- caucaensis, Drymaeus caucaensis S.I. Da Costa, 1898 - (BULIMULIDAE)
- Caucasella, Genus Caucasella Akopyan, 1969 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- caucasica, Neodidacnomya caucasica (Andrussov, 1923 †) - (CARDIIDAE) (FOSSIL)
- caucasica, Chondrina clienta caucasica P. Ehrmann, 1931 - (CHONDRINIDAE)
- Caucasica, Subgenus Elia (Caucasica) O. Böttger, 1877 (CLAUSILIIDAE)
- caucasica, Baleopsina caucasica (A. Schmidt, 1868) - (CLAUSILIIDAE)
- caucasica, Cyrtorostra caucasica Licharew, 1939 † - (DELTOPECTINIDAE) (FOSSIL)
- caucasica, Congeria caucasica Seninski, 1905 † - (DREISSENIDAE) (FOSSIL)
- caucasica, Chondrula caucasica (L. Pfeiffer, 1852) - (ENIDAE)
- caucasica, Belgrandiella caucasica Y.I. Starobogatov, 1962 - (HYDROBIIDAE)
- caucasica, Phaneroptyxis caucasica Pcelincev, 1934 † - (ITIERIIDAE) (FOSSIL)
- caucasica, Caucasipupa caucasica (L. Pfeiffer, 1857) - (LAURIIDAE)
- Caucasica, syn of: Genus Euxinolauria W.A. Lindholm, 1924 (LAURIIDAE)
- caucasica, Svanetia caucasica (H.R. Simroth, 1898) - (LIMACIDAE)
- caucasica, Daudebardia caucasica H.R. Simroth, 1912 - syn of: Inguria wagneri (O.W. Von Rosen, 1911) - (OXYCHILIDAE)
- caucasica, Segmentina caucasica N.D. Kruglov & E.V. Soldatenko, 1997 - (PLANORBIDAE)
- caucasica, Pseudomonotis caucasica Wittenburg, 1913 † - (PSEUDOMONOTIDAE) (FOSSIL)
- caucasica, Microstele caucasica Steklov, 1966 † - (PUPILLIDAE) (FOSSIL)
- caucasica, Pupilla caucasica O. Böttger, 1879 - syn of: Pupilla muscorum (C. Linnaeus, 1758) - (PUPILLIDAE)
- caucasica nitidula, Baleopsina caucasica nitidula (O.W. Von Rosen, 1914) - (CLAUSILIIDAE)
- Caucasicana, syn of: Genus Leiostyla R.T. Lowe, 1852 (LAURIIDAE)
- Caucasicola, Subgenus Ena (Caucasicola) P. Hesse, 1917 (ENIDAE)
- caucasicola, Kokotschashvilia caucasicola (W.A. Lindholm, 1913) - (HYGROMIIDAE)
- caucasicola, Monacha caucasicola A.A. Schileyko, 1978 - syn of: Paratheba roseni (P. Hesse, 1914) - (HYGROMIIDAE)
- caucasicum, Deroceras caucasicum (H.R. Simroth, 1901) - (AGRIOLIMACIDAE)
- caucasicum, Pseudoaustraliceras caucasicum Kakabadze, 1981 † - (ANCYLOCERATIDAE) (FOSSIL)
- caucasicum, Audouliceras renauxianum caucasicum (Egoian, 1959 †) - (ANCYLOCERATIDAE) (FOSSIL)
- caucasicum, Dieneroceras caucasicum A.M. Popov, 1962 † - (COLUMBITIDAE) (FOSSIL)
- caucasicum, Colombiceras caucasicum Luppov, 1949 † - (DESHAYESITIDAE) (FOSSIL)
- caucasicum, Paraspiticeras caucasicum Egoian, 1989 † - (EMERICICERATIDAE) (FOSSIL)
- caucasicus, Acroloxus caucasicus N.D. Kruglov & Y.I. Starobogatov, 1991 - (ACROLOXIDAE)
- caucasicus, Toxoceratoides caucasicus (Kazansky, 1914 †) - (ANCYLOCERATIDAE) (FOSSIL)
- caucasicus, Bulimus caucasicus L. Pfeiffer, 1852 - syn of: Chondrula caucasica (L. Pfeiffer, 1852) - (BULIMULIDAE)
- caucasicus, Liolytopelte caucasicus (H.R. Simroth, 1898) - (LIMACIDAE)
- caucasicus, Milax caucasicus H.R. Simroth, 1912 - (MILACIDAE)
- caucasicus, Neoglassoceras caucasicus Kotlyar & al., 2004 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- caucasicus, Stacheoceras caucasicus Zakharov, 1989 † - (NEOSTACHEOCERATIDAE) (FOSSIL)
- caucasicus, Claraioides caucasicus (Kulikov & Tkachuk, 1979 †) - (PTERINOPECTINIDAE) (FOSSIL)
- caucasicus, Oligolimax caucasicus C.A. Westerlund, 1886 - syn of: Phenacolimax annularis (S.E. Studer, 1820) - (VITRINIDAE)
- Caucasigena, Genus Caucasigena W.A. Lindholm, 1927 (HYGROMIIDAE)
- Caucasigenini, Genus Caucasigenini Neiber, Razkin & Hausdorf, 2017 (HYGROMIIDAE)
- Caucasipupa, Subgenus Euxinolauria (Caucasipupa) H.A. Pilsbry, 1926 (LAURIIDAE)
- Caucasipupa, syn of: Genus Euxinolauria W.A. Lindholm, 1924 (LAURIIDAE)
- Caucasites, Genus Caucasites Shevyrev , 1968 † (GYMNITIDAE) (FOSSIL)
- caucasium, Meekoceras caucasium Shevyrev, 1995 † - (MEEKOCERATIDAE) (FOSSIL)
- caucasius, Robinsonites caucasius Shevyrev, 1995 † - (BALATONITIDAE) (FOSSIL)
- caucasius, Nicomedites caucasius Shevyrev, 1968 † - (BEYRICHITIDAE) (FOSSIL)
- caucasius, Mesocladiscites caucasius Shevyrev, 1968 † - (CLADISCITIDAE) (FOSSIL)
- caucasius, Projuvavites caucasius Shevyrev, 1995 † - (JUVAVITIDAE) (FOSSIL)
- caucasius, Longobarditoides caucasius Shevyrev, 1961 † - (LONGOBARDITIDAE) (FOSSIL)
- caucasius, Monophyllites caucasius Shevyrev, 1995 † - (USSURITIDAE) (FOSSIL)
- Caucasochordiceras, Genus Caucasochordiceras Shevyrev 1995 (ACROCHORDICERATIDAE) (FOSSIL)
- Caucasocressa, Subgenus Metafruticicola (Caucasocressa) P. Hesse, 1921 ? (HYGROMIIDAE)
- Caucasofixus, syn of: Subgenus Trichia (Dioscuria) W.A. Lindholm, 1927 (HYGROMIIDAE)
- Caucasolimax, syn of: Subgenus Limax (Svanetia) P. Hesse, 1926 (LIMACIDAE)
- Caucasotachea, Genus Caucasotachea C.R. Böttger, 1909 (HELICIDAE)
- caudacurtus, Siratus caudacurtus (R. Houart, 1999) - (MURICIDAE)
- caudana, Megastomia caudana (E. Saurin, 1959) - (PYRAMIDELLIDAE)
- caudani, Dentalium caudani É.A.A. Locard, 1896 - syn of: Fissidentalium candidum (J.G. Jeffreys, 1877) - (DENTALIIDAE)
- caudani, Laevidentalium caudani É.A.A. Locard, 1896 - syn of: Fissidentalium candidum (J.G. Jeffreys, 1877) - (LAEVIDENTALIIDAE)
- caudani, Grimpoteuthis caudani (L.M.A.O.E. Joubin, 1896) - (OPISTHOTEUTHIDAE)
- caudani intermedia, Dentalium caudani intermedia É.A.A. Locard, 1898 - syn of: Fissidentalium candidum (J.G. Jeffreys, 1877) - (DENTALIIDAE)
- caudani parfaiti, Dentalium caudani parfaiti É.A.A. Locard, 1898 - syn of: Fissidentalium candidum (J.G. Jeffreys, 1877) - (DENTALIIDAE)
- caudata, Arca caudata E. Donovan, 1801 - syn of: Nuculana minuta (O.F. Müller, 1776) - (ARCIDAE)
- caudata, Anisocardia caudata (Lycett) † - (ARCTICIDAE) (FOSSIL)
- caudata, Belomitra caudata Y.I. Kantor, N. Puillandre & al., 2012 - (BELOMITRIDAE)
- caudata, Diplotheca caudata G.F. Matthew, 1885 † - syn of: Diplotheca hyattiana caudata G.F. Matthew, 1885 † - (DIPLOTHECIDAE) (FOSSIL)
- caudata, Diplotheca hyattiana caudata G.F. Matthew, 1885 † - (DIPLOTHECIDAE) (FOSSIL)
- caudata, Taringa caudata (G.P. Farran, 1905) - (DISCODORIDIDAE)
- caudata, Melanella caudata (Boettger †) - (EULIMIDAE) (FOSSIL)
- caudata, Glaphyrina caudata (J.R.C. Quoy & J.P. Gaimard, 1833) - (FASCIOLARIIDAE)
- caudata, Idalia caudata A.S. Oersted, 1844 - syn of: Okenia aspersa (J. Alder & A. Hancock, 1845) - (GONIODORIDIDAE)
- caudata, Eupleura caudata (T. Say, 1822) - (MURICIDAE)
- caudata, Perna caudata L.A. Reeve, 1858 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (MYTILIDAE)
- caudata, Nuculana caudata (E. Donovan, 1801) - (NUCULANIDAE)
- caudata, Nuculana caudata S.L. Lovén, 1846 - syn of: Nuculana minuta (O.F. Müller, 1776) - (NUCULANIDAE)
- caudata, Isognomon caudata L.A. Reeve, 1858 - syn of: Isognomon legumen J.F. Gmelin, 1790 - (PTERIIDAE)
