- creantirudis, Orculella creantirudis E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- creber, Ouaoufilalites creber D. Korn & al., 2010 † - (PERICYCLIDAE) (FOSSIL)
- creberrimum, Epitonium creberrimum (R.B. Hinds, 1843) - (EPITONIIDAE)
- crebescens, Novakotheca crebescens (Resser & Endo, 1937 †) - (HYOLITHIDAE) (FOSSIL)
- crebistriata, Boettgeria deltostoma crebistriata (R.T. Lowe, 1855) - (CLAUSILIIDAE)
- crebisulcatus, Protetragonites crebisulcatus (Uhlig, 1883 †) - (LYTOCERATIDAE) (FOSSIL)
- crebra, Cleionychia crebra Khalfin, 1958 † - (AMBONYCHIIDAE) (FOSSIL)
- crebra, Pachyclymenia crebra Ruan, 1981 † - (PACHYCLYMENIIDAE) (FOSSIL)
- crebra, Melanoides tuberculata crebra I. Lea, 1850 - (THIARIDAE)
- crebra, Dosina crebra F.W. Hutton, 1873 - syn of: Dosina mactracea (W.J. Broderip, 1835) - (VENERIDAE)
- crebraecostata, Trigonia crebraecostata Pugaczewska, 1976 † - (TRIGONIIDAE) (FOSSIL)
- crebrecostata, Rissoina crebrecostata K.H.J. Thiele, 1930 - syn of: Rissoina ambigua (A.A. Gould, 1849) - (RISSOINIDAE)
- crebrecostulata, Clausilia crebrecostulata E. Caziot, 1910 - syn of: Clausilia bidentata crenulata A. Risso, 1826 - (CLAUSILIIDAE)
- crebrelamellata, Venerupis crebrelamellata R. Tate, 1887 - syn of: Irus cumingii (G.P. Deshayes, 1854) - (VENERIDAE)
- crebreliratus, Glycymeris crebreliratus G.B. Sowerby, 1889 - syn of: Glycymeris tenuicostata (L.A. Reeve, 1843) - (GLYCYMERIDIDAE)
- crebreliratus, Tucetona crebreliratus G.B. Sowerby, 1889 - syn of: Glycymeris tenuicostata (L.A. Reeve, 1843) - (GLYCYMERIDIDAE)
- crebreradiata, Cosa crebreradiata (B.C. Cotton, 1931) - (PHILOBRYIDAE)
- crebresculpta, Cyclostrema crebresculpta R. Tate, 1899 - syn of: Brookula crebresculpta (R. Tate, 1899) - (LIOTIIDAE)
- crebresculpta, Brookula crebresculpta (R. Tate, 1899) - (SEGUENZIOIDEA (UNASSIGNED))
- crebrespirata, Filodrillia crebrespirata (J.C. Verco, 1909) - (BORSONIIDAE)
- crebrespirata, Drillia crebrespirata J.C. Verco, 1909 - syn of: Filodrillia crebrespirata (J.C. Verco, 1909) - (DRILLIIDAE)
- crebresquamata, Limatula crebresquamata (Tate 1899) † - (LIMIDAE) (FOSSIL)
- crebresulcatus, Nassarius crebresulcatus (L.M.D. Bellardi, 1882 †) - (NASSARIIDAE) (FOSSIL)
- crebricarinatum, Buccinum crebricarinatum V.J. Lus, 1978 - (BUCCINIDAE)
- crebricinctum, Caecum crebricinctum P.P. Carpenter, 1864 - (CAECIDAE)
- crebricinctum barklayense, Caecum crebricinctum barklayense P. Bartsch, 1920 - (CAECIDAE)
- crebricinctum catalinense, Caecum crebricinctum catalinense P. Bartsch, 1920 - (CAECIDAE)
- crebricinctum oregonense, Caecum crebricinctum oregonense P. Bartsch, 1920 - (CAECIDAE)
- crebricinctum pedroense, Caecum crebricinctum pedroense P. Bartsch, 1920 - (CAECIDAE)
- crebricosta, Mitra crebricosta J.B.P.A. Lamarck, 1803 † - (MITRIDAE) (FOSSIL)
- crebricostata, Anadara crebricostata (L.A. Reeve, 1844) - (ARCIDAE)
- crebricostata, Astarte crebricostata G. McAndrew & E. Forbes, 1847 - (ASTARTIDAE)
- crebricostata, Astarte crebricostata A.A. Gould in W.G. Binney, 1870 - syn of: Astarte subequilatera G.B. II Sowerby, 1854 - (ASTARTIDAE)
- crebricostata, Cyclocardia crebricostata A. Krause, 1885 - (CARDITIDAE)
- crebricostata, Clavatula crebricostata R.B. Hinds, 1843 - (CLAVATULIDAE)
- crebricostata, Littorina crebricostata Jukes-Browne ex Seeley MS † - (LITTORINIDAE) (FOSSIL)
- crebricostata, Mangelia crebricostata (P.P. Carpenter, 1864) - (MANGELIIDAE)
- crebricostata, Oenopota crebricostata P.P. Carpenter, 1864 - syn of: Mangelia crebricostata (P.P. Carpenter, 1864) - (MANGELIIDAE)
- crebricostata, Kurtziella crebricostata P.P. Carpenter, 1864 - syn of: Mangelia crebricostata (P.P. Carpenter, 1864) - (MANGELIIDAE)
- crebricostata, Nassa crebricostata M.M. Schepman, 1911 - syn of: Nassarius crebricostatus (M.M. Schepman, 1911) - (NASSARIIDAE)
- crebricostata, Scaeoleda crebricostata (J.E. Tenison-Woods, 1877 †) - (NUCULANIDAE) (FOSSIL)
- crebricostata, Leucosyrinx crebricostata Unknown - (PSEUDOMELATOMIDAE)
- crebricostata, Turbonilla crebricostata J. Marwick, 1931 † - (PYRAMIDELLIDAE) (FOSSIL)
- crebricostata inflata, Astarte crebricostata inflata R. Hägg, 1904 - (ASTARTIDAE)
- crebricostata nomensis, Cardita crebricostata nomensis Mc Neil, 1943 - syn of: Cyclocardia crebricostata A. Krause, 1885 - (CARDITIDAE)
- crebricostatum, Buccinum crebricostatum V.J. Lus, 1978 - (BUCCINIDAE)
- crebricostatum, Cymatoceras crebricostatum (Blanford, 1861 †) - (CYMATOCERATIDAE) (FOSSIL)
- crebricostatum, Epitonium crebricostatum P.P. Carpenter, 1864 - (EPITONIIDAE)
- crebricostatum bormanni, Epitonium crebricostatum bormanni A.M. Strong, 1941 - syn of: Epitonium tinctum bormanni A.M. Strong, 1941 - (EPITONIIDAE)
- crebricostatus, Beringius crebricostatus (W.H. Dall, 1877) - (BUCCINIDAE)
- crebricostatus, Brachidontes crebricostatus (T.A. Conrad, 1837) - (MYTILIDAE)
- crebricostatus, Nassarius crebricostatus (M.M. Schepman, 1911) - (NASSARIIDAE)
- crebricostatus, Minnivola crebricostatus R.A. Philippi, 1845 - syn of: Minnivola pyxidata (I. von Born, 1778) - (PECTINIDAE)
- crebricostatus dilemensis, Nassarius crebricostatus dilemensis C.H. Oostingh, 1939 † - syn of: Nassarius idyllius (J.C. Melvill & R. Standen, 1901) - (NASSARIIDAE) (FOSSIL)
- crebricostellata, Crebriscala crebricostellata (Mayer-Eymar, 1900 †) - (EPITONIIDAE) (FOSSIL)
- crebricostis, Corbicula crebricostis C.A. Westerlund, 1885 - syn of: Corbicula fluminea (O.F. Müller, 1774) - (CYRENIDAE)
- crebricostulatus, Nassarius crebricostulatus (L.M.D. Bellardi, 1882 †) - (NASSARIIDAE) (FOSSIL)
- crebricrenata, Turricula crebricrenata (A.E.M. Cossmann, 1923 †) - (CLAVATULIDAE) (FOSSIL)
- crebriflamina, Coccopigya crebriflamina B.A. Marshall, 1986 - syn of: Coccopigya crebrilamina B.A. Marshall, 1986 - (COCCULINIDAE)
- crebriflammis, Flammulina crebriflammis (L. Pfeiffer, 1853) - (CHAROPIDAE)
- crebriflammis teres, Flammulina crebriflammis teres (L. Pfeiffer, 1853) - (CHAROPIDAE)
- crebriforma, Lioglyphostoma crebriforma D.R. Shasky & G.B. Campbell, 1964 - (PSEUDOMELATOMIDAE)
- crebrigranosus, Colus crebrigranosus R. Tate, 1888 † - syn of: Varicosipho crebrigranosus (R. Tate, 1888 †) - (BUCCINIDAE) (FOSSIL)
- crebrigranosus, Varicosipho crebrigranosus (R. Tate, 1888 †) - (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- crebrilamellata, Venerupis crebrilamellata R. Tate, 1887 - syn of: Irus cumingii (G.P. Deshayes, 1854) - (VENERIDAE)
- crebrilamellosus, Mipus crebrilamellosus (G.B. III Sowerby, 1913) - (MURICIDAE)
- crebrilamellosus, Coralliophila crebrilamellosus G.B. III Sowerby, 1913 - syn of: Mipus crebrilamellosus (G.B. III Sowerby, 1913) - (MURICIDAE)
- crebrilamina, Coccopigya crebrilamina B.A. Marshall, 1986 - (COCCULINIDAE)
- crebrilineata, Subcancilla crebrilineata G.B. Sowerby, 1874 - syn of: Subcancilla filaris (C. Linnaeus, 1771) - (MITRIDAE)
- crebrilineata, Nassa crebrilineata C. Rousseau, 1854 - syn of: Nassarius concinnus (W.L. Powys, 1835) - (NASSARIIDAE)
- crebrilirata, Astarte crebrilirata Woods, 1850 † - (ASTARTIDAE) (FOSSIL)
- crebrilirata, Astarte crebrilirata G.B. II Sowerby, 1854 - (ASTARTIDAE)
- crebrilirata, Astarte crebrilirata S.V. Wood, 1853 - syn of: Astarte crebricostata G. McAndrew & E. Forbes, 1847 - (ASTARTIDAE)
- crebrilirata, Lienardia crebrilirata (E.A. Smith, 1884) - (CLATHURELLIDAE)
- crebrilirata, Crassatella crebrilirata G.B. II Sowerby, 1870 - (CRASSATELLIDAE)
- crebrilirata, Tucetilla crebrilirata (G.B. Sowerby, 1889) - (GLYCYMERIDIDAE)
- crebrilirata, Mitra crebrilirata L.A. Reeve, 1844 - syn of: Vexillum acuminatum (J.F. Gmelin, 1791) - (MITRIDAE)
- crebrilirata, Pleurotoma crebrilirata E.A. Smith, 1884 - syn of: Lienardia crebrilirata (E.A. Smith, 1884) - (TURRIDAE)
- crebrilirata, Haliris crebrilirata (B. Prashad, 1932) - (VERTICORDIIDAE)
- crebriliratum, Vexillum crebriliratum L.A. Reeve, 1844 - syn of: Vexillum acuminatum (J.F. Gmelin, 1791) - (COSTELLARIIDAE)
- crebriliratum, Neoglyphioceras crebriliratum W.J. Gordon, 1964 † - (GONIATITIDAE) (FOSSIL)
- crebriliratum, Orthoceras crebriliratum Girty, 1909 † - syn of: Mitorthoceras crebriliratum (Girty, 1909 †) - (ORTHOCERATIDAE) (FOSSIL)
- crebriliratum, Mitorthoceras crebriliratum (Girty, 1909 †) - (PSEUDORTHOCERATIDAE) (FOSSIL)
- crebriliratus, Africotriton crebriliratus (G.B. III Sowerby, 1903) - (CANCELLARIIDAE)
- crebriliratus, Epidromus crebriliratus G.B. III Sowerby, 1903 - syn of: Africotriton crebriliratus (G.B. III Sowerby, 1903) - (COLUBRARIIDAE)
- crebriliratus, Fusinus crebriliratus L.A. Reeve, 1847 - syn of: Fusinus australis (J.R.C. Quoy & J.P. Gaimard, 1833) - (FASCIOLARIIDAE)
- crebriliratus, Fusus crebriliratus L.A. Reeve, 1848 - syn of: Fusinus australis (J.R.C. Quoy & J.P. Gaimard, 1833) - (FASCIOLARIIDAE)
- crebrilirulata, Margarella crebrilirulata (E.A. Smith, 1907) - (CALLIOSTOMATIDAE)
- crebrilirulata, Margarites crebrilirulata E.A. Smith, 1907 - syn of: Margarella crebrilirulata (E.A. Smith, 1907) - (MARGARITIDAE)
- crebrilirulata, Valvatella crebrilirulata E.A. Smith, 1907 - syn of: Margarella crebrilirulata (E.A. Smith, 1907) - (MARGARITIDAE)
- crebrimaculata, Tellina crebrimaculata G.B. II Sowerby, 1868 - syn of: Semelangulus crebrimaculatus (G.B. II Sowerby, 1868) - (TELLINIDAE)
- crebrimaculatus, Semelangulus crebrimaculatus (G.B. II Sowerby, 1868) - (TELLINIDAE)
- crebriplicata, Daphnella crebriplicata (L.A. Reeve, 1846) - (RAPHITOMIDAE)
- crebripunctata, Cylichna crebripunctata J.G. Jeffreys, 1883 - syn of: Scaphander punctostriatus (J.W. Mighels & C.B. Adams, 1842) - (CYLICHNIDAE)
- crebripunctatus, Cryptaxis crebripunctatus J.G. Jeffreys, 1883 - syn of: Scaphander punctostriatus (J.W. Mighels & C.B. Adams, 1842) - (HYGROMIIDAE)
- Crebriscala, Genus Crebriscala De Boury, 1909 (EPITONIIDAE)
- crebrisculpta, Emarginella crebrisculpta G.S. Coen, 1939 - syn of: Emarginula huzardii B.C.M. Payraudeau, 1826 - (FISSURELLIDAE)
- crebrisculpta, Haliotis squamosa crebrisculpta G.B. III Sowerby, 1914 - (HALIOTIDAE)
- crebrisculpta, Cylichnina crebrisculpta (T.A. de M. Monterosato, 1884) - (RETUSIDAE)
- crebriseptum, Goniatites crebriseptum Barrande, 1865 † - (GONIATITIDAE) (FOSSIL)
- crebriseptum, Pernoceras crebriseptum (W.J. Raymond, 1909 †) - (KIRSOCERATIDAE) (FOSSIL)
- crebristria, Cyclonema crebristria (F. McCoy, 1851 †) - (PLATYCERATIDAE) (FOSSIL)
- crebristria, Turbo crebristria F. McCoy, 1851 † - syn of: Cyclonema crebristria (F. McCoy, 1851 †) - (TURBINIDAE) (FOSSIL)
- crebristria rugata, Cyclonema crebristria rugata Pitcher † - (PLATYCERATIDAE) (FOSSIL)
- crebristriata, Acmaea crebristriata J.C. Verco, 1904 - syn of: Asteracmea crebristriata (J.C. Verco, 1904) - (ACMAEIDAE)
- crebristriata, Boettgeria deltostoma crebristriata (R.T. Lowe, 1855) - (CLAUSILIIDAE)
- crebristriata, Aforia crebristriata (W.H. Dall, 1908) - (COCHLESPIRIDAE)
- crebristriata, Irenosyrinx crebristriata W.H. Dall, 1908 - syn of: Aforia crebristriata (W.H. Dall, 1908) - (COCHLESPIRIDAE)
- crebristriata, Asteracmea crebristriata (J.C. Verco, 1904) - (LOTTIIDAE)
- crebristriata, Nassa crebristriata P.P. Carpenter, 1857 - syn of: Phrontis versicolor (C.B. Adams, 1852) - (NASSARIIDAE)
- crebristriata roseoradiata, Nacella crebristriata roseoradiata J.C. Verco, 1912 - syn of: Asteracmea roseoradiata (J.C. Verco, 1912) - (NACELLIDAE)
- crebristriatus, Aviculopecten crebristriatus de Koninck, 1863 † - (AVICULOPECTINIDAE) (FOSSIL)
- crebristriatus, Monostiolum crebristriatus (H.F. Carpenter, 1856) - (BUCCINIDAE)
- crebristriatus, Caducifer crebristriatus H.F. Carpenter, 1856 - syn of: Monostiolum crebristriatus (H.F. Carpenter, 1856) - (BUCCINIDAE)
- crebristriatus, Ischnochiton crebristriatus L.C. Cochran, 1988 - (ISCHNOCHITONIDAE)
- crebristriatus, Brachidontes crebristriatus (T.A. Conrad, 1837) - (MYTILIDAE)
- crebristriatus, Mytilus crebristriatus T.A. Conrad, 1837 - syn of: Brachidontes crebristriatus (T.A. Conrad, 1837) - (MYTILIDAE)
- crebristriatus, Triton crebristriatus H.F. Carpenter, 1856 - syn of: Monostiolum crebristriatus (H.F. Carpenter, 1856) - (RANELLIDAE)
- crebristriatus, Pseudodon crebristriatus J.G. Anthony, 1865 - (UNIONIDAE)
- crebristriatus curvata, Trigonodon crebristriatus curvata H.B. Preston, 1912 - syn of: Pseudodon crebristriatus J.G. Anthony, 1865 - (UNIONIDAE)
- crebristriatus maritima, Mytilus crebristriatus maritima H.A. Pilsbry, 1921 - syn of: Brachidontes crebristriatus (T.A. Conrad, 1837) - (MYTILIDAE)
- crebristriga, Drymaeus chrysomelas crebristriga E.C. Von Martens, 1867 - (BULIMULIDAE)
- crebrisulca, Venus crebrisulca J.B.P.A. Lamarck, 1818 - (VENERIDAE)
- crebrisulca, Venus crebrisulca G.B. II Sowerby, 1853 - syn of: Globivenus toreuma (A.A. Gould, 1850) - (VENERIDAE)
- crebrisulcata, Puzosia crebrisulcata (Kossmat, 1898 †) - (DESMOCERATIDAE) (FOSSIL)
- crebrisulcatus, Protetragonites crebrisulcatus (Uhlig, 1883 †) - (LYTOCERATIDAE) (FOSSIL)
- crebrisulcus, Conus crebrisulcus G.B. II Sowerby, 1857 - syn of: Conasprella jaspidea (J.F. Gmelin, 1791) - (CONIDAE)
- creccina, Laternula creccina (L.A. Reeve, 1860) - (LATERNULIDAE)
- credelarum, Dinocardium credelarum (L.R. Cox, 1941 †) - (CARDIIDAE) (FOSSIL)
- credibilis, Kokenospira credibilis Reed, 1921 † - (BUCANIIDAE) (FOSSIL)
- credneri, Ammonites credneri Klipstein, 1843 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- credneri, Ocenebra credneri Hõrnes & M. Auinger, 1885 † - (MURICIDAE) (FOSSIL)
- credneri, Ocinebrina sublavata credneri (R. Hoernes & M. Auinger, 1885) † - (MURICIDAE) (FOSSIL)
- credneri, Pinna credneri C. Gemmellaro, 1896 † - (PINNIDAE) (FOSSIL)
- credneri, Pleurotomaria credneri Klipstein, 1843 † - syn of: Sisenna venusta (Münster, 1841 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- credneri, Syringoceras credneri Mojsisovics, 1902 † - (SYRINGONAUTILIDAE) (FOSSIL)
- creedi, Arnemelassa creedi (J.C. Cox, 1868) - (CAMAENIDAE)
- Creedonia, Genus Creedonia A. Martins, 1996 (ELLOBIIDAE)
- creightoni, Holospira creightoni P. Bartsch, 1926 - syn of: Holospira pedroana P. Bartsch, 1926 - (UROCOPTIDAE)
- cremans, Mitra cremans L.A. Reeve, 1845 - syn of: Pusia pisolinum (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- cremata, Cancellaria cremata R.B. Hinds, 1843 - (CANCELLARIIDAE)
- cremata, Nassa cremata R.B. Hinds, 1844 - syn of: Nassarius crematus R.B. Hinds, 1844 - (NASSARIIDAE)
- crematus, Nassarius crematus R.B. Hinds, 1844 - (NASSARIIDAE)
- cremensis, Gibbula cremensis Andrzeiewsky, 1832 - syn of: Gibbula adriatica (R.A. Philippi, 1844) - (TROCHIDAE)
- cremensis, Turbo cremensis Andrzeiewsky, 1832 - syn of: Gibbula adriatica (R.A. Philippi, 1844) - (TURBINIDAE)
- Cremides, Subgenus Fissurella (Cremides) H. Adams & A. Adams, 1854 (FISSURELLIDAE)
- cremnobates, Tubuaia cremnobates C.M. Cooke & Y. Kondo, 1960 - (ACHATINELLIDAE)
- cremnobates, Neopetraeus cremnobates H.A. Pilsbry, 1949 - syn of: Neopetraeus tessellatus (R.J. Shuttleworth, 1852) - (BULIMULIDAE)
- Cremnobates, syn of: Genus Marinula P.P. King & W.J. Broderip, 1832 (ELLOBIIDAE)
- cremnobates, Stalactella cremnobates F.G. Thompson & E.L. Mihalcik, 2005 - (EPIROBIIDAE)
- Cremnobates, syn of: Genus Cremnoconchus W.T. Blanford, 1869 (LITTORINIDAE)
- Cremnoceramus, Genus Cremnoceramus Heinz, 1932 (INOCERAMIDAE) (FOSSIL)
- cremnochione, Peristernia cremnochione J.C. Melvill, 1891 - (FASCIOLARIIDAE)
- cremnochione photiformis, Peristernia cremnochione photiformis J.C. Melvill, 1891 - syn of: Peristernia cremnochione J.C. Melvill, 1891 - (FASCIOLARIIDAE)
- Cremnoconchus, Genus Cremnoconchus W.T. Blanford, 1869 (LITTORINIDAE)
- Cremnodinotus, syn of: Genus Ocruranus Liu, 1979 (HALKIERIIDAE) (FOSSIL)
- cremoniana, Hermaea cremoniana S. Trinchese, 1892 - syn of: Placida cremoniana (S. Trinchese, 1892) - (HERMAEIDAE)
- cremoniana, Placida cremoniana (S. Trinchese, 1892) - (LIMAPONTIIDAE)
- cremonilla, Lienardia cremonilla (J.C. Melvill & R. Standen, 1895) - (CLATHURELLIDAE)
- cremonilla, Mangelia cremonilla J.C. Melvill & R. Standen, 1895 - syn of: Lienardia cremonilla (J.C. Melvill & R. Standen, 1895) - (MANGELIIDAE)
- cremonthauma, Bostryx cremonthauma H.A. Pilsbry - (BULIMULIDAE)
- Cremoria, syn of: Genus Puncturella R.T. Lowe, 1827 (FISSURELLIDAE)
- Cremula, syn of: Genus Liostomia G.O. Sars, 1878 (PYRAMIDELLIDAE)
- cremulatus, Lopesianus cremulatus W.K. Weyrauch, 1958 - syn of: Lopesianus crenulatus W.K. Weyrauch, 1958 - (BULIMULIDAE)
- crenagulata, Neomenia crenagulata L. Salvini-Plawén, 1978 - (NEOMENIIDAE)
- crenalirata, Astarte crenalirata T.A. Conrad, 1860 † - syn of: Vetericardiella crenalirata (T.A. Conrad, 1860 †) - (ASTARTIDAE) (FOSSIL)
- crenalirata, Vetericardiella crenalirata (T.A. Conrad, 1860 †) - (CARDITIDAE) (FOSSIL)
- crenalirata, Pseudocardia crenalirata T.A. Conrad, 1860 † - syn of: Vetericardiella crenalirata (T.A. Conrad, 1860 †) - (CARDITIDAE) (FOSSIL)
- Crenamussium, Genus Crenamussium Newton, 1987 (PTERIIDA (UNASSIGNED)) (FOSSIL)
- crenata, Amphibola crenata (J.F. Gmelin, 1791) - (AMPHIBOLIDAE)
- crenata, Amphibola crenata T. Martyn, 1786 - syn of: Amphibola crenata (J.F. Gmelin, 1791) - (AMPHIBOLIDAE)
- crenata, Delphinula crenata L.C. Kiener, 1839 - syn of: Liotina crenata (L.C. Kiener, 1838) - (ANGARIIDAE)
- crenata, Astarte crenata (J.E. Gray, 1824) - (ASTARTIDAE)
- crenata, Bathytoma crenata (P. Nyst, 1843 ) - (BORSONIIDAE)
- crenata, Calocochlia cryptica crenata (W.J. Broderip, 1841) - (BRADYBAENIDAE)
- crenata, Trochita crenata Gardner, 1947 † - (CALYPTRAEIDAE) (FOSSIL)
- crenata, Cardita crenata G.A. Goldfuss, 1837 † - (CARDITIDAE) (FOSSIL)
- crenata, Ovatipsa crenata P.F. Röding, 1798 - syn of: Ovatipsa chinensis (J.F. Gmelin, 1791) - (CYPRAEIDAE)
- crenata, Opalia crenata (C. Linnaeus, 1758) - (EPITONIIDAE)
- crenata, Postligata crenata B. Wade, 1926 † - (GLYCYMERIDIDAE) (FOSSIL)
- crenata, Promathildia crenata (Münster, 1841 †) - (GORDENELLIDAE) (FOSSIL)
- crenata, Schafbergia crenata (F. Stoliczka, 1861 †) - (GORDENELLIDAE) (FOSSIL)
- crenata, Haliotis crenata W.J. Swainson, 1822 - syn of: Haliotis scalaris (W.E. Leach, 1814) - (HALIOTIDAE)
- crenata, Harpa crenata W.J. Swainson, 1822 - (HARPIDAE)
- crenata, Helicarion crenata J.T. Kuroda & M. Azuma, 1982 - (HELICARIONIDAE)
- crenata, Limax crenata T. Martyn, 1786 - syn of: Amphibola crenata (J.F. Gmelin, 1791) - (LIMACIDAE)
- crenata, Aspalima crenata (A. Adams, 1863) - (LIMOPSIDAE)
- crenata, Liotina crenata (L.C. Kiener, 1838) - (LIOTIIDAE)
- crenata, Worthenia crenata Münster, 1841 † - syn of: Rinaldoella crenata (Münster, 1841 †) - (LOPHOSPIRIDAE) (FOSSIL)
- crenata, Nebularia crenata (W.J. Broderip, 1836) - (MITRIDAE)
- crenata, Aulacomya atra crenata (J.B.P.A. Lamarck, 1819) - (MYTILIDAE)
- crenata, Nassa crenata R.B. Hinds, 1844 - syn of: Nassarius crematus R.B. Hinds, 1844 - (NASSARIIDAE)
- crenata, Natica crenata C.A. Récluz, 1853 - syn of: Naticarius alapapilionis (P.F. Röding, 1798) - (NATICIDAE)
- crenata, Patella crenata J.F. Gmelin, 1791 - syn of: Patella caerulea C. Linnaeus, 1758 - (PATELLIDAE)
- crenata, Patella tenuis crenata D'Orbigny, 1840 - (PATELLIDAE)
- crenata, Philine crenata A. Adams, 1862 - (PHILINIDAE)
- crenata, Pleurotomaria crenata Münster, 1841 † - syn of: Rinaldoella crenata (Münster, 1841 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- crenata, Semele crenata A. Adams & G.F. Angas, 1864 - syn of: Semele crenulata (L.A. Reeve, 1853) - (SEMELIDAE)
- crenata, Siphonaria crenata H.M.D. de Blainville, 1827 - (SIPHONARIIDAE)
- crenata, Conturbatia crenata J. Gerlach, 2001 - (STREPTAXIDAE)
- crenata, Epalxis crenata (J.G. Bruguière, 1792 †) - (TURRIDAE) (FOSSIL)
- crenata, Archegocoptis crenata (C.D. Weinland & E.C. Von Martens, 1859) - (UROCOPTIDAE)
- crenata, Glycydonta crenata (Sandberger 1861) † - (VENERIDA (UNASSIGNED)) (FOSSIL)
- crenata, Puberella crenata (J.F. Gmelin, 1791) - (VENERIDAE)
- crenata, Venus crenata J.F. Gmelin, 1791 - syn of: Puberella crenata (J.F. Gmelin, 1791) - (VENERIDAE)
- crenata, Rinaldoella crenata (Münster, 1841 †) - (WORTHENIELLIDAE) (FOSSIL)
- crenata filatovae, Astarte crenata filatovae T. Habe, 1964 - (ASTARTIDAE)
- crenata incostata, Astarte crenata incostata R. Hägg, 1904 - syn of: Astarte crenata (J.E. Gray, 1824) - (ASTARTIDAE)
- crenata inflata, Astarte crenata inflata R. Hägg, 1904 - syn of: Astarte crenata (J.E. Gray, 1824) - (ASTARTIDAE)
- crenata scutulata, Nassa crenata scutulata J. Giner Mari, 1934 - syn of: Nassarius crematus R.B. Hinds, 1844 - (NASSARIIDAE)
- crenata subaequilatera, Astarte crenata subaequilatera G.B. II Sowerby, 1854 - syn of: Astarte subequilatera G.B. II Sowerby, 1854 - (ASTARTIDAE)
- crenata sulcatoides, Astarte crenata sulcatoides K.N. Nesis, 1964 - syn of: Astarte crenata (J.E. Gray, 1824) - (ASTARTIDAE)
- crenatella, Elimia crenatella I. Lea, 1860 - (PLEUROCERIDAE)
- Crenatinanina, Subgenus Trochonanina (Crenatinanina) J. Germain, 1920 (UROCYCLIDAE)
- crenatissima, Actinopteria crenatissima Whidborne † - (PTERINEIDAE) (FOSSIL)
- crenatoides, Opalia crenatoides P.P. Carpenter, 1864 - (EPITONIIDAE)
- Crenatolorica, Genus Crenatolorica Laghi, 1981 (NEOLORICATA (UNASSIGNED)) (FOSSIL)
- Crenatosipho, Genus Crenatosipho K. Linse, 2002 (BUCCINIDAE)
- crenatospira, Crenaturricula crenatospira (Cooper, 1894 †) - (CLAVATULIDAE) (FOSSIL)
- crenatostriata, Bembexia crenatostriata (C.L.F. von Sandberger & C.L.F. von Sandberger, 1855 †) - (EOTOMARIIDAE) (FOSSIL)
- crenatula, Nassa crenatula J.G. Bruguière, 1789 - syn of: Nassarius crenulatus (J.G. Bruguière, 1792) - (NASSARIIDAE)
- Crenatula, Genus Crenatula J.B.P.A. Lamarck, 1803 (PTERIIDAE)
- crenatula, Venus crenatula Sowerby, 1852 - (VENERIDAE)
- crenatulatum, Granulolabium crenatulatum (G.P. Deshayes, 1833 †) - (BATILLARIIDAE) (FOSSIL)
- crenatulifera, Philobrya crenatulifera (R. Tate, 1892) - (PHILOBRYIDAE)
- crenatulifera, Philobrya crenatulifera R. Tate, 1892 - syn of: Philobrya crenatulifera (R. Tate, 1892) - (PHILOBRYIDAE)
- Crenatuligenus, syn of: Genus Crenatula J.B.P.A. Lamarck, 1803 (PTERIIDAE)
- crenatum, Buccinum crenatum A.N. Golikov & V.V. Gulbin, 1977 - (BUCCINIDAE)
- crenatum, Cerithium crenatum G.B. Brocchi, 1814 † - (CERITHIIDAE) (FOSSIL)
- crenatum, Lytoceras crenatum Buckman, 1926 † - (LYTOCERATIDAE) (FOSSIL)
- crenatum, Metalegoceras crenatum Nassichuk & al., 1965 † - (METALEGOCERATIDAE) (FOSSIL)
- crenatum, Talattoceras crenatum Miagkova † - syn of: Talattoceras inflatum Miagkova † - (ONCOCERIDA (unassigned)) (FOSSIL)
- crenatum, Creniceras crenatum J.G. Bruguière, 1792 † - (OPPELIIDAE) (FOSSIL)
- crenatum, Opeas nothapalinus crenatum B. Verdcourt - (SUBULINIDAE)
- crenatum procrenatum, Cerithium crenatum procrenatum F. Sacco, 1895 † - (CERITHIIDAE) (FOSSIL)
- Crenaturricula, Subgenus Turricula (Crenaturricula) E.H. Vokes, 1939 (CLAVATULIDAE) (FOSSIL)
- crenatus, Ammonites crenatus J.G. Bruguière, 1792 † - (AMMONITIDA (UNASSIGNED)) (FOSSIL)
- crenatus, Fusulculus crenatus P. Bouchet & G.J. Vermeij, 1998 - (BENTHOBIIDAE)
- crenatus, Chamalycaeus crenatus (H.H. Godwin-Austen, 1871) - (CYCLOPHORIDAE)
- crenatus, Opalia crenatus C. Linnaeus, 1758 - syn of: Opalia crenata (C. Linnaeus, 1758) - (EPITONIIDAE)
- crenatus, Mytilus crenatus J.B.P.A. Lamarck, 1819 - syn of: Aulacomya atra (J.I. Molina, 1782) - (MYTILIDAE)
- crenatus, Liguus fasciatus crenatus (W.J. Swainson, 1821) - (ORTHALICIDAE)
- crenatus, Pyrgiscus crenatus (T. Brown, 1827) - (PYRAMIDELLIDAE)
- crenatus, Tricornis crenatus G.B. I Sowerby, 1825 - syn of: Lobatus galeatus (W.J. Swainson, 1823) - (STROMBIDAE)
- crenatus, Turbo crenatus Münster, 1841 † - syn of: Promathildia crenata (Münster, 1841 †) - (TURBINIDAE) (FOSSIL)
- crenatus, Microceramus crenatus (J. Gundlach in L. Pfeiffer, 1864) - (UROCOPTIDAE)
- crenatus, Irus crenatus (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- crenatus, Venerupis crenatus J.B.P.A. Lamarck, 1818 - syn of: Irus crenatus (J.B.P.A. Lamarck, 1818) - (VENERIDAE)
- crenatus caroli, Liguus crenatus caroli P. Bartsch, 1937 - syn of: Liguus fasciatus caroli P. Bartsch, 1937 - (ORTHALICIDAE)
- Crenavolva, Genus Crenavolva J. Cate, 1973 (OVULIDAE)
- crencellatum, Gastrioceras crencellatum Bisat † - (GASTRIOCERATIDAE) (FOSSIL)
- Crendonites, Genus Crendonites Buckman, 1923 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- Crenea, syn of: Genus Trochoidea T. Brown, 1827 (HYGROMIIDAE)
- Creneatachea, Genus Creneatachea Zilch in Wenz & Zilch, 1960 (HELICIDAE) (FOSSIL)
- crenelatum, Patruliusiceras crenelatum Avram, 1978 † - (BARREMITIDAE) (FOSSIL)
- crenella, Torinia crenella E.C. Von Martens, 1880 - syn of: Heliacus infundibuliformis (J.F. Gmelin, 1791) - (ARCHITECTONICIDAE)
- crenella, Parvilucina crenella (W.H. Dall, 1901) - (LUCINIDAE)
- Crenella, Genus Crenella T. Brown, 1827 (MYTILIDAE)
- crenella, Brachidontes crenella G.P. Deshayes, 1858 † - (MYTILIDAE) (FOSSIL)
- crenella, Adacnarca crenella (C. Vélain, 1877) - (PHILOBRYIDAE)
- crenella, Vallonia crenella G. Montagu, 1803 - syn of: Vallonia costata (O.F. Müller, 1774) - (VALLONIIDAE)
- crenellata, Ferrissia crenellata M. Harzhauser & al., 2012 † - (PLANORBIDAE) (FOSSIL)
- CRENELLIDAE - syn of Family: MYTILIDAE
- crenellifer, Microthyca crenellifer A. Adams, 1863 - (TORNIDAE)
- crenellifera, Nassa crenellifera A. Adams, 1852 † - syn of: Tritia siquijorensis (A. Adams, 1852 †) - (NASSARIIDAE) (FOSSIL)
- crenellifera, Microthyca crenellifera (C.B. Adams, 1862) - (TORNIDAE)
- crenelliferus, Nassarius crenelliferus A. Adams, 1853 - syn of: Nassarius margaritifer (R.W. Dunker, 1847) - (NASSARIIDAE)
- crenelliferus, Cantharidus crenelliferus (A. Adams, 1853) - (TROCHIDAE)
- Crenellodon, syn of: Genus Crenella T. Brown, 1827 (MYTILIDAE)
- crenelloides, Cardium crenelloides J.C. Melvill, 1909 - syn of: Afrocardium richardi (Audoin, 1826) - (CARDIIDAE)
- crenellus, Heliacus crenellus (C. Linnaeus, 1758) - (ARCHITECTONICIDAE)
- crenellus, Paeniscutalus crenellus (R.A. Philippi, 1867) - (MEGASPIRIDAE)
- Crenetocerithium, Genus Crenetocerithium Grundel, 1981 (CAENOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Creniceras, Genus Creniceras Bruguiere, 1792 (OPPELIIDAE) (FOSSIL)
- Creniclavis, syn of: Genus Armenica O. Bφttger, 1877 (CLAUSILIIDAE)
- crenifalcatus, Goniatites crenifalcatus Bogoslovskaya, 1966 † - (GONIATITIDAE) (FOSSIL)
- crenifer, Vitularia crenifer (R.P. Montrouzier, 1861) - (MURICIDAE)
- crenifer, Murex crenifer R.P. Montrouzier, 1861 - syn of: Vitularia crenifer (R.P. Montrouzier, 1861) - (MURICIDAE)
- crenifera, Batillaria pleurotomoides crenifera (G.P. Deshayes, 1833 †) - (BATILLARIIDAE) (FOSSIL)
- crenifera, Scalptia crenifera (G.B. I Sowerby, 1832) - (CANCELLARIIDAE)
- crenifera, Lucapinella crenifera (G.B. I Sowerby, 1835) - (FISSURELLIDAE)
- crenifera, Mitra crenifera J.B.P.A. Lamarck, 1811 - syn of: Neocancilla clathrus crenifera (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- crenifera, Neocancilla clathrus crenifera (J.B.P.A. Lamarck, 1811) - (MITRIDAE)
- crenifera, Adrana crenifera (G.B. I Sowerby, 1833) - (NUCULANIDAE)
- crenifera, Nucula crenifera G.B. I Sowerby, 1833 - syn of: Adrana crenifera (G.B. I Sowerby, 1833) - (NUCULIDAE)
- crenifera, Terebra crenifera G.P. Deshayes, 1859 - (TEREBRIDAE)
- crenifera, Chionopsis crenifera (G.B. I Sowerby, 1835) - (VENERIDAE)
- crenifera, Venus crenifera G.B. I Sowerby, 1835 - syn of: Chionopsis crenifera (G.B. I Sowerby, 1835) - (VENERIDAE)
- creniferus, Trochus creniferus A.E. Verrill & S. Smith, 1880 - (TROCHIDAE)
- creniferus, Turbo creniferus J.F. Gmelin, 1791 - syn of: Lunella coronatus (J.F. Gmelin, 1791) - (TURBINIDAE)
- Crenilabium, Genus Crenilabium A.E.M. Cossmann, 1889 (ACTEONIDAE)
- crenilabra, Marginella crenilabra J.B.G.M. Bory De Saint-Vincent, 1824 - syn of: Cryptospira strigata (L.W. Dillwyn, 1817) - (MARGINELLIDAE)
- crenilabra, Cryptospira crenilabra J.B.G.M. Bory De Saint-Vincent, 1824 - syn of: Cryptospira strigata (L.W. Dillwyn, 1817) - (MARGINELLIDAE)
- crenilabris, Idyla castalia crenilabris (O. Böttger, 1885) - (CLAUSILIIDAE)
- crenilabris, Alycaeus crenilabris (O.F. von Möllendorff, 1897) - (CYCLOPHORIDAE)
- crenilabris, Haminoea crenilabris (J.C. Melvill & R. Standen, 1901) - (HAMINOEIDAE)
- crenilabris, Cheletropis crenilabris A. Garrett, 1873 - (LIMACINIDAE)
- crenilabris, Strigatella crenilabris A. Adams, 1853 - syn of: Strigatella pellisserpentis L.A. Reeve, 1844 - (MITRIDAE)
- crenilabris, Rissoina crenilabris O. Böttger, 1893 - (RISSOINIDAE)
- Crenilabrum, syn of: Genus Crenilabium A.E.M. Cossmann, 1889 (ACTEONIDAE)
- crenilabrum, Pisania fasciculata crenilabrum A. Adams, 1855 - (BUCCINIDAE)
- crenilunula, Worthenia crenilunula E.K. Yoo, 1994 † - (LOPHOSPIRIDAE) (FOSSIL)
- Crenilunula, syn of: Genus Prosolarium Perner, 1903 (LUCIELLIDAE) (FOSSIL)
- crenimarginata, Opalia crenimarginata W.H. Dall, 1917 - syn of: Opalia funiculata (P.P. Carpenter, 1857) - (EPITONIIDAE)
- crenimarginatum, Epitonium crenimarginatum W.H. Dall, 1917 - syn of: Opalia funiculata (P.P. Carpenter, 1857) - (EPITONIIDAE)
- crenimarginis, Platyconcha crenimarginis (Knight, 1931 †) - (PALAEOSTYLIDAE) (FOSSIL)
- crenimarginis, Microptychia crenimarginis Knight, 1931 † - syn of: Platyconcha crenimarginis (Knight, 1931 †) - (PSEUDOZYGOPLEURIDAE) (FOSSIL)
- crenimarginis, Streptacis crenimarginis Knight, 1931 † - syn of: Platyconcha crenimarginis (Knight, 1931 †) - (STREPTACIDIDAE) (FOSSIL)
- crenimargo, Kalitinaia crenimargo (L. Pfeiffer, 1847) - (HYGROMIIDAE)
- Crenimargo, syn of: Genus Cymatioa S.S. Berry, 1964 (LASAEIDAE)
- crenimargo, Retowskiella crenimargo (O. von Retowski, 1889) - (OXYCHILIDAE)
- crenimargo, Chondrothyrium crenimargo (L. Pfeiffer, 1858) - (POMATIIDAE)
- crenimargo, Hyalinia crenimargo O. von Retowski, 1889 - syn of: Retowskiella crenimargo (O. von Retowski, 1889) - (ZONITIDAE)
- crenimargo fuentesi, Chondrothyrium crenimargo fuentesi L.O. Alcalde, 1943 - (POMATIIDAE)
- crenimargo obtusior, Helix crenimargo obtusior A. Mousson, 1876 - syn of: Kalitinaia crenimargo (L. Pfeiffer, 1847) - (HELICIDAE)
- crenimargo samsunensis, Kalitinaia crenimargo samsunensis (L. Pfeiffer, 1858) - (HYGROMIIDAE)
- Crenipecten, Genus Crenipecten Hall, 1883 (AVICULOPECTINIDAE) (FOSSIL)
- crenipicta, Mitromorpha crenipicta (P. Dautzenberg, 1889) - (MITROMORPHIDAE)
- crenipicta karpathoensis, Mitromorpha crenipicta karpathoensis F. Nordsieck, 1969 - syn of: Mitromorpha karpathoensis (F. Nordsieck, 1969) - (MITROMORPHIDAE)
- creniplicata, Mitra creniplicata A. Adams, 1853 - syn of: Vexillum woldemarii (L.C. Kiener, 1838) - (MITRIDAE)
- creniptera, Gleba creniptera A.D. Krohn in R.A. Philippi, 1844 - syn of: Gleba cordata P. Forsskål in C. Niebuhr, 1776 - (CYMBULIIDAE)
- crenistria, Crenistriella crenistria (J.W. Hall, 1876 †) - (BUCANELLIDAE) (FOSSIL)
- crenistria, Alipta crenistria (H.H. Suter, 1907) - (CERITHIOPSIDAE)
- crenistria, Goniatites crenistria B. Phillips, 1836 † - (GONIATITIDAE) (FOSSIL)
- crenistria, Tubomphalus crenistria J. Perner, 1903 † - (PLATYCERATIDAE) (FOSSIL)
- crenistria reticulatus, Goniatites crenistria reticulatus Bisat † - (GONIATITIDAE) (FOSSIL)
- crenistriatoide, Beyrichoceras crenistriatoide Kullmann, 1962 † - (MAXIGONIATITIDAE) (FOSSIL)
- crenistriatoides, Nuculoceras crenistriatoides Kullmann, 1962 † - (CRAVENOCERATIDAE) (FOSSIL)
- crenistriatum, Sudeticeras crenistriatum (Bisat, 1928 †) - (ANTHRACOCERATIDAE) (FOSSIL)
- crenistriatus, Aviculopecten crenistriatus F.B. Meek, 1871 † - (AVICULOPECTINIDAE) (FOSSIL)
- Crenistriella, Genus Crenistriella Knight, 1945 (BUCANELLIDAE) (FOSSIL)
- Crenisutura, Genus Crenisutura Cossmann, 1899 (NEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- Creniturbo, Genus Creniturbo Cossmann, 1919 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- crenocarinata, Melanopsis crenocarinata S. Moricand, 1841 - syn of: Verena crenocarinata S. Moricand, 1841 - (MELANOPSIDAE)
- crenocarinata, Verena crenocarinata S. Moricand, 1841 - (THIARIDAE)
- crenocarinata bilineata, Verena crenocarinata bilineata S. Moricand, 1841 - (THIARIDAE)
- crenocarinata crenocarinata melanostoma, Verena crenocarinata crenocarinata melanostoma S. Moricand, 1841 - (THIARIDAE)
- crenocarinata leucostoma, Verena crenocarinata leucostoma S. Moricand, 1841 - (THIARIDAE)
- crenocarinata melanostoma, Verena crenocarinata crenocarinata melanostoma S. Moricand, 1841 - (THIARIDAE)
- crenocarinum, Aylacostoma crenocarinum (S. Moricand, 1841) - (THIARIDAE)
- Crenocirce, syn of: Subgenus Gouldia (Dorisca) W.H. Dall, P. Bartsch & H.A. Rehder, 1938 (VENERIDAE)
- crenocostata, Limea crenocostata R.N. Kilburn, 1990 - (LIMIDAE)
- crenocostatus, Lytoceras crenocostatus (J.J.F. Whiteaves, 1876 †) - (LYTOCERATIDAE) (FOSSIL)
- Crenocrassatella, Genus Crenocrassatella T. Habe, 1951 (CRASSATELLIDAE)
- Crenodonta, syn of: Genus Amblema C.S. Rafinesque, 1820 (UNIONIDAE)
- crenolirata, Nassa crenolirata A. Adams, 1852 † - syn of: Tritia siquijorensis (A. Adams, 1852 †) - (NASSARIIDAE) (FOSSIL)
- crenoliratus, Nassarius crenoliratus (A. Adams, 1852) - (NASSARIIDAE)
- Crenomytilus, Genus Crenomytilus T. Soot-Ryen, 1955 (MYTILIDAE)
- crenophila, Monacha crenophila L. Pfeiffer, 1857 - (HYGROMIIDAE)
- crenophilus, Gyraulus crenophilus B. Hubendick & P. Radoman, 1959 - (PLANORBIDAE)
- crenospiratus, Conus crenospiratus Anderson, 1929 † - (CONIDAE) (FOSSIL)
- Crenostrea, Genus Crenostrea Marwick, 1931 (GRYPHAEIDAE) (FOSSIL)
- Crenotrapezium, Genus Crenotrapezium Hayami, 1958 (NEOMIODONTIDAE) (FOSSIL)
- Crenovolva, syn of: Genus Crenavolva J. Cate, 1973 (OVULIDAE)
- crenularis, Clavatula crenularis J.B.P.A. Lamarck, 1816 - syn of: Ptychobela nodulosa (J.F. Gmelin, 1791) - (CLAVATULIDAE)
- crenularis, Drillia crenularis J.B.P.A. Lamarck, 1816 - syn of: Ptychobela nodulosa (J.F. Gmelin, 1791) - (DRILLIIDAE)
- crenularis, Ptychobela crenularis J.B.P.A. Lamarck, 1816 - syn of: Ptychobela nodulosa (J.F. Gmelin, 1791) - (PSEUDOMELATOMIDAE)
- crenularis, Tectus crenularis (J.B.P.A. Lamarck, 1804 †) - (TEGULIDAE) (FOSSIL)
- crenularis, Eratotrivia crenularis Schilder, 1927 † - (TRIVIIDAE) (FOSSIL)
- crenularoides, Comitas crenularoides (G.B. Pritchard, 1896) - (PSEUDOMELATOMIDAE)
- crenulata, Architectonica crenulata Moore † - (ARCHITECTONICIDAE) (FOSSIL)
- crenulata, Cunearca crenulata G.P. Deshayes, 1857 - syn of: Anadara craticulata (P. Nyst, 1848) - (ARCIDAE)
- crenulata, Arca crenulata G.P. Deshayes, 1857 - syn of: Anadara craticulata (P. Nyst, 1848) - (ARCIDAE)
- crenulata, Arca crenulata A.E. Verrill, 1882 - syn of: Bathyarca pectunculoides (A. Scacchi, 1834) - (ARCIDAE)
- crenulata, Pollia crenulata (P.F. Röding, 1798) - (BUCCINIDAE)
- crenulata, Cancellaria crenulata A. Adams, 1855 - (CANCELLARIIDAE)
- crenulata, Unitas crenulata (G.P. Deshayes, 1835 †) - (CANCELLARIIDAE) (FOSSIL)
- crenulata, Chama crenulata J.B.P.A. Lamarck, 1819 - (CHAMIDAE)
- crenulata, Tonicia crenulata W.J. Broderip, 1832 - syn of: Tonicia forbesii P.P. Carpenter, 1857 - (CHITONIDAE)
- crenulata, Antimitra crenulata W.H. Pease, 1868 - syn of: Otitoma cyclophora (G.P. Deshayes, 1863) - (CLATHURELLIDAE)
- crenulata, Clausilia bidentata crenulata A. Risso, 1826 - (CLAUSILIIDAE)
- crenulata, Cyrtocerina crenulata Flower, 1952 † - (CYRTOCERINIDAE) (FOSSIL)
- crenulata, Austrodoris crenulata N.H. Odhner, 1926 - syn of: Doris kerguelenensis (L.S.R. Bergh, 1884) - (DORIDIDAE)
- crenulata, Cycloscala crenulata (W.H. Pease, 1867) - (EPITONIIDAE)
- crenulata, Epitonium crenulata W.H. Pease, 1867 - syn of: Cycloscala crenulata (W.H. Pease, 1867) - (EPITONIIDAE)
- crenulata, Opalia crenulata L.C. Kiener, 1839 - syn of: Opalia crenata (C. Linnaeus, 1758) - (EPITONIIDAE)
- crenulata, Straparollus crenulata P.D. Montfort 1810 † - (EUOMPHALIDAE) (FOSSIL)
- crenulata, Poleumita crenulata (J.J.F. Whiteaves, 1884 †) - (EUOMPHALIDAE) (FOSSIL)
- crenulata, Peristernia crenulata L.C. Kiener, 1840 - syn of: Peristernia chlorostoma (G.B. I Sowerby, 1825) - (FASCIOLARIIDAE)
- crenulata, Megathura crenulata (G.B. I Sowerby, 1825) - (FISSURELLIDAE)
- crenulata, Taosia crenulata Girty, 1939 † - (GONIASMATIDAE) (FOSSIL)
- crenulata, Trochochlamys crenulata (G.P.L.K. Gude, 1900) - (HELICARIONIDAE)
- crenulata, Deweveria crenulata Guex & al., 2010 † - (HEMILECANITIDAE) (FOSSIL)
- crenulata, Trochoidea crenulata J. Germain, 1930 - syn of: Trochoidea trochoides (J.L.M. Poiret, 1789) - (HYGROMIIDAE)
- crenulata, Erycina crenulata A. Scacchi, 1836 - syn of: Bornia sebetia (A. da Costa, 1830) - (LASAEIDAE)
- crenulata, Worthenia crenulata Batten, 1989 † - (LOPHOSPIRIDAE) (FOSSIL)
- crenulata, Lucina crenulata Wood, 1840 † - (LUCINIDAE) (FOSSIL)
- crenulata, Parvilucina crenulata (T.A. Conrad, 1840 †) - (LUCINIDAE) (FOSSIL)
- crenulata, Palliseria crenulata (Billings, 1865 †) - (MACLURITIDAE) (FOSSIL)
- crenulata, Mangelia crenulata J.V. Carus, 1893 - syn of: Mangelia stosiciana (Š. Brusina, 1869) - (MANGELIIDAE)
- crenulata, Dentimargo crenulata (G.P. Deshayes, 1865 †) - (MARGINELLIDAE) (FOSSIL)
- crenulata, Melanopsis maresi crenulata P.M. Pallary, 1901 † - (MELANOPSIDAE) (FOSSIL)
- crenulata, Pterygia crenulata (J.F. Gmelin, 1791) - (MITRIDAE)
- crenulata, Pterygia crenulata L.C. Kiener, 1838 - syn of: Pterygia sinensis (L.A. Reeve, 1844) - (MITRIDAE)
- crenulata, Pterygia crenulata L.A. Reeve, 1844 - syn of: Pterygia undulosa (L.A. Reeve, 1844) - (MITRIDAE)
- crenulata, Lithophaga crenulata R.W. Dunker, 1849 - syn of: Lithophaga nigra d'Orbigny, 1845 - (MYTILIDAE)
- crenulata, Nassa crenulata J.B.P.A. Lamarck, 1816 - syn of: Nassarius scalaris (A. Adams, 1852) - (NASSARIIDAE)
- crenulata, Neomenia crenulata L. Salvini-Plawén, 1978 - syn of: Neomenia crenagulata L. Salvini-Plawén, 1978 - (NEOMENIIDAE)
- crenulata, Nuculana crenulata A. Adams, 1856 - syn of: Nucula crenulata (A. Adams, 1856) - (NUCULANIDAE)
- crenulata, Nucula crenulata (A. Adams, 1856) - (NUCULIDAE)
- crenulata, Phenacolepas crenulata (W.J. Broderip, 1834) - (PHENACOLEPADIDAE)
- crenulata, Scutella crenulata W.J. Broderip, 1834 - syn of: Phenacolepas cytherae (R.P. Lesson, 1831) - (PHENACOLEPADIDAE)
- crenulata, Cyclonema crenulata F.B. Meek, 1871 † - syn of: Alaionema crenulatum (F.B. Meek, 1871 †) - (PLATYCERATIDAE) (FOSSIL)
- crenulata, Pleurotomaria crenulata Sedgwick & F. McCoy, 1855 † - syn of: Prosolarium crenulatum (Sedgwick & F. McCoy, 1855 †) - (PLEUROTOMARIIDAE) (FOSSIL)
- crenulata, Otitoma crenulata W.H. Pease, 1868 - syn of: Otitoma cyclophora (G.P. Deshayes, 1863) - (PSEUDOMELATOMIDAE)
- crenulata, Vulsella crenulata L.A. Reeve, 1858 - syn of: Vulsella rugosa J.B.P.A. Lamarck, 1819 - (PTERIIDAE)
- crenulata, Odostomia crenulata J. Brown, 1905 † - (PYRAMIDELLIDAE) (FOSSIL)
- crenulata, Pyramidella crenulata F.S. Holmes, 1860 - syn of: Longchaeus suturalis (H.C. Lea, 1843) - (PYRAMIDELLIDAE)
- crenulata, Daphnella crenulata W.H. Pease, 1868 - syn of: Otitoma cyclophora (G.P. Deshayes, 1863) - (RAPHITOMIDAE)
- crenulata, Macrocycloides crenulata T.C. Yen, 1939 - (RHYTIDIDAE)
- crenulata, Alvania crenulata A. Michaud, 1832 - syn of: Alvania cancellata (E.M. Da Costa, 1778) - (RISSOIDAE)
- crenulata, Microcarina crenulata (A.W.B. Powell, 1937) - (SEGUENZIOIDEA (UNASSIGNED))
- crenulata, Semele crenulata (L.A. Reeve, 1853) - (SEMELIDAE)
- crenulata, Parvedentulina crenulata K.C. Emberton, 2002 - (STREPTAXIDAE)
- crenulata, Pelicaria crenulata J.B.P.A. Lamarck, 1822 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- crenulata, Struthiolaria crenulata J.B.P.A. Lamarck, 1822 - syn of: Pelicaria vermis (T. Martyn, 1784) - (STRUTHIOLARIIDAE)
- crenulata, Oxymeris crenulata (C. Linnaeus, 1758) - (TEREBRIDAE)
- crenulata, Terebra crenulata C. Linnaeus, 1758 - syn of: Oxymeris crenulata (C. Linnaeus, 1758) - (TEREBRIDAE)
- crenulata, Stenomelania crenulata (G.P. Deshayes, 1838) - (THIARIDAE)
- crenulata, Trigonia crenulata J.B.P.A. Lamarck, 1819 † - (TRIGONIIDAE) (FOSSIL)
- crenulata, Euthymella crenulata (G.P. Deshayes, 1863) - (TRIPHORIDAE)
- crenulata, Turbinella crenulata J.B.P.A. Lamarck, 1829 - syn of: Pollia wagneri (H.E. Anton, 1838) - (TURBINELLIDAE)
- crenulata, Xystritheca crenulata Z.X. Qian & al., 2000 † - (TURCUTHECIDAE) (FOSSIL)
- crenulata, Gemmula crenulata (J.B.P.A. Lamarck, 1804 †) - (TURRIDAE) (FOSSIL)
- crenulata, Turritella crenulata P. Nyst, 1844 † - (TURRITELLIDAE) (FOSSIL)
- crenulata, Colpospira crenulata J. Donald, 1900 - syn of: Colpospira curialis C. Hedley, 1907 - (TURRITELLIDAE)
- crenulata, Goshoraia crenulata (Matsumoto 1938) † - (VENERIDAE) (FOSSIL)
- crenulata, Plesiastarte crenulata (G.P. Deshayes, 1857 †) - (VENERIDAE) (FOSSIL)
- crenulata, Venus crenulata A. Risso, 1826 - syn of: Astarte fusca (G.S. Poli, 1791) - (VENERIDAE)
- crenulata, Venus crenulata L.W. Dillwyn, 1817 - syn of: Puberella crenata (J.F. Gmelin, 1791) - (VENERIDAE)
- crenulata, Venus crenulata G.B. II Sowerby, 1853 - syn of: Puberella crenata (J.F. Gmelin, 1791) - (VENERIDAE)
- crenulata, Zerotula crenulata A.W.B. Powell, 1937 - syn of: Adeuomphalus crenulatus (A.W.B. Powell, 1937) - (ZEROTULIDAE)
- crenulata basistriata, Trochochlamys crenulata basistriata (H.A. Pilsbry & Y. Hirase, 1905) - (HELICARIONIDAE)
- crenulata booleyi, Terebra crenulata booleyi J.C. Melvill & E.R. Sykes, 1898 - syn of: Oxymeris crenulata (C. Linnaeus, 1758) - (TEREBRIDAE)
- crenulata fimbriata, Oxymeris crenulata fimbriata (G.P. Deshayes, 1857) - (TEREBRIDAE)
- crenulata hotawana, Trochochlamys crenulata hotawana (H.A. Pilsbry & Y. Hirase, 1905) - (HELICARIONIDAE)
- crenulata interlineata, Oxymeris crenulata interlineata (G.P. Deshayes, 1859) - (TEREBRIDAE)
- crenulata lilacina, Venus crenulata lilacina P.P. Carpenter, 1864 - syn of: Chionopsis lilacina (Carpenter, 1864) - (VENERIDAE)
- crenulata minor, Rissoa crenulata minor R.A. Philippi, 1844 - syn of: Alvania subcrenulata (M.E.J. Bucquoy, P. Dautzenberg & G.F. Dollfus, 1884) - (RISSOIDAE)
- crenulata obliterata, Nucula crenulata obliterata W.H. Dall, 1881 - syn of: Nucula crenulata (A. Adams, 1856) - (NUCULIDAE)
- crenulatoides, Turbo crenulatoides C.J. Maury, 1917 - syn of: Turbo castanea J.F. Gmelin, 1791 - (TURBINIDAE)
- crenulatum, Buccinum crenulatum C. Linnaeus, 1758 - syn of: Oxymeris crenulata (C. Linnaeus, 1758) - (BUCCINIDAE)
- crenulatum, Cerastoderma crenulatum J.B.P.A. Lamarck, 1819 - syn of: Cerastoderma edule (C. Linnaeus, 1758) - (CARDIIDAE)
- crenulatum, Cerithium crenulatum G.P. Deshayes † - (CERITHIIDAE) (FOSSIL)
- crenulatum, Prionocycloceras crenulatum (Anderson, 1902 †) - (COLLIGNONICERATIDAE) (FOSSIL)
- crenulatum, Epitonium crenulatum J.T. Kuroda, 1960 - syn of: Cycloscala crenulata (W.H. Pease, 1867) - (EPITONIIDAE)
- crenulatum, Alaionema crenulatum (F.B. Meek, 1871 †) - (EUOMPHALIDAE) (FOSSIL)
- crenulatum, Prosolarium crenulatum (Sedgwick & F. McCoy, 1855 †) - (LUCIELLIDAE) (FOSSIL)
- crenulatum, Cyclonema crenulatum F.B. Meek, 1871 † - syn of: Alaionema crenulatum (F.B. Meek, 1871 †) - (PLATYCERATIDAE) (FOSSIL)
- crenulatum, Chondropoma crenulatum (V.L.V. Potiez & A. Michaud, 1832) - (POMATIIDAE)
- crenulatum, Pomatias crenulatum G.B. Sowerby, 1843 - syn of: Parachondria adamsi (L. Pfeiffer) - (POMATIIDAE)
- crenulatum, Tonna crenulatum R.A. Philippi, 1845 - syn of: Tonna zonata (J. Green, 1830) - (TONNIDAE)
- crenulatum dragonella, Epitonium crenulatum dragonella J.T. Kuroda, 1960 - syn of: Cycloscala crenulata (W.H. Pease, 1867) - (EPITONIIDAE)
- crenulatum martinensis, Chondropoma crenulatum martinensis H.E. Coomans, 1967 - (POMATIIDAE)
- crenulatus, Lopesianus crenulatus W.K. Weyrauch, 1958 - (BULIMULIDAE)
- crenulatus, Chiton crenulatus (L.A. Reeve, 1848) - syn of: Lepidochitona caprearum corrugata (L.A. Reeve, 1848) - (CHITONIDAE)
- crenulatus, Conus crenulatus G.P. Deshayes, 1835 † - (CONIDAE) (FOSSIL)
- crenulatus, Conasprella crenulatus L.C. Kiener, 1845 - syn of: Conasprella armiger (J.C.H. Crosse, 1858) - (CONIDAE)
- crenulatus, Dicharax crenulatus (W.H. Benson, 1859) - (CYCLOPHORIDAE)
- crenulatus, Euphemites crenulatus E.L. Yochelson, 1960 † - (EUPHEMITIDAE) (FOSSIL)
- crenulatus, Fusus crenulatus G.B. II Sowerby, 1880 - syn of: Fusinus ocelliferus (J.B.P.A. Lamarck, 1816) - (FASCIOLARIIDAE)
- crenulatus, Bellifusus curvicostatus crenulatus N.F. Sohl, 1964 † - (FASCIOLARIIDAE) (FOSSIL)
- crenulatus, Xenoceltites crenulatus Guex & al., 2005 † - (KASHMIRITIDAE) (FOSSIL)
- crenulatus, Pterynotus crenulatus (P.F. Röding, 1798 †) - (MURICIDAE) (FOSSIL)
- crenulatus, Nassarius crenulatus (J.G. Bruguière, 1792) - (NASSARIIDAE)
- crenulatus, Theodoxus crenulatus (E. Klein, 1853 †) - (NERITIDAE) (FOSSIL)
- crenulatus, Barnea crenulatus L. Spengler, 1792 - syn of: Barnea parva (T. Pennant, 1777) - (PHOLADIDAE)
- crenulatus, Surenites crenulatus Ruzhentsev & Bogoslovskaya, 1975 † - (RETICULOCERATIDAE) (FOSSIL)
- crenulatus, Adeuomphalus crenulatus (A.W.B. Powell, 1937) - (SEGUENZIOIDEA (UNASSIGNED))
- crenulatus, Lamellaxis crenulatus (E.C. Von Martens, 1898) - (SUBULINIDAE)
- crenulatus, Jujubinus crenulatus G.B. Brocchi, 1814 - syn of: Jujubinus exasperatus (T. Pennant, 1777) - (TROCHIDAE)
- crenulatus, Turbo castanea crenulatus J.F. Gmelin, 1791 - (TURBINIDAE)
- crenulatus, Tomelasmus crenulatus (J. Gundlach, 1857) - (UROCOPTIDAE)
- crenulatus bessarabica, Theodoxus crenulatus bessarabica (Sinzow, 1899 †) - (NERITIDAE) (FOSSIL)
- crenulatus catalaunicus, Theodoxus crenulatus catalaunicus (J. Almera & Bofill y Poch, 1895 †) - (NERITIDAE) (FOSSIL)
- crenulatus semiplicatus, Calvertia crenulatus semiplicatus M. von Neumayr, 1875 † - syn of: Theodoxus semiplicatus (M. von Neumayr, 1875 †) - (NERITIDAE) (FOSSIL)
- crenulatus solatius, Tomelasmus crenulatus solatius C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- crenulatus tabensis, Theodoxus crenulatus tabensis Bartha, 1956 † - syn of: Theodoxus crenulatus (E. Klein, 1853 †) - (NERITIDAE) (FOSSIL)
- crenulatus tricarinatus, Pterynotus crenulatus tricarinatus (J.B.P.A. Lamarck, 1803 †) - (MURICIDAE) (FOSSIL)
- crenulatus tricuspidatus, Pterynotus crenulatus tricuspidatus G.P. Deshayes, 1835 † - (MURICIDAE) (FOSSIL)
- crenulatus varpalotensis, Theodoxus crenulatus varpalotensis Bartha, 1956 † - (NERITIDAE) (FOSSIL)
- crenulatus zebra, Tomelasmus crenulatus zebra C. de la Torre & P. Bartsch, 1972 - (UROCOPTIDAE)
- Crenulazona, Genus Crenulazona Linsley, 1968 (MURCHISONIIDAE) (FOSSIL)
- Crenulazone, Genus Crenulazone Cook & Pan, 2004 (ARCHAEOGASTROPODA (UNASSIGNED)) (FOSSIL)
- crenulicostata, Cardites crenulicostata S. Nomura, 1937 - (CARDITIDAE)
- crenulicostata, Reticunassa crenulicostata (T. Shuto, 1969 †) - (NASSARIIDAE) (FOSSIL)
- crenulifera, Bathyarca crenulifera (J. Marwick, 1931 †) - (ARCIDAE) (FOSSIL)
- crenulifera, Puyseguria crenulifera P.A. Maxwell, 1969 † - (NEOLEPTONIDAE) (FOSSIL)
- crenulifera, Ostrea crenulifera G.B. II Sowerby, 1871 - syn of: Dendostrea sandvichensis (G.B. II Sowerby in L.A. Reeve, 1871) - (OSTREIDAE)
- crenulifera, Turbonilla crenulifera R. Tate, 1892 - syn of: Puposyrnola tasmanica (J.E. Tenison-Woods, 1877) - (PYRAMIDELLIDAE)
- crenulifera, Trigonia crenulifera Lycett † - (TRIGONIIDAE) (FOSSIL)
- crenulifera, Isanda crenulifera A. Adams - (TROCHIDAE)
- crenulifera, Athleta crenulifera J.F. Bayan, 1870 † - (VOLUTIDAE) (FOSSIL)
- Crenulilimopsis, syn of: Genus Limopsis A. Sasso, 1827 (LIMOPSIDAE)
- crenulimarginata, Ostrea crenulimarginata W.M. Gabb, 1860 † - (OSTREIDAE) (FOSSIL)
- crenulistriata, Kitikamispira crenulistriata (A.H. Clarke & Swartz, 1913 †) - (EUOMPHALOIDEA (UNASSIGNED)) (FOSSIL)
- Crenuloceras, Genus Crenuloceras Flower, 1968 (TROCHOLITIDAE) (FOSSIL)
- crenulomarginata, Pliocardia crenulomarginata (T.A. Okutani, S. Kojima & N. Iwasaki, 2002) - (VESICOMYIDAE)
- crenulosa, Parachondria crenulosa (C.B. Adams, 1849) - (POMATIIDAE)
- creola, Gongylostomella creola (C.G. Aguayo, 1934) - (UROCOPTIDAE)
- creon, Theskelomensor creon G.A. Solem, 1958 - (ENDODONTIDAE)
- Creonella, Genus Creonella Wade, 1917 (PYRAMIDELLIDAE) (FOSSIL)
- Creonella, syn of: Genus Pyramidella J.B.P.A. Lamarck, 1799 (PYRAMIDELLIDAE)
- creophila, Vaginula creophila H.R. Simroth, 1918 - syn of: Semperula maculata (J. Templeton, 1858) - (VERONICELLIDAE)
- creper, Polinella creper (J. Marwick, 1965 †) - (NATICIDAE) (FOSSIL)
- crepera, Anodonta crepera I. Lea, 1850 - syn of: Simpsonella gracilis (I. Lea, 1850) - (UNIONIDAE)
- crepida, Nucula crepida J. Marwick, 1931 † - (NUCULIDAE) (FOSSIL)
- crepidinata, Thiara crepidinata L.A. Reeve - (THIARIDAE)
- Crepidodoris, syn of: Genus Doriprismatica D'Orbigny, 1839 (CHROMODORIDIDAE)
- Crepidoris, syn of: Genus Glossodoris C.G. Ehrenberg, 1831 (CHROMODORIDIDAE)
- Crepidula, Genus Crepidula J.B.P.A. Lamarck, 1799 (CALYPTRAEIDAE)
- crepidula, Crepidula crepidula C. Linnaeus, 1767 - syn of: Crepidula unguiformis J.B.P.A. Lamarck, 1822 - (CALYPTRAEIDAE)
- crepidula, Zeidora crepidula L.R.L. Simone & C.M. Cunha, 2014 - (FISSURELLIDAE)
- crepidula, Nerita crepidula Stoppani, 1858 † - syn of: Platychilina cainalloi (Stoppani, 1857 †) - (NERITIDAE) (FOSSIL)
- crepidula, Patella crepidula C. Linnaeus, 1767 - syn of: Crepidula unguiformis J.B.P.A. Lamarck, 1822 - (PATELLIDAE)
- crepidularia, Neritina crepidularia J.B.P.A. Lamarck, 1822 - syn of: Neritina violacea crepidularia J.B.P.A. Lamarck, 1822 - (NERITIDAE)
- crepidularia, Neritina violacea crepidularia J.B.P.A. Lamarck, 1822 - (NERITIDAE)
- crepidularis, Calyptraea crepidularis J.B.P.A. Lamarck, 1802 † - (CALYPTRAEIDAE) (FOSSIL)
- CREPIDULIDAE - syn of Family: CALYPTRAEIDAE
- Crepiemarginula, syn of: Genus Zeidora A. Adams, 1860 (FISSURELLIDAE)
- Crepipatella, Genus Crepipatella R.P. Lesson, 1830 (CALYPTRAEIDAE)
- Crepispisula, Subgenus Scissodesma (Crepispisula) F.E. Eames, 1957 (MACTRIDAE)
- Crepitacella, Genus Crepitacella Guppy, 1867 (RISSOIDAE) (FOSSIL)
- Crepitacella, syn of: Genus Microstelma A. Adams, 1863 (ZEBINIDAE)
- creplini, Cyclas creplini R.W. Dunker, 1845 - syn of: Musculium lacustre (O.F. Müller, 1774) - (SPHAERIIDAE)
- creplini, Venus creplini R.W. Dunker, 1852 - syn of: Meretrix casta (J.F. Gmelin, 1791) - (VENERIDAE)
- crepundia, Naesiotus crepundia (A.V.M.D. D'Orbigny, 1835) - (BULIMULIDAE)
- crepundia, Helix crepundia L.A. Reeve, 1848 - syn of: Naesiotus crepundia (A.V.M.D. D'Orbigny, 1835) - (HELICIDAE)
- crepusculum, Mitrella crepusculum L.A. Reeve, 1859 - syn of: Mitrella essingtonensis (L.A. Reeve, 1859) - (COLUMBELLIDAE)
- crepusculum, Conus crepusculum L.A. Reeve, 1844 - syn of: Calibanus furvus (L.A. Reeve, 1843) - (CONIDAE)
- crequii, Biomphalaria crequii (G. Courty, 1907) - (PLANORBIDAE)
- crescens, Scapharca crescens E.M. Spieker, 1922 - syn of: Anadara chiriquiensis bolivari N.E. Weisbord, 1922 - (ARCIDAE)
- crescens, Theodoxus crescens (A. Fuchs, 1870 †) - (NERITIDAE) (FOSSIL)
- crescens, Gyraulus crescens (F.M. Hilgendorf, 1867 ) - (PLANORBIDAE)
- crescentensis, Lapsigyrus crescentensis R.L. Squires & Goedert, 1994 † - (ZEBINIDAE) (FOSSIL)
- crescentia, Strophiops crescentia C.J. Maynard & W.F. Clapp, 1921 - (CERIONIDAE)
- crescentica, Asteronotus crescentica C. Collingwood, 1881 - syn of: Asteronotus cespitosus (J.C. van Hasselt, 1824) - (DISCODORIDIDAE)
- crescera, Alaginella crescera C.F. Laseron, 1948 - syn of: Alaginella ochracea (G.F. Angas, 1871) - (MARGINELLIDAE)
- crescere, Alaginella crescere C.F. Laseron, 1948 - syn of: Alaginella ochracea (G.F. Angas, 1871) - (MARGINELLIDAE)
- CRESEIDAE Rampal, 1973 - Family (GASTROPODA-HETEROBRANCHIA [Subclass]-OPISTHOBRANCHIA [Infraclass]-THECOSOMATA [Order]-CAVOLINIOIDEA [Superfamily])
- Creseis, Genus Creseis P.C.A.S.L. Rang, 1828 (CRESEIDAE)
- Cresia, syn of: Genus Creseis P.C.A.S.L. Rang, 1828 (CRESEIDAE)
- Cresis, syn of: Genus Creseis P.C.A.S.L. Rang, 1828 (CRESEIDAE)
- cresnei, Cordieria cresnei J.B.C.P. de Raincourt, 1884 † - syn of: Cordieria cresnensis J.B.C.P. de Raincourt, 1884 † - (BORSONIIDAE) (FOSSIL)
- cresnensis, Cordieria cresnensis J.B.C.P. de Raincourt, 1884 † - (BORSONIIDAE) (FOSSIL)
- cresnensis, Conus cresnensis L.J. Morlet, 1885 † - (CONIDAE) (FOSSIL)
- cresnensis, Omalaxis ammonoides cresnensis L.J. Morlet, 1885 † - (TURRITELLIDAE) (FOSSIL)
- crespignyi, Naninia crespignyi (C.B. Adams) - (ARIOPHANTIDAE)
- crespignyi, Macroceras crespignyi (H.C. Higgins, 1868) - (EUCONULIDAE)
- crespinae, Onestia crespinae Day 1978 † - (CARDIIDAE) (FOSSIL)
- crespinae, Schizodus crespinae Dickins, 1957 † - (SCHIZODIDAE) (FOSSIL)
- Cressa, syn of: Genus Metafruticicola H.F.A. von Ihering, 1892 (HYGROMIIDAE)
- cressida, Thermia cressida (F.W. Hutton, 1883) - (CHAROPIDAE)
- cressida, Therasia cressida F.W. Hutton, 1883 - syn of: Thermia cressida (F.W. Hutton, 1883) - (CHAROPIDAE)
- cressida, Trochomorpha cressida (A.A. Gould, 1843) - (TROCHOMORPHIDAE)
- cressmani, Pojetaconcha cressmani (Pojeta & Runnegar, 1976 †) - (BRANSONIIDAE) (FOSSIL)
- cressmani, Spicuchelodes cressmani (Pojeta & Runnegar, 1976 †) - (MATTHEVIIDAE) (FOSSIL)
- cresswelli, Bellerophon cresswelli R. Etheridge jr., 1891 † - (BELLEROPHONTIDAE) (FOSSIL)
- cresswelli, Alsolemia cresswelli (F.M. Climo, 1978) - (CHAROPIDAE)
- cresswelli, Conocardium cresswelli Talent & Philip, 1956 † - (CONOCARDIIDAE) (FOSSIL)
- cresswelli, Nereina cresswelli T.C. Eichhorst, 2016 - (NERITIDAE)
- cresswelli, Dadagulella cresswelli B. Rowson & P. Tattersfield, 2013 - (STREPTAXIDAE)
- cresswelli, Rakiurapyrgus cresswelli (F.M. Climo, 1974) - (TATEIDAE)
- cressyi, Gonaxis cressyi M. Connolly, 1922 - (STREPTAXIDAE)
- cressyi, Pseudoglessula cressyi M. Connolly, 1925 - (SUBULINIDAE)
- Crestaites, Genus Crestaites Rulleau & Elmi, 2001 (HAMMATOCERATIDAE) (FOSSIL)
- crestatus, Protoconus crestatus Yü, 1979 † - (CARINOPELTIDAE) (FOSSIL)
- crestaverde, Mimimitoceras crestaverde W. Korn, 1992 † - (PRIONOCERATIDAE) (FOSSIL)
- CRESTJAHITIDAE Sysoev, 1968 - Family (HYOLITHA-HYOLITHIDA [Order]) (FOSSIL)
- Crestjahitus, Genus Crestjahitus Syssoiev , 1968 (CRESTJAHITIDAE) (FOSSIL)
- Crestoconus, Genus Crestoconus Jiang Zhiwen, 1980 (MOLLUSCA INCERTAE SEDIS) (FOSSIL)
- creswelli, Bellerophon creswelli R. Etheridge jr., 1891 † - (BELLEROPHONTIDAE) (FOSSIL)
- creta, Megalacron novaegeorgensis creta B. Rensch, 1934 - (CAMAENIDAE)
- creta, Helodiamea creta Peñas & Rolán, 2017 - (PYRAMIDELLIDAE)
- cretacea, Tornatellaea cretacea B. Wade, 1926 † - (ACTEONIDAE) (FOSSIL)
- cretacea, Ancilla cretacea J. Müller, 1851 † - (ANCILLARIIDAE) (FOSSIL)
- cretacea, Pietteia cretacea T. Kase & K. Maeda, 1980 † - (APORRHAIDAE) (FOSSIL)
- cretacea, Anadara cretacea T.A. Conrad, 1869 † - (ARCIDAE) (FOSSIL)
- cretacea, Trishoplita eumenes cretacea G.P.L.K. Gude, 1900 - (BRADYBAENIDAE)
- cretacea, Bullopsis cretacea T.A. Conrad, 1858 † - (BULLIDAE) (FOSSIL)
- cretacea, Cidarina cretacea R.L. Squires & Saul, 2003 - (CALLIOTROPIDAE)
- cretacea, Nipponaphera cretacea E.A. Smith, 1899 - syn of: Nipponaphera quasilla (R.E. Petit, 1987) - (CANCELLARIIDAE)
- cretacea, Aeora cretacea Conrad 1870 † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- cretacea, Clio cretacea Blanckenhorn, 1889 - syn of: Hyalocylis striata (P.C.A.S.L. Rang, 1828) - (CLIIDAE)
- cretacea, Naticopsis cretacea (J.W. Hall & R.P. Whitfield, 1873 †) - (DELPHINULOPSIDAE) (FOSSIL)
- cretacea, Laemodonta cretacea S. Kiel & K. Bandel, 2001 † - (ELLOBIIDAE) (FOSSIL)
- cretacea, Strophostomella cretacea (L. von G. Tausch, 1886 †) - (FERUSSINIDAE) (FOSSIL)
- cretacea, Helix cretacea L. von G. Tausch, 1886 † - syn of: Schwardtina cretacea (L. von G. Tausch, 1886 †) - (HELICIDAE) (FOSSIL)
- cretacea, Eremina vermiculosa cretacea (P.M.A. Morelet, 1874) - (HELICIDAE)
- cretacea, Gryphaeolamellotis cretacea Horvath, 1966 † - (LAMELLOTIDAE) (FOSSIL)
- cretacea, Zenatia cretacea (Woods, 1917 †) - (MACTRIDAE) (FOSSIL)
- cretacea, Spisula cretacea G.F. Angas, 1868 - syn of: Spisula trigonella (J.B.P.A. Lamarck, 1818) - (MACTRIDAE)
- cretacea, Lomirosa cretacea B. Wade † - (MELONGENIDAE) (FOSSIL)
- cretacea, Mesocochliopa cretacea T.C. Yen, 1954 † - (MESOCOCHLIOPIDAE) (FOSSIL)
- cretacea, Strigatella cretacea G.B. Sowerby, 1874 - syn of: Strigatella pellisserpentis L.A. Reeve, 1844 - (MITRIDAE)
- cretacea, Mysella cretacea C.F. Laseron, 1956 - (MONTACUTIDAE)
- cretacea, Keepingia cretacea (W.M. Gabb, 1864 †) - (NASSARIIDAE) (FOSSIL)
- cretacea, Colwellia cretacea W.M. Gabb, 1864 † - syn of: Keepingia cretacea (W.M. Gabb, 1864 †) - (NASSARIIDAE) (FOSSIL)
- cretacea, Schwardtina cretacea (L. von G. Tausch, 1886 †) - (NERITIDAE) (FOSSIL)
- cretacea, Flemingostrea cretacea (Morton, 1834 †) - (OSTREIDAE) (FOSSIL)
- cretacea, Arctotis cretacea (Felix, 1890 †) - (OXYTOMIDAE) (FOSSIL)
- cretacea, Pinna cretacea (Schlotheim, 1813 †) - (PINNIDAE) (FOSSIL)
- cretacea, Ancylina cretacea (L. von G. Tausch, 1886 †) - (PLANORBIDAE) (FOSSIL)
- cretacea, Cretaspira cretacea J.T. Kuroda & K. Oyama, 1971 - (PSEUDOMELATOMIDAE)
- cretacea, Odostomia cretacea Holzapfel, 1888 † - (PYRAMIDELLIDAE) (FOSSIL)
- cretacea, Rissoina cretacea J.E. Tenison-Woods, 1878 - (RISSOINIDAE)
- cretacea, Triphora cretacea (J.P.J. Ravn, 1933 †) - (TRIPHORIDAE) (FOSSIL)
- cretacea, Gemmula cretacea N.F. Sohl, 1964 † - (TURRIDAE) (FOSSIL)
- cretacea, Diplodonta cretacea W.M. Gabb, 1864 † - (UNGULINIDAE) (FOSSIL)
- cretacea, Cylindrella cretacea L. Pfeiffer, 1860 - (UROCOPTIDAE)
- cretacea, Aphrodina cretacea (T.A. Conrad, 1870 †) - (VENERIDAE) (FOSSIL)
- cretacea, Dosinia cretacea (L.A. Reeve, 1850) - (VENERIDAE)
- cretacea, Vesicomya cretacea E.A. Smith, 1904 - syn of: Pliocardia indica (E.A. Smith, 1904) - (VESICOMYIDAE)
- Cretaceomurex, Genus Cretaceomurex Mongin, 1985 (SPINILOMATIDAE) (FOSSIL)
- cretaceous, Chiton cretaceous S.S. Berry, 1939 † - (CHITONIDAE) (FOSSIL)
- cretaceum, Protobusycon cretaceum B. Wade, 1917 † - (ECHINOFULGURIDAE) (FOSSIL)
- cretaceum, Semiterebellum cretaceum (Reis, 1897 †) - (ROSTELLARIIDAE) (FOSSIL)
- cretaceum, Liopeplum cretaceum (T.A. Conrad, 1858 †) - (VOLUTIDAE) (FOSSIL)
- cretaceus, Colus cretaceus L.A. Reeve, 1847 - syn of: Plicifusus kroeyeri (H.P.C. Møller, 1842) - (BUCCINIDAE)
- cretaceus, Scutalus cretaceus L. Pfeiffer, 1855 - (BULIMULIDAE)
- cretaceus, