Krauss, 1852 †) - (RISSOIDAE) (FOSSIL)
- conoidea, Ctyrokya conoidea (C.F.F. von Krauss, 1852 †) - (RISSOOIDEA (UNASSIGNED)) (FOSSIL)
- conoidea, Halystina conoidea Helwerda, Wesselingh & S.T. Williams, 2014 † - (SEGUENZIIDAE) (FOSSIL)
- conoidea, Oligomeria conoidea Y.I. Galkin & A.N. Golikov, 1985 - (SEGUENZIIDAE)
- conoidea, Lissotesta conoidea A.W.B. Powell, 1937 - (SEGUENZIOIDEA (UNASSIGNED))
- conoidea, Curvella conoidea (E.C. Von Martens, 1892) - (SUBULINIDAE)
- conoidea, Turritella conoidea Sowerby, 1814 † - (TURRITELLIDAE) (FOSSIL)
- conoidea, Bothriopupa conoidea (L. Pfeiffer, 1853) - (VERTIGINIDAE)
- conoidea, Oligolimax conoidea E.C. Von Martens, 1874 - syn of: Phenacolimax annularis (S.E. Studer, 1820) - (VITRINIDAE)
- conoidea, Paludina conoidea Hislop, 1859 † - (VIVIPARIDAE) (FOSSIL)
- conoidea, Voluta conoidea R. Tate, 1889 † - syn of: Volutoconus ralphi Finlay, 1930 † - (VOLUTIDAE) (FOSSIL)
- CONOIDEA (UNASSIGNED) - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-CONOIDEA [Superfamily]) (FOSSIL)
- conoidea acutidens, Odostomia conoidea acutidens W.H. Dall, 1884 - syn of: Odostomia acutidens W.H. Dall, 1884 - (PYRAMIDELLIDAE)
- conoidea australis, Odostomia conoidea australis J.G. Jeffreys, 1867 - syn of: Megastomia conoidea (G.B. Brocchi, 1814) - (PYRAMIDELLIDAE)
- conoidea occidentalis, Cochlicella conoidea occidentalis P.M. Pallary, 1897 - (COCHLICELLIDAE)
- conoides, Nesonoica conoides C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- conoides, Genota conoides D.C. Solander † - syn of: Domenginella conoides (D.C. Solander †) - (BORSONIIDAE) (FOSSIL)
- conoides, Asthenotoma conoides D.C. Solander † - syn of: Domenginella conoides (D.C. Solander †) - (BORSONIIDAE) (FOSSIL)
- conoides, Domenginella conoides (D.C. Solander †) - (CLATHURELLIDAE) (FOSSIL)
- conoides, Spiroscala conoides (F.B. Meek & A.H. Worthen, 1867 †) - (GOSSELETINIDAE) (FOSSIL)
- conoides, Hipponix conoides Abbass, 1967 † - (HIPPONICIDAE) (FOSSIL)
- conoides, Acroteuthis conoides Swinnerton † - (PASSALOTEUTHIDIDAE) (FOSSIL)
- conoides, Martesia conoides J. Parsons, 1765 - syn of: Martesia striata (C. Linnaeus, 1758) - (PHOLADIDAE)
- conoides, Orthaulax conoides W.P. Woodring, 1923 † - (STROMBIDAE) (FOSSIL)
- conoides, Trochomorpha conoides H.B. Baker, 1941 - (TROCHOMORPHIDAE)
- conoides, Pleurotoma conoides D.C. Solander † - syn of: Domenginella conoides (D.C. Solander †) - (TURRIDAE) (FOSSIL)
- conoideum, Buccinum conoideum G.O. Sars, 1878 - (BUCCINIDAE)
- conoideum, Orthonychia conoideum (Barrois, 1889 †) - (ORTHONYCHIIDAE) (FOSSIL)
- conoideum, Platyceras conoideum Barrois, 1889 † - syn of: Orthonychia conoideum (Barrois, 1889 †) - (PLATYCERATIDAE) (FOSSIL)
- conoideum, Scoliostomina conoideum (C.L.F. von Sandberger & C.L.F. von Sandberger, 1854 †) - (SCOLIOSTOMATIDAE) (FOSSIL)
- conoideus, Austrofusus conoideus (C.A. von Zittel, 1865 †) - (BUCCINIDAE) (FOSSIL)
- conoideus, Progalerus conoideus Holzapfel, 1895 † - (CLISOSPIRIDAE) (FOSSIL)
- conoideus, Pyrgophorus conoideus (C.M.F. Ancey, 1888) - (COCHLIOPIDAE)
- conoideus, Discosorus conoideus J.W. Hall, 1852 † - (DISCOSORIDAE) (FOSSIL)
- conoideus, Discosorus conoideus Foord, 1888 † - syn of: Discosorus ehlersi Foerste, 1924 † - (DISCOSORIDAE) (FOSSIL)
- conoideus, Pygmaeoconus conoideus (E.F.R.K. Koken & J. Perner, 1925 †) - (HYPSELOCONIDAE) (FOSSIL)
- conoideus, Acrocoelites conoideus (Oppel, 1856 †) - (MEGATEUTHIDIDAE) (FOSSIL)
- conoideus, Dicosmos conoideus E.A.L. Kittl, 1894 † - (NATICOPSIDAE) (FOSSIL)
- conoideus, Babylonites conoideus (Girty, 1908 †) - (OMPHALOTROCHIDAE) (FOSSIL)
- conoideus, Turbo conoideus G.B. Brocchi, 1814 - syn of: Megastomia conoidea (G.B. Brocchi, 1814) - (TURBINIDAE)
- conoideus, Viviparus conoideus (Mangikian, 1931 †) - (VIVIPARIDAE) (FOSSIL)
- conoidius, Pseudobuliminus conoidius P.M. Heude, 1890 - (BRADYBAENIDAE)
- conoispira, Serrata coloba conoispira J. Gardner, 1937 † - (MARGINELLIDAE) (FOSSIL)
- conolatum, Apotocardium conolatum (R.M. Branson, 1942 †) - (BRANSONIIDAE) (FOSSIL)
- conoligustica, Conus subtextile conoligustica F. Sacco, 1893 † - (CONIDAE) (FOSSIL)
- Conolithes, Subgenus Conus (Conolithes) W.J. Swainson, 1840 (CONIDAE) (FOSSIL)
- Conolithus, syn of: Subgenus Conus (Conolithes) W.J. Swainson, 1840 (CONIDAE) (FOSSIL)
- Conollya, Genus Conollya N.H. Odhner, 1932 (FERUSSACIIDAE)
- conoma, Turbonilla conoma P. Bartsch, 1927 - (PYRAMIDELLIDAE)
- Conominolia, Genus Conominolia Finlay, 1926 (TROCHIDAE) (FOSSIL)
- conominolium, Antisolarium conominolium C.R. Laws, 1936 † - (TROCHIDAE) (FOSSIL)
- Conomitra, Genus Conomitra T.A. Conrad, 1865 (VOLUTOMITRIDAE)
- Conomodulus, Genus Conomodulus Landau, Vermeij & Reich, 2014 (MODULIDAE) (FOSSIL)
- conomorpha, Hologyra conomorpha E.A.L. Kittl, 1894 † - (NATICOPSIDAE) (FOSSIL)
- conomorpha, Neritaria conomorpha E.A.L. Kittl, 1894 † - syn of: Hologyra cassiana (Wissmann, 1841 †) - (NERITARIIDAE) (FOSSIL)
- conomphala, Plectotropis conomphala H.A. Pilsbry & Y. Hirase, 1903 - (BRADYBAENIDAE)
- Conomurex, Genus Conomurex P. Fischer, 1884 ex Bayle MS (STROMBIDAE)
- conopeus, Allodiscus conopeus B.A. Marshall & G.M. Barker, 2008 - (CHAROPIDAE)
- Conophora, syn of: Genus Athoracophorus A. Gould, 1852 (ATHORACOPHORIDAE)
- conopia, Seguenzia conopia B.A. Marshall, 1983 - (SEGUENZIIDAE)
- Conopleura, Genus Conopleura R.B. Hinds, 1884 (DRILLIIDAE)
- conoponderosus, Chelyconus conoponderosus Sacco, 1893 † - (CONIDAE) (FOSSIL)
- conopsis, Helicopsis conopsis M.T. Aparicio & M. Seddon, 1991 - (HYGROMIIDAE)
- Conorbela, Genus Conorbela A. Powell, 1951 (PSEUDOMELATOMIDAE)
- CONORBIDAE de Gregorio, 1890 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-CONOIDEA [Superfamily])
- conorbioides, Benthofascis conorbioides J.K. Tucker, M.J. Tenorio & P. Stahlschmidt, 2011 - (CONORBIDAE)
- Conorbis, Genus Conorbis Swainson, 1840 (CONORBIDAE) (FOSSIL)
- conorchidus, Kalidos conorchidus K.C. Emberton, 2007 - (ARIOPHANTIDAE)
- Conorhytis, Genus Conorhytis Cossmann, 1907 (ACMAEIDAE) (FOSSIL)
- conosimilis, Opacuincola conosimilis M. Haase, 2008 - (TATEIDAE)
- conosiphonatum, Barnesoceras conosiphonatum Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- conospira, Trishoplita conospira (L. Pfeiffer, 1851) - (BRADYBAENIDAE)
- Conospira, syn of: Subgenus Conus (Conolithes) W.J. Swainson, 1840 (CONIDAE) (FOSSIL)
- conospira, Trichia conospira W.A. Lindholm, 1927 - syn of: Leucozonella caryodes (C.A. Westerlund, 1896) - (HYGROMIIDAE)
- conospira, Conogulella conospira (E.C. Von Martens, 1892) - (STREPTAXIDAE)
- Conospirus, syn of: Subgenus Conus (Conolithes) W.J. Swainson, 1840 (CONIDAE) (FOSSIL)
- Conostichoceras, Genus Conostichoceras Foerste, 1926 (NOTHOCERATIDAE) (FOSSIL)
- Conotalopia, Genus Conotalopia T. Iredale, 1929 (TROCHIDAE)
- Conoteuthis, Genus Conoteuthis D'Orbigny, 1842 (BELEMNITIDA (UNASSIGNED)) (FOSSIL)
- Conothais, syn of: Genus Pinaxia H. Adams & A. Adams, 1853 (MURICIDAE)
- Conotheca, Genus Conotheca Rozanov & al., 1969 (CIRCOTHECIDAE) (FOSSIL)
- Conotoma, Genus Conotoma Perner , 1907 (GOSSELETINIDAE) (FOSSIL)
- Conotomaria, Genus Conotomaria Cox, 1959 (PLEUROTOMARIIDAE) (FOSSIL)
- Conotrochus, syn of: Genus Perneritrochus Cossmann, 1909 (PLANITROCHIDAE) (FOSSIL)
- conotruncus, Conus conotruncus A. De Gregorio, 1880 † - (CONIDAE) (FOSSIL)
- Conovolus, syn of: Genus Melampus P.D. Montfort, 1810 (ELLOBIIDAE)
- conovula, Pseudamnicola conovula (G.R. von Frauenfeld, 1863) - (HYDROBIIDAE)
- conovula, Imbricaria conovula (J.R.C. Quoy & J.P. Gaimard, 1833) - (MITRIDAE)
- conovuliformis, Liocarenus conovuliformis (G.P. Deshayes, 1824 †) - (ACTEONIDAE) (FOSSIL)
- conovuliformis, Hemiauricula conovuliformis G.P. Deshayes, 1824 † - syn of: Liocarenus conovuliformis (G.P. Deshayes, 1824 †) - (ACTEONIDAE) (FOSSIL)
- Conovulum, syn of: Genus Melampus P.D. Montfort, 1810 (ELLOBIIDAE)
- Conovulus, syn of: Genus Melampus P.D. Montfort, 1810 (ELLOBIIDAE)
- conoyensis, Ecphora conoyensis E.J. Petuch, 2004 † - (MURICIDAE) (FOSSIL)
- conquisita, Liratilia conquisita (H.H. Suter, 1907) - (COLUMBELLIDAE)
- conquisita, Fusimitra conquisita (T.A. Conrad, 1848 †) - (MITRIDAE) (FOSSIL)
- conquisita, Daphnella conquisita H.H. Suter, 1907 - syn of: Liratilia conquisita (H.H. Suter, 1907) - (RAPHITOMIDAE)
- conquisita angulata, Liratilia conquisita angulata (H.H. Suter, 1908) - syn of: Liratilia angulata (H.H. Suter, 1908) - (COLUMBELLIDAE)
- conquisita chathamensis, Liratilia conquisita chathamensis R.K. Dell, 1956 - (COLUMBELLIDAE)
- conquisita gracilis, Zemitrella conquisita gracilis A.W.B. Powell, 1940 - syn of: Zemitrella contigua A.W.B. Powell, 1940 - (COLUMBELLIDAE)
- conquistadorana, Turritella conquistadorana G.D. Hanna & Israelsky, 1925 † - (TURRITELLIDAE) (FOSSIL)
- conradana, Lophospira conradana Ulrich & Scofield, 1897 † - syn of: Lophospira ventricosa (J.W. Hall, 1847 †) - (LOPHOSPIRIDAE) (FOSSIL)
- Conradconfusus, Genus Conradconfusus Snyder, 2002 (FASCIOLARIIDAE) (FOSSIL)
- Conradella, syn of: Genus Phragmolites Conrad, 1838 (BUCANIIDAE) (FOSSIL)
- conradi, Belemnites conradi Kilian, 1889 † - syn of: Hibolithes conradi (Kilian, 1889 †) - (BELEMNITELLIDAE) (FOSSIL)
- conradi, Bucanella conradi (J.W. Hall, 1862 †) - (BUCANELLIDAE) (FOSSIL)
- conradi, Buccinopsis conradi (J. Hill, 1888 †) - (BUCCINIDAE) (FOSSIL)
- conradi, Busycotypus conradi (M. Tuomey & Holmes, 1856 †) - (BUSYCONIDAE) (FOSSIL)
- conradi, Calliostoma conradi Gardner, 1948 † - (CALLIOSTOMATIDAE) (FOSSIL)
- conradi, Calyptraea conradi McNeil, 1984 † - (CALYPTRAEIDAE) (FOSSIL)
- conradi, Carditamera conradi R.J. Shuttleworth, 1856 - syn of: Cardites floridanus (T.A. Conrad, 1838) - (CARDITIDAE)
- conradi, Caryocorbula conradi Gardner, 1944 † - (CORBULIDAE) (FOSSIL)
- conradi, Donax conradi L.A. Reeve, 1854 - syn of: Donax culter S.C.T. Hanley, 1845 - (DONACIDAE)
- conradi, Sulcocypraea conradi T.H. Aldrich, 1923 † - syn of: Sulcocypraea healeyi (T.H. Aldrich, 1923 †) - (EOCYPRAEIDAE) (FOSSIL)
- conradi, Euomphalus conradi J.W. Hall, 1861 † - (EUOMPHALIDAE) (FOSSIL)
- conradi, Cadulus conradi H.A. Pilsbry & A. Harbison, 1933 † - (GADILIDAE) (FOSSIL)
- conradi, Glossus conradi W.M. Gabb, 1860 † - (GLOSSIDAE) (FOSSIL)
- conradi, Glycymeris conradi R.P. Whitfield, 1885 † - (GLYCYMERIDIDAE) (FOSSIL)
- conradi, Glycymeris conradi W.H. Dall, 1909 - syn of: Glycymeris septentrionalis (A.T. von Middendorff, 1849) - (GLYCYMERIDIDAE)
- conradi, Conradoceras conradi (Barrande, 1865 †) - (HEMIPHRAGMOCERATIDAE) (FOSSIL)
- conradi, Hibolithes conradi (Kilian, 1889 †) - (MESOHIBOLITHIDAE) (FOSSIL)
- conradi, Murchisonia conradi J.W. Hall, 1868 † - (MURCHISONIIDAE) (FOSSIL)
- conradi, Pterorytis conradi W.H. Dall, 1890 † - (MURICIDAE) (FOSSIL)
- conradi, Natica conradi J. Hill, 1888 † - syn of: Buccinopsis conradi (J. Hill, 1888 †) - (NATICIDAE) (FOSSIL)
- conradi, Cirroceras conradi (Morton, 1841 †) - (NOSTOCERATIDAE) (FOSSIL)
- conradi, Truncacila conradi (F.B. Meek †) - (NUCULIDAE) (FOSSIL)
- conradi, Penitella conradi A. Valenciennes, 1846 - (PHOLADIDAE)
- conradi, Pholadomya conradi Gardner, 1860 † - (PHOLADOMYIDAE) (FOSSIL)
- conradi, Phragmoceras conradi Barrande, 1865 † - syn of: Conradoceras conradi (Barrande, 1865 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- conradi, Turbonilla conradi K.J. Bush, 1899 - (PYRAMIDELLIDAE)
- conradi, Discoscaphites conradi (Morton, 1834 †) - (SCAPHITIDAE) (FOSSIL)
- conradi, Plectosolen conradi W.H. Dall, 1900 † - (SOLENIDAE) (FOSSIL)
- conradi, Subulites conradi Ulrich & Scofield, 1897 † - (SUBULITIDAE) (FOSSIL)
- conradi, Macoma virginiana conradi W.H. Dall, 1900 - (TELLINIDAE)
- conradi, Thracia conradi J.P.Y. Couthouy, 1839 - (THRACIIDAE)
- conradi, Pleuronaia dolabelloides conradi E.G. Vanatta - (UNIONIDAE)
- conradi, Pitar conradi R.E. Dickerson, 1916 † - (VENERIDAE) (FOSSIL)
- conradi, Cytheriopsis conradi Clark & J.W. Durham, 1946 † - (VENERIDAE) (FOSSIL)
- conradi, Venus conradi A. Römer, 1867 - syn of: Leukoma staminea (T.A. Conrad, 1837) - (VENERIDAE)
- conradi, Veniella conradi (Morton, 1833 †) - (VENIELLIDAE) (FOSSIL)
- conradi, Viviparus conradi F.B. Meek & Hayden, 1857 † - (VIVIPARIDAE) (FOSSIL)
- conradi, Lapparia conradi K.V.W. Palmer, 1953 † - (VOLUTIDAE) (FOSSIL)
- Conradia, Genus Conradia A. Adams, 1863 (CROSSEOLIDAE)
- conradia, Cyclostremella conradia P. Bartsch, 1920 - (PYRAMIDELLIDAE)
- conradiana, Cancellaria conradiana W.H. Dall, 1890 - syn of: Cancellaria reticulata (C. Linnaeus, 1767) - (CANCELLARIIDAE)
- conradiana, Pleuromeris conradiana W.M. Gabb, 1881 † - (CARDITIDAE) (FOSSIL)
- conradiana, Crockerella conradiana (W.M. Gabb, 1869) - (CLATHURELLIDAE)
- conradiana, Natica conradiana W.M. Gabb, 1864 † - (NATICIDAE) (FOSSIL)
- conradiana, Arcopsis adamsi conradiana W.H. Dall, 1902 - (NOETIIDAE)
- conradiana, Sassia conradiana (T.H. Aldrich, 1885 †) - (RANELLIDAE) (FOSSIL)
- conradiana, Costacallista conradiana (W.M. Gabb, 1864 †) - (VENERIDAE) (FOSSIL)
- conradiana, Transennella conradiana W.H. Dall, 1884 - syn of: Transennella conradina W.H. Dall, 1884 - (VENERIDAE)
- conradiana limonensis, Pleuromeris conradiana limonensis A.A. Olsson, 1922 † - (CARDITIDAE) (FOSSIL)
- conradianus, Mytilus conradianus W.C. Mansfield, 1932 † - (MYTILIDAE) (FOSSIL)
- conradianus, Rhizorus conradianus † - (RHIZORIDAE) (FOSSIL)
- conradicus, Medionidus conradicus (I. Lea, 1838) - (UNIONIDAE)
- Conradilla, syn of: Genus Lemiox C.S. Rafinesque, 1831 (UNIONIDAE)
- conradina, Transennella conradina W.H. Dall, 1884 - (VENERIDAE)
- conradinus, Mytilus conradinus d'Orbigny, 1852 † - (MYTILIDAE) (FOSSIL)
- Conradoceras, Genus Conradoceras Foerste, 1926 (HEMIPHRAGMOCERATIDAE) (FOSSIL)
- conradoi, Ucumaris conradoi Sanchez & N.E. Vaccari, 2003 † - (UCUMARIIDAE) (FOSSIL)
- Conradostrea, Genus Conradostrea Ward & Blackwelder, 1987 (OSTREIDAE) (FOSSIL)
- conradti, Halolimnohelix conradti E.C. Von Martens - (HALOLIMNOHELICIDAE)
- conradti, Gulella conradti B. Verdcourt, 1956 - (STREPTAXIDAE)
- conradti, Pseudoglessula conradti E.C. Von Martens - (SUBULINIDAE)
- conradti, Trichotoxon conradti H.R. Simroth, 1894 - (UROCYCLIDAE)
- consagensis, Fusinus consagensis L.H. Poorman, 1981 - syn of: Fusinus fredbakeri H.N. Lowe, 1935 - (FASCIOLARIIDAE)
- consanguinea, Ampelita consanguinea A.E.J. Férussac, 1851 - (ACAVIDAE)
- consanguinea, Achatinella consanguinea E.A. Smith - syn of: Achatinellastrum vulpina colorata (L.A. Reeve, 1850) - (ACHATINELLIDAE)
- consanguinea, Columbella consanguinea G.B. III Sowerby, 1897 - syn of: Decipifus consanguineus (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- consanguinea, Palmadusta androyensis consanguinea M. Blöcher & F.Jr. Lorenz, 1999 - (CYPRAEIDAE)
- consanguinea, Corbicula consanguinea T. Prime, 1867 - syn of: Corbicula striatella G.P. Deshayes, 1854 - (CYRENIDAE)
- consanguinea, Helix consanguinea C.B. Adams, 1851 - syn of: Pleurodonte candescens C.B. Adams, 1850 - (HELICIDAE)
- consanguinea, Alcadia consanguinea (C.B. Adams, 1850) - (HELICINIDAE)
- consanguinea, Lasaea consanguinea (E.A. Smith, 1879) - (LASAEIDAE)
- consanguinea, Limatulina consanguinea C. Gemmellaro, 1896 † - (LIMATULINIDAE) (FOSSIL)