- caudata, Ranularia caudata (J.F. Gmelin, 1791) - (RANELLIDAE)
- caudata, Linatella caudata (J.F. Gmelin, 1791) - (RANELLIDAE)
- caudata, Ranella caudata T. Say, 1822 - syn of: Eupleura caudata etterae (T. Say, 1822) - (RANELLIDAE)
- caudata, Yoldia caudata Khomenko, 1973 † - (YOLDIIDAE) (FOSSIL)
- caudata etterae, Eupleura caudata etterae (T. Say, 1822) - (MURICIDAE)
- caudata sulcidentata, Eupleura caudata sulcidentata W.H. Dall, 1890 - syn of: Eupleura sulcidentata W.H. Dall, 1890 - (MURICIDAE)
- caudata vulticula, Tritonocauda caudata vulticula T. Iredale, 1936 - syn of: Ranularia caudata (J.F. Gmelin, 1791) - (RANELLIDAE)
- caudatinus, Zeatrophon caudatinus H.J. Finlay, 1930 - syn of: Zeatrophon mortenseni (N.H. Odhner, 1924) - (MURICIDAE)
- caudatinus, Zeatrophon mortenseni caudatinus (N.H. Odhner, 1924) - (MURICIDAE)
- caudatum, Grandostoma caudatum (J. Perner, 1903 †) - (BUCANIIDAE) (FOSSIL)
- caudatum, Buccinulum caudatum A.W.B. Powell, 1929 † - (BUCCINIDAE) (FOSSIL)
- caudatum, Buccinum caudatum J.F. Gmelin, 1791 - syn of: Ranularia cynocephala (J.B.P.A. Lamarck, 1816) - (BUCCINIDAE)
- caudatum, Cerithium caudatum G.B. II Sowerby, 1855 - syn of: Cerithium atratum (I. von Born, 1778) - (CERITHIIDAE)
- caudatum, Cerithium caudatum Sowerby, 1855 - syn of: Cerithium atratum (I. von Born, 1778) - (CERITHIIDAE)
- caudatum, Vexillum caudatum (J. Marwick, 1931 †) - (COSTELLARIIDAE) (FOSSIL)
- caudatum, Cymatium caudatum J.F. Gmelin, 1791 - syn of: Ranularia caudata (J.F. Gmelin, 1791) - (RANELLIDAE)
- caudatum, syn of: Genus Linatella J.E. Gray, 1857 (RANELLIDAE)
- caudatus, Falcidens caudatus (H. Heath, 1918) - (CHAETODERMATIDAE)
- caudatus, Phaedusa neniopsis caudatus H. Minato, 1981 - (CLAUSILIIDAE)
- caudatus, Murex caudatus J.F. Gmelin, 1791 - syn of: Ranularia caudata (J.F. Gmelin, 1791) - (MURICIDAE)
- caudatus, Myoforceps caudatus J.E. Gray in P.P. King, 1827 - syn of: Lithophaga aristata L.W. Dillwyn, 1817 - (MYTILIDAE)
- caudatus, Triton caudatus L.C. Kiener, 1842 - syn of: Monoplex trigonus (J.F. Gmelin, 1791) - (RANELLIDAE)
- caudex, Irus caudex (C.R. Laws, 1936 †) - (VENERIDAE) (FOSSIL)
- caudicula, Raphitoma caudicula G.D. Nardo, 1848 - syn of: Raphitoma leufroyi (A. Michaud, 1828) - (RAPHITOMIDAE)
- Caudiculatus, Genus Caudiculatus C.T. Simpson, 1900 (UNIONIDAE)
- caudiculatus, Caudiculatus caudiculatus (E.C. Von Martens, 1866) - (UNIONIDAE)
- caudiculus, Murex caudiculus Š. Brusina, 1870 - syn of: Raphitoma leufroyi (A. Michaud, 1828) - (MURICIDAE)
- caudigera, Myoforceps caudigera J.B.P.A. Lamarck, 1819 - syn of: Lithophaga aristata L.W. Dillwyn, 1817 - (MYTILIDAE)
- caudigera, Phelopteria caudigera (C.A. von Zittel, 1866 †) - (PTERIIDAE) (FOSSIL)
- caudinus, Xexaplex caudinus A. De Gregorio, 1885 - syn of: Hexaplex trunculus (C. Linnaeus, 1758) - (MURICIDAE)
- caudiva, Crenella caudiva A.A. Olsson, 1961 - (MYTILIDAE)
- Caudofoveatus, syn of: Genus Chaetoderma S.L. Lovén, 1844 (CHAETODERMATIDAE)
- caukasicus, Germanonautilus caukasicus Schastlivtseva, 1981 † - (TAINOCERATIDAE) (FOSSIL)
- caulerpae, Mitrella caulerpae A.M. Keen, 1971 - (COLUMBELLIDAE)
- Cauliculus, syn of: Genus Pseudonapaeus C.A. Westerlund, 1887 (ENIDAE)
- Caulina, syn of: Genus Cavolinia P.C. Abildgaard, 1791 (CAVOLINIIDAE)
- caumontensis, Cyclocardia caumontensis (Deshayes) † - (CARDITIDAE) (FOSSIL)
- caumontiensis, Cyclocardia caumontiensis (G.P. Deshayes, 1858 †) - (CARDITIDAE) (FOSSIL)
- caumontii, Trochus caumontii Klipstein, 1843 † - (TROCHIDAE) (FOSSIL)
- Caumontisphinctes, Genus Caumontisphinctes Buckman, 1920 † (PARKINSONIIDAE) (FOSSIL)
- caunbonensis, Tritonoharpa caunbonensis J.M. Pacaud, Ledon & Loubry, 2015 † - (CANCELLARIIDAE) (FOSSIL)
- caupolicani, Adelomelon caupolicani C. Nielsen & D. Frassinetti, 2007 † - (VOLUTIDAE) (FOSSIL)
- caupona, Semotrachia caupona G.A. Solem, 1993 - (CAMAENIDAE)
- cauponia, Emmericia cauponia D. Esu & O. Girotti in D. Esu & al., 2001 † - (AMNICOLIDAE) (FOSSIL)
- cauria, Bulla cauria W.H. Benson, 1856 - syn of: Atys exaratus (P.P. Carpenter, 1857) - (BULLIDAE)
- caurica, Erronea caurica (C. Linnaeus, 1758) - (CYPRAEIDAE)
- caurica, Erronea caurica Vachon & Verneau, 2017 - (CYPRAEIDAE)
- caurica blaesa, Erronea caurica blaesa (T. Iredale, 1939) - (CYPRAEIDAE)
- caurica corrosa, Erronea caurica corrosa (J.F. Gronovius, 1781) - (CYPRAEIDAE)
- caurica dracaena, Erronea caurica dracaena (I. von Born, 1778) - (CYPRAEIDAE)
- caurica dracaena corrosa, Erronea caurica dracaena corrosa J.F. Gronovius, 1781 - syn of: Erronea caurica corrosa (J.F. Gronovius, 1781) - (CYPRAEIDAE)
- caurica elongata, Erronea caurica elongata (G. Perry, 1811) - (CYPRAEIDAE)
- caurica longior, Erronea caurica longior T. Iredale, 1935 - (CYPRAEIDAE)
- caurica nabeqensis, Erronea caurica nabeqensis (E.L. Heiman & H.K. Mienis, 1999) - syn of: Erronea caurica quinquefasciata nabequensis (E.L. Heiman & H.K. Mienis, 2000) - (CYPRAEIDAE)
- caurica nigrocincta, Erronea caurica nigrocincta F.A. Schilder, 1924 - (CYPRAEIDAE)
- caurica obscurata, Erronea caurica obscurata F.A. Schilder, 1940 - (CYPRAEIDAE)
- caurica quinquefasciata, Erronea caurica quinquefasciata (P.F. Röding, 1798) - (CYPRAEIDAE)
- caurica quinquefasciata nabequensis, Erronea caurica quinquefasciata nabequensis (E.L. Heiman & H.K. Mienis, 2000) - (CYPRAEIDAE)
- caurica samoensis, Erronea caurica samoensis F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- caurina, Bullacta caurina W.H. Benson, 1842 - syn of: Bullacta exarata (R.A. Philippi, 1849) - (HAMINOEIDAE)
- caurina, Natica caurina A.A. Gould, 1847 - syn of: Euspira pallida (W.J. Broderip & G.B. I Sowerby, 1829) - (NATICIDAE)
- caurina, Philine caurina W.H. Benson, 1856 - syn of: Bullacta exarata (R.A. Philippi, 1849) - (PHILINIDAE)
- caurina, Ferrissia caurina (J.G. Cooper, 1870) - (PLANORBIDAE)
- caurinum, Dimorphotoceras caurinum (McLearn, 1939 †) - (TIBETITIDAE) (FOSSIL)
- caurinum, Meginoceras caurinum McLearn, 1947 † - (TRACHYCERATIDAE) (FOSSIL)
- caurinus, Collignoniceras caurinus (McLearn, 1926 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- caurinus, Griesbachites caurinus McLearn, 1947 † - syn of: Griesbachites humi McLearn, 1937 † - (JUVAVITIDAE) (FOSSIL)
- caurinus, Patinopecten caurinus (Gould, 1850) - (PECTINIDAE)
- caurus, Hungarites caurus McLearn, 1948 † - syn of: Lenotropites caurus (McLearn, 1948 †) - (CERATITIDAE) (FOSSIL)
- caurus, Aethoceras caurus Teichert & Glenister † - (ESTONIOCERATIDAE) (FOSSIL)
- caurus, Lenotropites caurus (McLearn, 1948 †) - (LONGOBARDITIDAE) (FOSSIL)
- caurus, Neouddenites caurus Nassichuk & al., 1965 † - (MEDLICOTTIIDAE) (FOSSIL)
- Causa, Genus Causa A.A. Schileyko, 1971 (HELICIDAE)
