- cohaerentia, Spirolaxis cohaerentia C.R. Laws, 1944 - syn of: Spirolaxis rotulacatharinea (J.C. Melvill & R. Standen, 1903) - (ARCHITECTONICIDAE)
- cohellia, Bosellia cohellia Ev. Marcus, 1978 - (BOSELLIIDAE)
- cohenae, Cypraea cohenae C.M. Burgess, 1965 - syn of: Cypraeovula fuscodentata cohenae (C.M. Burgess, 1965) - (CYPRAEIDAE)
- cohenae, Cypraeovula fuscodentata cohenae (C.M. Burgess, 1965) - (CYPRAEIDAE)
- coheni, Baylea coheni E.L. Yochelson, 1962 † - (GOSSELETINIDAE) (FOSSIL)
- coheni, Pachyhemihoplites coheni (Sarkar, 1955 †) - (HEMIHOPLITIDAE) (FOSSIL)
- coheni, Spekia coheni A. West, 1999 - (PALUDOMIDAE)
- coheni, Pleurotomaria coheni C. Gemmellaro, 1889 † - (PLEUROTOMARIIDAE) (FOSSIL)
- coheni, Notoscabrotrigonia coheni Leanza 1993 † - (PTEROTRIGONIIDAE) (FOSSIL)
- cohibilis, Acteon cohibilis Á. Valdés, 2008 - (ACTEONIDAE)
- Cohutta, syn of: Genus Stenotrema C.S. Rafinesque, 1819 (POLYGYRIDAE)
- cohuttense, Stenotrema cohuttense W.F. Clapp, 1914 - (POLYGYRIDAE)
- coi, Goniobranchus coi (J.J. Risbec, 1956) - (CHROMODORIDIDAE)
- coi, Glossodoris coi J.J. Risbec, 1956 - syn of: Goniobranchus coi (J.J. Risbec, 1956) - (CHROMODORIDIDAE)
- coihuicoensis, Ptychomya koeneni coihuicoensis Behrendsen, 1892 † - (PTYCHOMYIDAE) (FOSSIL)
- Coilopoceras, Genus Coilopoceras Hyatt , 1903 (COILOPOCERATIDAE) (FOSSIL)
- COILOPOCERATIDAE Hyatt, 1903 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ACANTHOCERATOIDEA [Superfamily]) (FOSSIL)
- Coilostele, Genus Coilostele W.H. Benson, 1864 (FERUSSACIIDAE)
- coindetii, Loligo coindetii J.B. Vérany, 1839 - syn of: Illex coindetii (J.B. Vérany, 1839) - (LOLIGINIDAE)
- coindetii, Illex coindetii (J.B. Vérany, 1839) - (OMMASTREPHIDAE)
- coirala, Hermaea coirala Er. Marcus, 1955 - (HERMAEIDAE)
- coislinense, Cardium coislinense A.E.M. Cossmann, 1905 † - (CARDIIDAE) (FOSSIL)
- coislinense, Bittium coislinense A.E.M. Cossmann, 1897 † - (CERITHIIDAE) (FOSSIL)
- coislinensis, Turricula coislinensis A.E.M. Cossmann, 1898 † - (CLAVATULIDAE) (FOSSIL)
- coislinensis, Tellina coislinensis A.E.M. Cossmann, 1906 † - (TELLINIDAE) (FOSSIL)
- coislinensis, Tivelina coislinensis A.E.M. Cossmann, 1907 † - (VENERIDAE) (FOSSIL)
- coix, Neilonella dubia coix T. Habe, 1951 - (NEILONELLIDAE)
- cojimbensis, Mactra cojimbensis H.E. Anton, 1837 - syn of: Mulinia edulis (King, 1831) - (MACTRIDAE)
- cokeri, Fissurella cokeri W.H. Dall, 1909 - syn of: Fissurella virescens G.B. I Sowerby, 1835 - (FISSURELLIDAE)
- cokeri, Aligena cokeri W.H. Dall, 1909 - (LASAEIDAE)
- Cokeria, syn of: Genus Amblema C.S. Rafinesque, 1820 (UNIONIDAE)
- cokerianus, Bostryx cokerianus (W.H. Dall, 1909) - (BULIMULIDAE)
- cokyae, Oliva cokyae E.J. Petuch, 1991 † - (OLIVIDAE) (FOSSIL)
- cola, Transennella cola W.P. Woodring, 1982 † - (VENERIDAE) (FOSSIL)
- colabrensis, Subcochliopa colabrensis J.P.E. Morrison, 1946 - (COCHLIOPIDAE)
- Colapterochiton, Genus Colapterochiton Hoare & Mapes, 1985 (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- colbeaui, Cleopatra colbeaui A. Craven, 1880 - (PALUDOMIDAE)
- colbeaui, Valvata colbeaui J.F.X. Roffiaen, 1869 - (VALVATIDAE)
- colbeauiana, Cristataria colbeauiana (L. Pfeiffer, 1862) - (CLAUSILIIDAE)
- colbeauiana, Oxyloma colbeauiana A.H.R. de Malzine, 1867 - syn of: Oxyloma elegans (A. Risso, 1826) - (SUCCINEIDAE)
- colbeauiana inversa, Cristataria colbeauiana inversa P.M. Heude, 1886 - syn of: Excussispira inversa (P.M. Heude, 1886) - (CLAUSILIIDAE)
- colbecki, Adamussium colbecki (Smith, 1902) - (PECTINIDAE)
- colcabambensis, Hemicena cerrateae colcabambensis A. Zilch, 1959 - (CLAUSILIIDAE)
- colcanapi, Oxytropidoceras colcanapi M. Collignon 1936 † - (BRANCOCERATIDAE) (FOSSIL)
- colcanapi, Menuthiocrioceras colcanapi M. Collignon, 1962 † - (CRIOCERATITIDAE) (FOSSIL)
- colcanapi, Parapedioceras colcanapi M. Collignon, 1962 † - (PROTANCYLOCERATIDAE) (FOSSIL)
- colcanapi, Ostlingoceras colcanapi (Boule, Lemoine & Thévenin, 1907 †) - (TURRILITIDAE) (FOSSIL)
- colchaguana, Pitar colchaguana (L.H. Hupé, 1854 †) - (VENERIDAE) (FOSSIL)
- colchaguensis, Glycymeris colchaguensis L.H. Hupé, 1854 † - (GLYCYMERIDIDAE) (FOSSIL)
- colchica, Clausilia colchica L. Parreyss in L. Pfeiffer, 1857 - syn of: Caucasica somchetica (L. Pfeiffer, 1846) - (CLAUSILIIDAE)
- colchica, Helix colchica A. Mousson, 1863 - syn of: Circassina frutis (L. Pfeiffer, 1859) - (HELICIDAE)
- colchica, Hippeutis colchica W.A. Lindholm - syn of: Hippeutis complanatus (C. Linnaeus, 1758) - (PLANORBIDAE)
- colchicum, Proaustraliceras colchicum (Kakabadze, 1977 †) - (ANCYLOCERATIDAE) (FOSSIL)
- colchicum, Ammonitoceras colchicum Kakabadze, 1981 † - (ANCYLOCERATIDAE) (FOSSIL)
- colchicus, Colchidites colchicus Djanelidze, 1926 † - (ANCYLOCERATIDAE) (FOSSIL)
- colchicus, Limax colchicus H.R. Simroth, 1898 - (LIMACIDAE)
- colchicus, Theodoxus colchicus (N.I. Andrusov, 1912 †) - (NERITIDAE) (FOSSIL)
- colchicus, Unio colchicus H. Drouët, 1881 - syn of: Unio crassus L. Philipsson in A. Retzius, 1788 - (UNIONIDAE)
- colchicus renngarteni, Colchidites colchicus renngarteni Rouchadze, 1938 † - (ANCYLOCERATIDAE) (FOSSIL)
- colchidense, Audouliceras colchidense (Rouchadze, 1933 †) - (ANCYLOCERATIDAE) (FOSSIL)
- Colchidites, Genus Colchidites Kakabadze & Thieuloy, 1991 (ANCYLOCERATIDAE) (FOSSIL)
- Coleglabra, Genus Coleglabra W.F. Ponder, H. Fukuda & A. Hallan, 2014 (CLENCHIELLIDAE)
- colei, Diaphana colei J. Fleming, 1948 - syn of: Diaphana brazieri G.F. Angas, 1877 - (DIAPHANIDAE)
- colei, Hexaplex colei K.V.W. Palmer, 1937 † - (MURICIDAE) (FOSSIL)
- colei, Paulotropites colei A.G. Smith, 1927 † - (TROPITIDAE) (FOSSIL)
- colellai, Elachisina colellai Cunha, F.N. Santos & Lima, 2016 - (ELACHISINIDAE)
- colellai, Siratus colellai (R. Houart, 1999) - (MURICIDAE)
- colemanensis, Juresanites colemanensis (Plummer & P.H. Scott, 1937 †) - (METALEGOCERATIDAE) (FOSSIL)
- colemani, Amalda colemani T. Ninomiya, 1991 - (ANCILLARIIDAE)
- colemani, Pycnomphalus colemani Parks, 1915 † - (ANOMPHALIDAE) (FOSSIL)
- colemani, Chromodoris colemani W.B. Rudman, 1982 - (CHROMODORIDIDAE)
- colemani, Phyllodesmium colemani W.B. Rudman, 1991 - (FACELINIDAE)
- colemani, Tripterotyphis colemani W.F. Ponder, 1972 - syn of: Tripterotyphis lowei colemani (W.F. Ponder, 1972) - (MURICIDAE)
- colemani, Tripterotyphis lowei colemani (W.F. Ponder, 1972) - (MURICIDAE)
- colemani, Rhytimya colemani C.C. Stewart, 1920 † - (PHOLADOMYIDAE) (FOSSIL)
- colemani, Melibe colemani T.M. Gosliner & M. Pola, 2012 - (TETHYDIDAE)
- colenseni, Buccinulum colenseni H.H. Suter, 1908 - syn of: Buccinulum colensoi (H.H. Suter, 1908) - (BUCCINIDAE)
- colensis, Austropyrgus colensis A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- colensoi, Buccinulum colensoi (H.H. Suter, 1908) - (BUCCINIDAE)
- colensoi, Cavellia colensoi (H.H. Suter, 1890) - (CHAROPIDAE)
- Colenuda, Genus Colenuda W.F. Ponder, H. Fukuda & A. Hallan, 2014 (CLENCHIELLIDAE)
- Coleoconcha, Genus Coleoconcha K.H. Barnard, 1964 (GALEOMMATIDAE)
- Coleodiscopsis, syn of: Genus Atlanta C.A. Lesueur, 1817 (ATLANTIDAE)
- COLEOIDEA (UNASSIGNED) - Family (CEPHALOPODA-COLEOIDEA [Subclass]) (FOSSIL)
- Coleolella, Genus Coleolella Missarzhevskii, 1969 (COLEOLIDAE) (FOSSIL)
- COLEOLIDAE Fischer, 1962 - Family (TENTACULITA-COLEOLIDA [Order]) (FOSSIL)
- Coleolus, Genus Coleolus Hall, 1879 (COLEOLIDAE) (FOSSIL)
- Coleomactra, syn of: Subgenus Mactra (Coelomactra) W.H. Dall, 1895 (MACTRIDAE)
- Coleophysis, syn of: Genus Retusa T. Brown, 1827 (RETUSIDAE)
- Coleophysis, syn of: Genus Retusa T. Brown, 1827 (RETUSIDAE)
- Coleoprion, Genus Coleoprion Hall, 1876 (COLEOLIDAE) (FOSSIL)
- coleri, Strioterebrum coleri Engerrand & Urbina, 1910 † - (TEREBRIDAE) (FOSSIL)
- colesae, Alcithoe colesae P. Bail & A. Limpus, 2005 - (VOLUTIDAE)
- colettae, Microcassis colettae G. Paulmier, 1997 - syn of: Pachybathron cassidiforme J.S. Gaskoin, 1853 - (CYSTISCIDAE)
- coletteae, Conus coletteae E.J. Petuch, 2013 - syn of: Conasprella mcgintyi (H.A. Pilsbry, 1955) - (CONIDAE)
- coletteae, Cleotrivia coletteae (D. Fehse, 1999) - (TRIVIIDAE)
- coleyi, Glyptoleda coleyi E.M. Fletcher, 1945 † - (NUCULANIDAE) (FOSSIL)
- Colga, Genus Colga L.S.R. Bergh, 1880 (POLYCERIDAE)
- coli, Priscofusus coli W.H. Dall † - (FASCIOLARIIDAE) (FOSSIL)
- Colicryptus, syn of: Genus Turrisipho P. Dautzenberg & H. Fischer, 1912 (BUCCINIDAE)
- colima, Natica colima A.M. Strong & L.G. Hertlein, 1937 - (NATICIDAE)
- colimaensis, Ischnochiton colimaensis A.G. Smith, 1961 - syn of: Callistochiton colimensis (A.G. Smith, 1961) - (ISCHNOCHITONIDAE)
- colimana, Opalia colimana L.G. Hertlein & A.M. Strong, 1951 - (EPITONIIDAE)
- colimana, Turbonilla colimana L.G. Hertlein & A.M. Strong, 1951 - (PYRAMIDELLIDAE)
- colimense, Leptopeas colimense (J.C.H. Crosse & P.H. Fischer, 1869) - (SUBULINIDAE)
- colimensis, Drymaeus colimensis H. Rolle, 1895 - (BULIMULIDAE)
- colimensis, Callistochiton colimensis (A.G. Smith, 1961) - (CALLISTOPLACIDAE)
- colimensis, Caryocorbula colimensis (E.V. Coan, 2002) - (CORBULIDAE)
- colimensis, Orthalicus colimensis H. Rolle, 1895 - syn of: Orthalicus elegans H. Rolle, 1895 - (ORTHALICIDAE)
- Colina, Genus Colina H. Adams & A. Adams, 1854 (CERITHIIDAE)
- COLINATYDIDAE Oskars, Bouchet & Malaquias, 2015 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-DIAPHANOIDEA [Superfamily])
- Colinatys, Genus Colinatys Ortea, Moro & Espinosa, 2013 (COLINATYDIDAE)
- colinensis, Strombina colinensis F. Hodson, 1931 † - (COLUMBELLIDAE) (FOSSIL)
- colinensis, Prunum colinensis F. Hodson, 1927 † - (MARGINELLIDAE) (FOSSIL)
- colinensis, Nodipecten colinensis F. Hodson & F. Hodson, 1927 † - (PECTINIDAE) (FOSSIL)
- colini, Clavatula colini H. von Maltzan, 1883 - (CLAVATULIDAE)
- colini, Vitreolina colini J. Espinosa & J.A. Ortea, 2006 - (EULIMIDAE)
- colini, Sarmaturbo colini (King, 1931 †) - (TURBINIDAE) (FOSSIL)
- Colinia, syn of: Genus Colina H. Adams & A. Adams, 1854 (CERITHIIDAE)
- Coliolus, syn of: Genus Ganesella W.T. Blanford, 1863 (CAMAENIDAE)
- Coliracemata, Genus Coliracemata W.F. Ponder, H. Fukuda & A. Hallan, 2014 (CLENCHIELLIDAE)
- coliseoensis, Microceramus coliseoensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- coliseoensis, Tetrentodon coliseoensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- collabra, Shwedagonia collabra Batten, 1972 † - (GOSSELETINIDAE) (FOSSIL)
- Collabrina, Genus Collabrina Waterhouse , 1978 (GOSSELETINIDAE) (FOSSIL)
- collactea, Semicassis labiata collactea H.J. Finlay, 1928 - (CASSIDAE)
- collacteum, Cerithium collacteum T. Iredale, 1929 - syn of: Cerithium nesioticum H.A. Pilsbry & E.G. Vanatta, 1906 - (CERITHIIDAE)
- collapsa, Piscoacritia collapsa DeVries & Hess, 2004 † - (TROCHIDAE) (FOSSIL)
- collapsus, Pecten collapsus White, 1887 † - (PECTINIDAE) (FOSSIL)
- collaria, Nassa collaria C.B. Adams, 1852 - syn of: Nassarius scabriusculus (W.L. Powys, 1835) - (NASSARIIDAE)
- collaria, Natica collaria J.B.P.A. Lamarck, 1822 - syn of: Natica collaris J.H.F. Link, 1804 - (NATICIDAE)
- collarifera, Diplommatina collarifera P.B. Schmacker & O. Böttger, 1890 - (DIPLOMMATINIDAE)
- collarifera, Hemicycla collarifera O. Böttger, 1888 - syn of: Hemicycla bidentalis (J.B.P.A. Lamarck, 1811) - (HELICIDAE)
- collarifera okiensis, Diplommatina collarifera okiensis H.A. Pilsbry & Y. Hirase, 1908 - syn of: Diplommatina okiensis H.A. Pilsbry & Y. Hirase, 1908 - (DIPLOMMATINIDAE)
- collarifera tenuiplica, Diplommatina collarifera tenuiplica H.A. Pilsbry, 1900 - (DIPLOMMATINIDAE)
- collaris, Achatinella mustelina collaris D.A. Welch, 1938 - (ACHATINELLIDAE)
- collaris, Aeolidia collaris N.H. Odhner, 1921 - (AEOLIDIIDAE)
- collaris, Juliania collaris (Sowerby, 1846 †) - (ARCHITECTONICIDAE) (FOSSIL)
- collaris, Columbella collaris L.A. Reeve, 1859 - syn of: Euplica scripta (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- collaris, Euplica collaris L.A. Reeve, 1859 - syn of: Euplica scripta (J.B.P.A. Lamarck, 1822) - (COLUMBELLIDAE)
- collaris, Phanerophthalmus collaris N.B. Eales, 1938 - (HAMINOEIDAE)
- collaris, Natica collaris J.H.F. Link, 1804 - (NATICIDAE)
- collaris, Pilsbryspira collaris (G.B. I Sowerby, 1834) - (PSEUDOMELATOMIDAE)
- collaris, Ringicula collaris B.M. Landau, F. Da Silva & S.M. Heitz, 2016 † - (RINGICULIDAE) (FOSSIL)
- collaris, Sculptaria sculpturata collaris L. Pfeiffer, 1867 - (SCULPTARIIDAE)
- collaris, Triphora collaris R.B. Hinds, 1843 - (TRIPHORIDAE)
- collaris, Trochus collaris Sowerby, 1846 † - syn of: Juliania collaris (Sowerby, 1846 †) - (TROCHIDAE) (FOSSIL)
- collaris, Pleurotoma collaris G.B. I Sowerby, 1834 - syn of: Pilsbryspira collaris (G.B. I Sowerby, 1834) - (TURRIDAE)
- collaris, Brachypodella collaris (A.E.J. Férussac, 1821) - (UROCOPTIDAE)
- collarius, Nassarius collarius (C.B. Adams, 1852) - (NASSARIIDAE)
- collarubra, Syntomodrillia collarubra McNeil, 1984 † - (DRILLIIDAE) (FOSSIL)
- collarus, Copidocatomus collarus E.G. Linsley, 1968 † - (MICRODOMATIDAE) (FOSSIL)
- collasi, Sciocochlea collasi (R. Sturany, 1904) - (CLAUSILIIDAE)
- collata, Flexopteron collata (R.J.L. Guppy, 1873 †) - (MURICIDAE) (FOSSIL)
- collatata, Doris collatata F.D. Abraham, 1877 - (DORIDIDAE)
- collaterale, Exechestoma collaterale (G.P. Deshayes, 1833 †) - (POTAMIDIDAE) (FOSSIL)
- collaticia, Alectrion collaticia J.C. Melvill & R. Standen, 1901 † - syn of: Tritia sinusigera (A. Adams, 1852) - (NASSARIIDAE) (FOSSIL)
- collator, Melanella collator (C.R. Laws, 1944 †) - (EULIMIDAE) (FOSSIL)
- collaxis, Rissoina collaxis (C.F. Laseron, 1956) - (RISSOINIDAE)
- collazica, Scapharca collazica L.G. Sheldon & C.J. Maury, 1920 † - (ARCIDAE) (FOSSIL)
- collazica, Ostrea collazica C.J. Maury, 1920 † - (OSTREIDAE) (FOSSIL)
- collazoensis, Ampullina collazoensis Hubbard, 1920 † - syn of: Ampullinopsis spenceri Cooke, 1919 † - (AMPULLINIDAE) (FOSSIL)
- collea, Odostomia collea P. Bartsch, 1926 - (PYRAMIDELLIDAE)
- collectitia, Pyrgulina collectitia Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- collectiva, Egerea collectiva Gábor, 1936 † - (CANCELLARIIDAE) (FOSSIL)
- Collectoceras, syn of: Genus Tympanoceras Ruzhencev , 1958 (CRAVENOCERATIDAE) (FOSSIL)
- colleenae, Rissoella colleenae W.F. Ponder & E.K. Yoo, 1977 - (RISSOELLIDAE)
- colleenae pacifica, Rissoella colleenae pacifica W.F. Ponder & E.K. Yoo, 1977 - (RISSOELLIDAE)
- collega, Favartia collega (Boettger, 1906 †) - (MURICIDAE) (FOSSIL)
- collegni, Chemnitzia collegni Stoppani, 1857 † - syn of: Omphaloptycha aldrovandii (Stoppani, 1857 †) - (PYRAMIDELLIDAE) (FOSSIL)
- collegnoi, Sulcogladius collegnoi (L.M.D. Bellardi & O.G. Michelotti, 1841 † †) - (ROSTELLARIIDAE) (FOSSIL)
- collegnoi curvirostrata, Sulcogladius collegnoi curvirostrata F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- collegnoi latesulcata, Sulcogladius collegnoi latesulcata F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- collegnoi pluridenticulata, Sulcogladius collegnoi pluridenticulata F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- collegnoi rotundolaevis, Sulcogladius collegnoi rotundolaevis F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- collegnoi supralaevis, Sulcogladius collegnoi supralaevis F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- collegnoi taurocolligens, Sulcogladius collegnoi taurocolligens F. Sacco, 1893 † - (ROSTELLARIIDAE) (FOSSIL)
- collellensis, Moitessieria collellensis J. Corbella, D.M. Alba, A. Tarruella, L. Prats & G. Guillén, 2006 - (MOITESSIERIIDAE)
- collenoti, Promathildia collenoti (Martin, 1862 †) - (GORDENELLIDAE) (FOSSIL)
- collensis, Cernuella collensis E. Caziot, 1910 - syn of: Cernuella virgata (E.M. Da Costa, 1778) - (HYGROMIIDAE)
- colleta, Olivella colleta W.H. Dall, 1915 † - syn of: Jaspidella cofacorys (J. Gardner, 1937 †) - (OLIVELLIDAE) (FOSSIL)
- colleta, Jaspidella colleta (W.H. Dall, 1915 †) - (OLIVIDAE) (FOSSIL)
- colleti, Colchidites colleti Rouchadze, 1933 † - (ANCYLOCERATIDAE) (FOSSIL)
- colleti, Coilopoceras colleti A. Hyatt, 1903 † - (COILOPOCERATIDAE) (FOSSIL)
- colleti, Taramelliceras colleti Lee, 1905 † - (OPPELIIDAE) (FOSSIL)
- colleti sahoriensis, Colchidites colleti sahoriensis Rouchadze, 1938 † - (ANCYLOCERATIDAE) (FOSSIL)
- Colletopterum, syn of: Genus Anodonta J.B.P.A. Lamarck, 1799 (UNIONIDAE)
- collettae, Glessula collettae E.R. Sykes, 1898 - (SUBULINIDAE)
- colletti, Euplecta colletti (E.R. Sykes, 1897) - (ARIOPHANTIDAE)
- colletti, Kaliella colletti E.R. Sykes, 1899 - (CHRONIDAE)
- colletti, Corilla colletti E.R. Sykes, 1897 - (CORILLIDAE)
- colletti, Tortulosa colletti (E.R. Sykes, 1898) - (PUPINIDAE)
- collicella, Australdonta collicella G. Zimmermann, O. Gargominy & Fontaine, 2009 - (ENDODONTIDAE)
- colliciare, Phragmoceras colliciare Foerste, 1929 † - (PHRAGMOCERATIDAE) (FOSSIL)
- colliciatus, Hippurites colliciatus Woodward, 1855 † - (HIPPURITIDAE) (FOSSIL)
- colliculus, Omphalius rusticus colliculus G.B. III Sowerby, 1913 - (TEGULIDAE)
- Colliculus, syn of: Genus Gibbula Risso, 1826 (TROCHIDAE) (FOSSIL)
- colliei, Naticarius colliei (C.A. Récluz, 1844) - (NATICIDAE)
- collieri, Spiralix collieri (J.L. Nicolas, 1891) - (MOITESSIERIIDAE)
- colligata, Cypraeovula colligata F.Jr. Lorenz, 2002 - (CYPRAEIDAE)
- colligata, Nerinea colligata Stanton, 1947 † - (NERINEIDAE) (FOSSIL)
- colligata, Pyrgulina colligata Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- colligata, Petaloconchus glomeratus colligata A.E.M. Cossmann & M.A. Peyrot, 1922 † - (VERMETIDAE) (FOSSIL)
- colligatus, Pachydiscus colligatus (Binkhorst, 1861 †) - (DESMOCERATIDAE) (FOSSIL)
- colligens, Loxacypraea colligens (F. Sacco, 1894 †) - (CYPRAEIDAE) (FOSSIL)
- collignoni, Pseudaspidoceras collignoni Cobban & P.H. Scott, 1972 † - (ACANTHOCERATIDAE) (FOSSIL)
- collignoni, Eucalycoceras collignoni (Fabre, 1940 †) - (ACANTHOCERATIDAE) (FOSSIL)
- collignoni, Ampakabites collignoni Cobban & P.H. Scott, 1972 † - syn of: Pseudaspidoceras collignoni Cobban & P.H. Scott, 1972 † - (ACANTHOCERATIDAE) (FOSSIL)
- collignoni, Jaubertites collignoni Sarkar, 1955 † - (ANCYLOCERATIDAE) (FOSSIL)
- collignoni, Parabehavites collignoni Fabre, 1940 † - syn of: Eucalycoceras collignoni (Fabre, 1940 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- collignoni, Cymatonautilus collignoni Tinant, 1969 † - (CYMATOCERATIDAE) (FOSSIL)
- collignoni, Iranoknemiceras collignoni Mahmoud, 1955 † - (KNEMICERATIDAE) (FOSSIL)
- collignoni, Laevitrigonia collignoni L.R. Cox, 1964 † - syn of: Malagasitrigonia collignoni (L.R. Cox, 1964 †) - (LAEVITRIGONIIDAE) (FOSSIL)
- collignoni, Tegoceras collignoni Breistroffer, 1953 † - (LYELLICERATIDAE) (FOSSIL)
- collignoni, Carinophylloceras collignoni Klinger & al., 1975 † - (PHYLLOCERATIDAE) (FOSSIL)
- collignoni, Tetravaccinites collignoni Bilotte, 1981 † - (REQUIENIIDAE) (FOSSIL)
- collignoni, Tetragonites collignoni Breistroffer 1940 † - (TETRAGONITIDAE) (FOSSIL)
- collignoni, Malagasitrigonia collignoni (L.R. Cox, 1964 †) - (TRIGONIIDAE) (FOSSIL)