- consanguinea, Mitra consanguinea L.A. Reeve, 1845 - syn of: Vexillum consanguineum (L.A. Reeve, 1845) - (MITRIDAE)
- consanguinea, Morula consanguinea (E.A. Smith, 1890) - (MURICIDAE)
- consanguinea, Delphinella consanguinea (O. von Retowski, 1893 †) - (NEOCOMITIDAE) (FOSSIL)
- consanguinea, Tropidophora tricarinata consanguinea (G.B. Sowerby, 1874) - (POMATIIDAE)
- consanguinea, Turbonilla consanguinea (E.A. Smith, 1891) - (PYRAMIDELLIDAE)
- consanguinea, Tellina consanguinea G.B. Sowerby, 1903 - (TELLINIDAE)
- consanguinea, Sagracoptis consanguinea (R. Arango, 1882) - (UROCOPTIDAE)
- consanguinea, Periglypta consanguinea C.B. Adams, 1852 - syn of: Pitar consanguineus (C.B. Adams, 1852) - (VENERIDAE)
- consanguinea carinata, Helix consanguinea carinata C.B. Adams, 1851 - syn of: Pleurodonte candescens C.B. Adams, 1850 - (HELICIDAE)
- consanguinea imperforata, Helix consanguinea imperforata C.B. Adams, 1851 - syn of: Pleurodonte candescens C.B. Adams, 1850 - (HELICIDAE)
- consanguinea vespertilio, Palmadusta consanguinea vespertilio L. Bozzetti, 2014 - syn of: Palmadusta androyensis consanguinea vespertilio L. Bozzetti, 2014 - (CYPRAEIDAE)
- consanguinea vespertilio, Palmadusta androyensis consanguinea vespertilio L. Bozzetti, 2014 - (CYPRAEIDAE)
- consanguineum, Catastroboceras consanguineum Shimanskiy, 1967 † - (AKTUBONAUTILIDAE) (FOSSIL)
- consanguineum, Vexillum consanguineum (L.A. Reeve, 1845) - (COSTELLARIIDAE)
- consanguineum, Pisidium consanguineum T. Prime, 1865 - (SPHAERIIDAE)
- consanguineus, Cantharus consanguineus E.A. Smith, 1890 - syn of: Morula consanguinea (E.A. Smith, 1890) - (BUCCINIDAE)
- consanguineus, Decipifus consanguineus (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- consanguineus, Columbites consanguineus Smith, 1932 † - syn of: Columbites parisianus A. Hyatt & Smith, 1905 † - (COLUMBITIDAE) (FOSSIL)
- consanguineus, Conus consanguineus E.A. Smith, 1880 - syn of: Pyruconus fergusoni (G.B. III Sowerby, 1873) - (CONIDAE)
- consanguineus, Plesiocystiscus consanguineus (E.A. Smith, 1890) - (CYSTISCIDAE)
- consanguineus, Unio consanguineus A. De Gregorio, 1914 - syn of: Pleurobema clava J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- consanguineus, Pitar consanguineus (C.B. Adams, 1852) - (VENERIDAE)
- consanguineus elenensis, Pitar consanguineus elenensis A.A. Olsson, 1961 - (VENERIDAE)
- consanguineus langleyi, Decipifus consanguineus langleyi (G.B. III Sowerby, 1897) - (COLUMBELLIDAE)
- consanguineus sculpturatus, Decipifus consanguineus sculpturatus (W.H. Turton, 1932) - (COLUMBELLIDAE)
- consanguineus whitechurchii, Decipifus consanguineus whitechurchii (W.H. Turton, 1932) - (COLUMBELLIDAE)
- conscendens, Posorites conscendens (J.C. Cox, 1866) - (CAMAENIDAE)
- conscendens, Helix conscendens J.C. Cox, 1866 - syn of: Posorites conscendens (J.C. Cox, 1866) - (HELICIDAE)
- consecoanus, Napaeus consecoanus (A. Mousson, 1872) - (ENIDAE)
- consensa, Alectrion consensa E. Ravenel, 1861 - syn of: Nassarius consensus E. Ravenel, 1861 - (NASSARIIDAE)
- consensa, Nassa consensa E. Ravenel, 1861 - syn of: Nassarius consensus E. Ravenel, 1861 - (NASSARIIDAE)
- consensa harveyensis, Alectrion consensa harveyensis W.C. Mansfield, 1930 - syn of: Nassarius consensus E. Ravenel, 1861 - (NASSARIIDAE)
- consensa leonensis, Alectrion consensa leonensis W.C. Mansfield, 1930 - syn of: Nassarius consensus E. Ravenel, 1861 - (NASSARIIDAE)
- consensus, Nassarius consensus E. Ravenel, 1861 - (NASSARIIDAE)
- consentanea, Delima binotata consentanea (A. Schmidt, 1868) - (CLAUSILIIDAE)
- consentanea, Chondrula consentanea (C.A. Westerlund, 1887) - (ENIDAE)
- consentanea, Saccharoturris consentanea (R.J.L. Guppy, 1896 †) - (MANGELIIDAE) (FOSSIL)
- consentanea, Nucula consentanea J.C. Melvill & R. Standen, 1907 - (NUCULIDAE)
- consentaneus, Unio consentaneus E.A. Rossmässler, 1836 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- consentaneus legitimus, Unio consentaneus legitimus E.A. Rossmässler, 1838 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- consentaneus minor, Unio consentaneus minor E.A. Rossmässler, 1838 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- consentaneus moquini, Unio consentaneus moquini J. Germain, 1931 - syn of: Unio mancus J.B.P.A. Lamarck, 1819 - (UNIONIDAE)
- consentaneus pulcher, Unio consentaneus pulcher E.A. Rossmässler, 1838 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- consepta, Macrochlamys consepta (W.H. Benson) - (ARIOPHANTIDAE)
- consepultum, Auriptygma consepultum J. Perner, 1903 † - syn of: Auriptygma fortior J. Perner, 1903 † - (MEEKOSPIRIDAE) (FOSSIL)
- consepultum, Cyclonema consepultum J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- consequens, Aoteadrillia consequens (C.R. Laws, 1936 †) - (HORAICLAVIDAE) (FOSSIL)
- consequens, Uralyroceras consequens (Ruzhentsev & Bogoslovskaya, 1971 †) - (NEOGLYPHIOCERATIDAE) (FOSSIL)
- consetti, Colus consetti T. Iredale, 1929 - syn of: Fusinus consetti (T. Iredale, 1929) - (BUCCINIDAE)
- consetti, Fusinus consetti (T. Iredale, 1929) - (FASCIOLARIIDAE)
- consetti, Stimulator consetti T. Iredale, 1944 - (PLANORBIDAE)
- consettiana, Epicodakia consettiana T. Iredale, 1930 - (LUCINIDAE)
- considerata, Coelocaulus considerata J. Perner, 1907 † - syn of: Coelocaulus cybele J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- considerata, Parthenina considerata Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- consigliana, Ambigua fuscolabiata consigliana (W. Kobelt, 1904) - (HELICIDAE)
- consimile, Calliostoma consimile (E.A. Smith, 1881) - (CALLIOSTOMATIDAE)
- consimile, Dactylioceras consimile Buckman, 1926 † - (DACTYLIOCERATIDAE) (FOSSIL)
- consimilis, Fernandezia consimilis (L.A. Reeve, 1849) - (ACHATINELLIDAE)
- consimilis, Astartella consimilis Reed, 1944 † - (ASTARTIDAE) (FOSSIL)
- consimilis, Sphenosphaera consimilis (Savage, 1913 †) - (BELLEROPHONTIDAE) (FOSSIL)
- consimilis, Clavatula consimilis E.A. Smith, 1879 - syn of: Paradrillia consimilis (E.A. Smith, 1879) - (CLAVATULIDAE)
- consimilis, Cuspidaria nobilis consimilis T. Habe, 1961 - (CUSPIDARIIDAE)
- consimilis, Naticopsis consimilis de Koninck, 1881 † - (DELPHINULOPSIDAE) (FOSSIL)
- consimilis, Mautodontha consimilis (W.H. Pease, 1868) - (ENDODONTIDAE)
- consimilis, Granulifusus consimilis T.A. Garrard, 1966 - (FASCIOLARIIDAE)
- consimilis, Fusus consimilis J.T. Marshall, 1902 - syn of: Colus jeffreysianus (P. Fischer, 1868) - (FASCIOLARIIDAE)
- consimilis, Paradrillia consimilis (E.A. Smith, 1879) - (HORAICLAVIDAE)
- consimilis, Leptochiton consimilis J.D. Sigwart & B.I. Sirenko, 2012 - (LEPTOCHITONIDAE)
- consimilis, Thaumastus consimilis (L.A. Reeve, 1848) - (MEGASPIRIDAE)
- consimilis, Melanopsis vindobonensis consimilis Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- consimilis, Modiolopsis consimilis Ulrich, 1894 † - (MODIOMORPHIDAE) (FOSSIL)
- consimilis, Orthodesma canaliculatum consimilis Foerste, 1924 † - (MODIOMORPHIDAE) (FOSSIL)
- consimilis, Peridactylites consimilis Buckman, 1926 † - syn of: Dactylioceras consimile Buckman, 1926 † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- consimilis, Tectonatica consimilis E. Robba, Pedriali & E. Quaggiotto, 2016 † - (NATICIDAE) (FOSSIL)
- consimilis, Polinices consimilis H.F.A. von Ihering, 1907 † - (NATICIDAE) (FOSSIL)
- consimilis, Neritilia consimilis E.C. Von Martens, 1879 - syn of: Neritilia rubida (W.H. Pease, 1865) - (NERITILIIDAE)
- consimilis, Phanerotrema consimilis J. Perner, 1907 † - (PHANEROTREMATIDAE) (FOSSIL)
- consimilis, Philine consimilis T. Habe, 1960 - (PHILINIDAE)
- consimilis, Aviculopinna consimilis (Walcott) † - (PINNIDAE) (FOSSIL)
- consimilis, Leiopteria consimilis C. Gemmellaro, 1896 † - (PTERINEIDAE) (FOSSIL)
- consimilis, Pyrgulina consimilis (A. Adams, 1861) - (PYRAMIDELLIDAE)
- consimilis, Pusillina consimilis T.A. de M. Monterosato, 1890 - (RISSOIDAE)
- consimilis, Solecurtus consimilis J.T. Kuroda & T. Habe in T. Habe, 1961 - (SOLECURTIDAE)
- consimilis, Pleurotoma consimilis E.A. Smith, 1879 - syn of: Paradrillia consimilis (E.A. Smith, 1879) - (TURRIDAE)
- consimilis, Gongylostoma consimilis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- consimilis nivalioides, Paradrillia consimilis nivalioides (M. Yokoyama, 1920 †) - (HORAICLAVIDAE) (FOSSIL)
- consobrina, Austrorissopsis consobrina (R. Tate & W.L. May, 1900) - (ACLIDIDAE)
- consobrina, Architectonica consobrina R. Bieler, 1993 - (ARCHITECTONICIDAE)
- consobrina, Microcystina consobrina W.S.S. Van Benthem-Jutting, 1959 - (ARIOPHANTIDAE)
- consobrina, Astarte consobrina Chapuis & G.J.G. Dewalque, 1853 † - (ASTARTIDAE) (FOSSIL)
- consobrina, Cominella nassoides consobrina A.W.B. Powell, 1933 - (BUCCINIDAE)
- consobrina, Nothoadmete consobrina (A.W.B. Powell, 1951) - (CANCELLARIIDAE)
- consobrina, Icuncula consobrina (W.L. May, 1915) - (CAPULIDAE)
- consobrina, Megacardita jouanneti consobrina A.E.M. Cossmann & M.A. Peyrot, 1912 † - (CARDITIDAE) (FOSSIL)
- consobrina, Turricula consobrina L.M.D. Bellardi, 1877 † - (CLAVATULIDAE) (FOSSIL)
- consobrina, Crossea consobrina W.L. May, 1916 - syn of: Crosseola concinna (G.F. Angas, 1867) - (CROSSEOLIDAE)
- consobrina, Cylichna consobrina A.A. Gould, 1859 - syn of: Cylichna alba (J. Brown, 1827) - (CYLICHNIDAE)
- consobrina, Staphylaea consobrina G.S. Coen, 1949 - syn of: Staphylaea staphylaea (C. Linnaeus, 1758) - (CYPRAEIDAE)
- consobrina, Staphylaea staphylaea consobrina (A. Garrett, 1879) - (CYPRAEIDAE)
- consobrina, Corbicula consobrina (F. Cailliaud, 1827) - (CYRENIDAE)
- consobrina, Corbicula consobrina Adams & Adams, 1857 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- consobrina, Naticopsis consobrina J. Perner, 1903 † - (DELPHINULOPSIDAE) (FOSSIL)
- consobrina, Mautodontha consobrina (A. Garrett, 1884) - (ENDODONTIDAE)
- consobrina, Hemicycla consobrina (A.E.J. Férussac, 1821) - (HELICIDAE)
- consobrina, Helix consobrina A.E.J. Férussac, 1821 - syn of: Hemicycla consobrina (A.E.J. Férussac, 1821) - (HELICIDAE)
- consobrina, Limatula consobrina d'Orbigny, 1845 † - (LIMIDAE) (FOSSIL)
- consobrina, Pterolucina consobrina (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- consobrina, Mesoginella consobrina (W.L. May, 1911) - (MARGINELLIDAE)
- consobrina, Modiolus consobrina S.V. Wood † - (MYTILIDAE) (FOSSIL)
- consobrina, Lithophaga consobrina K.E.I. von Eichwald, 1861 † - (MYTILIDAE) (FOSSIL)
- consobrina, Euspira consobrina G.P. Deshayes, 1864 † - (NATICIDAE) (FOSSIL)
- consobrina, Vitta consobrina Eichhorst, 2016 - (NERITIDAE)
- consobrina, Nucula consobrina A. Adams & G.F. Angas, 1864 - syn of: Ennucula obliqua (J.B.P.A. Lamarck, 1819) - (NUCULIDAE)
- consobrina, Olivella consobrina C.E. Lischke, 1871 - syn of: Olivella fulgurata A. Adams & L.A. Reeve, 1850 - (OLIVELLIDAE)
- consobrina, Oliva consobrina C.E. Lischke, 1871 - syn of: Olivella fulgurata A. Adams & L.A. Reeve, 1850 - (OLIVIDAE)
- consobrina, Hiatula consobrina (L.A. Reeve, 1857) - (PSAMMOBIIDAE)
- consobrina, Psammobia consobrina G.P. Deshayes, 1857 † - (PSAMMOBIIDAE) (FOSSIL)
- consobrina, Liostomia consobrina (R. Tate & W.L. May, 1900) - (PYRAMIDELLIDAE)
- consobrina, Pyrgulina consobrina (A. Adams, 1861) - (PYRAMIDELLIDAE)
- consobrina, Powelliphanta hochstetteri consobrina (A.W.B. Powell, 1936) - (RHYTIDIDAE)
- consobrina, Lissotestella consobrina (A.W.B. Powell, 1940) - (SEGUENZIOIDEA (UNASSIGNED))
- consobrina, Brookula consobrina W.L. May, 1923 - syn of: Brookula crebresculpta (R. Tate, 1899) - (SEGUENZIOIDEA (unassigned))
- consobrina, Cirsonella consobrina A.W.B. Powell, 1930 - (SKENEIDAE)
- consobrina, Tellina consobrina (A.V.M.D. D'Orbigny, 1853) - (TELLINIDAE)
- consobrina, Scissula consobrina D'Orbigny, 1853 - syn of: Tellina consobrina (A.V.M.D. D'Orbigny, 1853) - (TELLINIDAE)
- consobrina, Terebra consobrina G.P. Deshayes, 1857 - (TEREBRIDAE)
- consobrina, Melanoides nsendweensis consobrina C. Dupuis & S. Putzeys, 1900 - (THIARIDAE)
- consobrina, Turridrupa astricta consobrina A.W.B. Powell, 1967 - (TURRIDAE)
- consobrina, Sigmesalia consobrina (G.P. Deshayes, 1861 †) - (TURRITELLIDAE) (FOSSIL)
- consobrina, Dosinia consobrina G.P. Deshayes, 1853 - syn of: Dosinia hepatica (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- consobrina, Venus consobrina G.P. Deshayes, 1853 - syn of: Venus casina C. Linnaeus, 1758 - (VENERIDAE)
- consobrina descripta, Staphylaea staphylaea consobrina descripta T. Iredale, 1935 - (CYPRAEIDAE)
- consobrina lavigeriei, Corbicula consobrina lavigeriei Germain, 1906 - syn of: Corbicula fluminalis (O.F. Müller, 1774) - (CYRENIDAE)
- consobrina modesta, Hemicycla consobrina modesta (A.E.J. Férussac, 1821) - (HELICIDAE)
- consobrina nivariae, Hemicycla consobrina nivariae (T.V. Wollaston, 1878) - (HELICIDAE)
- consobrina retrodens, Hemicycla consobrina retrodens (A. Mousson, 1872) - (HELICIDAE)
- consobrinella, Zafrona consobrinella H.A. Rehder, 1980 - syn of: Zafrona striatula (R.W. Dunker, 1871) - (COLUMBELLIDAE)
- Consobrinella, Genus Consobrinella Haas, 1953 (CYLINDROBULLINIDAE) (FOSSIL)
- consobrinoides, Cylichna consobrinoides (J.T. Kuroda & T. Habe, 1952) - (CYLICHNIDAE)
- consobrinoides, Adamnestia consobrinoides (J.T. Kuroda & T. Habe, 1952) - syn of: Cylichna consobrinoides (J.T. Kuroda & T. Habe, 1952) - (CYLICHNIDAE)
- consobrinoides, Deshayesites consobrinoides (Sinzow, 1913 †) - (DESHAYESITIDAE) (FOSSIL)
- consobrinoides, Scaphander consobrinoides J.T. Kuroda & T. Habe, 1952 - syn of: Cylichna consobrinoides (J.T. Kuroda & T. Habe, 1952) - (SCAPHANDRIDAE)
- consobrinum, Calliostoma consobrinum A.W.B. Powell, 1958 - syn of: Fautor consobrinus A.W.B. Powell, 1958 - (CALLIOSTOMATIDAE)
- consobrinum, Gomphoceras consobrinum Barrande, 1865 † - syn of: Mandaloceras consobrinum (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- consobrinum, Mandaloceras consobrinum (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- consobrinus, Placostylus ambagiosus consobrinus A.W.B. Powell, 1938 - (BOTHRIEMBRYONTIDAE)
- consobrinus, Fautor consobrinus A.W.B. Powell, 1958 - (CALLIOSTOMATIDAE)
- consobrinus, Amphidromus latestrigatus consobrinus H.C. Fulton, 1897 - (CAMAENIDAE)
- consobrinus, Rhophodon consobrinus C. Hedley, 1924 - (CHAROPIDAE)
- consobrinus, Conus consobrinus Sowerby, 1850 † - (CONIDAE) (FOSSIL)
- consobrinus, Sinuitopsis consobrinus Troedsson, 1919 † - (CYRTOLITIDAE) (FOSSIL)
- consobrinus, Deshayesites consobrinus (A.V.M.D. D'Orbigny, 1841 †) - (DESHAYESITIDAE) (FOSSIL)
- consobrinus, Karolus consobrinus (A.V.M.D. D'Orbigny, 1841) - (FERUSSACIIDAE)
- consobrinus, Equichlamys consobrinus R. Tate, 1886 - syn of: Equichlamys bifrons (J.B.P.A. Lamarck, 1819) - (PECTINIDAE)
- consobrinus, Pomatias consobrinus (Sandberger, 1872) † - (POMATIIDAE) (FOSSIL)
- consobrinus, Pyrazus consobrinus Powell & J.A. Bartrum, 1929 † - (POTAMIDIDAE) (FOSSIL)
- consobrinus, Spondylus consobrinus Deslongchamps † - (SPONDYLIDAE) (FOSSIL)
- consobrinus, Clanculus consobrinus R. Tate, 1893 - (TROCHIDAE)
- consobrinus, Lamellidens consobrinus (I. Lea, 1859) - (UNIONIDAE)
- consobrinus minutissimus, Karolus consobrinus minutissimus (R.J.L. Guppy, 1869) - (FERUSSACIIDAE)
- consobrinus primus, Karolus consobrinus primus (L. de Folin, 1870) - (FERUSSACIIDAE)
- consobrinus toroensis, Conus consobrinus toroensis A.A. Olsson, 1922 † - (CONIDAE) (FOSSIL)
- consocia, Tropidophora consocia (L. Pfeiffer, 1848) - (POMATIIDAE)
- consociale, Trophon consociale Wood, 1848 † - (MURICIDAE) (FOSSIL)
- consociata, Anadara consociata (E.A. Smith, 1885) - (ARCIDAE)
- consociata, Mabellarca consociata E.A. Smith, 1885 - syn of: Anadara consociata (E.A. Smith, 1885) - (ARCIDAE)
- consociata, Cuspidaria consociata E.A. Smith, 1885 - syn of: Cuspidaria circinata (J.G. Jeffreys, 1876) - (CUSPIDARIIDAE)
- consociata, Drillia consociata E.A. Smith, 1877 - syn of: Crassispira consociata (E.A. Smith, 1877) - (DRILLIIDAE)
- consociata, Tritia consociata (Wood, 1848 †) - (NASSARIIDAE) (FOSSIL)
- consociata, Chlamys consociata E.A. Smith, 1915 - syn of: Talochlamys dichroa (H.H. Suter, 1909) - (PECTINIDAE)
- consociata, Crassispira consociata (E.A. Smith, 1877) - (PSEUDOMELATOMIDAE)
- consociata, Macoma consociata (E.A. Smith, 1885) - (TELLINIDAE)
- consociata, Psammotreta consociata (E.A. Smith, 1885) - syn of: Macoma consociata (E.A. Smith, 1885) - (TELLINIDAE)
- consociata, Pleurotoma consociata E.A. Smith, 1877 - syn of: Crassispira consociata (E.A. Smith, 1877) - (TURRIDAE)
- consociata recordata, Crassispira consociata recordata E.R. Sykes, 1905 - syn of: Drillia recordata (E.R. Sykes, 1905) - (PSEUDOMELATOMIDAE)
- consociella, Alvania consociella T.A. de M. Monterosato, 1884 - (RISSOIDAE)
- consocium, Angeisonoceras consocium (Barrande, 1870 †) - (GEISONOCERATIDAE) (FOSSIL)
- consola, Redicirce consola T. Iredale, 1936 - syn of: Redicirce sulcata (J.E. Gray, 1838) - (VENERIDAE)
- consolans, Euryzone consolans J. Perner, 1903 † - syn of: Kobayashiconcha consolans (J. Perner, 1903 †) - (GOSSELETINIDAE) (FOSSIL)
- consolans, Kobayashiconcha consolans (J. Perner, 1903 †) - (PLEUROTOMARIOIDEA (UNASSIGNED)) (FOSSIL)
- consolationis, Islamia minuta consolationis (R. Bernasconi, 1985) - (HYDROBIIDAE)
- consolationis, Farcimen subventricosum consolationis (C. de la Torre in L.O. Alcalde, 1948) - (MEGALOMASTOMIDAE)
- consolatrix, Pomacea consolatrix (H.F.A. von Ihering, 1919) - (AMPULLARIIDAE)
- consolidata, Nebularia consolidata G.B. Sowerby, 1874 - syn of: Nebularia aurantia (J.F. Gmelin, 1791) - (MITRIDAE)
- consolidata, Cryptonatica consolidata J.P.Y. Couthouy, 1838 - syn of: Cryptonatica affinis (J.F. Gmelin, 1791) - (NATICIDAE)
- consolidata, Doryssa consolidata (J.G. Bruguière, 1792) - (PACHYCHILIDAE)
- consomile, Georgia dhofarense consomile (J.C. Melvill & J.H. Ponsonby, 1896) - (POMATIIDAE)
- consona, Monacha consona (E.A. Rossmässler, 1839) - (HYGROMIIDAE)
- consorbina, Barrandecirrus consorbina (J. Perner, 1907 †) - (PORCELLIIDAE) (FOSSIL)
- consorbina, Pterotheca consorbina Barrande, 1872 † - (PTEROTHECIDAE) (FOSSIL)
- consors, Bathytoma consors N. Puillandre, A.V. Sysoev & al., 2010 - (BORSONIIDAE)
- consors, Tristichotrochus consors (C.E. Lischke, 1872) - (CALLIOSTOMATIDAE)
- consors, Trachycardium consors (I, 1833) - (CARDIIDAE)
- consors, Laciniaria consors A. Schmidt, 1868 - syn of: Laciniaria plicata (J.P.R. Draparnaud, 1801) - (CLAUSILIIDAE)
- consors, Pionoconus consors (G.B. I Sowerby, 1833) - (CONIDAE)
- consors, Drillia consors Sowerby, 1850 † - (DRILLIIDAE) (FOSSIL)
- consors, Epitonium consors J.C.H. Crosse & P.H. Fischer, 1864 - syn of: Gyroscala lamellosa (J.B.P.A. Lamarck, 1822) - (EPITONIIDAE)
- consors, Helix consors R.T. Lowe, 1831 - (HELICIDAE)
- consors, Caseolus consors (R.T. Lowe, 1831) - (HYGROMIIDAE)
- consors, Melongena consors G.B. Sowerby, 1850 † - (MELONGENIDAE) (FOSSIL)
- consors, Colpomya consors Reed, 1927 † - (MODIOMORPHIDAE) (FOSSIL)
- consors, Hindsiclava consors (G.B. I Sowerby, 1850 †) - (PSEUDOMELATOMIDAE) (FOSSIL)
- consors, Xyloskenea consors B.A. Marshall, 1988 - (SEGUENZIOIDEA (UNASSIGNED))
- consors, Terebra consors R.B. Hinds, 1844 - (TEREBRIDAE)
- consors, Trochus consors C.E. Lischke, 1872 - syn of: Tristichotrochus consors (C.E. Lischke, 1872) - (TROCHIDAE)
- consors, Bruetia consors (G.P. Deshayes, 1857 †) - (UNGULINIDAE) (FOSSIL)
- consors, Cincinna consors C.A. Westerlund, 1886 - (VALVATIDAE)
- consors bullbrooki, Hindsiclava consors bullbrooki (W.C. Mansfield, 1925) - (PSEUDOMELATOMIDAE)
- consors kiiense, Calliostoma consors kiiense N. Ikebe, 1942 - syn of: Calliostoma kiiense N. Ikebe, 1942 - (CALLIOSTOMATIDAE)
- consors taurus, Melongena consors taurus E.J. Petuch, 1994 † - (MELONGENIDAE) (FOSSIL)
- consors trinitatensis, Hindsiclava consors trinitatensis (W.C. Mansfield, 1925) - (PSEUDOMELATOMIDAE)
- consortis, Tanea consortis (Finlay, 1924 †) - (NATICIDAE) (FOSSIL)
- conspecta, Cingula conspecta (E.A. Smith, 1904) - (RISSOIDAE)
- conspectum, Elaphoceras conspectum P.A. Zhuravleva, 1972 † - syn of: Gonatocyrtoceras guerichi (E.S. Sobolev, 1912 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- conspectum, Parvamussium conspectum H.H. Dijkstra & W. Kastoro, 1997 - (PROPEAMUSSIIDAE)
- conspectum, Acobaecardium conspectum (Tscheltzov †) - (PTERIIDA (UNASSIGNED)) (FOSSIL)
- conspectum, Punctum conspectum T.B. Bland, 1865 - (PUNCTIDAE)
- conspectum jaliscoensis, Punctum conspectum jaliscoensis (H.A. Pilsbry, 1926) - (PUNCTIDAE)
- conspectus, Saxidomus conspectus L. Krishtofovich, 1969 † - (VENERIDAE) (FOSSIL)
- conspera, Terebra conspera R.B. Hinds, 1844 - syn of: Hastulopsis conspersa (R.B. Hinds, 1844) - (TEREBRIDAE)
- conspera, Turritella conspera Adams & L.A. Reeve, 1850 - (TURRITELLIDAE)
- conspercatella, Thysanophora conspercatella P.M.A. Morelet - syn of: Microconus rufus F.G. Thompson, 1958 - (THYSANOPHORIDAE)
- conspersa, Achatinella conspersa L. Pfeiffer - syn of: Amastra reticulata conspersa L. Pfeiffer, 1855 - (ACHATINELLIDAE)
- conspersa, Aeolidia conspersa J.G. Dalyell, 1853 - syn of: Cuthona foliata (E. Forbes & J. Goodsir, 1839) - (AEOLIDIIDAE)
- conspersa, Spurilla conspersa P. Fischer, 1869 - syn of: Spurilla neapolitana (S. Delle Chiaje, 1841) - (AEOLIDIIDAE)
- conspersa, Amastra reticulata conspersa L. Pfeiffer, 1855 - (AMASTRIDAE)
- conspersa, Siphonalia cassidariaeformis conspersa A. Adams, 1863 - (BUCCINIDAE)
- conspersa, Bulla conspersa W.H. Pease, 1869 - syn of: Bulla vernicosa A.A. Gould, 1859 - (BULLIDAE)
- conspersa, Strigilodelima conspersa (L. Pfeiffer, 1848) - (CLAUSILIIDAE)
- conspersa, Cocculina conspersa P. Dautzenberg & H. Fischer, 1914 - (COCCULINIDAE)
- conspersa, Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa, Columbella conspersa J.S. Gaskoin, 1851 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa, Facelina conspersa N. Tiberi - (FACELINIDAE)
- conspersa, Cuthona conspersa J.G. Dalyell, 1853 - syn of: Cuthona foliata (E. Forbes & J. Goodsir, 1839) - (FIONIDAE)
- conspersa, Xerotricha conspersa É.A.A. Locard, 1892 - syn of: Xerotricha conspurcata (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- conspersa, Echinolittorina conspersa (R.A. Philippi, 1847) - (LITTORINIDAE)
- conspersa, Nodilittorina conspersa R.A. Philippi, 1847 - syn of: Echinolittorina conspersa (R.A. Philippi, 1847) - (LITTORINIDAE)
- conspersa, Tritia conspersa (R.A. Philippi, 1849 †) - (NASSARIIDAE) (FOSSIL)
- conspersa, Hastulopsis conspersa (R.B. Hinds, 1844) - (TEREBRIDAE)
- conspersa, Terebra conspersa R.B. Hinds, 1844 - syn of: Hastulopsis conspersa (R.B. Hinds, 1844) - (TEREBRIDAE)
- conspersa, Bouchetriphora conspersa (E.A. Smith, 1885) - (TRIPHORIDAE)
- conspersa, Turritella conspersa A. Adams & L.A. Reeve, 1849 - (TURRITELLIDAE)
- conspersa brevis, Columbellopsis conspersa brevis M.M. Schepman, 1911 - syn of: Mitrella schepmani D. Monsecour & D. Monsecour, 2007 - (COLUMBELLIDAE)
- conspersa circulata, Mitrella conspersa circulata R.P.J. Hervier, 1899 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa diluta, Mitrella conspersa diluta R.P.J. Hervier, 1899 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa illibata, Indomitrella conspersa illibata (R.P.J. Hervier, 1899) - (COLUMBELLIDAE)
- conspersa intemerata, Mitrella conspersa intemerata R.P.J. Hervier, 1899 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa nodosa, Mitrella conspersa nodosa M.M. Schepman, 1911 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa subaii, Strigilodelima conspersa subaii H. Nordsieck, 2015 - (CLAUSILIIDAE)
- conspersa suspecta, Mitrella conspersa suspecta R.P.J. Hervier, 1899 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- conspersa undulata, Amycla conspersa undulata P. Dautzenberg, 1890 † - syn of: Tritia pfeifferi (R.A. Philippi, 1844 †) - (NASSARIIDAE) (FOSSIL)
- conspersula, Dialeuca conspersula (C.B. Adams, 1849) - (CEPOLIDAE)
- conspersula fuscocincta, Dialeuca conspersula fuscocincta (C.B. Adams, 1849) - (CEPOLIDAE)
- conspersula negrilensis, Dialeuca conspersula negrilensis (H.B. Baker, 1935) - (CEPOLIDAE)
- conspersula platystyla, Dialeuca conspersula platystyla (L. Pfeiffer, 1850) - (CEPOLIDAE)
- conspersum, Buccinum conspersum R.A. Philippi, 1848 † - syn of: Tritia pfeifferi (R.A. Philippi, 1844 †) - (BUCCINIDAE) (FOSSIL)
- conspersus, Bostryx conspersus (G.B. I Sowerby, 1833) - (BULIMULIDAE)
- conspersus, Graphiconus conspersus (L.A. Reeve, 1843) - (CONIDAE)
- conspersus, Eucyclus conspersus R. Tate & C.H. Blake, 1876 † - (EUCYCLIDAE) (FOSSIL)
- conspersus, Triphora conspersus E.A. Smith, 1885 - syn of: Bouchetriphora conspersa (E.A. Smith, 1885) - (TRIPHORIDAE)
- conspersus, Clanculus conspersus A. Adams, 1853 - syn of: Clanculus philippii (Koch in R.A. Philippi, 1843) - (TROCHIDAE)
- conspersus, Tapes conspersus (J.F. Gmelin, 1791) - (VENERIDAE)
- conspersus adspersa, Tapes conspersus adspersa A. Römer, 1870 - (VENERIDAE)
- conspicabilis, Colpospira conspicabilis (R. Tate, 1893 †) - (TURRITELLIDAE) (FOSSIL)
- conspicienda, Leptachatina conspicienda C.M. Cooke, 1910 - (AMASTRIDAE)
- conspicienda, Belomitra quadruplex conspicienda É.A.A. Locard, 1897 - (BELOMITRIDAE)
- conspicienda, Clionella conspicienda É.A.A. Locard, 1897 - syn of: Belomitra quadruplex (R.B. Watson, 1882) - (CLAVATULIDAE)
- conspicienda, Oenopota conspicienda É.A.A. Locard, 1897 - syn of: Belomitra quadruplex conspicienda É.A.A. Locard, 1897 - (MANGELIIDAE)
- conspicua, Acteocina conspicua (H.B. Preston, 1908) - (ACTEOCINIDAE)
- conspicua, Bucaniella conspicua d'Eichwald, 1840 † - syn of: Tetranota conspicua (d'Eichwald, 1840 †) - (BELLEROPHONTIDAE) (FOSSIL)
- conspicua, Nassarina conspicua (C.B. Adams, 1852) - (COLUMBELLIDAE)
- conspicua, Tornatina conspicua H.B. Preston, 1908 - syn of: Acteocina conspicua (H.B. Preston, 1908) - (CYLICHNIDAE)
- conspicua, Palaina conspicua O.F. von Möllendorff, 1893 - (DIPLOMMATINIDAE)
- conspicua, Murella globularis conspicua (L. Benoit, 1857) - (HELICIDAE)
- conspicua, Georissa conspicua J.F. Mabille, 1887 - (HYDROCENIDAE)
- conspicua, Stenoradsia conspicua (H.A. Pilsbry, 1892) - (ISCHNOCHITONIDAE)
- conspicua, Malletia conspicua E.A. Smith, 1895 - (MALLETIIDAE)
- conspicua, Sorgenfreispira brachystoma conspicua (F. Nordsieck, 1977) - (MANGELIIDAE)
- conspicua, Aranea conspicua G. Perry, 1811 - syn of: Bolinus cornutus (C. Linnaeus, 1758) - (MURICIDAE)
- conspicua, Crenavolva conspicua C.N. Cate, 1975 - syn of: Rotaovula septemmacula (M. Azuma, 1974) - (OVULIDAE)
- conspicua, Patella conspicua R.A. Philippi, 1849 - syn of: Helcion concolor (C.F.F. von Krauss, 1848) - (PATELLIDAE)
- conspicua, Tetranota conspicua (d'Eichwald, 1840 †) - (PLECTONOTIDAE) (FOSSIL)
- conspicua, Polycera conspicua J.K. Allan, 1932 - syn of: Polycera capensis J.R.C. Quoy & J.P. Gaimard, 1824 - (POLYCERIDAE)
- conspicua, Megastomia conspicua (J. Alder, 1850) - (PYRAMIDELLIDAE)
- conspicua, Alvania conspicua P.M. Pallary, 1900 - (RISSOIDAE)
- conspicua, Akritogyra conspicua (T.A. de M. Monterosato, 1880) - (SEGUENZIOIDEA (UNASSIGNED))
- conspicua, Ianthinopsis conspicua (de Koninck, 1881 †) - (SOLENISCIDAE) (FOSSIL)
- conspicua, Macrochilina conspicua de Koninck, 1881 † - syn of: Ianthinopsis conspicua (de Koninck, 1881 †) - (SOLENISCIDAE) (FOSSIL)
- conspicua, Parvedentulina conspicua K.C. Emberton, 2002 - (STREPTAXIDAE)
- conspicua, Tellina conspicua S.C.T. Hanley, 1846 - (TELLINIDAE)
- conspicua, Felaniella conspicua (E.A. Smith, 1885) - (UNGULINIDAE)
- conspicua, Diplodonta conspicua E.A. Smith, 1885 - syn of: Felaniella conspicua (E.A. Smith, 1885) - (UNGULINIDAE)
- conspicua, Lampsilis radiata conspicua I. Lea, 1872 - (UNIONIDAE)
- conspicua alungata, Megastomia conspicua alungata F. Nordsieck, 1972 - syn of: Megastomia alungata F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- conspicua major, Megastomia conspicua major F. Nordsieck, 1972 - (PYRAMIDELLIDAE)
- conspicua sonorana, Stenoplax conspicua sonorana S.S. Berry, 1956 - syn of: Stenoplax sonorana S.S. Berry, 1956 - (ISCHNOCHITONIDAE)
- conspicua sonorana, Stenoradsia conspicua sonorana S.S. Berry, 1956 - syn of: Stenoplax sonorana S.S. Berry, 1956 - (ISCHNOCHITONIDAE)
- conspicuum, Buccinum conspicuum T.A. Verkrüzen, 1881 - syn of: Buccinum finmarkianum T.A. Verkrüzen, 1875 - (BUCCINIDAE)
- conspicuum, Dentalium conspicuum J.C. Melvill, 1897 - syn of: Tesseracme quadrapicalis (S.C.T. Hanley in G.B. Sowerby, 1860) - (DENTALIIDAE)
- conspicuum, Cyrtoceras conspicuum Barrande, 1866 † - syn of: Protophragmoceras conspicuum (Barrande, 1866 †) - (ONCOCERIDA (unassigned)) (FOSSIL)
- conspicuum, Protophragmoceras conspicuum (Barrande, 1866 †) - (PHRAGMOCERATIDAE) (FOSSIL)
- conspicuus, Plekocheilus conspicuus H.A. Pilsbry, 1932 - syn of: Thaumastus flori (F.P. Jousseaume, 1897) - (AMPHIBULIMIDAE)
- conspicuus, Amamibalcis conspicuus (A.N. Golikov, 1985) - (EULIMIDAE)
- conspicuus, Pseudotectus conspicuus Spitz, 1907 † - (PSEUDOPHORIDAE) (FOSSIL)
- conspiquus, Murex conspiquus K.E.I. von Eichwald, 1868 † - syn of: Maturifusus conspiquus (K.E.I. von Eichwald, 1868 †) - (MURICIDAE) (FOSSIL)
- conspiquus, Maturifusus conspiquus (K.E.I. von Eichwald, 1868 †) - (PSEUDOTRITONIIDAE) (FOSSIL)
- conspira, Shinkailepas conspira L.A. Beck - (PHENACOLEPADIDAE)
- conspurcata, Delima blanda conspurcata (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- conspurcata, Trona conspurcata J.F. Gmelin, 1791 - syn of: Trona stercoraria (C. Linnaeus, 1758) - (CYPRAEIDAE)
- conspurcata, Hemiliostraca conspurcata (C.B. Adams, 1864) - (EULIMIDAE)
- conspurcata, Xerotricha conspurcata (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- conspurcata fulcrata, Delima conspurcata fulcrata E.A. Rossmässler - syn of: Delima blanda fulcrata E.A. Rossmässler - (CLAUSILIIDAE)
- conspurcatella, Helix conspurcatella P.M.A. Morelet, 1851 - syn of: Thysanophora conspurcatella (P.M.A. Morelet, 1851) - (HELICIDAE)
- conspurcatella, Thysanophora conspurcatella (P.M.A. Morelet, 1851) - (THYSANOPHORIDAE)
- conspurcatella puella, Thysanophora conspurcatella puella H.A. Pilsbry, 1926 - (THYSANOPHORIDAE)
- constanceae, Ranfurlya constanceae H.H. Suter, 1903 - (CHAROPIDAE)
- constans, Amphidromus constans H.C. Fulton, 1896 - (CAMAENIDAE)
- constans, Zemitrella sulcata constans A.W.B. Powell, 1955 - (COLUMBELLIDAE)
- constans, Loxonema constans Böhm, 1895 † - (LOXONEMATIDAE) (FOSSIL)
- constans, Gyraulus constans (Š. Brusina, 1884) - (PLANORBIDAE)
- constans silhouettae, Imperturbatia constans silhouettae E.C. Von Martens, 1898 - syn of: Silhouettia silhouettae (E.C. Von Martens, 1898) - (STREPTAXIDAE)
- constanti, Chiton constanti C. Vélain, 1877 - syn of: Ischnochiton bergoti (C. Vélain, 1877) - (CHITONIDAE)
- constanti, Polinices constanti Huelsken & R. Hollmann, 2012 - (NATICIDAE)
- constantia, Doris constantia E.F. Kelaart, 1858 - (DORIDIDAE)
- constantia, Hypermastus constantia A. Adams, 1861 - syn of: Hypermastus casta (A. Adams, 1861) - (EULIMIDAE)
- constantia, Organocoptis constantia C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Constantia, Genus Constantia A. Adams, 1860 (VANIKORIDAE)
- constantiae, Cathaica constantiae (A. Adams, 1870) - (BRADYBAENIDAE)
- constantiae, Theodoxus constantiae Stefanescu, 1896 † - (NERITIDAE) (FOSSIL)
- constantii, Peltoceratoides constantii A.V.M.D. D'Orbigny, 1847 † - syn of: Peltoceratoides williamsoni constantii (A.V.M.D. D'Orbigny, 1847 †) - (ASPIDOCERATIDAE) (FOSSIL)
- constantii, Peltoceratoides williamsoni constantii (A.V.M.D. D'Orbigny, 1847 †) - (ASPIDOCERATIDAE) (FOSSIL)
- constantinae, Amnicola constantinae A. Letourneux, 1870 - syn of: Pseudamnicola constantinae (A. Letourneux, 1870) - (AMNICOLIDAE)
- constantinae, Otala constantinae (E. Forbes, 1837) - (HELICIDAE)
- constantinae, Pseudamnicola constantinae (A. Letourneux, 1870) - (HYDROBIIDAE)
- constantinensis, Aclis constantinensis M.E.A. de Boury, 1902 - (ACLIDIDAE)
- constantinensis, Ancilla constantinensis A.E.M. Cossmann & G. Pissarro † - (ANCILLARIIDAE) (FOSSIL)
- constantinensis, Arca constantinensis A.E.M. Cossmann & G. Pissarro, 1903 † - (ARCIDAE) (FOSSIL)
- constantinensis, Rissoina constantinensis A.E.M. Cossmann & G. Pissarro † - (RISSOINIDAE) (FOSSIL)
- constantini, Worthenia constantini Mansuy, 1912 † - (LOPHOSPIRIDAE) (FOSSIL)
- constantini, Pinna constantini de Loriol & Pellat, 1874 † - (PINNIDAE) (FOSSIL)
- constantior, Cepolis constantior (C.D. Weinland, 1880) - (CEPOLIDAE)
- constantis, Tsvetkovites constantis Archipov, 1974 † - (NATHORSTITIDAE) (FOSSIL)
- constellata, Papilliphaedusa constellata (P.M. Heude, 1886) - (CLAUSILIIDAE)
- constellata, Sticteulima constellata (J.C. Melvill, 1898) - (EULIMIDAE)
- constellata, Priotrochatella constellata (P.M.A. Morelet, 1847) - (HELICINIDAE)
- constellata, Helcion concolor constellata G.B. Sowerby, 1921 - (PATELLIDAE)
- constellata, Austrocochlea constellata (S.M. Souverbie, 1863) - (TROCHIDAE)
- constellata, Diloma constellata S.M. Souverbie, 1863 - syn of: Austrocochlea constellata (S.M. Souverbie, 1863) - (TROCHIDAE)
- constellatus, Trochus constellatus S.M. Souverbie, 1863 - syn of: Austrocochlea constellata (S.M. Souverbie, 1863) - (TROCHIDAE)
- consternans, Gouldiopa consternans (P.G. Oliver & M. Zuschin, 2001) - (VENERIDAE)
- consternans, Microcirce consternans P.G. Oliver & M. Zuschin, 2001 - syn of: Gouldiopa consternans (P.G. Oliver & M. Zuschin, 2001) - (VENERIDAE)
- Constileioceras, Genus Constileioceras (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- constricta, Mitonia constricta Renz, 1982 † - (ACANTHOCERATIDAE) (FOSSIL)
- constricta, Akera constricta L.W. Stephenson, 1941 † - (AKERIDAE) (FOSSIL)
- constricta, Arca constricta R.W. Dunker, 1868 - syn of: Arca mutabilis Sowerby, 1833 - (ARCIDAE)
- constricta, Fresvillia constricta J. Kennedy, 1986 † - (BACULITIDAE) (FOSSIL)
- constricta, Ptychosphaera constricta J. Perner, 1903 † - (BELLEROPHONTIDAE) (FOSSIL)
- constricta, Neptunea constricta (W.H. Dall, 1907) - (BUCCINIDAE)
- constricta, Searlesia constricta W.H. Dall, 1918 - syn of: Lirabuccinum fuscolabiatum (E.A. Smith, 1875) - (BUCCINIDAE)
- constricta, Dispotaea constricta T.A. Conrad, 1842 † - (CALYPTRAEIDAE) (FOSSIL)
- constricta, Diacavolinia constricta S. Van Der Spoel, P. Bleeker & H. Kobayasi, 1993 - (CAVOLINIIDAE)
- constricta, Etrema constricta C.F. Laseron, 1954 - (CLATHURELLIDAE)
- constricta, Crockerella constricta (W.M. Gabb, 1865) - (CLATHURELLIDAE)
- Constricta, Genus Constricta Nordsieck, 2014 (CLAUSILIIDAE) (FOSSIL)
- constricta, Mitrella constricta J.T. Kuroda, 1928 - (COLUMBELLIDAE)
- constricta, Creseis chierchiae constricta C. Chen & A.W.H. Bè, 1964 - (CRESEIDAE)
- constricta, Ditropopsis constricta J.J. Vermeulen, T.S. Liew & M. Schilthuizen, 2015 - (CYCLOPHORIDAE)
- constricta, Cylichna constricta J. de C. Sowerby † - (CYLICHNIDAE) (FOSSIL)
- constricta, Cymaclymenia constricta Selwood, 1960 † - (CYMACLYMENIIDAE) (FOSSIL)
- constricta, Aaadonta constricta (C.G. Semper, 1874) - (ENDODONTIDAE)
- constricta, Turritoma constricta (J.J.F. Whiteaves, 1884 †) - (EOTOMARIIDAE) (FOSSIL)
- constricta, Niso constricta G.P. Deshayes, 1866 † - (EULIMIDAE) (FOSSIL)
- constricta, Latirus constricta F.C.L. Koch, 1845 - syn of: Latirus constrictus (F.C.L. Koch, 1845) - (FASCIOLARIIDAE)
- constricta, Haloa constricta (A. Adams, 1860) - (HAMINOEIDAE)
- constricta, Helicina constricta L. Pfeiffer, 1849 - (HELICINIDAE)
- constricta, Laternula anatina constricta (L.A. Reeve, 1863) - (LATERNULIDAE)
- constricta, Loxonema constricta J. de C. Sowerby, 1821 † - syn of: Microptychis constricta (J. de C. Sowerby, 1821 †) - (LOXONEMATIDAE) (FOSSIL)
- constricta, Mactra constricta Woods, 1850 † - (MACTRIDAE) (FOSSIL)
- constricta, Anatina constricta L.A. Reeve, 1863 - syn of: Laternula anatina (C. Linnaeus, 1758) - (MACTRIDAE)
- constricta, Palaeoneilo constricta (Conrad) † - (MALLETIIDAE) (FOSSIL)
- constricta, Mangelia constricta W.M. Gabb, 1865 - syn of: Crockerella constricta (W.M. Gabb, 1865) - (MANGELIIDAE)
- constricta, Marginella constricta R.B. Hinds, 1844 - syn of: Prunum olivaeforme (L.C. Kiener, 1834) - (MARGINELLIDAE)
- constricta, Prunum constricta R.B. Hinds, 1844 - syn of: Prunum olivaeforme (L.C. Kiener, 1834) - (MARGINELLIDAE)
- constricta, Leptogyra constricta B.A. Marshall, 1988 - (MELANODRYMIIDAE)
- constricta, Melanopsis constricta Š. Brusina, 1878 † - (MELANOPSIDAE) (FOSSIL)
- constricta, Colpomya constricta Ulrich, 1894 † - (MODIOMORPHIDAE) (FOSSIL)
- constricta, Murchisonia constricta J.J.F. Whiteaves, 1884 † - syn of: Turritoma constricta (J.J.F. Whiteaves, 1884 †) - (MURCHISONIIDAE) (FOSSIL)
- constricta, Euspira constricta W.H. Dall, 1908 - (NATICIDAE)
- constricta, Trituba constricta S. Gofas, 2003 - (NEWTONIELLIDAE)
- constricta, Emileia constricta Imlay, 1964 † - (OTOITIDAE) (FOSSIL)
- constricta, Palaeonarica constricta E.A.L. Kittl, 1892 † - (PALAEONARICIDAE) (FOSSIL)
- constricta, Distorsio constricta (W.J. Broderip, 1833) - (PERSONIDAE)
- constricta, Distorsio constricta W.K. Emerson & E.L. Puffer, 1953 - syn of: Distorsio constricta mcgintyi W.K. Emerson & E.L. Puffer, 1953 - (PERSONIDAE)
- constricta, Sinonovacula constricta (J.B.P.A. Lamarck, 1818) - (PHARIDAE)
- constricta, Philine constricta R. Murdoch & H.H. Suter, 1906 - (PHILINIDAE)
- constricta, Pholas constricta Woods, 1909 † - (PHOLADIDAE) (FOSSIL)
- constricta, Pholas constricta G.B. II Sowerby, 1849 - syn of: Penitella gabbii (G.W. Tryon, 1863) - (PHOLADIDAE)
- constricta, Penitella constricta G.B. II Sowerby, 1849 - syn of: Penitella gabbii (G.W. Tryon, 1863) - (PHOLADIDAE)
- constricta, Crassispira constricta E.W. Vredenburg, 1921 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- constricta, Microptychis constricta (J. de C. Sowerby, 1821 †) - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- constricta, Turbonilla constricta (E.A. Smith, 1891) - (PYRAMIDELLIDAE)
- constricta, Retusa constricta R.A. Philippi, 1836 - (RETUSIDAE)
- constricta, Sarepta constricta (J. Marwick, 1942 †) - (SAREPTIDAE) (FOSSIL)
- constricta, Amphidesma constricta T.A. Conrad, 1841 - syn of: Fabella constricta (T.A. Conrad, 1841) - (SEMELIDAE)
- constricta, Solariella constricta W.H. Dall, 1927 - syn of: Haloceras carinata (J.G. Jeffreys, 1883) - (SOLARIELLIDAE)
- constricta, Euglandina constricta (F.G. Thompson, 1995) - (SPIRAXIDAE)
- constricta, Fabella constricta (T.A. Conrad, 1841) - (SPORTELLIDAE)
- constricta, Gulella constricta K.C. Emberton, 2001 - (STREPTAXIDAE)
- constricta, Macoma constricta (J.G. Bruguière, 1792) - (TELLINIDAE)
- constricta, Terebra constricta K.H.J. Thiele, 1925 - syn of: Granuliterebra bathyrhaphe (E.A. Smith, 1875) - (TEREBRIDAE)
- constricta, Austrocochlea constricta (J.B.P.A. Lamarck, 1822) - (TROCHIDAE)
- constricta, Turritella constricta L.A. Reeve, 1849 - syn of: Gazameda iredalei Finlay, 1927 - (TURRITELLIDAE)
- constricta, Turritella constricta J. de C. Sowerby, 1821 † - syn of: Microptychis constricta (J. de C. Sowerby, 1821 †) - (TURRITELLIDAE) (FOSSIL)
- constricta, Villosa constricta (T.A. Conrad, 1838) - (UNIONIDAE)
- constricta, Bellamya constricta E.C. Von Martens, 1889 - (VIVIPARIDAE)
- constricta, Zebina constricta C.F. Laseron, 1956 - (ZEBINIDAE)
- constricta babelthuapi, Aaadonta constricta babelthuapi G.A. Solem, 1976 - (ENDODONTIDAE)
- constricta conjuge, Dispotaea constricta conjuge Gardner, 1947 † - (CALYPTRAEIDAE) (FOSSIL)
- constricta floridana, Distorsio constricta floridana A.A. Olsson & J.T.L. McGinty, 1951 - syn of: Distorsio constricta mcgintyi W.K. Emerson & E.L. Puffer, 1953 - (PERSONIDAE)
- constricta habei, Distorsio constricta habei H. Lewis, 1972 - syn of: Distorsio habei H. Lewis, 1972 - (PERSONIDAE)
- constricta komakanensis, Aaadonta constricta komakanensis G.A. Solem, 1976 - (ENDODONTIDAE)
- constricta mcgintyi, Distorsio constricta mcgintyi W.K. Emerson & E.L. Puffer, 1953 - (PERSONIDAE)
- constricta mcgintyi, Distorsio constricta mcgintyi W.K. Emerson & E.L. Puffer, 1954 - syn of: Distorsio constricta mcgintyi W.K. Emerson & E.L. Puffer, 1953 - (PERSONIDAE)
- constricta nowskaensis, Melanopsis constricta nowskaensis W.A. Wenz, 1928 † - (MELANOPSIDAE) (FOSSIL)
- constricta vladivostokensis, Neptunea constricta vladivostokensis P. Bartsch, 1929 - syn of: Neptunea vladivostokensis (P. Bartsch, 1929) - (BUCCINIDAE)
- constricta zebra, Austrocochlea constricta zebra (K.T. Menke, 1829) - (TROCHIDAE)
- Constricta-group, syn of: Genus Neptunea P.F. Rφding, 1798 (BUCCINIDAE)
- constrictelabiatus, Loganiopharynx constrictelabiatus (Miller, 1907) † - (HYGROMIIDAE) (FOSSIL)
- constrictocanalis, Anachis constrictocanalis K. Monsecour & D. Monsecour, 2016 - (COLUMBELLIDAE)
- constrictoides, Pseudocymbites constrictoides Dommergues & Corna, 2014 † - (CYMBITIDAE) (FOSSIL)
- constrictor, Bivona constrictor O.A.L. Mörch, 1862 - syn of: Thylacodes sipho (J.B.P.A. Lamarck, 1818) - (VERMETIDAE)
- constrictor, Thylacodes constrictor O.A.L. Mörch, 1862 - syn of: Thylacodes sipho (J.B.P.A. Lamarck, 1818) - (VERMETIDAE)
- constrictum, Granulolabium substriatum constrictum (G.P. Deshayes, 1833 †) - (BATILLARIIDAE) (FOSSIL)
- constrictum, Euhystrichoceras constrictum Spath, 1933 † - (BRANCOCERATIDAE) (FOSSIL)
- constrictum, Lirabuccinum constrictum W.H. Dall, 1918 - syn of: Lirabuccinum fuscolabiatum (E.A. Smith, 1875) - (BUCCINIDAE)
- constrictum, Caecum constrictum W.M. Gabb, 1873 - syn of: Meioceras cornucopiae P.P. Carpenter, 1859 - (CAECIDAE)
- constrictum, Meioceras constrictum H.A. Pilsbry & C.G. Aguayo, 1933 - syn of: Meioceras cornucopiae P.P. Carpenter, 1859 - (CAECIDAE)
- constrictum, Cerion marielinum constrictum C.G. Aguayo & M.L. Jaume, 1953 - (CERIONIDAE)
- constrictum, Lyckholmoceras constrictum E. Strand, 1934 † - (DIESTOCERATIDAE) (FOSSIL)
- constrictum, Syngastrioceras constrictum Nassichuk, 1975 † - (GLAPHYRITIDAE) (FOSSIL)
- constrictum, Goniatites constrictum Steininger, 1849 † - syn of: Aulatornoceras constrictum (Steininger, 1849 †) - (GONIATITIDAE) (FOSSIL)
- constrictum, Eolytoceras constrictum Longridge & al., 2008 † - (LYTOCERATIDAE) (FOSSIL)
- constrictum, Uralyroceras constrictum (Ruzhentsev & Bogoslovskaya, 1971 †) - (NEOGLYPHIOCERATIDAE) (FOSSIL)
- constrictum, Oncoceras constrictum J.W. Hall † - (ONCOCERATIDAE) (FOSSIL)
- constrictum, Dalecarlioceras constrictum Frye, 1987 † - (ONCOCERATIDAE) (FOSSIL)
- constrictum, Oonoceras constrictum (J.W. Hall, 1847 †) - (OONOCERATIDAE) (FOSSIL)
- constrictum, Phragmoceras constrictum A.C. Chapman † - syn of: Oncoceras constrictum J.W. Hall † - (PHRAGMOCERATIDAE) (FOSSIL)
- constrictum, Felinoceras constrictum Kröger & J. Evans, 2011 † - (RIOCERATIDAE) (FOSSIL)
- constrictum, Aulatornoceras constrictum (Steininger, 1849 †) - (TORNOCERATIDAE) (FOSSIL)
- constrictum, Falcitornoceras constrictum House & J. Price, 1985 † - (TORNOCERATIDAE) (FOSSIL)
- constrictum, Nannovascoceras constrictum Renz & J. Alvarez, 1979 † - syn of: Nannovascoceras intermedium Renz & J. Alvarez, 1979 † - (VASCOCERATIDAE) (FOSSIL)
- constrictus, Naesiotus constrictus (L.A. Reeve, 1848) - (BULIMULIDAE)
- constrictus, Latirus constrictus (F.C.L. Koch, 1845) - (FASCIOLARIIDAE)
- constrictus, Limulatys constrictus T. Habe, 1952 - (HAMINOEIDAE)
- constrictus, Somatogyrus constrictus B. Walker, 1904 - (LITHOGLYPHIDAE)
- constrictus, Tomocyclus constrictus P. Bartsch & J.P.E. Morrison, 1942 - syn of: Tomocyclus simulacrum (P.M.A. Morelet, 1849) - (MEGALOMASTOMIDAE)
- constrictus, Typhinellus constrictus R. Houart & V. Héros, 2015 - (MURICIDAE)
- constrictus, Theodoxus hellenicus constrictus (Bukowski, 1896 †) - (NERITIDAE) (FOSSIL)
- constrictus, Isculites constrictus Bucher, 1992 † - (PARAGOCERATIDAE) (FOSSIL)
- constrictus, Macron constrictus Gibson-Smith & G.J. Vermeij, 1997 † - (PSEUDOLIVIDAE) (FOSSIL)
- constrictus, Leptodomus constrictus McCoy † - (SANGUINOLITIDAE) (FOSSIL)
- constrictus, Hoploscaphites constrictus (Sowerby, 1817 †) - (SCAPHITIDAE) (FOSSIL)
- constrictus, Rhinus constrictus (L. Pfeiffer, 1841) - (SIMPULOPSIDAE)
- constrictus, Solen constrictus J.G. Bruguière, 1792 - syn of: Macoma constricta (J.G. Bruguière, 1792) - (SOLENIDAE)
- constrictus, Notosinister constrictus C.F. Laseron, 1958 - (TRIPHORIDAE)
- constrictus, Trissexodon constrictus (N. Boubee, 1836) - (TRISSEXODONTIDAE)
- constrictus, Turbo constrictus Moore † - (TURBINIDAE) (FOSSIL)
- constrictus tateanus, Rhinus constrictus tateanus R.J.L. Guppy, 1875 - (SIMPULOPSIDAE)
- Constrigymnites, Genus Constrigymnites Bucher , 1992 (GYMNITIDAE) (FOSSIL)
- construa, Rhagada construa T. Iredale, 1939 - (CAMAENIDAE)
- consuela, Siratus consuela (A.H. Verrill, 1950) - (MURICIDAE)
- consuelae, Chicoreus consuelae E.H. Vokes, 1963 - syn of: Siratus consuela (A.H. Verrill, 1950) - (MURICIDAE)
- consuelae, Murex consuelae A.H. Verrill, 1950 - syn of: Siratus consuela (A.H. Verrill, 1950) - (MURICIDAE)
- consueta, Zoila marginata consueta G. Biraghi, 1993 - (CYPRAEIDAE)
- consuetum, Quasicravenoceras consuetum Ruzhentsev & Bogoslovskaya, 1971 † - (CRAVENOCERATIDAE) (FOSSIL)
- consuetum, Endoceras consuetum Sardeson, 1896 † - syn of: Rioceras consuetum (Sardeson, 1896 †) - (ENDOCERATIDAE) (FOSSIL)
- consuetum, Rioceras consuetum (Sardeson, 1896 †) - (RIOCERATIDAE) (FOSSIL)