- causia, Macrochlamys causia (W.H. Benson) - (ARIOPHANTIDAE)
- cauta, Trochoidea cauta (C.A. Westerlund, 1879) - (HYGROMIIDAE)
- cauta, Agaronia cauta F.P. Marrat, 1871 - syn of: Agaronia lutaria (P.F. Röding, 1798) - (OLIVIDAE)
- cautisrufae, Discosphinctes cautisrufae Arkell, 1936 † - (PERISPHINCTIDAE) (FOSSIL)
- cautleyi, Zeuxis cautleyi (d'Archiac & Haime, 1854 †) - (NASSARIIDAE) (FOSSIL)
- cautoensis, Troschelvindex arangiana cautoensis (C. de la Torre & P. Bartsch, 1941) - (POMATIIDAE)
- Cautor, Genus Cautor H.J. Finlay, 1927 (TRIPHORIDAE)
- Cautotriphora, Genus Cautotriphora S. Kosuge, 1990 (TRIPHORIDAE)
- cautum, Peripetoceras cautum Shimanskiy, 1967 † - (LIROCERATIDAE) (FOSSIL)
- cautum, Vertorhizoceras cautum P.A. Zhuravleva, 1972 † - syn of: Ukhtoceras uchtense (Holzapfel, 1899 †) - (NAUTILIDA (unassigned)) (FOSSIL)
- cauvini, Paravascoceras cauvini (Chudeau, 1909 †) - (VASCOCERATIDAE) (FOSSIL)
- cauvini evoluta, Paravascoceras cauvini evoluta Schneegans, 1943 † - syn of: Paravascoceras cauvini (Chudeau, 1909 †) - (VASCOCERATIDAE) (FOSSIL)
- cauze, Elysia cauze Er. Marcus, 1957 - syn of: Elysia subornata A.E. Verrill, 1901 - (PLAKOBRANCHIDAE)
- cava, Cyrtostropha cava (Lindström, 1884 †) - (MURCHISONIIDAE) (FOSSIL)
- cavachana, Macrocallista cavachana G.D. Hanna & Israelsky, 1925 † - (VENERIDAE) (FOSSIL)
- cavae, Goniobranchus cavae (C.N.E. Eliot, 1904) - (CHROMODORIDIDAE)
- cavae, Glossodoris cavae C.N.E. Eliot, 1904 - syn of: Goniobranchus cavae (C.N.E. Eliot, 1904) - (CHROMODORIDIDAE)
- cavagnaroi, Naesiotus cavagnaroi A.G. Smith, 1972 - (BULIMULIDAE)
- cavailloni, Graphiconus cavailloni (A. Feneaux, 1942) - (CONIDAE)
- cavalier, Cochlespira cavalier E.F. Garcia, 2010 - (COCHLESPIRIDAE)
- Cavalinga, syn of: Genus Parvilucina W.H. Dall, 1901 (LUCINIDAE)
- cavallaensis, Carinigera buresi cavallaensis R.A.M. Brandt, 1962 - (CLAUSILIIDAE)
- cavalli, Tridonta cavalli C. Pollonera, 1901 - syn of: Astarte borealis (H.C.F. Schumacher, 1817) - (ASTARTIDAE)
- cavalliere, Paraturbo cavalliere A.E.M. Cossmann, 1916 † - (PARATURBINIDAE) (FOSSIL)
- cavallii, Atoxon cavallii C. Pollonera, 1906 - (UROCYCLIDAE)
- cavanaghi, Globovula cavanaghi (T. Iredale, 1931) - (OVULIDAE)
- cavanaghi, Diminovula cavanaghi T. Iredale, 1931 - syn of: Globovula cavanaghi (T. Iredale, 1931) - (OVULIDAE)
- cavanaghi, Primovula cavanaghi J.K. Allan, 1956 - syn of: Globovula cavanaghi (T. Iredale, 1931) - (OVULIDAE)
- cavanaghi, Prionovolva cavanaghi F.A. Schilder, 1941 - syn of: Globovula cavanaghi (T. Iredale, 1931) - (OVULIDAE)
- cavanca, Cratena cavanca L.S.R. Bergh, 1898 - syn of: Phidiana lottini (R.P. Lesson, 1831) - (FACELINIDAE)
- cavannae, Candidula cavannae M. Paulucci, 1881 - (HYGROMIIDAE)
- cavannae, Vitrea cavannae M. Paulucci, 1881 - syn of: Vitrea botterii L. Pfeiffer, 1853 - (PRISTILOMATIDAE)
- cavata, Aegista tumida cavata H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- cavata, Graphoceras cavata Buckman † - (GRAPHOCERATIDAE) (FOSSIL)
- cavata, Helix cavata (A. Mousson, 1854) - (HELICIDAE)
- cavatica, Purpurocardia cavatica (C. Hedley, 1902) - (CARDITIDAE)
- cavatica, Conulopolita cavatica F. Riedel, 1966 - (OXYCHILIDAE)
- Cavatidens, Genus Cavatidens T. Iredale, 1930 (LUCINIDAE)
- cavatiforme, Metacoceras cavatiforme A. Hyatt, † - (TAINOCERATIDAE) (FOSSIL)
- cavatocarinatus, Trichotropis cavatocarinatus (C.R. Laws, 1940) - (CAPULIDAE)
- cavatocarinatus, Ariadnaria cavatocarinatus (C.R. Laws, 1940) - syn of: Trichotropis cavatocarinatus (C.R. Laws, 1940) - (CAPULIDAE)
- cavatoensis, Austrasiatica langfordi cavatoensis (F.Jr. Lorenz, 2002) - (CYPRAEIDAE)
- cavator, Pristiloma cavator B. Roth, 1998 - (PRISTILOMATIDAE)
- cavatum, Tainoceras cavatum A. Hyatt, 1891 † - (TAINOCERATIDAE) (FOSSIL)
- cavea, Anachis cavea L.A. Reeve, 1859 - syn of: Anachis scalarina (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- cavea, Columbella cavea L.A. Reeve, 1859 - syn of: Anachis scalarina (G.B. I Sowerby, 1832) - (COLUMBELLIDAE)
- cavea, Pusia cavea (L.A. Reeve, 1844) - (COSTELLARIIDAE)
- cavea satsumae, Pusia cavea satsumae (W.H. Dall, 1926) - (COSTELLARIIDAE)
- cavearum, Eutrochatella pulchella cavearum (F.C. Baker, 1914) - (HELICINIDAE)
- caveata, Lamprotula caveata (P.M. Heude, 1877) - (UNIONIDAE)
- Caveatoniella, Subgenus Pupatonia (Caveatoniella) W.F. Ponder, 1965 (EATONIELLIDAE)
- cavelieri, Xenophora cavelieri A. de Rochebrune, 1883 - syn of: Xenophora senegalensis Fischer, 1873 - (XENOPHORIDAE)
- Cavellia, Genus Cavellia T. Iredale, 1915 (CHAROPIDAE)
- cavelliaformis, Climocella cavelliaformis J.F. Goulstone, 1996 - (CHAROPIDAE)
- cavelliana, Dupotetia cavelliana P.M. Pallary, 1926 - (HELICIDAE)
- Cavellioropa, Genus Cavellioropa R.K. Dell, 1952 (CHAROPIDAE)
- Cavellioropa, syn of: Subgenus Flammocharopa (Geminoropa) T. Iredale, 1933 (CHAROPIDAE)
- Caveola, Genus Caveola L.W. Stephenson, 1941 † (CANCELLARIIDAE) (FOSSIL)
- caverna, Caecum caverna R.G. Moolenbeek, M.J. Faber & C.G. Iliffe, 1989 - (CAECIDAE)
- caverna, Cyanoplax caverna (D.J. Eernisse, 1986) - (LEPIDOCHITONIDAE)
- Cavernacmella, Genus Cavernacmella T. Habe, 1942 (ASSIMINEIDAE)
- cavernae, Microcystina cavernae H.H. Godwin-Austen, 1891 - (ARIOPHANTIDAE)
- cavernae, Opisthoporus cavernae (H.H. Godwin-Austen, 1889) - (CYCLOPHORIDAE)
- cavernae, Discodoris cavernae F. Starmühlner, 1955 - syn of: Paradoris indecora (L.S.R. Bergh, 1881) - (DISCODORIDIDAE)
- cavernarum, Ligatella cavernarum E. Fischer-Piette, F. Blanc & F. Salvat, 1969 - (POMATIIDAE)
- cavernarum majungana, Ligatella cavernarum majungana E. Fischer-Piette, Ch.P. Blanc, F. Blanc & F. Salvat, 1993 - (POMATIIDAE)
- cavernata, Astartella cavernata Chronic, 1949 † - (ASTARTIDAE) (FOSSIL)
- cavernica, Belgrandiella cavernica C.R. Böttger, 1957 - (HYDROBIIDAE)
- cavernicola, Gibberula cavernicola J. Espinosa & J.A. Ortea, 2007 - (CYSTISCIDAE)
- cavernicola, Neritilia cavernicola Y. Kano & T. Kase, 2004 - (NERITILIIDAE)
- cavernicola, Huxleyia cavernicola I. Hayami & T. Kase, 1993 - (NUCINELLIDAE)
- cavernicola, Badiofaux cavernicola C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- cavernicum, Pisidium cavernicum A. Mori, 1938 - (SPHAERIIDAE)
- Cavernisa, Genus Cavernisa P. Radoman, 1978 (HYDROBIIDAE)
- cavernoides, Vaceuchelus cavernoides Vilvens, 2017 - (CHILODONTIDAE)
- cavernosa, Chama cavernosa A. Risso, 1826 - syn of: Chama gryphoides C. Linnaeus, 1758 - (CHAMIDAE)
- cavernosa, Etrema cavernosa G.F. Angas, 1865 - syn of: Etrema paucimaculata (G.F. Angas, 1880) - (CLATHURELLIDAE)
- cavernosa, Sadleriana cavernosa P. Radoman, 1978 - (HYDROBIIDAE)
- cavernosa, Drupa cavernosa L.A. Reeve, 1846 - syn of: Pascula ochrostoma (H.M.D. de Blainville, 1832) - (MURICIDAE)
- cavernosa, Lithophaga cavernosa R.W. Dunker, 1882 - syn of: Lithophaga plumula (S.C.T. Hanley, 1843) - (MYTILIDAE)
- cavernosa, Kermia cavernosa (L.A. Reeve, 1845) - (RAPHITOMIDAE)
- cavernosus, Vaceuchelus cavernosus (G.B. Sowerby, 1905) - (CHILODONTIDAE)
- cavernula, Scagacola cavernula J. Stanisic, 2010 - (RHYTIDIDAE)
- cavershamensis, Tropicolpus cavershamensis (G.F. Harris, 1897 †) - (TURRITELLIDAE) (FOSSIL)
- cavia, Luria cavia W.R. Steadman & B.C. Cotton, 1946 - syn of: Luria isabella (C. Linnaeus, 1758) - (CYPRAEIDAE)
- Cavicola, syn of: Genus Sitala H. Adams, 1865 (ARIOPHANTIDAE)
- cavicola, Kaliella cavicola P.V. Gredler, 1881 - syn of: Streptaxis cavicola (P.V. Gredler, 1881) - (CHRONIDAE)
- cavicola, Synprosphyma cavicola (P.V. Gredler, 1888) - (CLAUSILIIDAE)
- cavicola, Tandonia cavicola (H.R. Simroth, 1916) - (MILACIDAE)
- cavicola, Daudebardia cavicola L. Soós, 1972 - (OXYCHILIDAE)
- cavicola, Streptaxis cavicola (P.V. Gredler, 1881) - (STREPTAXIDAE)
- cavicollis, Aegista cavicollis (H.A. Pilsbry, 1900) - (BRADYBAENIDAE)
- caviconus, Aegista caviconus H.A. Pilsbry, 1902 - (BRADYBAENIDAE)
- Cavicoptis, syn of: Genus Heterocoptis M.L. Jaume & C. de la Torre, 1972 (UROCOPTIDAE)
- cavicostata, Heterocoptis cavicostata C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- cavicula, Syama cavicula G.A. Solem, 1979 - (ARIOPHANTIDAE)
- Cavicypraea, syn of: Genus Trona F.P. Jousseaume, 1884 (CYPRAEIDAE)
- cavidens, Gulella cavidens (E.C. Von Martens, 1876) - (STREPTAXIDAE)
- cavifera, Onchimira cavifera A.V. Martynov, T.A. Korshunova, N. Sanamyan & K. Sanamyan, 2009 - (ONCHIDORIDIDAE)
- Cavilabium, Genus Cavilabium A.E.M. Cossmann, 1888 (IRAVADIIDAE)
- Cavilentia, Genus Cavilentia Ruzhentsev & Bogoslovskaya, 1971 † (NOMISMOCERATIDAE) (FOSSIL)
- Cavilinga, Genus Cavilinga A.L. Chavan, 1937 (LUCINIDAE)
- Cavilucina, Genus Cavilucina P. Fischer, 1887 (LUCINIDAE)
- cavimargo, Cathaica cavimargo (E.C. Von Martens, 1879) - (BRADYBAENIDAE)
- cavimargo tarbagataica, Cathaica cavimargo tarbagataica P.V. Matiokin, 1966 - (BRADYBAENIDAE)
- cavinae, Gibberula cavinae T. Cossignani & I. Perugia, 2010 - (CYSTISCIDAE)
- Cavineptunea, Genus Cavineptunea A. Powell, 1951 (BUCCINIDAE)
- cavinsi, Coahuilites cavinsi Böse, 1928 † - (SPHENODISCIDAE) (FOSSIL)
- caviphila, Serriphaedusa draesekei caviphila H. Nordsieck, 2003 - (CLAUSILIIDAE)
- Cavipupa, Genus Cavipupa H.A. Pilsbry, 1934 (GASTROCOPTIDAE)
- cavitala, Calocochlia roissyana cavitala P. Bartsch, 1932 - (BRADYBAENIDAE)
- cavitectum, Coelorus cavitectum H.A. Pilsbry & Y. Hirase, 1902 - (BRADYBAENIDAE)
- cavitense, Bufonaria cavitense H.H. Beck - syn of: Bufonaria margaritula (G.P. Deshayes, 1832) - (BURSIDAE)
- cavitensis, Bufonaria cavitensis L.A. Reeve, 1844 - (BURSIDAE)
- caviticum, Pisidium caviticum (V.I. Zhadin, 1952) - (SPHAERIIDAE)
- caviticum, Speleopisidium caviticum V.I. Zhadin, 1952 - syn of: Pisidium caviticum (V.I. Zhadin, 1952) - (SPHAERIIDAE)
- Cavitidens, syn of: Genus Cavatidens T. Iredale, 1930 (LUCINIDAE)
- Caviumbonia, Genus Caviumbonia Youlou, 1978 † (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Cavodiloma, syn of: Genus Diloma R.A. Philippi, 1845 (TROCHIDAE)
- Cavolina, syn of: Genus Cavolinia P.C. Abildgaard, 1791 (CAVOLINIIDAE)
- Cavolina, syn of: Genus Cratena L.S.R. Bergh, 1864 (FACELINIDAE)
- cavolini, Calmella cavolini (J.B. Vérany, 1846) - (FLABELLINIDAE)
- cavolini, Modiolus cavolini A. Scacchi, 1833 - syn of: Gibbomodiola adriatica (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- cavolini, Mytilus cavolini A. Scacchi, 1833 - syn of: Gibbomodiola adriatica (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- Cavolinia, Genus Cavolinia P.C. Abildgaard, 1791 (CAVOLINIIDAE)
- cavolinii, Eolidia cavolinii J.B. Vérany, 1846 - syn of: Berghia verrucicornis (A. da Costa, 1867) - (AEOLIDIIDAE)
- CAVOLINIIDAE J.E. Gray, 1850 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-THECOSOMATA [Order]-CAVOLINIOIDEA [Superfamily])
- Cavoscala, Genus Cavoscala R.P. Whitfield, 1892 (EPITONIIDAE)
- Cavotera, syn of: Genus Charisma C. Hedley, 1915 (TROCHIDAE)
- cavovittata, Leptomaria cavovittata (Hébert & Eudes-Deslongchamps, 1860 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- cavus, Pseudophorus cavus (Lindström, 1884 †) - (PSEUDOPHORIDAE) (FOSSIL)
- cavus, Trochus cavus Lindström, 1884 † - syn of: Pseudophorus cavus (Lindström, 1884 †) - (TROCHIDAE) (FOSSIL)
- cawstoni, Ferrissia cawstoni B. Walker, 1924 - (PLANORBIDAE)
- cawstoni, Tomichia cawstoni M. Connolly, 1939 - (POMATIOPSIDAE)
- caxapregana, Neobeliscus calcarius caxapregana (S. Moricand, 1833) - (SUBULINIDAE)
- caxoeirana, Leiostracus caxoeirana (S. Moricand, 1841) - (SIMPULOPSIDAE)
- cayanensis, Sultana sultana cayanensis H.H. Beck - (ORTHALICIDAE)
- cayapa, Muracypraea cayapa (H.A. Pilsbry & A.A. Olsson, 1941 †) - (CYPRAEIDAE) (FOSSIL)
- cayemitense, Rhytidopoma rollei cayemitense P. Bartsch, 1946 - (POMATIIDAE)
- cayemitensis, Parachondria umbricola cayemitensis (C.D. Weinland) - (POMATIIDAE)
- cayenensis, Arca cayenensis J.B.P.A. Lamarck, 1819 - syn of: Lunarca ovalis (J.G. Bruguière, 1789) - (ARCIDAE)
- cayenensis, Anadara cayenensis J.B.P.A. Lamarck, 1819 - syn of: Lunarca ovalis (J.G. Bruguière, 1789) - (ARCIDAE)
- cayenensis, Diodora cayenensis J.B.P.A. Lamarck, 1822 - (FISSURELLIDAE)
- cayenensis, Psammobia cayenensis J.B.P.A. Lamarck, 1818 - syn of: Macoma constricta (J.G. Bruguière, 1792) - (PSAMMOBIIDAE)
- cayenensis henekeni, Diodora cayenensis henekeni C.J. Maury, 1917 † - (FISSURELLIDAE) (FOSSIL)
- cayennensis, Stigmaulax cayennensis (C.A. Récluz, 1850) - (NATICIDAE)
- cayennensis, Wayampia cayennensis (L. Pfeiffer, 1841) - (SCOLODONTIDAE)
- cayesense, Rhytidopoma jacmelense cayesense P. Bartsch, 1946 - (POMATIIDAE)
- cayetanensis, Sonorella cayetanensis H.A. Pilsbry & J.H. Ferriss, 1919 - (HELMINTHOGLYPTIDAE)
- cayetanoensis, Vaugonia cayetanoensis Pugaczewska, 1978 † - (MYOPHORELLIDAE) (FOSSIL)
- cayeuxi, Pachydiscus cayeuxi (de Grossouvre 1894 †) - (DESMOCERATIDAE) (FOSSIL)
- Caymanabyssia, Genus Caymanabyssia L.I. Moskalev, 1976 (CAYMANABYSSIIDAE)
- CAYMANABYSSIIDAE Marshall, 1986 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-LEPETELLOIDEA [Superfamily])
- CAYMANABYSSIIDAE - syn of Family: PSEUDOCOCCULINIDAE
- caymanana, Linga podagrina caymanana J. Gibson-Smith & W. Gibson-Smith, 1982 - (LUCINIDAE)
- caymanbracensis, Chondropoma caymanbracensis H.A. Pilsbry, 1930 - (POMATIIDAE)
- caymanbracensis, Lacteoluna caymanbracensis H.A. Pilsbry, 1949 - (SAGDIDAE)
- caymanbracensis parvicaymanense, Chondropoma caymanbracensis parvicaymanense H.A. Pilsbry, 1930 - (POMATIIDAE)
- caymanense, Cerion caymanense H.A. Pilsbry, 1902 - (CERIONIDAE)
- caymanense, Chondropoma caymanense H.B. Preston, 1911 - (POMATIIDAE)
- caymanensis, Hemitrochus caymanensis (H.A. Pilsbry, 1892) - (CEPOLIDAE)
- caymanensis, Dialeuca caymanensis (C.J. Maynard, 1892) - (CEPOLIDAE)
- caymanensis, Fedikovella caymanensis L.I. Moskalev, 1976 - (COCCULINIDAE)
- caymanensis, Poenia caymanensis H.A. Pilsbry, 1930 - (HELICINIDAE)
- caymanensis, Poteria caymanensis H.A. Pilsbry, 1930 - (NEOCYCLOTIDAE)
- caymanensis, Varicellula caymanensis (H.A. Pilsbry, 1942) - (OLEACINIDAE)
- caymanensis, Stauroglypta caymanensis (H.A. Pilsbry, 1930) - (SAGDIDAE)
- caymanensis, Versutaxis caymanensis H.A. Pilsbry, 1942 - syn of: Varicellula caymanensis (H.A. Pilsbry, 1942) - (SPIRAXIDAE)
- caymanensis, Microceramus caymanensis H.A. Pilsbry, 1942 - (UROCOPTIDAE)
- caymanensis, Cyclauchen caymanensis H.A. Pilsbry, 1930 - (UROCOPTIDAE)
- caymanensis oligoptyx, Poteria caymanensis oligoptyx H.A. Pilsbry, 1942 - (NEOCYCLOTIDAE)
- caymanica, Costentalina caymanica S.D. Chistikov, 1982 - (ENTALINIDAE)
- cayoense, Caecum cayoense H.A. Rehder, 1943 - syn of: Caecum floridanum W. Stimpson, 1851 - (CAECIDAE)
- Cayogoceras, syn of: Genus Cayugoceras Flower, 1947 † (MANDALOCERATIDAE) (FOSSIL)
- cayohuesonicus, Dolicholatirus cayohuesonicus (G.B. II Sowerby, 1878) - (FASCIOLARIIDAE)
- cayrei, Mirandaphera cayrei P. Bouchet & R.E. Petit, 2002 - (CANCELLARIIDAE)
- cayrei, Polyschides cayrei V. Scarabino, 2008 - (GADILIDAE)
- caysalensis, Purpuriconus caysalensis (L. Raybaudi Massilia & A. Prati Musetti, 1994) - (CONIDAE)
- caysalensis, Fenimorea caysalensis P.J. Fallon, 2016 - (DRILLIIDAE)
- Cayugoceras, Genus Cayugoceras Flower, 1947 † (MANDALOCERATIDAE) (FOSSIL)
- Cayutoceras, Genus Cayutoceras Flower, 1939 † (PSEUDORTHOCERATIDAE) (FOSSIL)
- cazadoriana, Acanthotrigonia cazadoriana (R.O. Wilckens, 1907 †) - (PTEROTRIGONIIDAE) (FOSSIL)
- cazadorianus, Eubaculites vagina cazadorianus (Paulcke, 1907 †) - (BACULITIDAE) (FOSSIL)
- cazae, Goniobranchus cazae (T.M. Gosliner & D.W. Behrens, 2004) - (CHROMODORIDIDAE)
- cazanikensis, Chondrula macedonica cazanikensis A.J. Wagner, 1915 - (ENIDAE)
- cazeauxi, Ocenebra cazeauxi A.E.M. Cossmann & M.A. Peyrot, 1923 † - (MURICIDAE) (FOSSIL)
- cazesi, Rimella cazesi J.M. Pacaud & Pons, 2015 † - (RIMELLIDAE) (FOSSIL)
- cazini, Pisinna cazini (C. Vélain, 1877) - (ANABATHRIDAE)
- cazini, Hemitissotia cazini (F. Péron, 1897 †) - (VASCOCERATIDAE) (FOSSIL)
- caziotana, Chondrina megacheilos caziotana H.A. Pilsbry, 1918 - (CHONDRINIDAE)
- cazioti, Deroceras cazioti (C. Pollonera, 1896) - (AGRIOLIMACIDAE)
- cazioti, Bithynia cazioti É.A.A. Locard - syn of: Bithynia leachii (R. Sheppard, 1823) - (BITHYNIIDAE)
- cazioti, Cerithium vulgatum cazioti (F. Nordsieck, 1974) - (CERITHIIDAE)
- cazioti, Hemiphaedusa ophthalmophana cazioti (A.R.J.B. Bavay & P. Dautzenberg, 1909) - (CLAUSILIIDAE)
- cazioti, Belgrandia cazioti (C.A. Westerlund, 1890) - (HYDROBIIDAE)
- cazioti, Cernuella cazioti É.A.A. Locard, 1894 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- cazioti, Eucithara cazioti (H.B. Preston, 1905) - (MANGELIIDAE)
- cazioti, Quinnia cazioti (P. Dautzenberg, 1925) - (SEGUENZIIDAE)
- Caziotia, syn of: Genus Renea B.D. Neville, 1880 (ACICULIDAE)
- cbadamsi, Turbonilla cbadamsi (P.P. Carpenter, 1857) - (PYRAMIDELLIDAE)
- ceac, Cerithiopsis ceac E. Rolán & R. Fernández-Garcés, 2010 - (CERITHIOPSIDAE)
- ceadouroensis, Hemitissotia ceadouroensis (Choffat, 1898 †) - (VASCOCERATIDAE) (FOSSIL)
- cearana, Solaropsis cearana (F.C. Baker, 1914) - (PLEURODONTIDAE)
- ceardi, Melanopsis ceardi P.M. Pallary, 1927 - (MELANOPSIDAE)
- Cearella, syn of: Genus Tomigerus J.B. von Spix, 1827 (ODONTOSTOMIDAE)
- cearensis, Cranopsis cearensis L.R.L. Simone & C.M. Cunha, 2014 - (FISSURELLIDAE)
- cearensis, Opaliopsis cearensis B.G. Andrade, P.M.S. Costa & A. Pimenta, 2011 - (NYSTIELLIDAE)
- cebada, Pachydon cebada Anderson, 1928 † - (CORBULIDAE) (FOSSIL)
- cebennensis, Bythinella cebennensis (D. Dupuy, 1851) - (BYTHINELLIDAE)
- cebriflammis, Flammulina cebriflammis (L. Pfeiffer, 1853) - (CHAROPIDAE)
- cebuana, Anatoma cebuana K. Bandel, 1998 - syn of: Scissurella cebuana (K. Bandel, 1998) - (ANATOMIDAE)
- cebuana, Murchisonella cebuana K. Bandel, 2005 - (MURCHISONELLIDAE)
- cebuana, Sansonia cebuana K. Bandel & T. Kowalke, 1997 - (PICKWORTHIIDAE)
- cebuana, Scissurella cebuana (K. Bandel, 1998) - (SCISSURELLIDAE)
- cebuanus, Acteon cebuanus T.C. Lan, 1985 - (ACTEONIDAE)
- cebuensis, Vitrinula cebuensis (O.F. von Möllendorff, 1887) - (ARIOPHANTIDAE)
- cebuensis, Synthopsis cebuensis A. Cecalupo & I. Perugia, 2012 - (CERITHIOPSIDAE)
- cebuensis, Phasmoconus cebuensis E. Wils, 1990 - (CONIDAE)
- cebuensis, Diplommatina cebuensis O.F. von Möllendorff, 1887 - (DIPLOMMATINIDAE)
- cebuensis, Discodoris cebuensis L.S.R. Bergh, 1877 - (DISCODORIDIDAE)
- cebuensis, Nassa cebuensis G.B. III Sowerby, 1901 - syn of: Nassarius pupinoides (L.A. Reeve, 1853) - (NASSARIIDAE)
- cebuensis, Hastulopsis cebuensis R. Gargiulo, 2014 - (TEREBRIDAE)
- cebuensis, Viviparus cebuensis (P. Bartsch, 1909) - (VIVIPARIDAE)
- cebuganus, Conus cebuganus A.J. Da Motta & P. Martin, 1982 - syn of: Graphiconus australis (H.S. Holten, 1802) - (CONIDAE)
- cebus, Tagelus cebus A.A. Olsson, 1922 † - (SOLECURTIDAE) (FOSSIL)
- cecalupoi, Cerithium cecalupoi T. Cossignani, 2004 - (CERITHIIDAE)
- cecalupoi, Demissa cecalupoi (T. Cossignani, 2005) - (MARGINELLIDAE)
- cecalupoi, Dentimargo cecalupoi T. Cossignani, 2005 - syn of: Demissa cecalupoi (T. Cossignani, 2005) - (MARGINELLIDAE)
- cecalupoi, Favartia cecalupoi L. Bozzetti, 1993 - (MURICIDAE)
- Ceccaceras, Genus Ceccaceras Monnet & Bucher, 2005 † (CERATITIDAE) (FOSSIL)
- ceccae, Chesapecten middlesexensis ceccae Ward, 1992 † - (PECTINIDAE) (FOSSIL)
- ceccai, Proceritella ceccai Fischer & al., 2002 † - (CERITELLIDAE) (FOSSIL)
- Ceccaisculitoides, Genus Ceccaisculitoides Guex & al., 2005 † (PARAGOCERATIDAE) (FOSSIL)
- cecchii, Drillia cecchii F.P. Jousseaume, 1891 - (DRILLIIDAE)
- cecchii, Lucina cecchii Jaboli, 1959 † - (LUCINIDAE) (FOSSIL)
- cecconi, Deroceras cecconi C. Pollonera, 1896 - syn of: Deroceras panormitanum M. Lessona & C. Pollonera, 1882 - (AGRIOLIMACIDAE)
- cecconi, Vitrinoides cecconi H.R. Simroth, 1906 - (LIMACIDAE)
- cecepeus, Plekocheilus cecepeus A.S.H. Breure & Araujo, 2015 - (AMPHIBULIMIDAE)
- cecilae, Propeamussium cecilae A. De Gregorio, 1884 † - (PROPEAMUSSIIDAE) (FOSSIL)
- cecilae, Sphaerium cecilae B. Prashad, 1921 - (SPHAERIIDAE)
- cecilea, Euthria cecilea K. Fraussen & E. Rolán, 2003 - (BUCCINIDAE)
- cecileae, Drymaeus strigatus cecileae S. Moricand, 1858 - (BULIMULIDAE)
- cecileae, Perrinia cecileae G.T. Poppe, S.P. Tagaro & H. Dekker, 2006 - (CHILODONTIDAE)
- cecilei, Conus cecilei L.C. Kiener, 1845 - syn of: Calibanus furvus (L.A. Reeve, 1843) - (CONIDAE)
- cecilei, Roxania cecilei H.C. Weinkauff, 1862 - syn of: Roxania utriculus (G.B. Brocchi, 1814) - (SCAPHANDRIDAE)
- ceciliae, Calliostoma ceciliae C. Vilvens & J. Sellanes, 2010 - syn of: Calliotropis ceciliae (C. Vilvens & J. Sellanes, 2010) - (CALLIOSTOMATIDAE)
- ceciliae, Calliotropis ceciliae (C. Vilvens & J. Sellanes, 2010) - (CALLIOTROPIDAE)
- ceciliae, Conus ceciliae J.C.H. Crosse, 1858 - syn of: Rhizoconus capitaneus (C. Linnaeus, 1758) - (CONIDAE)
- ceciliae, Compressidentalium ceciliae V. Scarabino, 1995 - (DENTALIIDAE)
- ceciliae, Cypropterina ceciliae A. De Gregorio, 1880 † - (EOCYPRAEIDAE) (FOSSIL)
- ceciliae, Volvarina ceciliae J. Espinosa & J.A. Ortea, 1999 - (MARGINELLIDAE)
- ceciliae, Enixotrophon ceciliae (R. Houart, 2003) - (MURICIDAE)
- ceciliae, Propeamussium ceciliae A. De Gregorio, 1884 - (PROPEAMUSSIIDAE)
- ceciliana, Acmaea ceciliana H.A. Pilsbry, 1891 - syn of: Scurria ceciliana (A.V.M.D. D'Orbigny, 1841) - (ACMAEIDAE)
- ceciliana, Scurria ceciliana (A.V.M.D. D'Orbigny, 1841) - (LOTTIIDAE)
- ceciliana, Patelloida ceciliana A.W.B. Powell, 1951 - syn of: Scurria ceciliana (A.V.M.D. D'Orbigny, 1841) - (LOTTIIDAE)
- ceciliana, Patella ceciliana D'Orbigny, 1841 - syn of: Scurria ceciliana (A.V.M.D. D'Orbigny, 1841) - (PATELLIDAE)
- ceciliana magellanica, Scurria ceciliana magellanica (H. Strebel, 1907) - (LOTTIIDAE)
- ceciliana subpersona, Scurria ceciliana subpersona (H.A. Pilsbry, 1891) - (LOTTIIDAE)
- cecilianum, Cymatium cecilianum W.H. Dall, 1916 † - (RANELLIDAE) (FOSSIL)
- ceciliasensis, Tetrentodon ceciliasensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Ceciliodes, syn of: Genus Cecilioides A.E.J. Férussac, 1814 (FERUSSACIIDAE)
- Cecilioides, Genus Cecilioides A.E.J. Férussac, 1814 (FERUSSACIIDAE)
- cecillei, Pila cecillei R.A. Philippi, 1848 - (AMPULLARIIDAE)
- cecillei, Euhadra cecillei (R.A. Philippi, 1849) - (BRADYBAENIDAE)
- cecillei, Cantharus cecillei R.A. Philippi, 1844 - (BUCCINIDAE)
- cecillei, Calliostoma cecillei S. Nomura & K.M. Hatai, 1935 - syn of: Tristichotrochus unicus (R.W. Dunker, 1860) - (CALLIOSTOMATIDAE)
- cecillei, Hemiphaedusa cecillei L. Pfeiffer, 1847 - syn of: Macrophaedusa cecillii (L. Pfeiffer, 1847) - (CLAUSILIIDAE)
- cecillei, Pythia cecillei (R.A. Philippi, 1847) - (ELLOBIIDAE)
- cecillei, Echinolittorina cecillei (R.A. Philippi, 1851) - (LITTORINIDAE)
- cecillii, Anadara cecillii R.A. Philippi, 1849 - syn of: Anadara inaequivalvis (J.G. Bruguière, 1789) - (ARCIDAE)
- cecillii, Cantharus cecillii (R.A. Philippi, 1844) - syn of: Cantharus cecillei R.A. Philippi, 1844 - (BUCCINIDAE)
- cecillii, Cerithium cecillii R.A. Philippi, 1849 - (CERITHIIDAE)
- cecillii, Macrophaedusa cecillii (L. Pfeiffer, 1847) - (CLAUSILIIDAE)
- cecillii, Modiolus cecillii (R.A. Philippi, 1847) - (MYTILIDAE)
- Cecina, Genus Cecina A. Adams, 1861 (POMATIOPSIDAE)
- cecinella, Teinostoma cecinella W.H. Dall, 1919 - (TORNIDAE)
- cecinella, Yoldiella cecinella (W.H. Dall, 1916) - (YOLDIIDAE)
- ceciriana, Babella ceciriana E. Saurin, 1959 - (PYRAMIDELLIDAE)
- cecrops, Hyolithes cecrops Walcott, 1917 † - (HYOLITHIDAE) (FOSSIL)
- cedarensis, Mathilda cedarensis L.W. Stephenson, 1941 † - (MATHILDIDAE) (FOSSIL)
- cedarensis, Cibecuia cedarensis Winters, 1956 † - (MURCHISONIIDAE) (FOSSIL)
- Cedarvilleoceras, Genus Cedarvilleoceras Shimizu & Obata, 1935 † (ORTHOCERIDA (UNASSIGNED)) (FOSSIL)
- ceddensis, Euthria ceddensis Brunetti & Della Bella, 2016 † - (BUCCINIDAE) (FOSSIL)
- cederstromi, Acteocina cederstromi H.G. Richards, 1947 † - (ACTEOCINIDAE) (FOSSIL)
- cedilla, Eopleurotoma cedilla (F.E. Edwards, 1861 †) - (TURRIDAE) (FOSSIL)
- cedillata?, Muricopsis cedillata? (Cossman & M.A. Peyrot, 1923 †) - (MURICIDAE) (FOSSIL)
- cedista, Partula cedista D.M. Crampton, 1956 - syn of: Partula dentifera L. Pfeiffer, 1853 - (PARTULIDAE)
- cedonulli, Trichotropis cedonulli A. Adams, 1860 - (CAPULIDAE)
- cedonulli, Rhinoclavis sinensis cedonulli G.B. II Sowerby, 1855 - (CERITHIIDAE)
- cedonulli, Cochlespira cedonulli (L.A. Reeve, 1843) - (COCHLESPIRIDAE)
- cedonulli, Meta cedonulli L.A. Reeve, 1859 - syn of: Parametaria dupontii (L.C. Kiener, 1846) - (COLUMBELLIDAE)
- cedonulli, Tenorioconus cedonulli (C. Linnaeus, 1767) - (CONIDAE)
- cedonulli, Conus cedonulli C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus mappa trinitarius (C.H. Hwass, 1792) - (CONIDAE)
- cedonulli, Pleurotoma cedonulli L.A. Reeve, 1843 - syn of: Cochlespira cedonulli (L.A. Reeve, 1843) - (TURRIDAE)
- cedonulli amiralis, Conus cedonulli amiralis C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus cedonulli (C. Linnaeus, 1767) - (CONIDAE)
- cedonulli caracanus, Conus cedonulli caracanus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus cedonulli (C. Linnaeus, 1767) - (CONIDAE)
- cedonulli curassaviensis, Conus cedonulli curassaviensis C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus curassaviensis (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- cedonulli dominicanus, Conus cedonulli dominicanus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus dominicanus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- cedonulli grenadensis, Conus cedonulli grenadensis C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus cedonulli (C. Linnaeus, 1767) - (CONIDAE)
- cedonulli mappa, Conus cedonulli mappa C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus mappa (J. Lightfoot, 1786) - (CONIDAE)
- cedonulli martinicanus, Conus cedonulli martinicanus C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus cedonulli (C. Linnaeus, 1767) - (CONIDAE)
- cedonulli surinamensis, Conus cedonulli surinamensis C.H. Hwass in J.G. Bruguière, 1792 - syn of: Tenorioconus mappa (J. Lightfoot, 1786) - (CONIDAE)
- cedrelarum, Dinocardium cedrelarum (L.R. Cox, 1941 †) - (CARDIIDAE) (FOSSIL)
- cedrensis, Claibornites cedrensis (Stanton 1920) † - (LUCINIDAE) (FOSSIL)
- cedrina, Paraesa cedrina L.R. Saul, 1993 † - (VENERIDAE) (FOSSIL)
- cedrocensis, Aplysia cedrocensis P. Bartsch & H.A. Rehder, 1939 - syn of: Aplysia cedrosensis P. Bartsch & H.A. Rehder, 1939 - (APLYSIIDAE)
- cedroensis, Ampullina cedroensis Clark & J.W. Durham 1946 † - (AMPULLINIDAE) (FOSSIL)
- cedroensis, Paludestrina cedroensis H.A. Pilsbry, 1927 - syn of: Pyrgulopsis cedrosensis (H.A. Pilsbry, 1927) - (HYDROBIIDAE)
- cedroensis, Pyrgulopsis cedroensis H.A. Pilsbry, 1927 - syn of: Pyrgulopsis cedrosensis (H.A. Pilsbry, 1927) - (HYDROBIIDAE)
- cedroensis, Plicatula cedroensis C.J. Maury, 1936 † - (PLICATULIDAE) (FOSSIL)
- cedroensis, Oostrombus cedroensis Clark & J.W. Durham, 1946 † - (STROMBIDAE) (FOSSIL)
- cedroensis, Pitar cedroensis Clark & J.W. Durham, 1946 † - (VENERIDAE) (FOSSIL)
- cedrorum, Multiptyxis cedrorum (Blanckenhorn, 1890 †) - (NERINELLIDAE) (FOSSIL)
- cedrorum, Pisidium cedrorum S. Clessin, 1877 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- cedrosa, Kleinella cedrosa (W.H. Dall, 1884) - (PYRAMIDELLIDAE)
- cedrosa, Parthenia cedrosa W.H. Dall, 1884 - syn of: Kleinella cedrosa (W.H. Dall, 1884) - (PYRAMIDELLIDAE)
- cedrosa, Pyrgiscus cedrosa W.H. Dall, 1884 - syn of: Kleinella cedrosa (W.H. Dall, 1884) - (PYRAMIDELLIDAE)
- cedrosa, Turbonilla cedrosa W.H. Dall, 1884 - syn of: Kleinella cedrosa (W.H. Dall, 1884) - (PYRAMIDELLIDAE)
- cedrosense, Rhabdus cedrosense L.G. Hertlein & A.M. Strong, 1951 - syn of: Episiphon innumerabile (H.A. Pilsbry & B. Sharp, 1897) - (RHABDIDAE)
- cedrosensis, Aplysia cedrosensis P. Bartsch & H.A. Rehder, 1939 - (APLYSIIDAE)
- cedrosensis, Epitonium cedrosensis H.K. Jordan & L.G. Hertlein, 1926 - syn of: Epitonium multicostatum (G.B. II Sowerby, 1844) - (EPITONIIDAE)
- cedrosensis, Pyrgulopsis cedrosensis (H.A. Pilsbry, 1927) - (HYDROBIIDAE)
- Cedrosia, Genus Cedrosia Saul & Squires, 2003 † (POTAMIDIDAE) (FOSSIL)
- cefalonicus, Napaeopsis cefalonicus (A. Mousson, 1859) - (ENIDAE)
- Ceiba, Genus Ceiba Clark & Durham, 1946 † (CASSIDAE) (FOSSIL)
- ceiba, Cerion ceiba W.J. Clench, 1948 - (CERIONIDAE)
- ceiba, Tetrentodon ceiba C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- ceiba canasiense, Cerion ceiba canasiense C.G. Aguayo & C. de la Torre, 1951 - (CERIONIDAE)
- ceiba ludovice, Cerion ceiba ludovice C. de la Torre, 1954 - (CERIONIDAE)
- ceiba ludovici, Cerion ceiba ludovici C. de la Torre, 1954 - (CERIONIDAE)
- ceiba minusculum, Cerion ceiba minusculum C.G. Aguayo & C. de la Torre, 1952 - (CERIONIDAE)
- ceiba valdesi, Cerion ceiba valdesi C. de la Torre, 1954 - (CERIONIDAE)
- ceibaensis, Ceiba ceibaensis Clark & J.W. Durham, 1946 † - (CASSIDAE) (FOSSIL)
- ceibamochensis, Tetrentodon ceibamochensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- ceibana, Turritella ceibana Cooke, 1928 † - (TURRITELLIDAE) (FOSSIL)
- ceibanus, Pecten ceibanus Cooke, 1928 † - (PECTINIDAE) (FOSSIL)
- celadense, Chondropometes vignalense celadense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- Celaeceras, Genus Celaeceras Sepkoski Jr., 2002 † (AUGURITIDAE) (FOSSIL)
- Celaenoteuthis, Genus Celaenoteuthis Naef, 1922 † (TEUTHIDA (UNASSIGNED)) (FOSSIL)
- celans, Sonninites celans Buckman † - (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- celata, Eatonina celata T.A. de M. Monterosato, 1884 - syn of: Eatonina fulgida (J. Adams, 1797) - (CINGULOPSIDAE)
- celata, Gonimyrtea celata Glover & J.D. Taylor, 2016 - (LUCINIDAE)
- Celatembryon, syn of: Genus Bothriembryon H.A. Pilsbry, 1894 (BOTHRIEMBRYONTIDAE)
- Celatoconus, Subgenus Metula (Celatoconus) T.A. Conrad, 1863 † (BUCCINIDAE) (FOSSIL)
- celator, Brachidontes celator H.B. Preston, 1911 - syn of: Brachidontes striatulus (S.C.T. Hanley, 1843) - (MYTILIDAE)
- celator, Chlamys celator H.J. Finlay, 1928 - syn of: Talochlamys zelandiae (J.E. Gray, 1843) - (PECTINIDAE)
- celatus, Clithon celatus (C.A. Récluz, 1846) - (NERITIDAE)
- celebensis, Ampullaria celebensis J.R.C. Quoy & J.P. Gaimard, 1834 - syn of: Pila ampullacea (C. Linnaeus, 1758) - (AMPULLARIIDAE)
- celebensis, Paraclathurella celebensis M.M. Schepman, 1913 - syn of: Benthomangelia celebensis (M.M. Schepman, 1913) - (CLATHURELLIDAE)
- celebensis, Paraphaedusa celebensis (E.A. Smith, 1896) - (CLAUSILIIDAE)
- celebensis, Pterocyclus celebensis (E.A. Smith) - (CYCLOPHORIDAE)
- celebensis, Corbicula celebensis E.C. Von Martens, 1897 - (CYRENIDAE)
- celebensis, Stilifer celebensis W. Kükenthal, 1897 - (EULIMIDAE)
- celebensis, Acesta celebensis (P. Bartsch, 1913) - (LIMIDAE)
- celebensis, Benthomangelia celebensis (M.M. Schepman, 1913) - (MANGELIIDAE)
- celebensis, Eucithara celebensis (R.B. Hinds, 1843) - (MANGELIIDAE)
- celebensis, Trophon celebensis M.M. Schepman, 1913 - (MURICIDAE)
- celebensis, Nassarius celebensis (M.M. Schepman, 1907) - (NASSARIIDAE)
- celebensis, Miratesta celebensis P.B. Sarasin & K.F. Sarasin, 1898 - (PLANORBIDAE)
- celebensis, Daphnella celebensis M.M. Schepman, 1913 - (RAPHITOMIDAE)
- celebensis, Tarebia granifera celebensis (J.R.C. Quoy & J.P. Gaimard, 1834) - (THIARIDAE)
- celebensis, Monilea celebensis M.M. Schepman, 1908 - (TROCHIDAE)
- celebensis, Semperula celebensis L. Forcart, 1973 - syn of: Semperula wallacei (A. Issel, 1874) - (VERONICELLIDAE)
- celebensis mantjeuriensis, Nassarius celebensis mantjeuriensis C.H. Oostingh, 1939 - syn of: Nassarius teretiusculus (A. Adams, 1852) - (NASSARIIDAE)
- celebesensis, Cataegis celebesensis J.H. McLean & J.F. Quinn, 1987 - (CATAEGIDAE)
- celebica, Ptychodon celebica Rench, 1932 - syn of: Discocharopa aperta (O.F. von Möllendorff, 1888) - (CHAROPIDAE)
- celebratum, Fuciniceras celebratum (Fucini, 1900 †) - (HILDOCERATIDAE) (FOSSIL)
- celeciai, Dischides celeciai V. Scarabino, 2008 - (GADILIDAE)
- Celectella, Subgenus Ariophanta (Celectella) Schileyko, 2002 (ARIOPHANTIDAE)
- Celekenia, Genus Celekenia Andrusov, 1902 † (BITHYNIIDAE) (FOSSIL)
- celendinensis, Drymaeus celendinensis W.K. Weyrauch, 1956 - (BULIMULIDAE)
- celendinensis, Steeriana celendinensis W.K. Weyrauch & A. Zilch, 1954 - (CLAUSILIIDAE)
- celendinensis isidroensis, Steeriana celendinensis isidroensis W.K. Weyrauch & A. Zilch, 1954 - (CLAUSILIIDAE)
- celendinensis minor, Steeriana celendinensis minor W.K. Weyrauch, 1958 - (CLAUSILIIDAE)
- celer, Protoceras celer W.A. Marsh, 1891 † - (CERATITIDA (UNASSIGNED)) (FOSSIL)
- celerae, Gibberula celerae T. McCleery, 2008 - (CYSTISCIDAE)
- celere, Stenopopanoceras celere Tozer, 1994 † - (PARAPOPANOCERATIDAE) (FOSSIL)
- celestae, Marginella celestae W. Massier & J. Rosado, 2008 - (MARGINELLIDAE)
- celestae, Syrnola celestae E. Saurin, 1959 - (PYRAMIDELLIDAE)
- celeste, Lyonsia celeste A. Pimenta & C.D. de Castro Oliveira, 2013 - (LYONSIIDAE)
- celesti, Epitonium celesti (A. Aradas, 1854) - (EPITONIIDAE)
- celestinae, Sitala celestinae K.C. Emberton & R.J. Griffiths, 2009 - (ARIOPHANTIDAE)
- celestinae, Mathoceras celestinae Barragán & Szives, 2007 † - (DESHAYESITIDAE) (FOSSIL)
- celestinae, Microcystis celestinae K.C. Emberton & R.J. Griffiths, 2009 - (EUCONULIDAE)
- celestinae, Gulella celestinae K.C. Emberton, 2001 - (STREPTAXIDAE)
- celestre, Zhonglupuceras celestre (Yabe, 1928 †) - (PSEUDOHALORITIDAE) (FOSSIL)
- Celetaia, Genus Celetaia W.J. Clench, 1966 (VIVIPARIDAE)
- celetaria, Histioteuthis celetaria (N.A. Voss, 1960) - (HISTIOTEUTHIDAE)
- celetaria pacifica, Histioteuthis celetaria pacifica (N.A. Voss, 1962) - (HISTIOTEUTHIDAE)
- celetoides, Mopalia imporcata celetoides (W.H. Dall, 1919) - (MOPALIIDAE)
- celetus, Callistochiton palmulatus celetus W.H. Dall, 1879 - (CALLISTOPLACIDAE)
- celia, Phrixgnathus celia (F.W. Hutton, 1883) - (PUNCTIDAE)
- celia, Laoma celia F.W. Hutton, 1883 - syn of: Phrixgnathus celia (F.W. Hutton, 1883) - (PUNCTIDAE)
- celidonota, Hastula celidonota (J.C. Melvill & E.R. Sykes, 1898) - (TEREBRIDAE)
- celinae, Mitrella celinae S. Kosuge, 1980 - syn of: Mitromorpha dorcas (J.T. Kuroda, T. Habe & K. Oyama, 1971) - (COLUMBELLIDAE)
- celinae, Stephadiscus celinae (M.I. Hylton-Scott, 1969) - (ENDODONTIDAE)
- celinae, Anarithma celinae S. Kosuge, 1980 - syn of: Mitromorpha dorcas (J.T. Kuroda, T. Habe & K. Oyama, 1971) - (MITROMORPHIDAE)
- celinamarumai, Dolicholatirus celinamarumai S. Kosuge, 1981 - (FASCIOLARIIDAE)
- celinamarumai, Morum celinamarumai S. Kosuge, 1981 - syn of: Morum joelgreenei W.K. Emerson, 1981 - (HARPIDAE)
- celinamarumai, Chicoreus celinamarumai S. Kosuge, 1989 - syn of: Latiaxis cerinamarumai (S. Kosuge, 1980) - (MURICIDAE)
- celinde, Therasiella celinde (J.E. Gray, 1850) - (CHAROPIDAE)
- Cellana, Genus Cellana H. Adams, 1869 (NACELLIDAE)
- cellanica, Lottia cellanica (J.M.J. Christiaens, 1980) - (LOTTIIDAE)
- cellanica, Collisella cellanica J.M.J. Christiaens, 1980 - syn of: Lottia cellanica (J.M.J. Christiaens, 1980) - (LOTTIIDAE)
- cellanoides, Notoacmea cellanoides W.R.B. Oliver, 1926 - (LOTTIIDAE)
- cellaria, Helix cellaria O.F. Müller, 1774 - syn of: Oxychilus cellarius (O.F. Müller, 1774) - (HELICIDAE)
- cellaria, Aegopinella cellaria S.E. Studer, 1820 - syn of: Aegopinella nitens (A. Michaud, 1831) - (ZONITIDAE)
- cellaria orientalis, Hyalinia cellaria orientalis S. Clessin, 1887 - syn of: Cellariopsis orientalis (S. Clessin, 1877) - (ZONITIDAE)
- cellaria sieversi, Hyalinia cellaria sieversi O. Böttger, 1879 - syn of: Conulopolita sieversi (O. Böttger, 1879) - (ZONITIDAE)
- cellaria subapertus, Hyalinia cellaria subapertus O. Böttger, 1879 - syn of: Conulopolita sieversi (O. Böttger, 1879) - (ZONITIDAE)
- Cellariopsis, Subgenus Schistophallus (Cellariopsis) A. Wagner, 1914 (ZONITIDAE)
- cellarius, Limax cellarius M. Lessona & C. Pollonera, 1892 - syn of: Limax maximus C. Linnaeus, 1758 - (LIMACIDAE)
- cellarius, Oxychilus cellarius (O.F. Müller, 1774) - (OXYCHILIDAE)
- cellarius, Ortizius cellarius S .de Fez, 1961 - syn of: Ortizius mercadali L. Gasull, 1970 - (OXYCHILIDAE)
- celleneuva, Menkia celleneuva H.D. Boeters, E. Gittenberger & P. Subai, 1985 - (ACICULIDAE)
- cellensis, Anodonta cellensis W. Kobelt, 1879 - syn of: Sinanodonta woodiana (I. Lea, 1834) - (UNIONIDAE)
- cellensis, Anodonta cygnea cellensis (J.F. Gmelin, 1791) - (UNIONIDAE)
- cellensis beringiana, Anodonta cellensis beringiana A.T. von Middendorff, 1851 - syn of: Anodonta beringiana (A.T. von Middendorff, 1851) - (UNIONIDAE)
- cellensis micheli, Anodonta cellensis micheli H. Modell, 1945 - syn of: Anodonta cygnea (C. Linnaeus, 1758) - (UNIONIDAE)
- celleporacea, Acar celleporacea R. Tate, 1886 † - (ARCIDAE) (FOSSIL)
- celloni, Patrocardia celloni Kriz 1999 † - (LUNULACARDIIDAE) (FOSSIL)
- cellophana, Pinna cellophana (A. Matsukuma & T.A. Okutani, 1986) - (PINNIDAE)
- cellophana, Cyrtopinna cellophana A. Matsukuma & T.A. Okutani, 1986 - syn of: Pinna cellophana (A. Matsukuma & T.A. Okutani, 1986) - (PINNIDAE)
- cellularis, Chlamys cellularis W.R.B. Oliver, 1915 - syn of: Pascahinnites coruscans (R.B. Hinds, 1845) - (PECTINIDAE)
- cellulifera, Vexillum cellulifera (T.A. Conrad, 1848 †) - (COSTELLARIIDAE) (FOSSIL)
- cellulita, Nuculana cellulita (W.H. Dall, 1896) - (NUCULANIDAE)
- cellulosa, Favartia cellulosa (T.A. Conrad, 1846) - (MURICIDAE)
- cellulosa, Murex cellulosa T.A. Conrad, 1846 - syn of: Favartia cellulosa (T.A. Conrad, 1846) - (MURICIDAE)
- cellulosa, Ocinebrina cellulosa T.A. Conrad, 1846 - syn of: Favartia cellulosa (T.A. Conrad, 1846) - (MURICIDAE)
- cellulosa, Ocenebra cellulosa T.A. Conrad, 1846 - syn of: Favartia cellulosa (T.A. Conrad, 1846) - (MURICIDAE)
- cellulosus, Phragmolites cellulosus Ulrich & Scofield, 1897 † - (BUCANIIDAE) (FOSSIL)
- celox, Scaphula celox W.H. Benson, 1836 - (ARCIDAE)
- Celox, Genus Celox Shimanskiy, 1967 † (GZHELOCERATIDAE) (FOSSIL)
- celsa, Aegista celsa H.A. Pilsbry & Y. Hirase, 1908 - (BRADYBAENIDAE)
- celsa, Celsiphaedusa celsa (P.V. Gredler, 1892.) - (CLAUSILIIDAE)
- celsa, Zeatoma celsa (J. Marwick, 1931 †) - (CONOIDEA (UNASSIGNED)) (FOSSIL)
- celsa, Cosa celsa (B.C. Cotton, 1931) - (PHILOBRYIDAE)
- celsa, Cetomya celsa E.M. Krylova, 2001 - (POROMYIDAE)
- celsa, Pycnoptychia humboldtii celsa C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Celsiphaedusa, Genus Celsiphaedusa H. Nordsieck 2001 (CLAUSILIIDAE)
- celsum, Chondropoma pictum celsum C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- celtiberica, Corbellaria celtiberica H. Callot-Girardi & H.D. Boeters, 2012 - (HYDROBIIDAE)
- celtiberica, Hemitissotia celtiberica Wiedmann, 1978 † - syn of: Hemitissotia ceadouroensis (Choffat, 1898 †) - (VASCOCERATIDAE) (FOSSIL)
- celtica, Bithynia celtica J.R. Bourguignat - syn of: Bithynia leachii (R. Sheppard, 1823) - (BITHYNIIDAE)
- celtica, Gadila celtica V. Scarabino & F. Scarabino, 2011 - (GADILIDAE)
- celtica, Tegulaherpia celtica C.M. Caudwell, A.M. Jones & I.J. Killeen, 1995 - syn of: Tegulaherpia myodoryata L. Salvini-Plawén, 1988 - (LEPIDOMENIIDAE)
- celtica, Limatula celtica J.A. Allen, 2004 - (LIMIDAE)
- celtica, Onchidella celtica (G.L.C.F.D. Cuvier, 1816) - (ONCHIDIIDAE)
- celtica, Pseudarca celtica Tunnicliff, 1987 † - (PSEUDARCIDAE) (FOSSIL)
- Celticola, Genus Celticola C.M. Cooke & Y. Kondo, 1960 (ACHATINELLIDAE)
- celticum, Lytoceras celticum (D. Geyer, 1886 †) - (LYTOCERATIDAE) (FOSSIL)
- celticum, Trematoceras celticum (Mojsisovics, 1873 †) - (ORTHOCERATIDAE) (FOSSIL)
- celticum, Orthoceras celticum Mojsisovics, 1873 † - syn of: Trematoceras celticum (Mojsisovics, 1873 †) - (ORTHOCERATIDAE) (FOSSIL)
- celtiformis, Cuneopsis celtiformis (P.M. Heude, 1874) - (UNIONIDAE)
- Celtites, Genus Celtites Mojsisovics, 1882 † (CELTITIDAE) (FOSSIL)
- CELTITIDAE Mojsisovics, 1893 † - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-TURRILITINA [Order]-TROPITOIDEA [Superfamily]) (FOSSIL)
- Celtoconcha, Genus Celtoconcha Cope, 1996 † (MODIOMORPHIDA (UNASSIGNED)) (FOSSIL)
- Celtoides, Genus Celtoides Newell, 1957 † (KALENTERIDAE) (FOSSIL)
- celzardi, Cuspivolva celzardi (D. Fehse, 2008) - (OVULIDAE)
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ing
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