- Collignonicardia, Genus Collignonicardia Mahmoud, 1955 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- Collignoniceras, Genus Collignoniceras Breistroffer , 1947 (COLLIGNONICERATIDAE) (FOSSIL)
- COLLIGNONICERATIDAE Wright & Wright, 1951 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-AMMONITIDA [Order]-ACANTHOCERATOIDEA [Superfamily]) (FOSSIL)
- Collignonicerites, Genus Collignonicerites Kennedy & al., 2001 (COLLIGNONICERATIDAE) (FOSSIL)
- Collignonites, Genus Collignonites Bando , 1977 (PROPTYCHITIDAE) (FOSSIL)
- Colligyrus, Genus Colligyrus R. Hershler, 1999 (HYDROBIIDAE)
- collina, Achatina collina H. Drouët, 1855 - syn of: Cochlicopa lubricella (C. Porro, 1838) - (ACHATINIDAE)
- collina, Cochlicopa collina H. Drouët, 1855 - syn of: Cochlicopa lubricella (C. Porro, 1838) - (COCHLICOPIDAE)
- Collina, Genus Collina Bonarelli, 1893 (DACTYLIOCERATIDAE) (FOSSIL)
- collina, Drillia collina K.H. Barnard, 1958 - (DRILLIIDAE)
- collina, Volvarina collina A.A. Olsson, 1922 † - (MARGINELLIDAE) (FOSSIL)
- collina, Succinea collina S.C.T. Hanley & W. Theobald - (SUCCINEIDAE)
- collina, Diplodonta collina A.A. Olsson, 1922 † - (UNGULINIDAE) (FOSSIL)
- collina, Pleurobema collina T.A. Conrad, 1837 - (UNIONIDAE)
- collina, Vertigo collina C.A. Westerlund, 1871 - syn of: Vertigo pusilla O.F. Müller, 1774 - (VERTIGINIDAE)
- collinae, Grandicrepidula collinae B.A. Marshall, 2003 - (CALYPTRAEIDAE)
- Collingea, Subgenus Microparmarion (Collingea) H.R. Simroth, 1898 (ARIOPHANTIDAE)
- Collingea, syn of: Genus Microparmarion H.R. Simroth, 1893 (ARIOPHANTIDAE)
- collingei, Tandonia collingei P. Hesse, 1926 - syn of: Tandonia sowerbyi (A.E.J. Férussac, 1823) - (MILACIDAE)
- collingei, Tegula collingei J.C. Melvill, 1904 - (TEGULIDAE)
- collingi, Bythinella collingi H.D. Boeters, 2009 - (BYTHINELLIDAE)
- collingi, Corrosella collingi (H.D. Boeters, H. Girardi & T. Knebelsberger, 2015) - (HYDROBIIDAE)
- collingi, Discartemon collingi (E.R. Sykes, 1902) - (STREPTAXIDAE)
- collingii, Setobaudinia collingii (E.A. Smith, 1893) - (CAMAENIDAE)
- collingii, Helix collingii E.A. Smith, 1893 - syn of: Setobaudinia collingii (E.A. Smith, 1893) - (HELICIDAE)
- collingsworthensis, Murchisonia collingsworthensis Beede, 1907 † - syn of: Cibecuia gouldii (Beede, 1907 †) - (MURCHISONIIDAE) (FOSSIL)
- collingwoodi, Goniobranchus collingwoodi (W.B. Rudman, 1987) - (CHROMODORIDIDAE)
- colliniana, Euomphalia colliniana J.R. Bourguignat - syn of: Euomphalia strigella (J.P.R. Draparnaud, 1801) - (HYGROMIIDAE)
- collinii, Ena collinii A. Michaud, 1831 - syn of: Ena montana (J.P.R. Draparnaud, 1801) - (ENIDAE)
- collinii, Neomorphoceras collinii (Oppel, 1857 †) - (PERISPHINCTIDAE) (FOSSIL)
- collinsae, Dentalium collinsae K.L. Lamprell & J.M. Healy, 1998 - (DENTALIIDAE)
- collinsi, Lawrenceoceras collinsi Ulrich & al., 1944 † - (BASSLEROCERATIDAE) (FOSSIL)
- collinsi, Hedecardium collinsi J. Marwick, 1960 † - (CARDIIDAE) (FOSSIL)
- collinsi, Crinophtheiros collinsi (E.R. Sykes, 1903) - (EULIMIDAE)
- collinsi, Planorbella campanulata collinsi F.C. Baker, 1939 - (PLANORBIDAE)
- collinsi, Adeuomphalus collinsi Y. Kano, E. Chikyu & A. Warén, 2009 - (SEGUENZIOIDEA (UNASSIGNED))
- collinsii, Trochita collinsii W.M. Gabb, 1881 † - (CALYPTRAEIDAE) (FOSSIL)
- collinsii, Histioteuthis collinsii A.E. Verrill, 1879 - syn of: Histioteuthis bonnellii (A.E.J. Férussac, 1835) - (HISTIOTEUTHIDAE)
- collinsii, Phosinella collinsii (W.M. Gabb, 1881 †) - (RISSOINIDAE) (FOSSIL)
- collinsoni, Trishoplita collinsoni (A. Adams, 1868) - (BRADYBAENIDAE)
- collinsoni, Vexillum collinsoni (A. Adams, 1864) - (COSTELLARIIDAE)
- collinsoni, Muensteroceras collinsoni W.J. Gordon, 1964 † - (MUENSTEROCERATIDAE) (FOSSIL)
- collinsoni, Nuculana collinsoni W.H. Dall, 1919 - syn of: Portlandia arctica (Gray, 1824) - (NUCULANIDAE)
- collinsoni, Portlandia collinsoni W.H. Dall, 1919 - syn of: Portlandia arctica (Gray, 1824) - (YOLDIIDAE)
- collinsoni casta, Trishoplita collinsoni casta H.A. Pilsbry, 1901 - (BRADYBAENIDAE)
- collinsoni hizenensis, Trishoplita collinsoni hizenensis H.A. Pilsbry & Y. Hirase, 1903 - (BRADYBAENIDAE)
- collinsoni lischkeana, Trishoplita collinsoni lischkeana (W. Kobelt, 1879) - (BRADYBAENIDAE)
- collinsvillense, Domatoceras collinsvillense Niko & Mapes, 2016 † - (GRYPOCERATIDAE) (FOSSIL)
- collinsvillense, Eudissoceras collinsvillense Miller & Owen, 1937 † - (RECTOCLYMENIIDAE) (FOSSIL)
- colliourensis, Oxychilus colliourensis (É.A.A. Locard, 1894) - (OXYCHILIDAE)
- collisella, Ventridens collisella H.A. Pilsbry, 1896 - (GASTRODONTIDAE)
- Collisella, syn of: Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- Collisella, syn of: Genus Lottia J.E. Gray, 1833 (LOTTIIDAE)
- collisella, Turbonilla collisella T.S. Oldroyd, 1925 † - (PYRAMIDELLIDAE) (FOSSIL)
- Collisellacmaea, syn of: Genus Acmaea J.F. von Eschscholtz, 1833 (ACMAEIDAE)
- Collisellina, syn of: Genus Patelloida J.R.C. Quoy & J.P. Gaimard, 1834 (LOTTIIDAE)
- collisi, Laomavix collisi (J.W. Brazier, 1877) - (PUNCTIDAE)
- collisneger, Collignoniceras collisneger J. Kennedy, Cobban & Landman, 2001 † - (COLLIGNONICERATIDAE) (FOSSIL)
- collisniger, Collignonicerites collisniger J. Kennedy & al., 2001 † - (COLLIGNONICERATIDAE) (FOSSIL)
- collissella, Ventridens collissella H.A. Pilsbry, 1896 - (GASTRODONTIDAE)
- collisus, Phasmoconus collisus (L.A. Reeve, 1849) - (CONIDAE)
- collisus albospira, Phasmoconus collisus albospira E.A. Smith, 1880 - syn of: Conus straturatus G.B. II Sowerby, 1865 - (CONIDAE)
- collisus granulosus, Conus collisus granulosus J.G. de Barros e Cunha, 1933 - syn of: Pionoconus catus (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- collisus straturatus, Phasmoconus collisus straturatus G.B. II Sowerby, 1865 - syn of: Conus straturatus G.B. II Sowerby, 1865 - (CONIDAE)
- colliverae, Cadulus colliverae K.L. Lamprell & J.M. Healy, 1998 - (GADILIDAE)
- colliveri, Cralopa colliveri C.J. Gabriel, 1947 - (CHAROPIDAE)
- colliveri, Euchasma colliveri Cook & Camilleri, 2001 † - (EOPTERIIDAE) (FOSSIL)
- collodes, Helicostyla collodes (G.B. I Sowerby, 1841) - (BRADYBAENIDAE)
- collominiato, Arion collominiato A. Torres Mínguez, 1925 - syn of: Arion lusitanicus J.F. Mabille, 1868 - (ARIONIDAE)
- Collonia, Genus Collonia J.E. Gray, 1850 (COLLONIIDAE)
- COLLONIIDAE Cossmann, 1917 - Family (GASTROPODA-VETIGASTROPODA [Subclass]-PHASIANELLOIDEA [Superfamily])
- Collonista, Genus Collonista T. Iredale, 1918 (COLLONIIDAE)
- colloti, Paraspidoceras colloti Zeiss, 1962 † - (ASPIDOCERATIDAE) (FOSSIL)
- colloti, Gaudryceras colloti de Grossouvre, 1894 † - syn of: Pseudophyllites indra (E. Forbes, 1846 †) - (GAUDRYCERATIDAE) (FOSSIL)
- colloti, Phaneroptyxis colloti A.E.M. Cossmann, 1898 † - (ITIERIIDAE) (FOSSIL)
- colloti, Collotia colloti Jeannet, 1951 † - (REINECKEIIDAE) (FOSSIL)
- Collotia, Genus Collotia Jeannet, 1951 (REINECKEIIDAE) (FOSSIL)
- collotiformis, Collotites collotiformis (Jeannet, 1951 †) - (REINECKEIIDAE) (FOSSIL)
- collotiformis, Collotia collotiformis Jeannet, 1951 † - syn of: Collotites collotiformis (Jeannet, 1951 †) - (REINECKEIIDAE) (FOSSIL)
- Collotites, Genus Collotites Jeannet , 1951 (REINECKEIIDAE) (FOSSIL)
- colludens, Austropyrgus colludens A. Clark, W.B. Miller & W.F. Ponder, 2003 - (HYDROBIIDAE)
- Collumbellisipho, syn of: Genus Columbellisipho Cossmann, 1889 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- collusor, Leptochiton collusor (T. Iredale & A.F.B. Hull, 1925) - (LEPTOCHITONIDAE)
- collustrata, Tellina collustrata G.P. Deshayes, 1857 † - (TELLINIDAE) (FOSSIL)
- Collwellia, syn of: Genus Keepingia Nuttall & J. Cooper, 1973 (NASSARIIDAE) (FOSSIL)
- collyra, Cylichna collyra J.C. Melvill, 1906 - (CYLICHNIDAE)
- collyra, Sulcospira collyra F. Köhler, M. Holford, V.T. Do & T.H. Ho, 2009 - (PACHYCHILIDAE)
- Colmanarion, Genus Colmanarion Stanisic, 2010 (HELICARIONIDAE)
- colmani, Pisinna colmani W.F. Ponder & E.K. Yoo, 1976 - (ANABATHRIDAE)
- colmani, Amalda colmani T. Ninomiya, 1991 - syn of: Amalda colemani T. Ninomiya, 1991 - (ANCILLARIIDAE)
- colmani, Pseudotorinia colmani (T.A. Garrard, 1977) - (ARCHITECTONICIDAE)
- colmani, Minimelon colmani G.A. Solem, 1993 - (CAMAENIDAE)
- colmani, Rhophodon colmani J. Stanisic, 1990 - (CHAROPIDAE)
- colmani, Eremiconus colmani (D. Röckel & W. Korn, 1990) - (CONIDAE)
- colmani, Eremiconus colmani D. Röckel & W. Korn, 1990 - syn of: Eremiconus colmani (D. Röckel & W. Korn, 1990) - (CONIDAE)
- colmani, Pythia colmani A.M. de F. Martins, 1995 - (ELLOBIIDAE)
- colmani, Rhomboxiphus colmani (K.V.W. Palmer, 1974) - (ENTALINIDAE)
- colmani, Hypermastus colmani A. Warén, 1991 - (EULIMIDAE)
- colmani, Narraeolida colmani R.F. Burn, 1961 - (FIONIDAE)
- colmani, Jardinella colmani W.F. Ponder & K.B. Clark, 1990 - (HYDROBIIDAE)
- colmani, Fluviopupa gracilis colmani W.F. Ponder, 1982 - (HYDROBIIDAE)
- colmani, Lasaea colmani D. Ó Foighil & C. Thiriot-Quiévreux, 1999 - (LASAEIDAE)
- colmani, Limatula colmani C.A. Fleming, 1978 - (LIMIDAE)
- colmani, Guraleus colmani T. Shuto, 1983 - (MANGELIIDAE)
- colmani, Callogaza colmani C.J.S. Hickman, 2012 - (MARGARITIDAE)
- colmani, Pagodidaphne colmani T. Shuto, 1983 - (RAPHITOMIDAE)
- colmeiroi, Drymaeus colmeiroi J.G. Hidalgo, 1872 - syn of: Stenostylus colmeiroi (J.G. Hidalgo, 1872) - (BULIMULIDAE)
- colmeiroi, Bulimus colmeiroi J.G. Hidalgo, 1872 - syn of: Stenostylus colmeiroi (J.G. Hidalgo, 1872) - (BULIMULIDAE)
- colmeiroi, Stenostylus colmeiroi (J.G. Hidalgo, 1872) - (ORTHALICIDAE)
- colmenaris, Diplopoma torrei colmenaris M.I. Sánchez Roig, 1951 - (POMATIIDAE)
- coloba, Rupestrella rupestris coloba (H.A. Pilsbry, 1891) - (CHONDRINIDAE)
- coloba, Ovatipsa coloba (J.C. Melvill, 1888) - (CYPRAEIDAE)
- coloba, Erronea coloba J.C. Melvill, 1888 - syn of: Ovatipsa coloba (J.C. Melvill, 1888) - (CYPRAEIDAE)
- coloba, Serrata coloba J. Gardner, 1937 † - (MARGINELLIDAE) (FOSSIL)
- coloba, Toltecia coloba (H.A. Pilsbry, 1894) - (PUNCTIDAE)
- coloba, Streptostele coloba H.A. Pilsbry, 1919 - (STREPTAXIDAE)
- coloba conoispira, Serrata coloba conoispira J. Gardner, 1937 † - (MARGINELLIDAE) (FOSSIL)
- coloba greegori, Ovatipsa coloba greegori (J. Ford, 1893) - (CYPRAEIDAE)
- colobica, Dentiovula colobica (M. Azuma & C.N. Cate, 1971) - (OVULIDAE)
- colobica, Primovula colobica M. Azuma & C.N. Cate, 1971 - syn of: Dentiovula colobica (M. Azuma & C.N. Cate, 1971) - (OVULIDAE)
- Colobocephalus, Genus Colobocephalus G.O. Sars, 1870 (COLPODASPIDIDAE)
- Colobostyloides, syn of: Subgenus Tudora (Colobostylus) J.C.H. Crosse & P. Fischer, 1888 (POMATIIDAE)
- Colobostylus, Subgenus Tudora (Colobostylus) J.C.H. Crosse & P. Fischer, 1888 (POMATIIDAE)
- Colobus, syn of: Genus Microceramus H.A. Pilsbry & E.G. Vanatta, 1898 (UROCOPTIDAE)
- Coloceras, syn of: Genus Liroceras Teichert, 1940 (LIROCERATIDAE) (FOSSIL)
- colocoloi, Adelomelon colocoloi C. Nielsen & D. Frassinetti, 2007 † - (VOLUTIDAE) (FOSSIL)
- colocynthis, Pachycymbiola colocynthis L.W. Dillwyn, 1817 - syn of: Adelomelon brasiliana (J.B.P.A. Lamarck, 1811) - (VOLUTIDAE)
- colombeliana, Corbicula colombeliana P.M. Heude, 1887 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- Colombella, syn of: Genus Columbella J.B.P.A. Lamarck, 1799 (COLUMBELLIDAE)
- colombelliformis, Strigatella colombelliformis (L.C. Kiener, 1838) - (MITRIDAE)
- Colombellina, Genus Colombellina D'Orbigny, 1842 (COLOMBELLINIDAE) (FOSSIL)
- COLOMBELLINIDAE P. Fischer, 1884 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-LITTORINIMORPHA [Order]-STROMBOIDEA [Superfamily]) (FOSSIL)
- colombense, Rhytidopoma pinense colombense C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- colombense, Chondropoma vespertinum colombense C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- colombi, Poremskiconus colombi (E. Monnier & L. Limpalaër, 2012) - (CONIDAE)
- colombi, Mangelia colombi R.P.J. Hervier, 1897 - (MANGELIIDAE)
- colombi, Marginella colombi T. Cossignani, 2012 - (MARGINELLIDAE)
- colombi, Dermomurex colombi R. Houart, 2006 - (MURICIDAE)
- colombi, Favartia colombi R. Houart & S. Gori, 2011 - (MURICIDAE)
- Colombia, syn of: Genus Rangia C. des Moulins, 1828 (MACTRIDAE)
- colombia, Copulabyssia colombia N.E. Ardila & M.G. Harasewych, 2005 - (PSEUDOCOCCULINIDAE)
- colombiana, Olivula colombiana Clark & J.W. Durham, 1946 † - (ANCILLARIIDAE) (FOSSIL)
- colombiana, Lunarca colombiana Clark & J.W. Durham, 1946 † - (ARCIDAE) (FOSSIL)
- colombiana, Aturia colombiana Anderson, 1928 † - (ATURIIDAE) (FOSSIL)
- colombiana, Eocantharus colombiana Clark & J.W. Durham, 1946 † - (BUCCINIDAE) (FOSSIL)
- colombiana, Marsupina colombiana N.E. Weisbord, 1929 - syn of: Marsupina bufo (J.G. Bruguière, 1792) - (BURSIDAE)
- colombiana, Cochliopina colombiana Nuttall, 1990 † - (COCHLIOPIDAE) (FOSSIL)
- colombiana, Dorsina colombiana (N.E. Weisbord, 1929 †) - (COLUMBELLIDAE) (FOSSIL)
- colombiana, Anticorbula colombiana (H.A. Pilsbry & A.A. Olsson, 1935 †) - (CORBULIDAE) (FOSSIL)
- colombiana, Cymatoceras colombiana J.W. Durham, 1946 † - (CYMATOCERATIDAE) (FOSSIL)
- colombiana, Gisortia colombiana Clark & J.W. Durham, 1946 † - (CYPRAEIDAE) (FOSSIL)
- colombiana, Gibberula colombiana F. Boyer, 2003 - (CYSTISCIDAE)
- colombiana, Clathrodrillia colombiana P.J. Fallon, 2016 - (DRILLIIDAE)
- colombiana, Ficus colombiana Anderson, 1929 † - (FICIDAE) (FOSSIL)
- colombiana, Gastrocopta colombiana H.A. Pilsbry, 1920 - (GASTROCOPTIDAE)
- colombiana, Meiocardia colombiana Clark & J.W. Durham, 1946 † - (GLOSSIDAE) (FOSSIL)
- colombiana, Gryphaea colombiana Clark & J.W. Durham, 1946 † - (GRYPHAEIDAE) (FOSSIL)
- colombiana, Chevronais colombiana A.A. Olsson & C.B. Wurtz, 1951 - syn of: Castalia ambigua (J.B.P.A. Lamarck, 1819) - (HYRIIDAE)
- colombiana, Acesta colombiana (E.H. Vokes, 1970) - (LIMIDAE)
- colombiana, Here colombiana Clark & J.W. Durham, 1946 † - (LUCINIDAE) (FOSSIL)
- colombiana, Torquifer colombiana (N.E. Weisbord, 1929 †) - (MELONGENIDAE) (FOSSIL)
- colombiana, Melongena colombiana N.E. Weisbord, 1929 † - syn of: Torquifer colombiana (N.E. Weisbord, 1929 †) - (MELONGENIDAE) (FOSSIL)
- colombiana, Subcancilla colombiana (N.E. Weisbord, 1929 †) - (MITRIDAE) (FOSSIL)
- colombiana, Favrella colombiana F. Haas, 1960 † - (NEOCOMITIDAE) (FOSSIL)
- colombiana, Ennucula colombiana (W.H. Dall, 1908) - (NUCULIDAE)
- colombiana, Oosterella colombiana F. Haas, 1960 † - (OOSTERELLIDAE) (FOSSIL)
- colombiana, Alvania colombiana Romer & R.C. Moore, 1988 - (RISSOIDAE)
- colombiana, Sheppardiconcha colombiana Nuttall, 1990 † - (THIARIDAE) (FOSSIL)
- colombiana, Agriopoma colombiana Clark & J.W. Durham, 1946 † - (VENERIDAE) (FOSSIL)
- colombianum, Strioterebrum colombianum A.A. Olsson, 1967 † - syn of: Strioterebrum spiriferum W.H. Dall, 1895 † - (TEREBRIDAE) (FOSSIL)
- colombianus, Drymaeus colombianus H.C. Lea, 1838 - syn of: Drymaeus columbianus (H.C. Lea, 1838) - (BULIMULIDAE)
- colombianus, Poremskiconus colombianus (E.J. Petuch, 1987) - (CONIDAE)
- colombianus, Streptaxis colombianus H.A. Pilsbry, 1935 - (STREPTAXIDAE)
- colombianus, Cyclostremiscus colombianus H.A. Pilsbry & A.A. Olsson, 1945 - (TORNIDAE)
- Colombiceras, Genus Colombiceras Spath , 1923 (DESHAYESITIDAE) (FOSSIL)
- colombiensis, Larkinia grandis colombiensis (N.E. Weisbord, 1929) - (ARCIDAE)
- colombiensis, Aroapyrgus colombiensis J. Malek & C. Little, 1971 - (COCHLIOPIDAE)
- colombiensis, Conus colombiensis N.E. Weisbord, 1929 † - (CONIDAE) (FOSSIL)
- colombiensis, Fusinus colombiensis M.A. Snyder & N.C. Snyder, 1999 - (FASCIOLARIIDAE)
- colombiensis, Graecina colombiensis D.W. Taylor & E.A. Glover, 2009 - (LUCINIDAE)
- colombiensis, Anodontites colombiensis W.B. Marshall, 1922 - (MYCETOPODIDAE)
- colombiensis, Ostrea messor colombiensis N.E. Weisbord, 1929 - (OSTREIDAE)
- colombiensis, Spondylus colombiensis N.E. Weisbord, 1929 † - (SPONDYLIDAE) (FOSSIL)
- colombiensis, Apolymetis colombiensis N.E. Weisbord, 1929 † - syn of: Florimetis trinitaria (W.H. Dall, 1900 †) - (TELLINIDAE) (FOSSIL)
- colombiensis, Terebra colombiensis L.R.L. Simone & C. Gracia, 2006 - (TEREBRIDAE)
- colomborum, Marginella colomborum (L. Bozzetti, 1995) - (MARGINELLIDAE)
- colomnbiana, Moerella colomnbiana Clark & J.W. Durham, 1946 † - (TELLINIDAE) (FOSSIL)
- colon, Monia colon (J.E. Gray, 1850) - (ANOMIIDAE)
- colon, Promathildia colon (Münster, 1841 †) - (GORDENELLIDAE) (FOSSIL)
- colon, Catoraphiceras colon (White, 1874 †) - (PROTOCYCLOCERATIDAE) (FOSSIL)
- colon, Inella colon (W.H. Dall, 1881) - (TRIPHORIDAE)
- colon, Turritella colon Münster, 1841 † - syn of: Promathildia colon (Münster, 1841 †) - (TURRITELLIDAE) (FOSSIL)
- Colonche, syn of: Genus Leukoma A. Rφmer, 1857 (VENERIDAE)
- Colonella, Genus Colonella P. Bartsch, 1946 (POMATIIDAE)
- colonensis, Drillia harfordiana colonensis J. Brown & H.A. Pilsbry, 1913 - (DRILLIIDAE)
- colonensis, Granulina colonensis T. McCleery, 2010 - (MARGINELLIDAE)
- coloni, Opisthosiphon coloni P. Bartsch, 1946 - (POMATIIDAE)
- colonia, Nodosoclymenia colonia W. Korn, 2002 † - (PLATYCLYMENIIDAE) (FOSSIL)
- Coloniacirrus, Genus Coloniacirrus Bandel, 1993 (PORCELLIIDAE) (FOSSIL)
- Coloniceramus, Genus Coloniceramus Pokhialainen, 1972 (INOCERAMIDAE) (FOSSIL)
- Coloniconcha, Genus Coloniconcha H.A. Pilsbry, 1933 (PLEURODONTIDAE)
- colonicus, Lithocalamus colonicus Lupher & Packard 1930 † - (HIPPURITIDA (UNASSIGNED)) (FOSSIL)
- coloniensis, Corbicula coloniensis H.A. Pilsbry, 1896 - syn of: Corbicula limosa (W.G. Maton, 1809) - (CYRENIDAE)
- Colonina, syn of: Genus Rhytidopoma E.R. Sykes, 1901 (POMATIIDAE)
- colonus, Arcestes colonus Mojsisovics, 1875 † - (ARCESTIDAE) (FOSSIL)
- colonus, Apoecus colonus (O.F. von Möllendorff, 1895) - (CERASTUIDAE)
- colonus, Buliminus colonus O.F. von Möllendorff, 1895 - syn of: Apoecus colonus (O.F. von Möllendorff, 1895) - (ENIDAE)
- colonus, Platyceras colonus Holzapfel, 1895 † - (PLATYCERATIDAE) (FOSSIL)
- colonus, Kenzieana colonus Barrande, 1881 † - syn of: Kenzieana cardiopsis (Barrande, 1881 †) - (SPANILIDAE) (FOSSIL)
- coloradense, Cerithium coloradense Stanton, 1947 † - (CERITHIIDAE) (FOSSIL)
- coloradensis, Acroloxus coloradensis (J. Henderson, 1930) - (ACROLOXIDAE)
- coloradensis, Pyrgulopsis coloradensis R. Hershler, 1998 - (HYDROBIIDAE)
- coloradensis, Fluminicola coloradensis J.P.E. Morrison, 1940 - syn of: Fluminicola coloradoensis J.P.E. Morrison, 1940 - (LITHOGLYPHIDAE)
- coloradensis, Scaphites coloradensis Cobban, 1951 † - (SCAPHITIDAE) (FOSSIL)
- coloradilla, Jorunna coloradilla Ortea & Moro, 2016 - (DISCODORIDIDAE)
- coloradoense, Watinoceras coloradoense (Henderson, 1908 †) - (ACANTHOCERATIDAE) (FOSSIL)
- coloradoense, Anisoceras coloradoense Cobban, Hook & J. Kennedy, 1989 † - (ANISOCERATIDAE) (FOSSIL)
- coloradoense, Rhaeboceras coloradoense Cobban, 1987b † - (SCAPHITIDAE) (FOSSIL)
- coloradoense praecursor, Watinoceras coloradoense praecursor Wright & J. Kennedy, 1981 † - (ACANTHOCERATIDAE) (FOSSIL)
- coloradoensis, Caryocorbula coloradoensis (Gardner, 1935 †) - (CORBULIDAE) (FOSSIL)
- coloradoensis, Sonorella coloradoensis (R.E.C. Stearns, 1890) - (HELMINTHOGLYPTIDAE)
- coloradoensis, Konduria coloradoensis P. Sánchez, 2007 † - (KONDURIIDAE) (FOSSIL)
- coloradoensis, Acanthopecten coloradoensis (Newberry, 1861 †) - (LIMIPECTINIDAE) (FOSSIL)
- coloradoensis, Fluminicola coloradoensis J.P.E. Morrison, 1940 - (LITHOGLYPHIDAE)
- coloradoensis, Mulinia coloradoensis W.H. Dall, 1894 - syn of: Mulinia modesta (P.P. Carpenter, 1864) - (MACTRIDAE)
- coloradoensis, Parvamussium coloradoensis C.S. Weaver, 1931 † - syn of: Kolymonectes weaveri Damborenea, 1997 † - (PROPEAMUSSIIDAE) (FOSSIL)
- coloradoensis, Scaphites coloradoensis Cobban, 1951 † - (SCAPHITIDAE) (FOSSIL)
- coloradoensis, Dosinia coloradoensis Rivera, 1957 † - (VENERIDAE) (FOSSIL)
- coloradoensis, Vertigo gouldi coloradoensis (T.D.A. Cockerell, 1891) - (VERTIGINIDAE)
- coloradoensis acuta, Mulinia coloradoensis acuta W.H. Dall, 1894 - syn of: Mulinia modesta (P.P. Carpenter, 1864) - (MACTRIDAE)
- coloradoensis acuta, Mactra coloradoensis acuta W.H. Dall, 1894 - syn of: Mulinia modesta (P.P. Carpenter, 1864) - (MACTRIDAE)
- coloradoensis arizonensis, Vertigo coloradoensis arizonensis H.A. Pilsbry & E.G. Vanatta, 1900 - syn of: Vertigo gouldi arizonensis H.A. Pilsbry & E.G. Vanatta, 1900 - (VERTIGINIDAE)
- coloradoensis inserta, Vertigo coloradoensis inserta H.A. Pilsbry, 1919 - syn of: Vertigo gouldi inserta H.A. Pilsbry, 1919 - (VERTIGINIDAE)
- coloradoensis mohavrana, Sonorella coloradoensis mohavrana W.B. Miller, 1968 - (HELMINTHOGLYPTIDAE)
- Coloradoscaphites, Genus Coloradoscaphites Cooper, 1994 (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- colorata, Achatinellastrum vulpina colorata (L.A. Reeve, 1850) - (ACHATINELLIDAE)
- colorata, Pseudachatina connectens colorata T. Pain & C.R.C. Paul, 1967 - (ACHATINIDAE)
- colorata, Naninia colorata (A. Mousson) - (ARIOPHANTIDAE)
- colorata, Bathytoma colorata A.V. Sysoev & P. Bouchet, 2001 - syn of: Gemmuloborsonia colorata (A.V. Sysoev & P. Bouchet, 2001) - (BORSONIIDAE)
- colorata, Fulvia colorata E. Vidal & L. Kirkendale, 2007 - (CARDIIDAE)
- colorata, Monodacna colorata (K.E.I. von Eichwald, 1829) - (CARDIIDAE)
- colorata, Eatonina colorata W.F. Ponder & E.K. Yoo, 1980 - (CINGULOPSIDAE)
- colorata, Gemmuloborsonia colorata (A.V. Sysoev & P. Bouchet, 2001) - (CLAVATULIDAE)
- colorata, Ovatipsa colorata P. Dautzenberg, 1932 - syn of: Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- colorata, Corbicula colorata E.C. Von Martens, 1905 - (CYRENIDAE)
- colorata, Asperitas trochus colorata T. Haltenorth & S.G.A. Jaeckel, 1940 - (DYAKIIDAE)
- colorata, Glycymeris colorata K.E.I. von Eichwald, 1829 - syn of: Monodacna colorata (K.E.I. von Eichwald, 1829) - (GLYCYMERIDIDAE)
- colorata, Helicina colorata W.H. Pease, 1868 - (HELICINIDAE)
- colorata, Lima colorata F.W. Hutton, 1873 † - (LIMIDAE) (FOSSIL)
- colorata, Lima colorata Boreham, 1965 - syn of: Lima zealandica Sowerby, 1876 - (LIMIDAE)
- colorata, Ventomnestia colorata T. Iredale, 1936 - (MNESTIIDAE)
- colorata, Ocenebra colorata Degrange-Touzin, 1894 † - (MURICIDAE) (FOSSIL)
- colorata, Devonoconica colorata Heidelberger, 2001 † - (PSEUDOPHORIDAE) (FOSSIL)
- colorata, Eulimella colorata A. Peñas & E. Rolán, 2016 - (PYRAMIDELLIDAE)
- colorata, Succinea colorata P.H. Fischer & J.C.H. Crosse, 1878 - (SUCCINEIDAE)
- colorata, Tellina colorata W.H. Dall, 1900 - (TELLINIDAE)
- colorata, Hastula colorata T. Bratcher, 1988 - (TEREBRIDAE)
- colorata, Sphenonaias colorata (J.G.F. de Charpentier in H.C. Küster, 1856) - (UNIONIDAE)
- colorata, Dosinia colorata T. Iredale, 1929 - syn of: Dosinia amphidesmoides (L.A. Reeve, 1850) - (VENERIDAE)
- colorata acuticostata, Monodacna colorata acuticostata B.M. Logvinenko & Y.I. Starobogatov - (CARDIIDAE)
- colorata angusticostata, Adacna colorata angusticostata I. Borcea, 1926 - syn of: Monodacna colorata (K.E.I. von Eichwald, 1829) - (CARDIIDAE)
- colorata lucida, Hypanis colorata lucida I. Borcea, 1926 - syn of: Adacna lucida (I. Borcea, 1926) - (CARDIIDAE)
- colorata razelmiana, Adacna colorata razelmiana I. Borcea, 1926 - syn of: Monodacna colorata (K.E.I. von Eichwald, 1829) - (CARDIIDAE)
- colorata tanaisiana, Adacna colorata tanaisiana K.O. Milaschewitsch, 1916 - syn of: Monodacna colorata (K.E.I. von Eichwald, 1829) - (CARDIIDAE)
- colorata zealandica, Lima colorata zealandica G.B. III Sowerby, 1876 - syn of: Lima zealandica Sowerby, 1876 - (LIMIDAE)
- coloratus, Eurytus coloratus (P. Nyst, 1845) - (AMPHIBULIMIDAE)
- coloratus, Bulimus coloratus P. Nyst, 1845 - syn of: Eurytus coloratus (P. Nyst, 1845) - (BULIMULIDAE)
- coloratus, Chiton coloratus Kirkby, 1862 † - (CHITONIDAE) (FOSSIL)
- coloratus, Conus coloratus Defrance, 1818 † - (CONIDAE) (FOSSIL)
- coloratus, Parafusus coloratus (B. Wade, 1917 †) - (FASCIOLARIIDAE) (FOSSIL)
- coloratus, Tomelasmus coloratus (R. Arango, 1882) - (UROCOPTIDAE)
- coloratus minaensis, Tomelasmus coloratus minaensis C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- coloratus subplicatus, Eurytus coloratus subplicatus L. Pfeiffer, 1855 - (AMPHIBULIMIDAE)
- colorea, Decoradrillia colorea P.J. Fallon, 2016 - (DRILLIIDAE)
- coloreum, Vexillum coloreum S.I. Huang, 2017 - (COSTELLARIIDAE)
- Colorimactra, syn of: Genus Mactra C. Linnaeus, 1767 (MACTRIDAE)
- colorovariegatus, Conus colorovariegatus S. Kosuge, 1981 - syn of: Graphiconus neptunus (L.A. Reeve, 1843) - (CONIDAE)
- coloscopulus, Vexillum coloscopulus J.M. Cate, 1961 - syn of: Vexillum filiareginae (J.M. Cate, 1961) - (COSTELLARIIDAE)
- colosii, Parmacella colosii L. Gambetta, 1929 - syn of: Parmacella valenciennii P.B. Webb & P.J. Van Beneden, 1836 - (PARMACELLIDAE)
- Colosius, Genus Colosius J.W. Thomι, 1976 (VERONICELLIDAE)
- colosseus, Fusus colosseus J.B.P.A. Lamarck, 1816 - syn of: Hemifusus colosseus (J.B.P.A. Lamarck, 1822) - (FASCIOLARIIDAE)
- colosseus, Hemifusus colosseus (J.B.P.A. Lamarck, 1822) - (MELONGENIDAE)
- colossophilus, Alvania colossophilus J.J. Oberling, 1970 - (RISSOIDAE)
- colossophilus karpathoensis, Alvania colossophilus karpathoensis F. Nordsieck, 1972 - (RISSOIDAE)
- colossus, Lithoconus colossus Eames, 1952 † - (CONIDAE) (FOSSIL)
- Colostracon, Genus Colostracon C.E. Hamlin, 1884 (ACTEONIDAE) (FOSSIL)
- Colotrachelus, Genus Colotrachelus B.A. Marshall, 1986 (PSEUDOCOCCULINIDAE)
- Colpanostoma, Subgenus Tayloria (Colpanostoma) J.R. Bourguignat, 1889 (STREPTAXIDAE)
- Colpantyx, Genus Colpantyx Pojeta & Gilbert-Tomlinson, 1977 (COLPOMYIDAE) (FOSSIL)
- Colparion, Genus Colparion F.F. Laidlaw, 1938 (ARIOPHANTIDAE)
- Colpentolium, Subgenus Cingentolium (Colpentolium) Yamani, 1983 (ENTOLIIDAE) (FOSSIL)
- Colpites, Genus Colpites Knight , 1936 (NATICOPSIDAE) (FOSSIL)
- Colpodapsis, syn of: Genus Colpodaspis G.O. Sars, 1870 (COLPODASPIDIDAE)
- COLPODASPIDIDAE Oskars, Bouchet & Malaquias, 2015 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-CEPHALASPIDEA [Order]-PHILINOIDEA [Superfamily])
- Colpodaspis, Genus Colpodaspis G.O. Sars, 1870 (COLPODASPIDIDAE)
- colpodes, Calloarca colpodes (R.N. Kilburn, 1983) - (ARCIDAE)
- colpodes, Sveltia colpodes A.E.M. Cossmann, 1899 † - (CANCELLARIIDAE) (FOSSIL)
- colpodes, Protocuspidaria colpodes (P. Dautzenberg & H. Fischer, 1897) - (PROTOCUSPIDARIIDAE)
- colpodes, Turbonilla colpodes J.C. Melvill, 1910 - (PYRAMIDELLIDAE)
- colpodes, Tellina colpodes J.F. Bayan, 1873 † - (TELLINIDAE) (FOSSIL)
- colpodia, Lymnaea colpodia J.R. Bourguignat, 1862 - syn of: Lymnaea stagnalis (C. Linnaeus, 1758) - (LYMNAEIDAE)
- colpodon, Acinolaemus colpodon F.G. Thompson & E.S. Upatham, 1997 - (HYPSELOSTOMATIDAE)
- colpoica, Strombina colpoica W.H. Dall, 1916 - (COLUMBELLIDAE)
- colpoica, Warrana colpoica (W.H. Dall, 1913) - (CONDYLOCARDIIDAE)
- colpoica, Amerycina colpoica (W.H. Dall, 1913) - (LASAEIDAE)
- colpoica, Erycina colpoica W.H. Dall, 1913 - syn of: Amerycina colpoica (W.H. Dall, 1913) - (LASAEIDAE)
- colpoica, Codakia colpoica W.H. Dall, 1901 - syn of: Codakia distinguenda (G.W. Tryon, 1872) - (LUCINIDAE)
- colpoica, Oenopota colpoica W.H. Dall, 1919 - syn of: Curtitoma trevelliana (W. Turton, 1834) - (MANGELIIDAE)
- colpoica, Skoglundia colpoica (W.H. Dall, 1915) - (THRACIIDAE)
- colpoica, Thracia colpoica W.H. Dall, 1915 - syn of: Skoglundia colpoica (W.H. Dall, 1915) - (THRACIIDAE)
- colpoicum, Epitonium colpoicum W.H. Dall, 1917 - syn of: Epitonium cumingii (P.P. Carpenter, 1856) - (EPITONIIDAE)
- colpoicus, Araiofusus colpoicus (W.H. Dall, 1909) - (FASCIOLARIIDAE)
- colpoicus, Asthenothaerus colpoicus W.H. Dall, 1915 - syn of: Skoglundia colpoica (W.H. Dall, 1915) - (THRACIIDAE)
- Colpomphalus, Genus Colpomphalus Cossmann, 1915 (DISCOHELICIDAE) (FOSSIL)
- Colpomya, Genus Colpomya Ulrich, 1893 (MODIOMORPHIDAE) (FOSSIL)
- COLPOMYIDAE Pojeta & Gilbert-Tomlinson, 1977 - Family (BIVALVIA-PTERIOMORPHIA [Subclass]-COLPOMYIDA [Order]-COLPOMYOIDEA [Superfamily]) (FOSSIL)
- colpophila, Neocancilla colpophila C.N. Cate, 1961 - syn of: Neocancilla waikikiensis (H.A. Pilsbry, 1921) - (MITRIDAE)
- colpos, Murex colpos R.L. Burch, 1955 ex W.H. Dall MS - syn of: Chicoreus maurus (W.J. Broderip, 1833) - (MURICIDAE)
- Colposigma, Genus Colposigma Finlay & Marwick, 1937 (TURRITELLIDAE) (FOSSIL)
- Colpospira, Genus Colpospira J. Donald, 1900 (TURRITELLIDAE)
- Colpospirella, syn of: Genus Colpospira J. Donald, 1900 (TURRITELLIDAE)
- Colpostomia, Subgenus Odostomia (Colpostomia) A.E.M. Cossmann, 1921 (PYRAMIDELLIDAE)
- colpotus, Oppenheimopecten colpotus W.P. Woodring, 1982 † - (PECTINIDAE) (FOSSIL)
- colpus, Niteoliva colpus (W.P. Woodring, 1928 †) - (OLIVELLIDAE) (FOSSIL)
- colridusensis, Janiopsis colridusensis (J.M. Pacaud & Leroy, 2015 †) - (BUCCINIDAE) (FOSSIL)
- Colsyrnola, Subgenus Syrnola (Colsyrnola) T. Iredale, 1929 (PYRAMIDELLIDAE)
- coltoniana, Sonorella coltoniana H.A. Pilsbry, 1939 - (HELMINTHOGLYPTIDAE)
- Coltroconus, Genus Coltroconus E.J. Petuch, 2013 (CONIDAE)
- coltroi, Cadella coltroi M. Huber, A. Langleit & K. Kreipl, 2015 - (TELLINIDAE)
- coltrorum, Cancellaria coltrorum M.G. Harasewych & R.E. Petit, 2014 - (CANCELLARIIDAE)
- coltrorum, Conasprelloides coltrorum E.J. Petuch & B.W. Myers, 2014 - (CONIDAE)
- coltrorum, Fusinus coltrorum R. Hadorn & B. Rogers, 2000 - (FASCIOLARIIDAE)
- coltrorum, Prunum coltrorum T. Cossignani, 2005 - (MARGINELLIDAE)
- coltrorum, Favartia coltrorum R. Houart, 2005 - (MURICIDAE)
- coltrorum, Siratus coltrorum (E.H. Vokes, 1990) - (MURICIDAE)
- coltrorum, Spixia coltrorum L.R.L. Simone, 2012 - (ODONTOSTOMIDAE)
- coltrorum, Perotrochus amabilis coltrorum E. de C. Rios, 2003 - (PLEUROTOMARIIDAE)
- coltrorum, Strictispira coltrorum D.L. Tippett, 2006 - (STRICTISPIRIDAE)
- coltrorum, Polystira coltrorum E.J. Petuch, 1993 - (TURRIDAE)
- coluber, Straparollus coluber J. Perner, 1903 † - syn of: Bicarina coluber (J. Perner, 1903 †) - (EUOMPHALIDAE) (FOSSIL)
- coluber, Bicarina coluber (J. Perner, 1903 †) - (GOSSELETINIDAE) (FOSSIL)
- coluber alpina, Bicarina coluber alpina (Spitz, 1907 †) - (GOSSELETINIDAE) (FOSSIL)
- Colubraria, Genus Colubraria H.C.F. Schumacher, 1817 (COLUBRARIIDAE)
- COLUBRARIIDAE Dall, 1904 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-BUCCINOIDEA [Superfamily])
- Colubrarina, syn of: Genus Metula H. Adams & A. Adams, 1853 (BUCCINIDAE)
- Colubratriton, Genus Colubratriton Pacaud, Ledon & Loubry, 2015 (CANCELLARIIDAE) (FOSSIL)
- colubrella, Kazakhstania colubrella (Morton, 1836 †) - (GATTENDORFIIDAE) (FOSSIL)
- Colubrella, Genus Colubrella Koken, 1896 (TUBINIDAE) (FOSSIL)
- Colubrellina, syn of: Genus Bursa P.F. Rφding, 1798 (BURSIDAE)
- Colubrellopsis, Genus Colubrellopsis Bandel, 2007 (NERITOPSIDAE) (FOSSIL)
- colubri, Fusinus colubri C.J. Maury, 1912 † - (FASCIOLARIIDAE) (FOSSIL)
- colubridens, Siphonodentalium colubridens (R.B. Watson, 1879) - (GADILIDAE)
- colubrifer, Ischnochiton colubrifer (L.A. Reeve, 1848) - (ISCHNOCHITONIDAE)
- colubriforme, Prodactylioceras colubriforme E. Bettoni, 1900 † - (DACTYLIOCERATIDAE) (FOSSIL)
- colubriformis, Nostoceras colubriformis L.W. Stephenson, 1941 † - (NOSTOCERATIDAE) (FOSSIL)
- colubrina, Helix colubrina G. Perry, 1811 - syn of: Solaropsis pellisserpentis colubrina (G. Perry, 1811) - (HELICIDAE)
- colubrina, Cingulifera cingulatum colubrina (G.J. De Cristofori & G. Jan, 1832) - (HELICIDAE)
- colubrina, Muessenbiaergia bisulcata colubrina (C.N. Lange, 1929 †) - (KOSMOCLYMENIIDAE) (FOSSIL)
- colubrina, Solaropsis pellisserpentis colubrina (G. Perry, 1811) - (PLEURODONTIDAE)
- colubrina, Sassia colubrina (J.B.P.A. Lamarck, 1803 †) - (RANELLIDAE) (FOSSIL)
- colubrina, Monodonta colubrina A.A. Gould, 1851 - syn of: Phorcus sauciatus (F.C.L. Koch, 1845) - (TROCHIDAE)
- colubrinum, Cingulifera cingulatum colubrinum (G.J. De Cristofori & G. Jan, 1832) - (HELICIDAE)
- colubrinum, Oistoceras colubrinum Spath, 1938 † - (LIPAROCERATIDAE) (FOSSIL)
- colubrinus, Orthosphinctes colubrinus Schindewolf, 1925 † - (ATAXIOCERATIDAE) (FOSSIL)
- colubrinus, Conus colubrinus J.B.P.A. Lamarck, 1810 - syn of: Darioconus pennaceus (I. von Born, 1778) - (CONIDAE)
- colubrinus, Trochus colubrinus A.A. Gould, 1849 - syn of: Phorcus sauciatus (F.C.L. Koch, 1845) - (TROCHIDAE)
- colubrinus, Thylacodes colubrinus (P.F. Röding, 1798) - (VERMETIDAE)
- colubrinus, Serpulorbis colubrinus P.F. Röding, 1798 - syn of: Thylacodes colubrinus (P.F. Röding, 1798) - (VERMETIDAE)
- columba, Anadara columba A.A. Olsson, 1932 † - (ARCIDAE) (FOSSIL)
- columba, Americardia columba (A. Heilprin, 1886) - (CARDIIDAE)
- columba, Conus columba C.H. Hwass in J.G. Bruguière, 1792 - syn of: Conasprella puncticulata columba (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- columba, Conasprella puncticulata columba (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- columba, Epitonium columba R.N. Kilburn, 1985 - (EPITONIIDAE)
- columba, Amphidonte columba (J.B.P.A. Lamarck, 1819 †) - (GRYPHAEIDAE) (FOSSIL)
- columba, Volvarina columba J. Espinosa, L. Moro & J.A. Ortea, 2011 - (MARGINELLIDAE)
- Columba, syn of: Genus Leila J.E. Gray, 1840 (MYCETOPODIDAE)
- columba, Olivella columba (P.L. Duclos, 1835) - (OLIVELLIDAE)
- columba, Oliva columba P.L. Duclos, 1835 - syn of: Olivella columba (P.L. Duclos, 1835) - (OLIVIDAE)
- columba, Ovula columba G.H. Schubert & J.A. Wagner, 1829 - syn of: Ovula costellata J.B.P.A. Lamarck, 1810 - (OVULIDAE)
- columba, Dolomena columba (J.B.P.A. Lamarck, 1822) - (STROMBIDAE)
- columbanus, Hyolithes columbanus Reed, 1909 † - (HYOLITHIDAE) (FOSSIL)
- columbaria, Obba columbaria G.B. Sowerby, 1841 - (CAMAENIDAE)
- columbaria, Cypraea columbaria J.B.P.A. Lamarck, 1810 † - (CYPRAEIDAE) (FOSSIL)
- columbaria, Rostellaria columbaria J.B.P.A. Lamarck, 1803 † - syn of: Hippochrenes fissura (Coquebert & A. Brongniart, 1793 †) - (ROSTELLARIIDAE) (FOSSIL)
- columbarii, Torrecoptis columbarii C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- columbarii aguayoi, Torrecoptis columbarii aguayoi C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- columbarioides, Enixotrophon columbarioides (G. Pastorino & F. Scarabino, 2008) - (MURICIDAE)
- columbaris, Cranopsis columbaris L.R.L. Simone & C.M. Cunha, 2014 - (FISSURELLIDAE)
- columbarium, Peristernia columbarium (J.F. Gmelin, 1791) - (FASCIOLARIIDAE)
- Columbarium, Genus Columbarium E.C. Von Martens, 1881 (TURBINELLIDAE)
- columbella, Americardia columbella Y.C. Lee & M. Huber, 2012 - (CARDIIDAE)
- Columbella, Genus Columbella J.B.P.A. Lamarck, 1799 (COLUMBELLIDAE)
- columbella, Donax columbella J.B.P.A. Lamarck, 1818 - (DONACIDAE)
- columbella, Exogyra columbella F.B. Meek, 1876 † - (GRYPHAEIDAE) (FOSSIL)
- columbella, Phacoides columbella (J.B.P.A. Lamarck, 1818) - (LUCINIDAE)
- columbella, Taranis columbella R.N. Kilburn, 1991 - (RAPHITOMIDAE)
- columbella, Rossiodus columbella (R. Hoernes, 1855 †) - (REQUIENIIDAE) (FOSSIL)
- columbella, Hespererato columbella (K.T. Menke, 1847) - (TRIVIIDAE)
- columbella, Microstelma columbella (W.H. Dall, 1881) - (ZEBINIDAE)
- columbella basteroti, Phacoides columbella basteroti (A.E.R. Agassiz, 1845 †) - (LUCINIDAE) (FOSSIL)
- Columbellaria, Subgenus Colombellina (Columbellaria) Rolle, 1861 (COLOMBELLINIDAE) (FOSSIL)
- columbellaria, Mitra columbellaria A. Scacchi, 1836 - syn of: Mitromorpha mediterranea C. Mifsud, 2001 - (MITRIDAE)
- columbellaria, Mitromorpha columbellaria Š. Brusina, 1870 - syn of: Mitromorpha olivoidea (F.J. Cantraine, 1835) - (MITROMORPHIDAE)
- columbellaria, Mitromorpha columbellaria A. Scacchi, 1836 - syn of: Mitromorpha olivoidea (F.J. Cantraine, 1835) - (MITROMORPHIDAE)
- columbellaris, Bulla columbellaris K.T. Menke, 1854 - syn of: Bulla ampulla C. Linnaeus, 1758 - (BULLIDAE)
- Columbellarius, syn of: Genus Columbella J.B.P.A. Lamarck, 1799 (COLUMBELLIDAE)
- columbellata, Metulella columbellata (W.H. Dall, 1889) - (COLUMBELLIDAE)
- columbellata, Nassarina columbellata W.H. Dall, 1889 - syn of: Metulella columbellata (W.H. Dall, 1889) - (COLUMBELLIDAE)
- columbellata, Nassaria columbellata W.H. Dall, 1889 - syn of: Metulella columbellata (W.H. Dall, 1889) - (NASSARIIDAE)
- COLUMBELLIDAE Swainson, 1840 - Family (GASTROPODA-CAENOGASTROPODA [Subclass]-NEOGASTROPODA [Order]-BUCCINOIDEA [Superfamily])
- Columbellina, syn of: Genus Colombellina D'Orbigny, 1842 (COLOMBELLINIDAE) (FOSSIL)
- columbellina, Dentimargo columbellina (G.P. Deshayes, 1865 †) - (MARGINELLIDAE) (FOSSIL)
- Columbellisipho, Genus Columbellisipho Cossmann, 1889 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- columbelloides, Parvisipho columbelloides A.E.M. Cossmann, 1889 † - syn of: Columbellisipho columbelloides (A.E.M. Cossmann, 1889 †) - (BUCCINIDAE) (FOSSIL)
- columbelloides, Atilia columbelloides (B. de Basterot, 1825 †) - (COLUMBELLIDAE) (FOSSIL)
- columbelloides, Eucithara columbelloides (L.A. Reeve, 1846) - (MANGELIIDAE)
- columbelloides, Nassa columbelloides B. de Basterot, 1825 † - (MURICIDAE) (FOSSIL)
- columbelloides, Columbellisipho columbelloides (A.E.M. Cossmann, 1889 †) - (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Columbellopsis, Genus Columbellopsis M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1882 (COLUMBELLIDAE)
- columbense, Opisthosiphon moreletianum columbense C. de la Torre & P. Bartsch, 1941 - (POMATIIDAE)
- columbensis, Margaritana columbensis I. Lea, 1867 - syn of: Strophitus subvexus T.A. Conrad, 1834 - (MARGARITIFERIDAE)
- columbensis, Uniomerus columbensis (I. Lea, 1857) - (UNIONIDAE)
- columbi, Oleacina columbi H.A. Pilsbry, 1933 - (OLEACINIDAE)
- Columbia, syn of: Genus Rangia C. des Moulins, 1828 (MACTRIDAE)
- Columbia, syn of: Genus Leila J.E. Gray, 1840 (MYCETOPODIDAE)
- columbiae, Pseudoaustraliceras columbiae (Basse, 1928 †) - (ANCYLOCERATIDAE) (FOSSIL)
- columbiae, Badouxia columbiae (Frebold, 1967 †) - (PSILOCERATIDAE) (FOSSIL)
- columbiana, Anomia columbiana Crickmay, 1930 † - syn of: Placunopsis radiata (B. Phillips, 1829 †) - (ANOMIIDAE) (FOSSIL)
- columbiana, Arca columbiana C.S. Weaver & K.V.W. Palmer, 1922 † - (ARCIDAE) (FOSSIL)
- columbiana, Armina columbiana O'Donoghue, 1924 - syn of: Armina californica (J.G. Cooper, 1863) - (ARMINIDAE)
- columbiana, Neptunea columbiana A.G. Smith, 1958 - (BUCCINIDAE)
- columbiana, Strophiops columbiana C.J. Maynard & W.F. Clapp, 1921 - syn of: Cerion glans H.C. Küster, 1844 - (CERIONIDAE)
- columbiana, Columbinia columbiana W. Polinski, 1924 - (CLAUSILIIDAE)
- columbiana, Amphissa columbiana W.H. Dall, 1916 - (COLUMBELLIDAE)
- columbiana, Doto columbiana O'Donoghue, 1921 - (DOTIDAE)
- columbiana, Vitreolina columbiana (P. Bartsch, 1917) - (EULIMIDAE)
- columbiana, Melanella columbiana P. Bartsch, 1917 - syn of: Vitreolina columbiana (P. Bartsch, 1917) - (EULIMIDAE)
- columbiana, Cuthona columbiana (O'Donoghue, 1922) - (FIONIDAE)
- columbiana, Poeniella columbiana R.C. Pierce, 2001 - (HELICINIDAE)
- columbiana, Fluminicola columbiana H. Hemphill, 1899 - (LITHOGLYPHIDAE)
- columbiana, Darcinia columbiana Clark & J.W. Durham, 1946 † - (MACTRIDAE) (FOSSIL)
- columbiana, Margarites columbiana R.L. Squires & Goedert, 1991 † - (MARGARITIDAE) (FOSSIL)
- columbiana, Columbitrigonia columbiana A. Packard, 1921 † - (MEGATRIGONIIDAE) (FOSSIL)
- columbiana, Myophoria columbiana McLearn, 1942 † - syn of: Maoritrigonia columbiana (McLearn, 1942 †) - (MYOPHORIIDAE) (FOSSIL)
- columbiana, Solamen columbiana (W.H. Dall, 1897) - (MYTILIDAE)
- columbiana, Leochlamys columbiana Clark & R. Arnold, 1923 † - (PECTINIDAE) (FOSSIL)
- columbiana, Physa columbiana H. Hemphill, 1890 - (PHYSIDAE)
- columbiana, Vespericola columbiana (J. Henderson, 1928) - (POLYGYRIDAE)
- columbiana, Gari columbiana (C.S. Weaver & K.V.W. Palmer, 1922 †) - (PSAMMOBIIDAE) (FOSSIL)
- columbiana, Odostomia columbiana W.H. Dall & P. Bartsch, 1907 - (PYRAMIDELLIDAE)
- columbiana, Scissurella columbiana K. Bandel, 1998 - syn of: Sinezona confusa E. Rolán & A.A. Luque, 1994 - (SCISSURELLIDAE)
- columbiana, Vitrinella columbiana P. Bartsch, 1921 - (TORNIDAE)
- columbiana, Maoritrigonia columbiana (McLearn, 1942 †) - (TRIGONIIDAE) (FOSSIL)
- columbiana, Simrothula columbiana (H.R. Simroth, 1914) - (VERONICELLIDAE)
- columbiana, Vertigo columbiana H.A. Pilsbry & E.G. Vanatta, 1900 - (VERTIGINIDAE)
- columbiana altior, Amphissa columbiana altior W.H. Dall, 1916 - (COLUMBELLIDAE)
- columbiana pilosa, Vespericola columbiana pilosa J. Henderson, 1928 - syn of: Vespericola columbiana (J. Henderson, 1928) - (POLYGYRIDAE)
- columbianum, Anagymnotoceras columbianum McLearn, 1946 † - (BEYRICHITIDAE) (FOSSIL)
- columbianum, Epitonium columbianum W.H. Dall, 1917 - syn of: Epitonium indianorum (P.P. Carpenter, 1865) - (EPITONIIDAE)
- columbianum, Meekophiceras columbianum (Tozer, 1963 †) - (MEEKOCERATIDAE) (FOSSIL)
- columbianum, Pisidium columbianum V. Sterki, 1913 - syn of: Pisidium casertanum (Poli, 1791) - (SPHAERIIDAE)
- columbianus, Ariolimax columbianus (A.A. Gould, 1851) - (ARIOLIMACIDAE)
- columbianus, Aviculopecten columbianus Hoare & al., 1978 † - (AVICULOPECTINIDAE) (FOSSIL)
- columbianus, Drymaeus columbianus (H.C. Lea, 1838) - (BULIMULIDAE)
- columbianus, Subprionotropis columbianus Basse, 1950 † - (COLLIGNONICERATIDAE) (FOSSIL)
- columbianus, Deshayesites columbianus Riedal, 1938 † - (DESHAYESITIDAE) (FOSSIL)
- columbianus, Distichites columbianus Tozer, 1994 † - (DISTICHITIDAE) (FOSSIL)
- columbianus, Eubranchus columbianus C.H. O'Donoghue, 1922 - (EUBRANCHIDAE)
- columbianus, Marshallites columbianus McLearn, 1972 † - (KOSSMATICERATIDAE) (FOSSIL)
- columbianus, Paranannites columbianus Smith, 1932 † - syn of: Paranannites aspenensis A. Hyatt & Smith, 1905 † - (MELAGATHICERATIDAE) (FOSSIL)
- columbianus, Metasibirites columbianus Tozer, 1979 † - (METASIBIRITIDAE) (FOSSIL)
- columbianus, Kashmirites columbianus Tozer, 1994 † - (PRIONITIDAE) (FOSSIL)
- columbianus, Mesohimavatites columbianus (McLearn, 1939 †) - (TIBETITIDAE) (FOSSIL)
- columbianus, Arctosirenites columbianus Tozer, 1994 † - (TRACHYCERATIDAE) (FOSSIL)
- columbianus, Tropiceltites columbianus McLearn, 1940 † - (TROPICELTITIDAE) (FOSSIL)
- columbiensis, Pomacea columbiensis (R.A. Philippi, 1851) - (AMPULLARIIDAE)
- columbiensis, Ampullaria columbiensis L.A. Reeve, 1856 - syn of: Pomacea flagellata (T. Say, 1829) - (AMPULLARIIDAE)
- columbiensis, Mesembrinus columbiensis (L. Pfeiffer, 1855) - (BULIMULIDAE)
- columbiensis, Chiton columbiensis G.B. I Sowerby, 1832 - syn of: Chaetopleura lurida (G.B. I Sowerby in W.J. Broderip & G.B. I Sowerby, 1832) - (CHITONIDAE)
- columbiensis, Divaricella columbiensis Lamy, 1934 † - syn of: Divalinga eburnea (L.A. Reeve, 1850 †) - (LUCINIDAE) (FOSSIL)
- columbiensis, Crassostrea columbiensis (L.G. Hertlein, 1951) - (OSTREIDAE)
- columbiensis, Planorbella columbiensis H.B. Baker, 1945 - (PLANORBIDAE)
- columbiensis, Psammotreta columbiensis (S.C.T. Hanley, 1844) - (TELLINIDAE)
- columbiensis, Tellina columbiensis S.C.T. Hanley, 1844 - syn of: Psammotreta columbiensis (S.C.T. Hanley, 1844) - (TELLINIDAE)
- columbiensis, Leukoma columbiensis (Sowerby, 1835) - (VENERIDAE)
- columbina, Berghia columbina (J.C. García-Gómez & T.E. Thompson, 1990) - (AEOLIDIIDAE)
- Columbina, syn of: Genus Alopia H. Adams & A. Adams, 1855 (CLAUSILIIDAE)
- columbina, Acanthodoris columbina F.M. MacFarland, 1926 - syn of: Acanthodoris nanaimoensis C.H. O'Donoghue, 1921 - (ONCHIDORIDIDAE)
- Columbinia, Genus Columbinia W. Polinski, 1924 (CLAUSILIIDAE)
- columbinum, Eutrephoceras columbinum (Fritsch, 1872 †) - (NAUTILIDAE) (FOSSIL)
- columbinus, Capulus columbinus Whidborne, 1889 † - syn of: Platyceras columbinus (Whidborne, 1889 †) - (CAPULIDAE) (FOSSIL)
- columbinus, Cerion columbinus M.I. Sánchez Roig, 1951 - (CERIONIDAE)
- columbinus, Nassarius columbinus F. Van Dingenen, L. Ceulemans & al., 2015 † - (NASSARIIDAE) (FOSSIL)
- columbinus, Platyceras columbinus (Whidborne, 1889 †) - (PLATYCERATIDAE) (FOSSIL)
- columbinus, Tectus columbinus B.M. Landau, L. Ceulemans & F. Van Dingenen, 2016 † - (TEGULIDAE) (FOSSIL)
- Columbisculites, Genus Columbisculites Tozer , 1994 (ISCULITIDAE) (FOSSIL)
- Columbites, Genus Columbites Hyatt & Smith, 1905 (COLUMBITIDAE) (FOSSIL)
- COLUMBITIDAE Spath, 1934 - Family (CEPHALOPODA-AMMONOIDEA [Subclass]-CERATITIDA [Order]-DINARITOIDEA [Superfamily]) (FOSSIL)
- Columbitrigonia, Genus Columbitrigonia Poulton, 1977 (MEGATRIGONIIDAE) (FOSSIL)
- Columboceras, Genus Columboceras Bucher , 2002 (ACROCHORDICERATIDAE) (FOSSIL)
- columbretensis, Ammonicera columbretensis P.G. Oliver & E. Rolán, 2015 - (OMALOGYRIDAE)
- Columbus, syn of: Genus Columbella J.B.P.A. Lamarck, 1799 (COLUMBELLIDAE)
- columella, Godlewskia columella (W.A. Lindholm, 1909) - (AMNICOLIDAE)
- columella, Chaperia columella J. Brown, 1952 † - (CAPROTINIDAE) (FOSSIL)
- columella, Abida columella É.A.A. Locard, 1894 - syn of: Abida secale (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- columella, Pseudosuccinea columella (T. Say, 1817) - (LYMNAEIDAE)
- columella, Syrnola columella A. Adams, 1863 - (PYRAMIDELLIDAE)
- columella, Obeliscus columella (R.A. Philippi, 1844) - (SUBULINIDAE)
- Columella, Genus Columella C.A. Westerlund, 1878 (VERTIGINIDAE)
- columella, Columella columella (G. Von Martens, 1830) - (VERTIGINIDAE)
- columella alticola, Columella columella alticola (E. Ingersoll, 1875) - (VERTIGINIDAE)
- columella castra, Pseudosuccinea columella castra I. Lea - (LYMNAEIDAE)
- columella chalybea, Pseudosuccinea columella chalybea (A.A. Gould) - (LYMNAEIDAE)
- columella championi, Pseudosuccinea columella championi (E.C. Von Martens, 1899) - (LYMNAEIDAE)
- columellare, Bittiolum columellare D'Orbigny, 1847 - syn of: Bittiolum varium (Pfeiffer, 1840) - (CERITHIIDAE)
- columellare, Chondropometes torrei columellare C. de la Torre & P. Bartsch, 1938 - (POMATIIDAE)
- columellaris, Tornatellina columellaris A. Mousson, 1870 - syn of: Lamellidea pusilla (A.A. Gould, 1847) - (ACHATINELLIDAE)
- columellaris, Pomacea columellaris (A.A. Gould, 1848) - (AMPULLARIIDAE)
- columellaris, Naesiotus columellaris W.K. Weyrauch, 1967 - (BULIMULIDAE)
- columellaris, Bostryx columellaris L.A. Reeve, 1849 - (BULIMULIDAE)
- columellaris, Bulla columellaris K.T. Menke, 1854 - syn of: Bulla ampulla C. Linnaeus, 1758 - (BULLIDAE)
- columellaris, Amphidromus columellaris O.F. von Möllendorff, 1862 - (CAMAENIDAE)
- columellaris, Pararillya columellaris (A. Michaud, 1838 †) - (CLAUSILIIDAE) (FOSSIL)
- columellaris, Merdigera columellaris C.A. Westerlund, 1887 - syn of: Merdigera obscura (O.F. Müller, 1774) - (ENIDAE)
- columellaris, Helicina columellaris J. Gundlach, 1857 - (HELICINIDAE)
- columellaris, Melarhaphe columellaris D'Orbigny, 1840 - syn of: Littoraria flava (P.P. King, 1832) - (LITTORINIDAE)
- columellaris, Lymnaea columellaris C.B. Adams, 1839 - syn of: Pseudosuccinea columella (T. Say, 1817) - (LYMNAEIDAE)
- columellaris, Plicopurpura columellaris (J.B.P.A. Lamarck, 1816) - (MURICIDAE)
- columellaris, Spixia columellaris J.J. Parodíz, 1941 - (ODONTOSTOMIDAE)
- columellaris, Olivella columellaris (G.B. I Sowerby, 1825) - (OLIVELLIDAE)
- columellaris, Pupilla columellaris A. Michaud, 1838 † - syn of: Pararillya columellaris (A. Michaud, 1838 †) - (PUPILLIDAE) (FOSSIL)
- columellaris, Nisiturris columellaris E. Robba, 2013 † - (PYRAMIDELLIDAE) (FOSSIL)
- columellaris, Ptychotrema columellaris (E.C. Von Martens, 1876) - (STREPTAXIDAE)
- columellaris, Myurella columellaris (R.B. Hinds, 1844) - (TEREBRIDAE)
- columellaris, Terebra columellaris R.B. Hinds, 1844 - syn of: Myurella columellaris (R.B. Hinds, 1844) - (TEREBRIDAE)
- columellaris bifasciata, Bulla columellaris bifasciata K.T. Menke, 1854 - syn of: Bulla ampulla C. Linnaeus, 1758 - (BULLIDAE)
- columellaris sierahensis, Amphidromus columellaris sierahensis H.A. Pilsbry, 1900 - (CAMAENIDAE)
- columellaris vermiculata, Bulla columellaris vermiculata K.T. Menke, 1854 - syn of: Bulla ampulla C. Linnaeus, 1758 - (BULLIDAE)
- columellata, Cysticopsis columellata (C.B. Adams, 1850) - (CEPOLIDAE)
- columellatum, Zaphysema columellatum (C.B. Adams, 1850) - (SAGDIDAE)
- columelllaris, Verrucarion columelllaris (A. d'Ailly, 1896) - (UROCYCLIDAE)
- columen, Columenoceras columen (Barrande, 1866 †) - (GEISONOCERATIDAE) (FOSSIL)
- columen, Chevallieria columen (J.C. Melvill, 1904) - (IRAVADIIDAE)
- Columenoceras, Genus Columenoceras Barskov, 1960 (GEISONOCERATIDAE) (FOSSIL)
- Columna, Genus Columna G. Perry, 1811 (ACHATINIDAE)
- columna, Columna columna (O.F. Müller, 1774) - (ACHATINIDAE)
- columna, Trachybaculites columna (Morton, 1834 †) - (AMMONOIDEA (UNASSIGNED)) (FOSSIL)
- columna, Baculites columna Morton 1834 † - (BACULITIDAE) (FOSSIL)
- columna, Rabdotus columna O.F. Müller, 1774 - syn of: Columna columna (O.F. Müller, 1774) - (BULIMULIDAE)
- columna, Bostryx coerulescens columna H.A. Pilsbry, 1898 - (BULIMULIDAE)
- columna, Cerion columna H.A. Pilsbry & E.G. Vanatta, 1895 - (CERIONIDAE)
- columna, Cerithium columna G.B. I Sowerby, 1834 - (CERITHIIDAE)
- columna, Synthopsis columna C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- columna, Cerithiopsis columna P.P. Carpenter, 1864 - (CERITHIOPSIDAE)
- columna, Cerithiopsis columna W. Kobelt, 1893 - syn of: Cerithiopsis columna P.P. Carpenter, 1864 - (CERITHIOPSIDAE)
- columna, Cochlicopa columna S. Clessin, 1875 - syn of: Cochlicopa lubrica (O.F. Müller, 1774) - (COCHLICOPIDAE)
- columna, Obtortio columna C.F. Laseron, 1956 - syn of: Finella pupoides A. Adams, 1860 - (DIASTOMATIDAE)
- columna, Pyrgula columna B.M. Logvinenko & Y.I. Starobogatov, 1968 - (HYDROBIIDAE)
- columna, Littorina columna I.H. Jonas in R.A. Philippi, 1847 - syn of: Littoraria undulata (Gray, 1826) - (LITTORINIDAE)
- columna, Murchisonella columna (C. Hedley, 1907) - (MURCHISONELLIDAE)
- columna, Coelocaulus columna J. Perner, 1907 † - (MURCHISONIIDAE) (FOSSIL)
- columna, Parachondria columna (W. Wood, 1828) - (POMATIIDAE)
- columna, Chrysallida columna (C.F. Laseron, 1959) - (PYRAMIDELLIDAE)
- columna, Eulimella columna C. Hedley, 1907 - syn of: Murchisonella columna (C. Hedley, 1907) - (PYRAMIDELLIDAE)
- columna, Rissoa columna J.P.L. Pelseneer, 1903 - syn of: Onoba kergueleni (E.A. Smith, 1875) - (RISSOIDAE)
- columna, Finella columna C.F. Laseron, 1956 - syn of: Finella pupoides A. Adams, 1860 - (SCALIOLIDAE)
- columna, Halistylus columna W.H. Dall, 1890 - (TROCHIDAE)
- columna, Cylindrella columna C.B. Adams, 1849 - syn of: Urocoptis brevis (L. Pfeiffer, 1841) - (UROCOPTIDAE)
- columna fusiforme, Cerithium columna fusiforme G.B. II Sowerby, 1855 - (CERITHIIDAE)
- columna infans, Synthopsis columna infans C.F. Laseron, 1956 - (CERITHIOPSIDAE)
- columna intermedia, Cylindrella columna intermedia C.B. Adams, 1849 - syn of: Urocoptis brevis (L. Pfeiffer, 1841) - (UROCOPTIDAE)
- columna sandwichensis, Cerithium columna sandwichensis L.A. Reeve, 1865 - (CERITHIIDAE)
- columna sculptum, Cerithium columna sculptum W.H. Pease, 1869 - (CERITHIIDAE)
- columna torulosum, Cerithium columna torulosum (C. Linnaeus, 1767) - syn of: Cerithium torulosum (C. Linnaeus, 1767) - (CERITHIIDAE)
- columnae, Bulla columnae S. Delle Chiaje, 1823 - syn of: Bulla striata J.G. Bruguière, 1792 - (BULLIDAE)
- columnae, Raphitoma columnae (A. Scacchi, 1835 †) - (RAPHITOMIDAE) (FOSSIL)
- columnae, Oestophora columnae (J.H. Ponsonby, 1889) - (TRISSEXODONTIDAE)
- columnalis, Parthenina columnalis Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- columnare, Bicuerda columnare (Erwin, 1988 †) - (GASTROPODA INCERTAE SEDIS) (FOSSIL)
- columnare, Orthonema columnare Erwin, 1988 † - syn of: Bicuerda columnare (Erwin, 1988 †) - (ORTHONEMATIDAE) (FOSSIL)
- columnare, Lyecoceras columnare (Marklin, 1857 †) - (PARAPHRAGMITIDAE) (FOSSIL)
- columnaria, Pisinna columnaria C. Hedley & W.L. May, 1908 - (ANABATHRIDAE)
- columnaria, Pisinna columnaria J.H. Gatliff & C.J. Gabriel, 1913 - syn of: Pisinna oblata (C.F. Laseron, 1956) - (ANABATHRIDAE)
- columnaria, Filodrillia columnaria C. Hedley, 1922 - (BORSONIIDAE)
- columnaria, Venericardia columnaria C. Hedley & W.L. May, 1908 † - (CARDITIDAE) (FOSSIL)
- columnaria, Zafra columnaria W.L. May, 1916 - (COLUMBELLIDAE)
- columnaria, Epigrus columnaria (C. Hedley & W.L. May, 1908) - (EPIGRIDAE)
- columnaria, Hebeulima columnaria (W.L. May, 1916) - (EULIMIDAE)
- columnaria, Rissopsis columnaria W.L. May, 1910 - (IRAVADIIDAE)
- columnaria, Hydroginella columnaria (C. Hedley & W.L. May, 1908) - (MARGINELLIDAE)
- columnaria, Volvarina columnaria C. Hedley & W.L. May, 1908 - syn of: Hydroginella columnaria (C. Hedley & W.L. May, 1908) - (MARGINELLIDAE)
- columnaria, Serrata columnaria C. Hedley & W.L. May, 1908 - syn of: Hydroginella columnaria (C. Hedley & W.L. May, 1908) - (MARGINELLIDAE)
- columnaria, Mitromorpha columnaria (C. Hedley, 1922) - (MITROMORPHIDAE)
- columnaria, Mitrithara columnaria C. Hedley, 1922 - syn of: Mitromorpha columnaria (C. Hedley, 1922) - (MITROMORPHIDAE)
- columnaria, Philine columnaria C. Hedley & W.L. May, 1908 - (PHILINIDAE)
- columnaria, Cymatiella columnaria (C. Hedley & W.L. May, 1908) - (RANELLIDAE)
- columnaria, Glyptozaria columnaria B.C. Cotton & N.H. Woods, 1935 - (TURRITELLIDAE)
- columnaris, Trophon columnaris H.H. Suter, 1908 - syn of: Xymene erectus (H.H. Suter, 1909) - (MURICIDAE)
- columnaris, Natica columnaris C.A. Récluz, 1850 - syn of: Polinices peselephanti (J.H.F. Link, 1807) - (NATICIDAE)
- columnaris, Polinices columnaris C.A. Récluz, 1844 - syn of: Polinices peselephanti (J.H.F. Link, 1807) - (NATICIDAE)
- columnaris, Spirostylus columnaris (Münster, 1841 †) - (SPIROSTYLIDAE) (FOSSIL)
- columnaris, Terebra columnaris G.P. Deshayes, 1859 - syn of: Terebra cingulifera J.B.P.A. Lamarck, 1822 - (TEREBRIDAE)
- columnaris, Melania columnaris Münster, 1841 † - syn of: Spirostylus columnaris (Münster, 1841 †) - (THIARIDAE) (FOSSIL)
- columnaris, Turritella columnaris L.C. Kiener, 1844 - (TURRITELLIDAE)
- columnaris, Velainella columnaris Vasseur, 1881 † - (VELAINELLIDAE) (FOSSIL)
- columnarium, Calliostoma columnarium C. Hedley & W.L. May, 1908 - (CALLIOSTOMATIDAE)
- columnarius, Leptochiton columnarius (C. Hedley & W.L. May, 1908) - (LEPTOCHITONIDAE)
- columnarius, Benthoxystus columnarius (C. Hedley & W.L. May, 1908) - (MURICIDAE)
- columnella, Granopupa columnella É.A.A. Locard, 1894 - syn of: Granopupa granum (J.P.R. Draparnaud, 1801) - (CHONDRINIDAE)
- columnella, Cuvierina columnella (P.C.A.S.L. Rang, 1827) - (CUVIERINIDAE)
- columnella, Gibberula columnella (A.R.J.B. Bavay in P. Dautzenberg, 1912) - (CYSTISCIDAE)
- columnella, Epitonium columnella W.H. Dall, 1917 - (EPITONIIDAE)
- columnella, Marginella columnella A.R.J.B. Bavay in P. Dautzenberg, 1912 - syn of: Gibberula columnella (A.R.J.B. Bavay in P. Dautzenberg, 1912) - (MARGINELLIDAE)
- columnella, Syrnola columnella A. Adams, 1863 - (PYRAMIDELLIDAE)
- columnella atlantica, Cuvierina columnella atlantica A.W.H. Bè, C. MacClintock & D.R. Currie, 1972 - syn of: Cuvierina atlantica A.W.H. Bè, C. MacClintock & D.R. Currie, 1972 - (CUVIERINIDAE)
- columnella urceolaris, Cuvierina columnella urceolaris (O.A.L. Mörch, 1850) - syn of: Cuvierina urceolaris (O.A.L. Mörch, 1850) - (CUVIERINIDAE)
- columnum, Epitonium columnum A. Feneaux, 1938 - (EPITONIIDAE)
- colunghensis, Asturianaia colunghensis G. Delvene, M. Munt & al., 2016 † - (MARGARITIFERIDAE) (FOSSIL)
- colungiana, Chrysallida colungiana F. Nordsieck, 1972 - syn of: Parthenina dollfusi (W. Kobelt, 1903) - (PYRAMIDELLIDAE)
- coluplicatus, Buliminus coluplicatus E. Gittenberger & H.P.M.G. Menkhorst, 1991 - (ENIDAE)
- Colus, Genus Colus P.F. Rφding, 1798 (BUCCINIDAE)
- colus, Siphonalia colus A. Adams, 1863 - syn of: Siphonalia modificata (L.A. Reeve, 1846) - (BUCCINIDAE)
- colus, Fusinus colus (C. Linnaeus, 1758) - (FASCIOLARIIDAE)
- colus, Murex colus C. Linnaeus, 1758 - syn of: Fusinus colus (C. Linnaeus, 1758) - (MURICIDAE)
- colus longicauda, Fusinus colus longicauda J.B.P.A. Lamarck, 1816 - (FASCIOLARIIDAE)
- colus toreuma, Fusinus colus toreuma (T. Martyn, 1784) - (FASCIOLARIIDAE)
- colusaense, Pachydesmoceras colusaense (Anderson, 1902 †) - (DESMOCERATIDAE) (FOSSIL)
- Coluzea, Genus Coluzea H.J. Finlay, 1927 (TURBINELLIDAE)
- Colveraia, Genus Colveraia Klinghardt, 1921 (RADIOLITIDAE) (FOSSIL)
- colvillei, Leiostyla colvillei M. Seddon & I.J. Killeen, 1996 - (LAURIIDAE)
- colvillensis, Tugali colvillensis H.J. Finlay, 1926 - (FISSURELLIDAE)
- Colwellia, syn of: Genus Keepingia Nuttall & J. Cooper, 1973 (NASSARIIDAE) (FOSSIL)
- Colwellia, syn of: Genus Keepingia Nuttall & J. Cooper, 1973 (NASSARIIDAE) (FOSSIL)
- Colyma, syn of: Genus Helicina J.B.P.A. Lamarck, 1799 (HELICINIDAE)
- colymbus, Pteria colymbus (P.F. Röding, 1798) - (PTERIIDAE)
- colymbus, Pinctada colymbus P.F. Röding, 1798 - syn of: Pteria colymbus (P.F. Röding, 1798) - (PTERIIDAE)
- colymbus atlantica, Pteria colymbus atlantica (J.B.P.A. Lamarck, 1819) - (PTERIIDAE)
- colymis, Holospira colymis F.G. Thompson & E.L. Mihalcik, 2005 - (UROCOPTIDAE)
- colzumensis, Euthymella colzumensis (F.P. Jousseaume, 1898) - (TRIPHORIDAE)
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