- consuetus, Clidophorus consuetus Ulrich, 1894 † - (NUCULANIDAE) (FOSSIL)
- consul, Macrochlamys consul L. Pfeiffer, 1854 - syn of: Everettia consul (L. Pfeiffer, 1854) - (ARIOPHANTIDAE)
- consul, Conus consul A. Boivin, 1864 - syn of: Pionoconus magus (C. Linnaeus, 1758) - (CONIDAE)
- consul, Everettia consul (L. Pfeiffer, 1854) - (DYAKIIDAE)
- consul, Helix consul L. Pfeiffer, 1854 - syn of: Everettia consul (L. Pfeiffer, 1854) - (HELICIDAE)
- consul, Murex consul J.F. Gmelin, 1791 - syn of: Stramonita haemastoma (C. Linnaeus, 1767) - (MURICIDAE)
- consul, Stramonita haemastoma consul (J.H. Chemnitz, 1795) - (MURICIDAE)
- consularis, Corbicula consularis T. Prime, 1870 - (CYRENIDAE)
- consularis, Bankia consularis C.E. von Moll, 1935 - syn of: Bankia carinata (J.E. Gray, 1827) - (TEREDINIDAE)
- consutilis, Barbatia consutilis R. Tate, 1886 † - (ARCIDAE) (FOSSIL)
- contabulata, Baicalia contabulata (W. Dybowski, 1875) - (AMNICOLIDAE)
- contabulata, Anabathron contabulata G.R. von Frauenfeld, 1867 - (ANABATHRIDAE)
- contabulata, Scalptia contabulata (G.B. I Sowerby, 1832) - (CANCELLARIIDAE)
- contabulata, Admete contabulata H.B.S. Friele, 1879 - (CANCELLARIIDAE)
- contabulata, Littorina contabulata P. Dautzenberg & H. Fischer, 1915 - syn of: Littorina obtusata (C. Linnaeus, 1758) - (LITTORINIDAE)
- contabulata, Worthenia contabulata Costa, 1964 † - (LOPHOSPIRIDAE) (FOSSIL)
- contabulata, Dentimargo contabulata (G.P. Deshayes, 1865 †) - (MARGINELLIDAE) (FOSSIL)
- contabulata, Crassispira contabulata A.E.M. Cossmann, 1889 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- contabulata, Odostomia contabulata (O.A.L. Mörch, 1860) - (PYRAMIDELLIDAE)
- contabulata, Lissotesta contabulata (R. Tate, 1899) - (SEGUENZIOIDEA (UNASSIGNED))
- contabulata, Solariella contabulata A.E.M. Cossmann & M.A. Peyrot, 1916 † - (SOLARIELLIDAE) (FOSSIL)
- contabulata, Macoma contabulata (G.P. Deshayes, 1855) - (TELLINIDAE)
- contabulata, Tellina contabulata G.P. Deshayes, 1855 - syn of: Macoma contabulata (G.P. Deshayes, 1855) - (TELLINIDAE)
- contabulatum, Cirsotrema contabulatum G.P. Deshayes, 1861 † - (EPITONIIDAE) (FOSSIL)
- contabulatus, Pterynotus contabulatus (J.B.P.A. Lamarck, 1803 †) - (MURICIDAE) (FOSSIL)
- contadina, Anodonta contadina É.A.A. Locard, 1882 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- contadita, Lymnaea contadita Unknown - syn of: Omphiscola glabra (O.F. Müller, 1774) - (LYMNAEIDAE)
- contamanoensis, Ampullaria contamanoensis H.B. Preston, 1914 - syn of: Pomacea aulanieri (L. Deville & L.H. Hupé, 1850) - (AMPULLARIIDAE)
- contamanoensis, Helicina contamanoensis H.B. Preston, 1914 - (HELICINIDAE)
- contamanoensis, Opeas contamanoensis H.B. Preston, 1914 - (SUBULINIDAE)
- contaminata, Albinaria contaminata (E.A. Rossmässler, 1835) - (CLAUSILIIDAE)
- contaminata, Columbella contaminata J.S. Gaskoin, 1851 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- contaminata, Mitrella contaminata J.S. Gaskoin, 1851 - syn of: Indomitrella conspersa (J.S. Gaskoin, 1851) - (COLUMBELLIDAE)
- contaminata, Palmadusta contaminata (G.B. II Sowerby, 1832) - (CYPRAEIDAE)
- contaminata, Persicula contaminata J.S. Gaskoin, 1849 - syn of: Persicula blanda (R.B. Hinds, 1844) - (CYSTISCIDAE)
- contaminata, Ambigua signata contaminata (M. Paulucci, 1878) - (HELICIDAE)
- contaminata, Marginella contaminata J.S. Gaskoin, 1849 - syn of: Persicula blanda (R.B. Hinds, 1844) - (MARGINELLIDAE)
- contaminata artaensis, Albinaria contaminata artaensis (O. Böttger, 1878) - (CLAUSILIIDAE)
- contaminata distans, Palmadusta contaminata distans F.A. Schilder & M. Schilder, 1938 - (CYPRAEIDAE)
- contaminata incommoda, Albinaria contaminata incommoda O. Böttger, 1878 - (CLAUSILIIDAE)
- contaminata lieberuti, Albinaria contaminata lieberuti (J.G.F. de Charpentier, 1852) - (CLAUSILIIDAE)
- contaminata muraria, Albinaria contaminata muraria (A. Schmidt, 1868) - (CLAUSILIIDAE)
- contaminata odysseus, Albinaria contaminata odysseus (O. Böttger, 1878) - (CLAUSILIIDAE)
- contaminata periporon, Albinaria contaminata periporon T.C.M. Kemperman & E. Gittenberger, 1992 - (CLAUSILIIDAE)
- contarinii, Pleurobranchus contarinii J.B. Vérany, 1846 - syn of: Pleurobranchus membranaceus (G. Montagu, 1815) - (PLEUROBRANCHIDAE)
- contecta corcyrensis, Vivipara contecta corcyrensis W. Kobelt, 1909 - syn of: Viviparus listeri (E. Forbes & S.C.T. Hanley, 1849) - (VIVIPARIDAE)
- contecta croatica, Paludina contecta croatica W. Kobelt, 1909 - syn of: Viviparus listeri (E. Forbes & S.C.T. Hanley, 1849) - (VIVIPARIDAE)
- contecta gallensteini, Paludina contecta gallensteini W. Kobelt, 1893 - syn of: Viviparus listeri (E. Forbes & S.C.T. Hanley, 1849) - (VIVIPARIDAE)
- contecta kormosi, Vivipara contecta kormosi W. Kobelt, 1909 - syn of: Viviparus acerosus J.R. Bourguignat, 1862 - (VIVIPARIDAE)
- contecta rossica, Vivipara contecta rossica C.A. Westerlund, 1886 - syn of: Viviparus listeri (E. Forbes & S.C.T. Hanley, 1849) - (VIVIPARIDAE)
- contecta russiensis, Viviparus contecta russiensis K.O. Milaschewitsch, 1881 - syn of: Viviparus listeri (E. Forbes & S.C.T. Hanley, 1849) - (VIVIPARIDAE)
- contecta russiensis, Vivipara contecta russiensis K.O. Milaschewitsch, 1881 - syn of: Viviparus listeri (E. Forbes & S.C.T. Hanley, 1849) - (VIVIPARIDAE)
- Contectiana, syn of: Genus Viviparus P.D. Montfort, 1810 (VIVIPARIDAE)
- contectoides, Viviparus contectoides W.G. Binney, 1865 - (VIVIPARIDAE)
- contectum, Cyclostoma contectum P.A. Millet, 1813 - syn of: Viviparus contectus P.A. Millet, 1813 - (POMATIIDAE)
- contectus, Viviparus contectus P.A. Millet, 1813 - (VIVIPARIDAE)
- contei, Pachyhemihoplites contei Delanoy, 1992 † - (HEMIHOPLITIDAE) (FOSSIL)
- Contemniscala, Subgenus Opalia (Contemniscala) De Boury, 1909 (EPITONIIDAE) (FOSSIL)
- contempta, Teraia contempta (A.R.J.B. Bavay & P. Dautzenberg, 1908) - (ARIOPHANTIDAE)
- contempta, Etrema contempta (E.A. Smith, 1888) - (CLATHURELLIDAE)
- contempta, Semisalsa contempta (P. Dautzenberg, 1894) - (COCHLIOPIDAE)
- contempta, Heleobia contempta (P. Dautzenberg, 1894) - syn of: Semisalsa contempta (P. Dautzenberg, 1894) - (COCHLIOPIDAE)
- contempta, Costellaria contempta P. Dautzenberg & J.L. Bouge, 1923 - syn of: Vexillum cadaverosum (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- contempta, Cernuella contempta W. Kobelt, 1888 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- contempta, Lucina contempta A.E.M. Cossmann, 1921 - syn of: Lucina carnosa (R.W. Dunker, 1858) - (LUCINIDAE)
- contempta, Cyclosunetta contempta E.A. Smith, 1891 - syn of: Sunetta sunettina (F.P. Jousseaume, 1891) - (VENERIDAE)
- contempta, Sunettina contempta E.A. Smith, 1891 - syn of: Sunetta sunettina (F.P. Jousseaume, 1891) - (VENERIDAE)
- contempta bruggeni, Sunetta contempta bruggeni E. Fischer-Piette, 1974 - syn of: Sunetta bruggeni E. Fischer-Piette, 1974 - (VENERIDAE)
- contemptus, Latirus contemptus A. Adams, 1854 - syn of: Orania ficula (L.A. Reeve, 1848) - (FASCIOLARIIDAE)
- contemta, Bythinella contemta Š. Brusina, 1897 † - (BYTHINELLIDAE) (FOSSIL)
- contensis, Cernuella contensis E. Caziot, 1910 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- contenta, Succinea contenta T. Iredale, 1939 - (SUCCINEIDAE)
- contentiosa, Gongylostomella contentiosa (R. Arango, 1884) - (UROCOPTIDAE)
- contermina, Ceratopoma contermina (W. Kobelt, 1884) - (HELICINIDAE)
- contermina, Xeromagna contermina (L. Pfeiffer, 1848) - (HYGROMIIDAE)
- contermina, Mitra contermina T. Iredale, 1936 - syn of: Mitra carbonaria contermina T. Iredale, 1936 - (MITRIDAE)
- contermina, Mitra carbonaria contermina T. Iredale, 1936 - (MITRIDAE)
- conterminus, Fusus conterminus T. Iredale, 1925 - syn of: Cumia schoutanica (W.L. May, 1910) - (FASCIOLARIIDAE)
- contexta, Bucanospira contexta J. Perner, 1903 † - (CRASPEDOSTOMATIDAE) (FOSSIL)
- contexta, Amaea contexta H. DuShane, 1970 - (EPITONIIDAE)
- contexta, Cyclonema contexta J. Perner, 1903 † - syn of: Strophostylus cancellata (J.W. Hall, 1847 †) - (PLATYCERATIDAE) (FOSSIL)
- contexta, Chemnitzia contexta (H.A. Pilsbry & Johnson, 1917 †) - (PYRAMIDELLIDAE) (FOSSIL)
- contextum, Calliostoma contextum G. Seguenza, 1885 † - (CALLIOSTOMATIDAE) (FOSSIL)
- contextus, Heliacus contextus (L. Seguenza, 1903) - (ARCHITECTONICIDAE)
- contiae, Cerkesia contiae Monari, 2003 † - (LUCINIDAE) (FOSSIL)
- contiae, Cosmocerithium contiae A.V. Guzhov, 2002 † - (PROCERITHIIDAE) (FOSSIL)
- Conticosta, Genus Conticosta C.F. Laseron, 1954 (PSEUDOMELATOMIDAE)
- contigua, Carditamera contigua (P. Dautzenberg, 1910) - (CARDITIDAE)
- contigua, Cerithiopsis contigua T.A. de M. Monterosato, 1878 - (CERITHIOPSIDAE)
- contigua, Zemitrella contigua A.W.B. Powell, 1940 - (COLUMBELLIDAE)
- contigua, Pachystrophia contigua (Ulrich & Scofield, 1897 †) - (HOLOPEIDAE) (FOSSIL)
- contigua, Melanopsis vindobonensis contigua Handmann, 1887 † - (MELANOPSIDAE) (FOSSIL)
- contigua, Goniobasis contigua I. Lea - (PLEUROCERIDAE)
- contigua, Pleurotomella contigua (Powell, 1944 †) - (RAPHITOMIDAE) (FOSSIL)
- contigua, Raphitoma contigua (T.A. de M. Monterosato, 1884) - (RAPHITOMIDAE)
- contigua, Philbertia contigua T.A. de M. Monterosato, 1884 - syn of: Raphitoma contigua (T.A. de M. Monterosato, 1884) - (RAPHITOMIDAE)
- contigua, Attenuata contigua (A.W.B. Powell, 1940) - (RISSOIDAE)
- contigua, Nobolira contigua A.W.B. Powell, 1940 - syn of: Attenuata contigua (A.W.B. Powell, 1940) - (RISSOIDAE)
- contigua, Brookula contigua A.W.B. Powell, 1940 - (SEGUENZIOIDEA (UNASSIGNED))
- contigua, Terebra contigua W.H. Pease, 1871 - syn of: Strioterebrum plumbeum (J.R.C. Quoy & J.P. Gaimard, 1833) - (TEREBRIDAE)
- contigua, Melania contigua W.H. Pease - syn of: Melania indefinita H.C. Lea & I. Lea, 1851 - (THIARIDAE)
- contigua, Trochomorpha contigua H.B. Baker, 1941 - (TROCHOMORPHIDAE)
- contigua, Unedogemmula contigua (G.B. Brocchi, 1814 †) - (TURRIDAE) (FOSSIL)
- contiguum, Ebbighausenites contiguum (G.G. Münster, 1832 †) - (POSTTORNOCERATIDAE) (FOSSIL)
- contiguum posthumum, Sporadoceras contiguum posthumum Wedekind, 1918 † - syn of: Posttornoceras posthumum (Wedekind, 1918 †) - (SPORADOCERATIDAE) (FOSSIL)
- contiguus, Goniatites contiguus Münster, 1832 † - (GONIATITIDAE) (FOSSIL)
- contiguus, Goniatites contiguus G.G. Münster, 1832 † - syn of: Ebbighausenites contiguum (G.G. Münster, 1832 †) - (GONIATITIDAE) (FOSSIL)
- contiguus, Ecculiomphalus contiguus Ulrich & Scofield, 1897 † - syn of: Pachystrophia contigua (Ulrich & Scofield, 1897 †) - (OPHILETIDAE) (FOSSIL)
- contiguus, Ecculiomphalus contiguus Ulrich & Scofield, 1897 † - syn of: Pachystrophia contigua (Ulrich & Scofield, 1897 †) - (OPHILETIDAE) (FOSSIL)
- contiguus, Unio contiguus I. Lea, 1862 - syn of: Villosa lienosa (T.A. Conrad, 1834) - (UNIONIDAE)
- contiguus, Viviparus contiguus (Stefanescu, 1896 †) - (VIVIPARIDAE) (FOSSIL)
- contii, Katosira contii Fischer & al., 2002 † - (SETTSASSIIDAE) (FOSSIL)
- continens, Caecum continens J. van der Linden & R.G. Moolenbeek, 2000 - (CAECIDAE)
- continens, Joculator continens C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- continens, Contradusta walkeri continens (T. Iredale, 1935) - (CYPRAEIDAE)
- continens, Geminula continens (O.W. Von Rosen, 1892) - (ENIDAE)
- continens, Epitonium continens (J.C. Melvill & R. Standen, 1903) - (EPITONIIDAE)
- continens, Coriophora continens (C.F. Laseron, 1958) - (TRIPHORIDAE)
- continens, Triphora continens (C.F. Laseron, 1958) - syn of: Coriophora continens (C.F. Laseron, 1958) - (TRIPHORIDAE)
- continentalis, Lanzaia continentalis F. Nordsieck, 1974 - syn of: Talassia dagueneti (L. de Folin, 1873) - (HYDROBIIDAE)
- continentalis, Gudeodiscus pulvinaris continentalis (O.F. von Möllendorff, 1885) - (PLECTOPYLIDAE)
- continentalis, Auriconoba continentalis F. Nordsieck, 1974 - syn of: Talassia dagueneti (L. de Folin, 1873) - (RISSOIDAE)
- continentalis, Alvania hispidula continentalis F. Nordsieck, 1972 - (RISSOIDAE)
- continentalis, Nodularia continentalis F. Haas, 1910 - syn of: Inversidens pantoensis (M. von Neumayr, 1899) - (UNIONIDAE)
- continentalis, Filopaludina javanica continentalis R.A.M. Brandt, 1974 - (VIVIPARIDAE)
- continentis, Haplotrema continentis H.B. Baker, 1930 - (HAPLOTREMATIDAE)
- continua, Isomeria continua (L.A. Reeve, 1854) - (CAMAENIDAE)
- continua, Dendroconus betulinus continua L. Bozzetti, 2010 - (CONIDAE)
- continua, Drillia continua J.C. Melvill & R. Standen, 1903 - (DRILLIIDAE)
- continua, Troschelviana continua (J. Gundlach in L. Pfeiffer, 1858) - (HELICINIDAE)
- continua, Scalpomactra continua Finlay, 1930 † - (MACTRIDAE) (FOSSIL)
- continua, Impages continua (G.P. Deshayes, 1859) - (TEREBRIDAE)
- continua, Terebra continua G.P. Deshayes, 1859 - syn of: Impages continua (G.P. Deshayes, 1859) - (TEREBRIDAE)
- continuatum, Epitonium continuatum I.M. Oldroyd, 1925 - syn of: Epitonium linctum (M.E.A. de Boury & T.A. de M. Monterosato, 1890) - (EPITONIIDAE)
- Continuconus, Genus Continuconus J.K. Tucker & M.J. Tenorio, 2013 (CONIDAE)
- contorquata, Epitonium contorquata W.H. Dall, 1889 - syn of: Epitonium krebsii (O.A.L. Mörch, 1875) - (EPITONIIDAE)
- contorquatum, Epitonium contorquatum W.H. Dall, 1889 - syn of: Epitonium krebsii (O.A.L. Mörch, 1875) - (EPITONIIDAE)
- contorta, Megalomphala contorta (d''Eichwald, 1856 †) - (BUCANIIDAE) (FOSSIL)
- contorta, Neptunea antiqua contorta (J.G. Jeffreys, 1867) - (BUCCINIDAE)
- contorta, Calyptraea contorta P.P. Carpenter, 1865 - (CALYPTRAEIDAE)
- contorta, Crepidula contorta J.R.C. Quoy & J.P. Gaimard, 1832 - syn of: Maoricrypta monoxyla (R.P. Lesson, 1831) - (CALYPTRAEIDAE)
- contorta, Cancellaria contorta (B. de Basterot, 1825 †) - (CANCELLARIIDAE) (FOSSIL)
- contorta, Stigmatica contorta M. Paulucci, 1879 - syn of: Siciliaria kobeltiana H.C. Küster, 1876 - (CLAUSILIIDAE)
- contorta, Turricula contorta G. Perry, 1811 - syn of: Turricula javana (C. Linnaeus, 1767) - (CLAVATULIDAE)
- contorta, Vanuxemia contorta (Portlock) † - (CYRTODONTIDAE) (FOSSIL)
- contorta, Cookeconcha contorta (A.E.J. Férussac, 1825) - (ENDODONTIDAE)
- contorta, Exogyra contorta K.E.I. von Eichwald, 1868 † - (GRYPHAEIDAE) (FOSSIL)
- contorta, Helix contorta C. Linnaeus, 1758 - syn of: Bathyomphalus contortus (C. Linnaeus, 1758) - (HELICIDAE)
- contorta, Helix contorta E.A. Rossmässler, 1838 - syn of: Lindholmiola girva (I. Frivaldszky, 1835) - (HELICIDAE)
- Contorta, syn of: Genus Drepanostoma C. Porro, 1836 (HELICODONTIDAE)
- contorta, Janthina contorta P.P. Carpenter, 1857 - syn of: Janthina janthina (C. Linnaeus, 1758) - (JANTHINIDAE)
- contorta, Limacina contorta E.R. Sykes, 1905 - syn of: Limacina trochiformis (A.V.M.D. D'Orbigny, 1834) - (LIMACINIDAE)
- contorta, Eomiltha contorta (J.L.M. Defrance, 1823 †) - (LUCINIDAE) (FOSSIL)
- contorta, Lymnaea contorta G. Servain, 1881 - syn of: Stagnicola palustris (O.F. Müller, 1774) - (LYMNAEIDAE)
- contorta, Braunsina contorta Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- contorta, Nerita contorta O.F. Müller, 1774 - syn of: Cincinna contorta (O.F. Müller, 1774) - (NERITIDAE)
- contorta, Talochlamys contorta H.H. Dijkstra, 1993 - (PECTINIDAE)
- contorta, Vitrea contorta F. Held, 1837 - syn of: Vitrea diaphana (S.E. Studer, 1820) - (PRISTILOMATIDAE)
- contorta, Prothyris contorta Whidborne, 1896 † - (PROTHYRIDAE) (FOSSIL)
- contorta, Avicula contorta Portlock, 1843 † - (PTERIIDAE) (FOSSIL)
- contorta, Rissoa contorta J.G. Jeffreys, 1856 - syn of: Nodulus contortus (J.G. Jeffreys, 1856) - (RISSOIDAE)
- contorta, Spiraxis contorta E. Chitty, 1853 - syn of: Spiraxis adamsianus L. Pfeiffer, 1852 - (SPIRAXIDAE)
- contorta, Succinea contorta C.B. Adams, 1845 - (SUCCINEIDAE)
- contorta, Vermicularia contorta Blake † - (TURRITELLIDAE) (FOSSIL)
- contorta, Burtonia contorta J.R. Bourguignat, 1886 - syn of: Pseudospatha tanganyicensis (E.A. Smith, 1880) - (UNIONIDAE)
- contorta, Arconaia contorta I. Lea, 1857 - syn of: Arconaia lanceolata (I. Lea, 1856) - (UNIONIDAE)
- contorta, Anodonta contorta T. Brown, 1844 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- contorta, Cincinna contorta (O.F. Müller, 1774) - (VALVATIDAE)
- contorta elata, Rissoa contorta elata M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Nodulus contortus (J.G. Jeffreys, 1856) - (RISSOIDAE)
- contorta gelriana, Cancellaria contorta gelriana A.W. Janssen, 1972 † - (CANCELLARIIDAE) (FOSSIL)
- contorta lactea, Rissoa contorta lactea M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Nodulus contortus (J.G. Jeffreys, 1856) - (RISSOIDAE)
- contorta rufa, Rissoa contorta rufa M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Nodulus contortus (J.G. Jeffreys, 1856) - (RISSOIDAE)
- contorta trochoidea, Valvata contorta trochoidea K.T. Menke, 1846 - syn of: Valvata trochoidea K.T. Menke, 1846 - (VALVATIDAE)
- contorta varicosa, Rissoa contorta varicosa M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884 - syn of: Nodulus contortus (J.G. Jeffreys, 1856) - (RISSOIDAE)
- Contortella, Genus Contortella Pchelintsev, 1965 (NERINELLIDAE) (FOSSIL)
- Contortia, syn of: Genus Merica H. Adams & A. Adams, 1854 (CANCELLARIIDAE)
- contortrix, Boreoelona contortrix (W.A. Lindholm, 1909) - (BITHYNIIDAE)
- contortula, Clathurella contortula G. Nevill & H. Nevill, 1875 - (CLATHURELLIDAE)
- contortula, Helix contortula I. Krynicki, 1837 - syn of: Vitrea contortula (I. Krynicki, 1837) - (HELICIDAE)
- contortula, Gibbolucina contortula (G.P. Deshayes, 1857 †) - (LUCINIDAE) (FOSSIL)
- contortula, Austromactra contortula (G.P. Deshayes, 1857 †) - (MACTRIDAE) (FOSSIL)
- contortula, Vitrea contortula (I. Krynicki, 1837) - (PRISTILOMATIDAE)
- contortula, Oxyloma contortula A.A. Baudon, 1877 - syn of: Oxyloma elegans (A. Risso, 1826) - (SUCCINEIDAE)
- contortula, Retinella contortula (I. Krynicki, 1836) - (ZONITIDAE)
- contortulus, Phacoides contortulus Author unknown † - (LUCINIDAE) (FOSSIL)
- contortum, Cerithium contortum Eudes-Deslongchamps, 1842 † - syn of: Pseudocerithium contortum (Eudes-Deslongchamps, 1842 †) - (CERITHIIDAE) (FOSSIL)
- contortum, Toxosoma contortum Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- contortum, Pseudocerithium contortum (Eudes-Deslongchamps, 1842 †) - (CRYPTAULACIDAE) (FOSSIL)
- contortum, Platyceras contortum Barrois, 1889 † - (PLATYCERATIDAE) (FOSSIL)
- contortum, Pisidium contortum T. Prime, 1858 - syn of: Pisidium nitidum L. Jenyns, 1832 - (SPHAERIIDAE)
- contortuplicata, Olivancillaria contortuplicata (L.A. Reeve, 1850) - (OLIVIDAE)
- contortuplicatus, Thaumastus contortuplicatus (L.A. Reeve, 1850) - (MEGASPIRIDAE)
- contortuplicatus, Strophocheilus contortuplicatus (L.A. Reeve, 1850) - (STROPHOCHEILIDAE)
- contortus, Badepigrus contortus (C. Hedley, 1907) - (ANABATHRIDAE)
- contortus, Nodulus contortus (J.G. Jeffreys, 1856) - (ANABATHRIDAE)
- contortus, Bellerophon contortus d'Eichwald, 1856 † - (BELLEROPHONTIDAE) (FOSSIL)
- contortus, Capulus contortus A. Römer, 1843 † - syn of: Platyceras contortus (A. Römer, 1843 †) - (CAPULIDAE) (FOSSIL)
- contortus, Letomola contortus (C. Hedley, 1924) - (CHAROPIDAE)
- contortus, Bathyomphalus contortus (C. Linnaeus, 1758) - (PLANORBIDAE)
- contortus, Bathyomphalus contortus W.A. Lindholm, 1909 - syn of: Anisus crassus (E.M. Da Costa, 1778) - (PLANORBIDAE)
- contortus, Bulinus contortus A. Michaud, 1829 - syn of: Bulinus truncatus (J.V. Audouin, 1827) - (PLANORBIDAE)
- contortus, Platyceras contortus (A. Römer, 1843 †) - (PLATYCERATIDAE) (FOSSIL)
- contortus, Gymnarus contortus (E. Forbes, 1846 ex Sowerby MS †) - (PUGNELLIDAE) (FOSSIL)
- contortus, Strombus contortus E. Forbes, 1846 ex Sowerby MS † - syn of: Gymnarus contortus (E. Forbes, 1846 ex Sowerby MS †) - (STROMBIDAE) (FOSSIL)
- contortus, Thylaeodus contortus (P.P. Carpenter, 1857) - (VERMETIDAE)
- contortus, Vermetus contortus P.P. Carpenter, 1857 - syn of: Thylaeodus contortus (P.P. Carpenter, 1857) - (VERMETIDAE)
- contortus conjungens, Unio contortus conjungens P.M. Heude, 1877 - syn of: Arconaia lanceolata (I. Lea, 1856) - (UNIONIDAE)
- contortus elatus, Nodulus contortus elatus M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 - (ANABATHRIDAE)
- contortus intortus, Nodulus contortus intortus T.A. de M. Monterosato, 1878 - (ANABATHRIDAE)
- contortus labiatus, Planorbis contortus labiatus C.A. Westerlund, 1875 - syn of: Anisus agardhi Y.I. Starobogatov in L.A. Prozorova, 2003 - (PLANORBIDAE)
- contortus muticus, Unio contortus muticus P.M. Heude, 1877 - syn of: Arconaia lanceolata (I. Lea, 1856) - (UNIONIDAE)
- contortus spondyloides, Planorbis contortus spondyloides C.D. Weinland, 1883 - syn of: Anisus spondyloides (C.D. Weinland, 1883) - (PLANORBIDAE)
- contortus turritus, Nodulus contortus turritus M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1883 - (ANABATHRIDAE)
- contoyensis, Oliva contoyensis E.J. Petuch, 1988 - (OLIVIDAE)
- contoyensis, Scaphella contoyensis W.K. Emerson & W.E. Old, 1979 - (VOLUTIDAE)
- contra, Leiostyla contra J.R. Bourguignat, 1864 - syn of: Leiostyla anglica (W. Wood, 1828) - (LAURIIDAE)
- Contraconus, Genus Contraconus Olsson & Harbison, 1953 (CONIDAE) (FOSSIL)
- contracostae, Helminthoglypta contracostae H.A. Pilsbry, 1895 - (HELMINTHOGLYPTIDAE)
- contracostana, Chrysallis caniceps contracostana P. Bartsch, 1932 - (BRADYBAENIDAE)
- contracta, Cochlostyla cuyoensis contracta W. Kobelt, 1911 - (BRADYBAENIDAE)
- contracta, Nassicola contracta (Finlay, 1926 †) - (BUCCINIDAE) (FOSSIL)
- contracta, Clivipollia contracta (L.A. Reeve, 1846) - (BUCCINIDAE)
- contracta, Engina contracta L.A. Reeve, 1846 - syn of: Clivipollia contracta (L.A. Reeve, 1846) - (BUCCINIDAE)
- contracta, Amphidromus entobaptus contracta O.F. von Möllendorff, 1896 - (CAMAENIDAE)
- contracta, Texmelanatria contracta Garvie, 2013 † - (CERITHIIDAE) (FOSSIL)
- contracta, Paraclathurella contracta L.A. Reeve, 1843 - syn of: Paraclathurella gracilenta (L.A. Reeve, 1843) - (CLATHURELLIDAE)
- contracta, Medora contracta (E.A. Rossmässler, 1842) - (CLAUSILIIDAE)
- contracta, Caryocorbula contracta (T. Say, 1822) - (CORBULIDAE)
- contracta, Corbula contracta T. Say, 1822 - syn of: Caryocorbula contracta (T. Say, 1822) - (CORBULIDAE)
- contracta, Tancrediopsis contracta (Salter, 1859 †) - (CTENODONTIDAE) (FOSSIL)
- contracta, Cuspidaria contracta (J.G. Jeffreys, 1882) - (CUSPIDARIIDAE)
- contracta, Cypricardinia contracta Girty, 1909 † - (CYPRICARDINIIDAE) (FOSSIL)
- contracta, Diplommatina contracta O.F. von Möllendorff, 1886 - (DIPLOMMATINIDAE)
- contracta, Kylix contracta J.H. McLean & L.H. Poorman, 1971 - (DRILLIIDAE)
- contracta, Fenimorea contracta P.J. Fallon, 2016 - (DRILLIIDAE)
- contracta, Eulima contracta C.G. Semper, 1874 - syn of: Parvioris inflexa (W.H. Pease, 1867) - (EULIMIDAE)
- contracta, Eulima contracta J.D.E. Schmeltz, 1874 - syn of: Parvioris inflexa (W.H. Pease, 1867) - (EULIMIDAE)
- contracta, Gastrocopta contracta (T. Say, 1822) - (GASTROCOPTIDAE)
- contracta, Peringia contracta A.E.M. Cossmann, 1888 † - (HYDROBIIDAE) (FOSSIL)
- contracta, Discula contracta T.D.A. Cockerell, 1922 - syn of: Discula attrita (R.T. Lowe, 1831) - (HYGROMIIDAE)
- contracta, Lucinoma contracta (T. Say, 1824 †) - (LUCINIDAE) (FOSSIL)
- contracta, Stagnicola contracta A. Currier, 1881 - (LYMNAEIDAE)
- contracta, Egouena contracta T.A. Conrad, 1868 † - syn of: Prunum contractum (T.A. Conrad, 1868 †) - (MARGINELLIDAE) (FOSSIL)
- contracta, Nebularia contracta (W.J. Swainson, 1820) - (MITRIDAE)
- contracta, Mitra contracta L.C. Kiener, 1838 - syn of: Nebularia chrysostoma (W.J. Broderip, 1836) - (MITRIDAE)
- contracta, Ergalatax contracta (L.A. Reeve, 1846) - (MURICIDAE)
- contracta, Ricinula contracta L.A. Reeve, 1846 - syn of: Clivipollia contracta (L.A. Reeve, 1846) - (MURICIDAE)
- contracta, Crassostrea contracta (T.A. Conrad, 1865 †) - (OSTREIDAE) (FOSSIL)
- contracta, Vitrea contracta (C.A. Westerlund, 1871) - (PRISTILOMATIDAE)
- contracta, Medfracaulus contracta (J. Perner, 1907 †) - (PTYCHOCAULIDAE) (FOSSIL)
- contracta, Elusa contracta (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- contracta, Chemnitzia contracta K.C. Schauroth, 1865 - (PYRAMIDELLIDAE)
- contracta, Tropaeas contracta E. Saurin, 1959 - syn of: Elusa contracta (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- contracta, Turbonilla contracta S. Nomura, 1938 - syn of: Turbonilla nomurai S. Nomura, 1938 - (PYRAMIDELLIDAE)
- contracta, Odostomia defolinia contracta (L. de Folin, 1872) - (PYRAMIDELLIDAE)
- contracta, Terebra contracta (E.A. Smith, 1873) - (TEREBRIDAE)
- contracta, Vitrinella contracta (E.G. Vanatta, 1913) - (TORNIDAE)
- contracta, Turritella contracta Sowerby, 1850 † - (TURRITELLIDAE) (FOSSIL)
- contracta, Dosinia contracta (R.A. Philippi, 1844) - (VENERIDAE)
- contracta, Bellamya contracta F. Haas, 1934 - (VIVIPARIDAE)
- contracta, Retinella contracta C.A. Westerlund, 1871 - syn of: Vitrea contracta (C.A. Westerlund, 1871) - (ZONITIDAE)
- contracta atelesta, Medora contracta atelesta (A.J. Wagner, 1912) - (CLAUSILIIDAE)
- contracta seriola, Medora contracta seriola (C.A. Westerlund, 1884) - (CLAUSILIIDAE)
- Contractenus, Genus Contractenus Lysahenko, 1959 (VOLYNITIDAE) (FOSSIL)
- contractiva, Camaena contractiva (J.F. Mabille, 1889) - (CAMAENIDAE)
- contractiva, Helix contractiva J.F. Mabille, 1889 - syn of: Camaena contractiva (J.F. Mabille, 1889) - (HELICIDAE)
- contractum, Agathiceras contractum Plummer & P.H. Scott, 1937 † - (AGATHICERATIDAE) (FOSSIL)
- contractum, Naedyceras contractum Flower, 1945 † - (BREVICOCERATIDAE) (FOSSIL)
- contractum, Meioceras contractum L. de Folin, 1874 - syn of: Meioceras nitidum (W. Stimpson, 1851) - (CAECIDAE)
- contractum, Caecum contractum L. de Folin, 1870 - syn of: Caecum bipartitum L. de Folin, 1870 - (CAECIDAE)
- contractum, Cerithium contractum G.B. II Sowerby, 1855 - syn of: Colina pinguis (A. Adams, 1855) - (CERITHIIDAE)
- contractum, Colina contractum G.B. II Sowerby, 1855 - syn of: Colina pinguis (A. Adams, 1855) - (CERITHIIDAE)
- contractum, Cyrtogomphoceras contractum Foerste, 1935 † - (CYRTOGOMPHOCERATIDAE) (FOSSIL)
- contractum, Levisoceras contractum Flower, 1964 † - (ELLESMEROCERATIDAE) (FOSSIL)
- contractum, Scutus contractum A.E.M. Cossmann, 1903 † - (FISSURELLIDAE) (FOSSIL)
- contractum, Cancelloceras contractum Ruzhencev & Bogoslovskaya, 1978 † - (GASTRIOCERATIDAE) (FOSSIL)
- contractum, Manticoceras contractum (A.H. Clarke, 1898 †) - (GEPHUROCERATIDAE) (FOSSIL)
- contractum, Prunum contractum (T.A. Conrad, 1868 †) - (MARGINELLIDAE) (FOSSIL)
- contractum, Neumatoceras contractum (Foerste & Savage, 1927 †) - (ONCOCERATIDAE) (FOSSIL)
- contractum, Tornoceras contractum Glenister, 1958 † - (TORNOCERATIDAE) (FOSSIL)
- contractum, Broeggeroceras contractum Sweet, 1958 † - (WESTONOCERATIDAE) (FOSSIL)
- contractum, Westonoceras contractum Foerste & Savage, 1927 † - syn of: Neumatoceras contractum (Foerste & Savage, 1927 †) - (WESTONOCERATIDAE) (FOSSIL)
- contractus, Chiton contractus L.A. Reeve, 1847 - syn of: Ischnochiton contractus (L.A. Reeve, 1847) - (CHITONIDAE)
- contractus, Columbites contractus H. Guo, 1982 † - (COLUMBITIDAE) (FOSSIL)
- contractus, Pupinidius obrutschewi contractus (O.F. von Möllendorff, 1901) - (ENIDAE)
- contractus, Eoschizodus contractus (J.W. Hall †) - (EOSCHIZODIDAE) (FOSSIL)
- contractus, Ischnochiton contractus (L.A. Reeve, 1847) - (ISCHNOCHITONIDAE)
- contractus, Juvavites contractus Wang & He, 1976 † - (JUVAVITIDAE) (FOSSIL)
- contractus, Nannites contractus Smith, 1914 † - syn of: Thanamites contractus (Smith, 1914 †) - (NANNITIDAE) (FOSSIL)
- contractus, Otoites contractus (J. de C. Sowerby, 1825 †) - (OTOITIDAE) (FOSSIL)
- contractus, Gyraulus arminiensis contractus E. Jekelius, 1932 † - (PLANORBIDAE) (FOSSIL)
- contractus, Pseudozygopleura contractus Hoare & Sturgeon, 1981 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- contractus, Spirostylus contractus E.A.L. Kittl, 1894 † - (SPIROSTYLIDAE) (FOSSIL)
- contractus, Thanamites contractus (Smith, 1914 †) - (THANAMITIDAE) (FOSSIL)
- contractus, Solariorbis contractus E.G. Vanatta, 1913 - syn of: Vitrinella contracta (E.G. Vanatta, 1913) - (TORNIDAE)
- contractus, Trocholites contractus Schroeder, 1891 † - (TROCHOLITIDAE) (FOSSIL)
- contractus, Haustator contractus Sowerby, 1850 † - syn of: Turritella contracta Sowerby, 1850 † - (TURRITELLIDAE) (FOSSIL)
- contractus, Unio contractus I. Lea, 1857 - syn of: Unio abbevillensis I. Lea, 1857 - (UNIONIDAE)
- contractus spaniopleurus, Otoites contractus spaniopleurus Westermann † - (OTOITIDAE) (FOSSIL)
- Contradens, Genus Contradens F. Haas, 1913 (UNIONIDAE)
- contradens, Contradens contradens (I. Lea, 1838) - (UNIONIDAE)
- contradens ascia, Contradens contradens ascia (S.C.T. Hanley, 1856) - (UNIONIDAE)
- contradens crossei, Contradens contradens crossei (G.P. Deshayes, 1876) - (UNIONIDAE)
- contradens fischerianus, Contradens contradens fischerianus (L.J. Morlet, 1883) - (UNIONIDAE)
- contradens lugens, Contradens contradens lugens (H. Drouët & M.A. Chaper, 1892) - (UNIONIDAE)
- contradens rustica, Contradens contradens rustica (I. Lea, 1856) - (UNIONIDAE)
- contradens rusticoides, Contradens contradens rusticoides R.A.M. Brandt, 1974 - (UNIONIDAE)
- contradens tumidula, Contradens contradens tumidula (I. Lea, 1856) - (UNIONIDAE)
- Contradusta, Genus Contradusta C. Meyer, 2003 (CYPRAEIDAE)
- Contraforis, syn of: Genus Mastoniaeforis F.P. Jousseaume, 1884 (TRIPHORIDAE)
- contrahens, Emileia contrahens Buckman, 1927 † - (OTOITIDAE) (FOSSIL)
- Contramelon, syn of: Genus Meracomelon T. Iredale, 1933 (CAMAENIDAE)
- contrapupa, Cerithiopsis contrapupa G.W. Nowell-Usticke, 1969 - (CERITHIOPSIDAE)
- contraria, Arca contraria L.A. Reeve, 1844 - syn of: Eontia ponderosa (T. Say, 1822) - (ARCIDAE)
- contraria, Neptunea contraria (C. Linnaeus, 1771) - (BUCCINIDAE)
- contraria, Buccinum contraria T.A. Conrad, 1840 - syn of: Busycon contrarium T.A. Conrad, 1840 - (BUCCINIDAE)
- contraria, Albinaria brevicollis contraria A. Fuchs & F. Käufel, 1936 - (CLAUSILIIDAE)
- contraria, Crassatina contraria (J.F. Gmelin, 1791) - (CRASSATELLIDAE)
- contraria, Zoila thersites contraria T. Iredale, 1935 - (CYPRAEIDAE)
- contraria, Promathildia contraria (Böhm, 1895 †) - (GORDENELLIDAE) (FOSSIL)
- contraria, Cimomia contraria Garvie, 2013 † - (HERCOGLOSSIDAE) (FOSSIL)
- contraria, Holopella contraria J. Perner, 1903 † - (LOXONEMATIDAE) (FOSSIL)
- contraria, Austromactra contraria (L.A. Reeve, 1854) - (MACTRIDAE)
- contraria, Mactra contraria L.A. Reeve, 1854 - syn of: Austromactra contraria (L.A. Reeve, 1854) - (MACTRIDAE)
- contraria, Curtitoma contraria A. Bonfitto & M. Morassi, 2012 - (MANGELIIDAE)
- contraria, Schileykula trapezensis contraria E. Neubert, 1993 - (ORCULIDAE)
- contraria, Pleurotomaria contraria de Koninck, 1844 † - syn of: Hesperiella contraria (de Koninck, 1844 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- contraria, Hesperiella contraria (de Koninck, 1844 †) - (PORCELLIIDAE) (FOSSIL)
- contraria, Heteroglypta contraria (G.P. Deshayes in L. Maillard, 1863) - (PSAMMOBIIDAE)
- contraria, Psammobia contraria G.P. Deshayes in L. Maillard, 1863 - syn of: Heteroglypta contraria (G.P. Deshayes in L. Maillard, 1863) - (PSAMMOBIIDAE)
- contraria, Antiplanes contraria M. Yokoyama, 1926 - syn of: Antiplanes vinosa (W.H. Dall, 1874) - (PSEUDOMELATOMIDAE)
- contraria, Tretospira contraria Böhm, 1895 † - syn of: Promathildia contraria (Böhm, 1895 †) - (PURPURINIDAE) (FOSSIL)
- contraria, Papyrotheca contraria Š. Brusina, 1893 † - (SUCCINEIDAE) (FOSSIL)
- contraria, Pleurotoma contraria M. Yokoyama, 1926 - syn of: Antiplanes vinosa (W.H. Dall, 1874) - (TURRIDAE)
- contraria, Venus contraria J.F. Gmelin, 1791 - syn of: Crassatina contraria (J.F. Gmelin, 1791) - (VENERIDAE)
- contraria coccinea, Crassatella contraria coccinea P. Dautzenberg, 1891 - syn of: Crassatina contraria (J.F. Gmelin, 1791) - (CRASSATELLIDAE)
- contraria nipponica, Heteroglypta contraria nipponica J.T. Kuroda - (PSAMMOBIIDAE)
- contrarium, Busycon contrarium T.A. Conrad, 1840 - (BUSYCONIDAE)
- contrarium, Gomphoceras contrarium Barrande, 1865 † - syn of: Cinctoceras contrarium (Barrande, 1865 †) - (DIESTOCERATIDAE) (FOSSIL)
- contrarium, Brochidium contrarium (A. Braun, 1841 †) - (LIOTIIDAE) (FOSSIL)
- contrarium, Cinctoceras contrarium (Barrande, 1865 †) - (MANDALOCERATIDAE) (FOSSIL)
- contrarium, Nordophiceras contrarium A.M. Popov, 1962 † - (MEEKOCERATIDAE) (FOSSIL)
- contrarium, Onychochilus contrarium (Lindström, 1884 †) - (ONYCHOCHILIDAE) (FOSSIL)
- contrarium, Oriostoma contrarium Lindström, 1884 † - syn of: Onychochilus contrarium (Lindström, 1884 †) - (ORIOSTOMATIDAE) (FOSSIL)
- contrarium, Epistrenoceras contrarium (A.V.M.D. D'Orbigny, 1846 †) - (PARKINSONIIDAE) (FOSSIL)
- contrarius, Antistreptus contrarius (K.H.J. Thiele, 1912) - (BUCCINIDAE)
- contrarius, Amphidromus contrarius (O.F. Müller, 1774) - (CAMAENIDAE)
- contrarius, Euomphalus contrarius A. Braun, 1841 † - syn of: Brochidium contrarium (A. Braun, 1841 †) - (EUOMPHALIDAE) (FOSSIL)
- contrarius, Loripes contrarius (R.W. Dunker, 1846) - (LUCINIDAE)
- contrarius, Murex contrarius C. Linnaeus, 1771 - syn of: Neptunea contraria (C. Linnaeus, 1771) - (MURICIDAE)
- contrarius, Pupoides contrarius E.A. Smith, 1894 - (PUPILLIDAE)
- contrarius, Triadosinister contrarius (Zardini, 1978 †) - (SETTSASSIIDAE) (FOSSIL)
- contrarius, Spondylus contrarius H.E. Anton, 1838 - syn of: Spondylus gaederopus C. Linnaeus, 1758 - (SPONDYLIDAE)
- contrarius concolour, Amphidromus contrarius concolour E.C. Von Martens - (CAMAENIDAE)
- contrarius hanieli, Amphidromus contrarius hanieli B. Rensch, 1931 - (CAMAENIDAE)
- contrarius nikiensis, Amphidromus contrarius nikiensis B. Rensch, 1931 - (CAMAENIDAE)
- contrarius suspectus, Amphidromus contrarius suspectus (E.C. Von Martens, 1864) - (CAMAENIDAE)
- Contrasimnia, Genus Contrasimnia F.Jr. Lorenz & D. Fehse, 2009 (OVULIDAE)
- Contraspira, Genus Contraspira Mitchell, 2009 (RADIOLITIDAE) (FOSSIL)
- contrastans, Myoplusia contrastans (Barrande, 1881 †) - (MALLETIIDAE) (FOSSIL)
- contrastriata, Arestorides argus contrastriata (G. Perry, 1811) - (CYPRAEIDAE)
- contrastriata rariocellata, Arestorides argus contrastriata rariocellata (L. Raybaudi Massilia) - (CYPRAEIDAE)
- contratius, Keletistes contratius (Dunker 1846) † - (LUCINIDAE) (FOSSIL)
- Contraxiala, Genus Contraxiala C.F. Laseron, 1956 (PYRAMIDELLIDAE)
- contrcurvispinus, Staffites contrcurvispinus Sobolew, 1914 † - (CHEILOCERATIDAE) (FOSSIL)
- contrerasi, Tryonia contrerasi R. Hershler, H.P. Liu & J.J. Landye, 2011 - (COCHLIOPIDAE)
- contrerasi, Epitonium contrerasi W.H. Dall, 1917 - syn of: Epitonium hindsii (P.P. Carpenter, 1856) - (EPITONIIDAE)
- contrerasi, Epitonium contrerasi H.K. Jordan & L.G. Hertlein, 1926 - syn of: Epitonium hindsii (P.P. Carpenter, 1856) - (EPITONIIDAE)
- contrerasi, Pierosoma contrerasi (H.A. Pilsbry, 1920) - (PLANORBIDAE)
- contrerasi, Odostomia contrerasi F.C. Baker, G.D. Hanna & A.M. Strong, 1928 - (PYRAMIDELLIDAE)
- contrerasi, Rissoella contrerasi E. Rolán & J.M. Hernández, 2004 - (RISSOELLIDAE)
- contrerasi, Alvania contrerasi H.K. Jordan, 1909 - syn of: Lapsigyrus mutans (P.P. Carpenter, 1857) - (RISSOIDAE)
- contrerasi, Triphora contrerasi F. Baker, 1926 - (TRIPHORIDAE)
- contrerasiana, Turbonilla contrerasiana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- contrictum, Loxonema contrictum Böhm, 1895 † - (LOXONEMATIDAE) (FOSSIL)
- contritus, Unio contritus P.M. Heude, 1881 - syn of: Lamprotula caveata (P.M. Heude, 1877) - (UNIONIDAE)
- controversa, Luria controversa (J.E. Gray, 1824) - (CYPRAEIDAE)
- controversa, Erosaria controversa K.T. Menke, 1829 - syn of: Erosaria gangranosa (L.W. Dillwyn, 1817) - (CYPRAEIDAE)
- controversa, Belgrandia controversa R. Del Prete, 1879 - syn of: Belgrandia thermalis (C. Linnaeus, 1767) - (HYDROBIIDAE)
- controversa atriceps, Luria controversa atriceps F.A. Schilder & M. Schilder, 1938 - (CYPRAEIDAE)
- contrverneuili, Cheiloceras contrverneuili Sobolew, 1914 † - syn of: Raymondiceras verneuili G.G. Münster, 1839 † - (CHEILOCERATIDAE) (FOSSIL)
- Contumax, Subgenus Cerithium (Contumax) Hedley, 1899 (CERITHIIDAE) (FOSSIL)
- Contumax, syn of: Genus Cerithium J.G. Bruguiθre, 1789 (CERITHIIDAE)
- contundata, Streptaxis contundata (A.E.J. Férussac, 1821) - (STREPTAXIDAE)
- Conturbatia, Genus Conturbatia J. Gerlach, 2001 (STREPTAXIDAE)
- conturbatum, Ataxocerithium conturbatum T. Iredale, 1936 - syn of: Ataxocerithium serotinum (Adams, 1855) - (NEWTONIELLIDAE)
- contusa, Amalda contusa (L.A. Reeve, 1864) - (ANCILLARIIDAE)
- contusa, Protocardia contusa Healey 1908 † - (CARDIIDAE) (FOSSIL)
- contusa, Austrocypraea contusa (F. McCoy, 1877 †) - (CYPRAEIDAE) (FOSSIL)
- contusa, Eatoniella contusa H. Strebel, 1908 - (EATONIELLIDAE)
- contusa, Sonninia contusa Buckman † - (SONNINIIDAE) (FOSSIL)
- contusa, Dosinia contusa (L.A. Reeve, 1850) - (VENERIDAE)
- contusiformis, Mysticoncha contusiformis H. Basedow - syn of: Mysticoncha wilsonae (E.A. Smith, 1886) - (VELUTINIDAE)
- contusulus, Hypselartemon contusulus A.E.J. Férussac, 1821 - syn of: Streptaxis contusus (A.E.J. Férussac, 1821) - (STREPTAXIDAE)
- contusus, Conus contusus L.A. Reeve, 1848 - syn of: Pionoconus monachus (C. Linnaeus, 1758) - (CONIDAE)
- contusus, Donax contusus L.A. Reeve, 1854 - syn of: Donax culter S.C.T. Hanley, 1845 - (DONACIDAE)
- contusus, Streptaxis contusus (A.E.J. Férussac, 1821) - (STREPTAXIDAE)
- Conualevia, Genus Conualevia A.W. Collier & M. Farmer, 1964 (DORIDIDAE)
- Conuber, Genus Conuber H.J. Finlay & J. Marwick, 1937 (NATICIDAE)
- Conuginella, Genus Conuginella C.F. Laseron, 1957 (MARGINELLIDAE) (FOSSIL)
- conula, Aclis conula W.H. Dall, 1927 - (ACLIDIDAE)
- conula, Diastole conula W.H. Pease - (EUCONULIDAE)
- conula, Euconospira conula (J.W. Hall, 1856 †) - (GOSSELETINIDAE) (FOSSIL)
- conula, Murchisonia conula J.W. Hall, 1856 † - syn of: Euconospira conula (J.W. Hall, 1856 †) - (MURCHISONIIDAE) (FOSSIL)
- conula, Protoconchioides conula (Walcott, 1884 †) - (PROTOCONCHOIDIDAE) (FOSSIL)
- conula, Scenella conula Walcott, 1884 † - syn of: Protoconchioides conula (Walcott, 1884 †) - (SCENELLIDAE) (FOSSIL)
- conularioides, Hyolithes conularioides R. Tate, 1892 † - (HYOLITHIDAE) (FOSSIL)
- Conulariopsis, Genus Conulariopsis Sugiyama, 1942 (PINNIDAE)
- conularis, Imbricaria conularis (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- conularis, Euglandina candida conularis (L. Pfeiffer, 1855) - (SPIRAXIDAE)
- conularis, Venus conularis J.B.P.A. Lamarck, 1818 - syn of: Katelysia scalarina (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- Conulema, syn of: Genus Sitala H. Adams, 1865 (ARIOPHANTIDAE)
- conuliforme, Calliostoma conuliforme G. Seguenza, 1885 † - (CALLIOSTOMATIDAE) (FOSSIL)
- conulina, Trishoplita conulina (E.C. Von Martens, 1867) - (BRADYBAENIDAE)
- conulina, Gittenedouardia conulina (E.C. Von Martens, 1869) - (CERASTUIDAE)
- Conulinus, Genus Conulinus E.C. Von Martens, 1895 (CERASTUIDAE)
- conulinus, Rhachis conulinus E.C. Von Martens, 1878 - syn of: Edouardia sordidula (E.C. Von Martens, 1897) - (CERASTUIDAE)
- conuloide, Calliostoma conuloide J.B.P.A. Lamarck, 1822 - syn of: Calliostoma zizyphinum conuloides (J.B.P.A. Lamarck, 1822) - (CALLIOSTOMATIDAE)
- conuloidea, Caseolus conuloidea R.T. Lowe, 1855 - syn of: Caseolus abjectus (R.T. Lowe, 1851) - (HYGROMIIDAE)
- conuloidea, Retusa elongata conuloidea (S.V. Wood, 1851 ) † - (RETUSIDAE) (FOSSIL)
- conuloides, Calliostoma zizyphinum conuloides (J.B.P.A. Lamarck, 1822) - (CALLIOSTOMATIDAE)
- conuloides, Idesa conuloides (A.E.J. Férussac, 1822) - (HELICINIDAE)
- conuloides, Idesa conuloides (R.J.L. Guppy, 1868) - (HELICINIDAE)
- conuloides, Melongena conuloides A.E.M. Cossmann, 1897 † - (MELONGENIDAE) (FOSSIL)
- conuloides, Trochus conuloides J.B.P.A. Lamarck, 1822 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (TROCHIDAE)
- conuloides canariensis, Calliostoma conuloides canariensis J.F. Mabille, 1898 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- conuloides intermedia, Calliostoma conuloides intermedia P.M. Pallary, 1920 - syn of: Calliostoma zizyphinum (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- conuloides lyonsii, Calliostoma zizyphinum conuloides lyonsii W.E. Leach, 1850 - (CALLIOSTOMATIDAE)
- Conulopolita, Subgenus Oxychilus (Conulopolita) O. Bφttger, 1879 (OXYCHILIDAE)
- conulus, Acmaea conulus (R.W. Dunker, 1861 †) - (ACMAEIDAE) (FOSSIL)
- conulus, Solarium conulus H.C. Weinkauff, 1868 - syn of: Philippia hybrida (C. Linnaeus, 1758) - (ARCHITECTONICIDAE)
- conulus, Asthenotoma conulus (J.P.S. Grateloup, 1840 †) - (BORSONIIDAE) (FOSSIL)
- conulus, Euthria conulus C.W.S. Aurivillius, 1885 - syn of: Colus martensi (A. Krause, 1885) - (BUCCINIDAE)
- conulus, Calliostoma conulus (C. Linnaeus, 1758) - (CALLIOSTOMATIDAE)
- Conulus, syn of: Genus Calliostoma W.J. Swainson, 1840 (CALLIOSTOMATIDAE)
- conulus, Edouardia conulus (L.A. Reeve, 1849.) - (CERASTUIDAE)
- conulus, Phenacohelix conulus (W.T. Blanford, 1865) - (CHAROPIDAE)
- conulus, Cylichna conulus (G.P. Deshayes, 1824 †) - (CYLICHNIDAE) (FOSSIL)
- Conulus, syn of: Genus Euconulus O.W.H. Reinhardt, 1883 (EUCONULIDAE)
- conulus, Fusus conulus A. Risso, 1826 - syn of: Euthria cornea (C. Linnaeus, 1758) - (FASCIOLARIIDAE)
- conulus, Tournoueria conulus Š. Brusina 1870 † - (HYDROBIIDAE) (FOSSIL)
- conulus, Caseolus conulus R.T. Lowe, 1855 - syn of: Caseolus abjectus (R.T. Lowe, 1851) - (HYGROMIIDAE)
- conulus, Patelloida conulus (R.W. Dunker, 1861) - (LOTTIIDAE)
- conulus, Marginella conulus H.C. Lea, 1843 - syn of: Gibberula lavalleeana (A.V.M.D. D'Orbigny, 1842) - (MARGINELLIDAE)
- conulus, Pterygia conulus J.B.P.A. Lamarck, 1811 - syn of: Pterygia conus (J.F. Gmelin, 1791) - (MITRIDAE)
- conulus, Murex conulus A.G. Olivi, 1792 - syn of: Mitrella scripta (C. Linnaeus, 1758) - (MURICIDAE)
- conulus, Laschmaspira conulus (Licharev, 1968 †) - (ORTHONEMIDAE) (FOSSIL)
- conulus, Patella conulus R.W. Dunker, 1861 † - syn of: Acmaea conulus (R.W. Dunker, 1861 †) - (PATELLIDAE) (FOSSIL)
- conulus, Pleurotomaria conulus J.W. Hall, 1856 † - syn of: Euconospira conula (J.W. Hall, 1856 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- conulus, Tympanotonos conulus (J.G. Bruguière, 1792 †) - (POTAMIDIDAE) (FOSSIL)
- conulus, Pyrunculus conulus auct. non G.P. Deshayes, 1824 - syn of: Pyrunculus obesiusculus (G.A. Brugnone, 1877) - (RETUSIDAE)
- conulus, Streptostyla conulus E.C. Von Martens, 1891 - (SPIRAXIDAE)
- conulus, Jujubinus conulus E.M. Da Costa, 1778 - syn of: Jujubinus exasperatus (T. Pennant, 1777) - (TROCHIDAE)
- conulus laevigata, Trochus conulus laevigata S.A.A. Petit De La Saussaye, 1869 - syn of: Calliostoma gualterianum (R.A. Philippi, 1848) - (TROCHIDAE)
- conus, Acavus conus H.A. Pilsbry, 1890 - syn of: Acavus haemastoma (C. Linnaeus, 1758) - (ACAVIDAE)
- conus, Acmaea conus A. Test, 1945 - syn of: Lottia cona (A. Test, 1945) - (ACMAEIDAE)
- conus, Drymaeus conus H.A. Pilsbry, 1902 - (BULIMULIDAE)
- conus, Cerion conus H.H. Beck, 1837 - (CERIONIDAE)
- Conus, Genus Conus C. Linnaeus, 1758 (CONIDAE)
- conus, Discordichilus conus (Kindle, 1900 †) - (ELASMONEMATIDAE) (FOSSIL)
- conus, Geotrochus conus (R.A. Philippi, 1841) - (HELICARIONIDAE)
- conus, Helix conus R.A. Philippi, 1841 - syn of: Geotrochus zonatus J.C. van Hasselt, 1823 - (HELICIDAE)
- conus, Helicina conus A.J. Wagner, 1911 - (HELICINIDAE)
- conus, Turricaspia conus (K.E.I. von Eichwald, 1838) - (HYDROBIIDAE)
- conus, Caspia conus C.M. Kolesnikov, 1948 - syn of: Pyrgula kolesnikoviana B.M. Logvinenko & Y.I. Starobogatov, 1966 - (HYDROBIIDAE)
- conus, Pterygia conus (J.F. Gmelin, 1791) - (MITRIDAE)
- conus, Patella conus P.F. Röding, 1798 - syn of: Patella depressa T. Pennant, 1777 - (PATELLIDAE)
- conus, Palaeonustus conus J. Perner, 1903 † - syn of: Pseudotectus comes J. Perner, 1903 † - (PSEUDOPHORIDAE) (FOSSIL)
- conus, Tectus conus (J.F. Gmelin, 1791) - (TEGULIDAE)
- conus, Trochus conus J.F. Gmelin, 1791 - syn of: Tectus conus (J.F. Gmelin, 1791) - (TROCHIDAE)
- conus, Unio tumidus conus L. Spengler, 1793 - (UNIONIDAE)
- conus elatus, Tectus conus elatus J.B.P.A. Lamarck, 1822 - syn of: Tectus elatus J.B.P.A. Lamarck, 1822 - (TEGULIDAE)
- conus hirasei, Tectus conus hirasei H.A. Pilsbry - (TEGULIDAE)
- conus lindholmiana, Turricaspia conus lindholmiana (A.N. Golikov & Y.I. Starobogatov, 1966) - (HYDROBIIDAE)
- Conusella, Genus Conusella Grundel, 1999 (TOFANELLIDAE) (FOSSIL)
- conutus, Bulla conutus G.P. Deshayes, 1824 † - syn of: Cylichnina conutus (G.P. Deshayes, 1824 †) - (BULLIDAE) (FOSSIL)
- conutus, Cylichnina conutus (G.P. Deshayes, 1824 †) - (RETUSIDAE) (FOSSIL)
- convallicola, Pyrostoma plicatula convallicola (C.A. Westerlund, 1878) - (CLAUSILIIDAE)
- convallis, Proameria saxatilis convallis H.B. Baker, 1941 - (SPIRAXIDAE)
- conveniens, Onyxites conveniens P.A. Zhuravleva, 1972 † - syn of: Onyxites inversus (Wenjukov, 1866 †) - (DISCOSORIDA (unassigned)) (FOSSIL)
- convenientis, Eubranchus convenientis J.A. Ortea & G.M. Caballer, 2002 - (EUBRANCHIDAE)
- conventae, Monachoides conventae E. Caziot, 1905 - syn of: Perforatella incarnata (O.F. Müller, 1774) - (HYGROMIIDAE)
- conventus, Pisidium conventus S. Clessin, 1877 - (SPHAERIIDAE)
- Conventus, syn of: Genus Pisidium L. Pfeiffer, 1821 (SPHAERIIDAE)
- convergens, Ovatipsa convergens P. Dautzenberg, 1932 - syn of: Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- convergens, Cyclonema convergens J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- convergens, Atractites convergens J. Von Hauer, 1847 † - (XIPHOTEUTHIDIDAE) (FOSSIL)
- convertacostata, Plocezyga convertacostata Hoare, 1961 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- convertens, Omphaloptycha convertens Böhm, 1895 † - syn of: Omphaloptycha heeri E.A.L. Kittl, 1894 † - (COELOSTYLINIDAE) (FOSSIL)
- convertita, Leucostigma candidescens convertita (K. Flach, 1907) - (CLAUSILIIDAE)
- convexa, Anomia convexa J. de C. Sowerby, 1836 † - (ANOMIIDAE) (FOSSIL)
- convexa, Anchura convexa B. Wade, 1926 † - (APORRHAIDAE) (FOSSIL)
- convexa, Neptunea convexa V.N. Goryachev, 1978 - (BUCCINIDAE)
- convexa, Calliostoma convexa W.H. Turton, 1932 - syn of: Calliostoma africanum P. Bartsch, 1915 - (CALLIOSTOMATIDAE)
- convexa, Crepidula convexa T. Say, 1822 - (CALYPTRAEIDAE)
- convexa, Crepidula convexa auct. non T. Say, 1822 - syn of: Crepidula ustulatulina R. Collin, 2002 - (CALYPTRAEIDAE)
- convexa, Crepidula convexa M. Yokoyama, 1925 † - syn of: Crepidula zyobanica S. Nomura & K.M. Hatai, 1957 † - (CALYPTRAEIDAE) (FOSSIL)
- convexa, Agnocardia convexa (G.P. Deshayes, 1858 †) - (CARDIIDAE) (FOSSIL)
- convexa, Cardinia convexa (A.V.M.D. D'Orbigny, 1850 †) - (CARDINIIDAE) (FOSSIL)
- convexa, Clathurella convexa J.G. Jeffreys, 1882 - (CLATHURELLIDAE)
- convexa, Clio convexa (J.E.V. Boas, 1886) - (CLIIDAE)
- convexa, Cochliopina convexa Wesselingh, 2006 † - (COCHLIOPIDAE) (FOSSIL)
- convexa, Helenostylina convexa A. Nützel & A. Kaim, 2014 † - (COELOSTYLINIDAE) (FOSSIL)
- convexa, Antimitrella convexa Lussi, 2017 - (COLUMBELLIDAE)
- convexa, Cryptaulax convexa A. Nützel & al., 2003 † - (CRYPTAULACIDAE) (FOSSIL)
- convexa, Cuspidaria convexa J.P.L. Pelseneer, 1911 - (CUSPIDARIIDAE)
- convexa, Ditropis convexa W.T. Blanford, 1869 - (CYCLOPHORIDAE)
- convexa, Cylindrobullina convexa Batten & A. Stokes, 1986 † - (CYLINDROBULLINIDAE) (FOSSIL)
- convexa, Polymesoda convexa (A. Brongniart, 1822 †) - (CYRENIDAE) (FOSSIL)
- convexa, Corbicula convexa L.S. Zhidkova, 1994 † - syn of: Corbicula zhidkovae A.I. Kafanov, 1997 † - (CYRENIDAE) (FOSSIL)
- convexa, Clathrospira convexa Ulrich & Scofield, 1897 † - (EOTOMARIIDAE) (FOSSIL)
- convexa, Melanella convexa (E.A. Smith, 1907) - (EULIMIDAE)
- convexa, Emarginula convexa C. Hedley, 1907 - (FISSURELLIDAE)
- convexa, Guizhouspira convexa Wang, 1980 † - (GOSSELETINIDAE) (FOSSIL)
- convexa, Cataschisma convexa Longst, 1924 † - (GOSSELETINIDAE) (FOSSIL)
- convexa, Gryphaea convexa T. Say † - (GRYPHAEIDAE) (FOSSIL)
- convexa, Halobia convexa C. Chen, 1964 † - (HALOBIIDAE) (FOSSIL)
- convexa, Atys convexa H.B. Preston, 1908 - (HAMINOEIDAE)
- convexa, Helix convexa C.B. Adams, 1851 - syn of: Pleurodonte anomalus L. Pfeiffer, 1848 - (HELICIDAE)
- convexa, Olygyra convexa L. Pfeiffer, 1849 - (HELICINIDAE)
- convexa, Pseudamnicola convexa (F. Gottschick, 1928 †) - (HYDROBIIDAE) (FOSSIL)
- convexa, Pseudamnicola convexa (C.L.F. von Sandberger, 1875 †) - (HYDROBIIDAE) (FOSSIL)
- convexa, Caspiohydrobia convexa (B.M. Logvinenko & Y.I. Starobogatov, 1966) - (HYDROBIIDAE)
- convexa, Kellia convexa A.A. Gould, 1861 - syn of: Melliteryx mactroides (S.C.T. Hanley, 1857) - (KELLIIDAE)
- convexa, Malletia convexa Kalishevich, 1981 † - (MALLETIIDAE) (FOSSIL)
- convexa, Melanopsis convexa Doncieux, 1908 † - (MELANOPSIDAE) (FOSSIL)
- convexa, Coecella convexa G.P. Deshayes, 1855 - syn of: Coecella chinensis (G.P. Deshayes, 1855) - (MESODESMATIDAE)
- convexa, Modiolopsis convexa Cullison, 1938 † - (MODIOMORPHIDAE) (FOSSIL)
- convexa, Mysella convexa (T.A. de M. Monterosato, 1875) - (MONTACUTIDAE)
- convexa, Montacuta convexa T.A. de M. Monterosato, 1875 - syn of: Mysella convexa (T.A. de M. Monterosato, 1875) - (MONTACUTIDAE)
- convexa, Murchisonia convexa Spitz, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- convexa, Altadema convexa B.S. Kues, 2002 † - (MURCHISONIIDAE) (FOSSIL)
- convexa, Mya convexa H. Noda, 1992 † - (MYIDAE) (FOSSIL)
- convexa, Myadora convexa G.F. Angas, 1865 - (MYOCHAMIDAE)
- convexa, Nerita convexa T. Nuttall in J.C. Jay, 1839 - syn of: Theodoxus cariosus (W. Wood, 1828) - (NERITIDAE)
- convexa, Cerithiella convexa Abbass, 1967 † - (NEWTONIELLIDAE) (FOSSIL)
- convexa, Ennucula convexa (Sowerby, 1833) - (NUCULIDAE)
- convexa, Nucula convexa J.G. Jeffreys, 1879 - syn of: Ennucula aegeensis (E. Forbes, 1844) - (NUCULIDAE)
- convexa, Urftia convexa Heidelberger & K. Bandel, 1999 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- convexa, Medfrazyga convexa A. Nützel & Nakazawa, 2012 † - (PALAEOZYGOPLEURIDAE) (FOSSIL)
- convexa, Pandora convexa W.H. Dall, 1915 - syn of: Pandora radiata G.B. I Sowerby, 1835 - (PANDORIDAE)
- convexa, Gari convexa (L.A. Reeve, 1857) - (PSAMMOBIIDAE)
- convexa, Psammobia convexa L.A. Reeve, 1857 - syn of: Gari convexa (L.A. Reeve, 1857) - (PSAMMOBIIDAE)
- convexa, Brachytoma convexa E.W. Vredenburg, 1921 † - (PSEUDOMELATOMIDAE) (FOSSIL)
- convexa, Oistotrigonia convexa (Saveliev, 1958 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- convexa, Syrnola convexa C.F. Laseron, 1951 - (PYRAMIDELLIDAE)
- convexa, Besla convexa (P.P. Carpenter, 1857) - (PYRAMIDELLIDAE)
- convexa, Odostomia convexa P.P. Carpenter, 1857 - syn of: Besla convexa (P.P. Carpenter, 1857) - (PYRAMIDELLIDAE)
- convexa, Lissospira convexa K.J. Bush, 1897 - (SKENEIDAE)
- convexa, Scalaspira convexa C.L.F. von Sandberger, 1863 † - (STREPSIDURIDAE) (FOSSIL)
- convexa, Struthiolaria convexa J. Marwick, 1924 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- convexa, Pelicaria convexa J. Marwick, 1924 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- convexa, Fusispira convexa Ulrich & Scofield, 1897 † - (SUBULITIDAE) (FOSSIL)
- convexa, Thracia convexa (Wood, 1815) - (THRACIIDAE)
- convexa, Conusella convexa Schulbert & A. Nützel, 2013 † - (TOFANELLIDAE) (FOSSIL)
- convexa, Geratrigonia convexa (Kobayashi, 1954 †) - (TRIGONIIDAE) (FOSSIL)
- convexa, Nipponitrigonia convexa Kobayashi, 1957 † - (TRIGONIIDAE) (FOSSIL)
- convexa, Triphora convexa E.A. Smith, 1904 - (TRIPHORIDAE)
- convexa, Metaxia convexa (Carpenter, 1856) - (TRIPHORIDAE)
- convexa brongniarti, Polymesoda convexa brongniarti (B. de Basterot, 1825) † - (CYRENIDAE) (FOSSIL)
- convexa cyphosa, Clio convexa cyphosa J. Rampal, 2002 - (CLIIDAE)
- convexa hodgei, Gari convexa hodgei R.C. Willan, 1980 - (PSAMMOBIIDAE)
- Convexia, syn of: Genus Ginebis Is. Taki & Y. Otuka, 1942 (CALLIOTROPIDAE)
- convexiformis, Inoceramus convexiformis Walaszczyk, Cobban & Harries, 2001 † - (INOCERAMIDAE) (FOSSIL)
- convexigyra, Oenopota convexigyra P. Bouchet & A. Warén, 1980 - (MANGELIIDAE)
- conveximarginata, Murchisonia conveximarginata Wang, 1980 † - (MURCHISONIIDAE) (FOSSIL)
- conveximarginatus, Rhabdotocochlis conveximarginatus Zhu, 1995 † - (EUOMPHALIDAE) (FOSSIL)
- convexior, Tornatellaria convexior H.A. Pilsbry & C.M. Cooke, 1916 - (ACHATINELLIDAE)
- convexior, Mitiperua simplex convexior C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- convexior, Astarte gracilis convexior Anderson, 1959 - (ASTARTIDAE)
- convexior, Helicella convexior F. Haas, 1936 - syn of: Helicopsis striata (O.F. Müller, 1774) - (HYGROMIIDAE)
- convexior, Modulus convexior O.A.L. Mörch, 1876 - syn of: Modulus modulus (C. Linnaeus, 1758) - (MODULIDAE)
- convexior, Nucula fragilis convexior M. Glibert, 1985 - (NUCULIDAE)
- convexior, Abra convexior E.A. Smith, 1895 - (SEMELIDAE)
- convexirostrata, Ledellina convexirostrata Z.A. Filatova & A.A. Schileyko, 1984 - (NUCULANIDAE)
- convexispira, Eatoniella convexispira (A.W.B. Powell, 1955) - (EATONIELLIDAE)
- convexitesta, Palaeotachea convexitesta (Jooss, 1912) † - (HELICIDAE) (FOSSIL)
- convexiuscula, Leptachatina convexiuscula E.R. Sykes, 1900 - (AMASTRIDAE)
- convexiuscula, Astarte convexiuscula T. Brown, 1827 - syn of: Astarte montagui (L.W. Dillwyn, 1817) - (ASTARTIDAE)
- convexiuscula, Paradrillia convexiuscula T. Shuto, 1961 - (HORAICLAVIDAE)
- convexiuscula, Strioturbonilla convexiuscula Solikov, 1967 - (PYRAMIDELLIDAE)
- convexiuscula, Rissoina convexiuscula A.E.M. Cossmann, 1896 † - (RISSOINIDAE) (FOSSIL)
- convexiusculum, Ginebis convexiusculum M. Yokoyama, 1920 - syn of: Ginebis argenteonitens convexiusculus (M. Yokoyama, 1920) - (CALLIOTROPIDAE)
- convexiusculum, Ginebis convexiusculum (T. Shikama, 1962) - syn of: Ginebis argenteonitens convexiusculus tosanum (T. Shikama, 1962) - (CALLIOTROPIDAE)
- convexiusculum, Paryphostoma convexiusculum A.E.M. Cossmann, 1921 † - (DIASTOMATIDAE) (FOSSIL)
- convexiusculus, Ginebis argenteonitens convexiusculus (M. Yokoyama, 1920) - (CALLIOTROPIDAE)
- convexiusculus, Chondrocyclus convexiusculus L. Pfeiffer - (CYCLOPHORIDAE)
- convexiusculus, Gyraulus convexiusculus (F.W. Hutton, 1849) - (PLANORBIDAE)
- convexiusculus tosanum, Ginebis argenteonitens convexiusculus tosanum (T. Shikama, 1962) - (CALLIOTROPIDAE)
- convexivolvis, Columbinia convexivolvis H. Nordsieck, 2005 - (CLAUSILIIDAE)
- convexocarinata, Palaeomutela convexocarinata (Netschajew, 1894 †) - (PALAEOMUTELIDAE) (FOSSIL)
- convexodepressa, Oxystele convexodepressa (G. Cocconi, 1873 †) - (TROCHIDAE) (FOSSIL)
- Convexopecten, syn of: Subgenus Pecten (Oppenheimopecten) Teppner, 1922 (PECTINIDAE) (FOSSIL)
- convexula, Nematurella convexula W.R. Schlickum & F. Strauch, 1967 † - (HYDROBIIDAE) (FOSSIL)
- convexula, Nematurella convexula Steininger, 1973 † - syn of: Nematurella bavarica (C.L.F. von Sandberger, 1875 †) - (HYDROBIIDAE) (FOSSIL)
- convexum, Enigmonia convexum F.C.L. Koch, 1846 - syn of: Enigmonia aenigmatica (H.S. Holten, 1802) - (ANOMIIDAE)
- convexum, Peltoceras convexum Hillebrandt, 1995 † - (ASPIDOCERATIDAE) (FOSSIL)
- convexum, Acutimitoceras convexum Vöhringer, 1960 † - (GATTENDORFIIDAE) (FOSSIL)
- convexum, Lepton convexum W. Clark, 1852 - syn of: Hemilepton nitidum (W. Turton, 1822) - (LASAEIDAE)
- convexum, Mesopeplum convexum (J.R.C. Quoy, 1835) - (PECTINIDAE)
- convexum, Proplina convexum (Berkey, 1898 †) - (TRYBLIDIIDAE) (FOSSIL)
- convexum, Anodonta convexum H. Drouët, 1888 - syn of: Anodonta anatina (C. Linnaeus, 1758) - (UNIONIDAE)
- convexus, Drymaeus convexus (L. Pfeiffer, 1855) - (BULIMULIDAE)
- convexus, Conus convexus Marshall, 1918 † - (CONIDAE) (FOSSIL)
- convexus, Leptoconus convexus Harris, 1897 † - (CONIDAE) (FOSSIL)
- convexus, Euthriofusus convexus B. Wade, 1926 † - (FASCIOLARIIDAE) (FOSSIL)
- convexus, Scutus convexus J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Scutus anatinus (E. Donovan, 1820) - (FISSURELLIDAE)
- convexus, Tucetona convexus (R. Tate, 1886 †) - (GLYCYMERIDIDAE) (FOSSIL)
- convexus, Colligyrus convexus R. Hershler, T.J. Frest, H.P. Liu, & E.J. Johannes, 2003 - (HYDROBIIDAE)
- convexus, Inoceramus convexus J.W. Hall & F.B. Meek, 1856 † - (INOCERAMIDAE) (FOSSIL)
- convexus, Uddenites convexus Ruzhentsev, 1949 † - (MEDLICOTTIIDAE) (FOSSIL)
- convexus, Eothinites convexus Leonova, 1989 † - (METALEGOCERATIDAE) (FOSSIL)
- convexus, Xymene convexus (H.H. Suter, 1909) - (MURICIDAE)
- convexus, Abyssotrophon convexus R.V. Egorov, 1993 - syn of: Abyssotrophon delicatus (J.T. Kuroda, 1953) - (MURICIDAE)
- convexus, Trophon convexus H.H. Suter, 1909 - syn of: Xymene convexus (H.H. Suter, 1909) - (MURICIDAE)
- convexus, Pseudozygopleura convexus Batten, 1985 † - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- convexus, Omalonyx convexus (E.C. Von Martens, 1868) - (SUCCINEIDAE)
- convexus quadratus, Inoceramus convexus quadratus Etheridge † - (INOCERAMIDAE) (FOSSIL)
- convicta, Rhagada convicta (J.C. Cox, 1870) - (CAMAENIDAE)
- convicta perprima, Rhagada convicta perprima T. Iredale, 1939 - syn of: Rhagada perprima T. Iredale, 1939 - (CAMAENIDAE)
- convicta strella, Rhagada convicta strella T. Iredale, 1939 - syn of: Rhagada richardsonii (E.A. Smith, 1874) - (CAMAENIDAE)
- convicta tambra, Rhagada convicta tambra T. Iredale, 1939 - syn of: Rhagada richardsonii (E.A. Smith, 1874) - (CAMAENIDAE)
- conviva, Helix conviva C.A. Westerlund, 1902 - syn of: Josephinella argentellei (W. Kobelt, 1872) - (HELICIDAE)
- convivens, Ptychomphalina convivens J. Perner, 1907 † - (PTYCHOMPHALIDAE) (FOSSIL)
- convoluta, Bullinella convoluta G.B. Brocchi, 1800 † - (BULLIDAE) (FOSSIL)
- convoluta, Gyrocochlea convoluta C. Hedley, 1924 - (CHAROPIDAE)
- convoluta, Cylichna convoluta A. Scacchi, 1836 - syn of: Cylichna cylindracea (T. Pennant, 1777) - (CYLICHNIDAE)
- convoluta, Naticopsis convoluta Heidelberger, 2001 † - (DELPHINULOPSIDAE) (FOSSIL)
- convoluta, Phyllocoma convoluta (W.J. Broderip, 1833) - (MURICIDAE)
- convoluta, Syrnola convoluta (R.B. Watson, 1886) - (PYRAMIDELLIDAE)
- convoluta, Scaphander convoluta H.C.F. Schumacher, 1817 - syn of: Scaphander lignarius (C. Linnaeus, 1758) - (SCAPHANDRIDAE)
- convoluta, Leptinaria convoluta E.C. Von Martens, 1898 - (SUBULINIDAE)
- Convoluticeras, Genus Convoluticeras Erben , 1960 (TEICHERTICERATIDAE) (FOSSIL)
- convolutum, Phragmoceras convolutum Hedstrom, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- convolutum, Phragmoceras convolutum Hedström, 1917 † - syn of: Phragmoceras munthei Hedström, 1917 † - (PHRAGMOCERATIDAE) (FOSSIL)
- convolutum, Caloceras convolutum (C.T. Simpson, 1855 †) - (PSILOCERATIDAE) (FOSSIL)
- convolutum, Seraphs convolutum (J.B.P.A. Lamarck, 1802 †) - (SERAPHSIDAE) (FOSSIL)
- convolutum, Holzapfeloceras convolutum (Holzapfel, 1895 †) - (SOBOLEWIIDAE) (FOSSIL)
- convolutum, Holzapfeloceras convolutum Miller, 1932 † - syn of: Holopella latispira A.W. Grabau, 1936 † - (SOBOLEWIIDAE) (FOSSIL)
- convolutum, Tornoceras convolutum Holzapfel, 1895 † - syn of: Holzapfeloceras convolutum (Holzapfel, 1895 †) - (TORNOCERATIDAE) (FOSSIL)
- convolutus, Ptychosphaera convolutus (de Koninck, 1876 †) - (BELLEROPHONTIDAE) (FOSSIL)
- convolutus, Conus convolutus G.B. II Sowerby, 1858 - syn of: Darioconus omaria (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- convolutus, Pselioceras convolutus (L. Waagen, 1879 †) - (GRYPOCERATIDAE) (FOSSIL)
- convolutus, Lecanites convolutus L. Waagen, 1895 † - (LECANITIDAE) (FOSSIL)
- convolutus, Nautilus convolutus L. Waagen, 1879 † - syn of: Pselioceras convolutus (L. Waagen, 1879 †) - (NAUTILIDAE) (FOSSIL)
- convolutus, Charonia convolutus W.J. Broderip, 1833 - syn of: Phyllocoma convoluta (W.J. Broderip, 1833) - (RANELLIDAE)
- convolvens, Kozelconcha convolvens (J. Perner, 1907 †) - (KITTLIDISCIDAE) (FOSSIL)
- convolvula, Histiomena convolvula J.R. Lance, 1962 - syn of: Histiomena marginata (Ørsted in O.A.L. Mörch, 1859) - (ARMINIDAE)
- convolvula, Sphaerocina convolvula A.W. Janssen, 2007 † - (SPHAEROCINIDAE) (FOSSIL)
- conwaiae, Epitonium conwaiae G. Schmelz & R. Portell, 2007 † - (EPITONIIDAE) (FOSSIL)
- conyna, Polycerella conyna Er. Marcus, 1957 - syn of: Polycerella emertoni (A.E. Verrill, 1880) - (POLYCERIDAE)
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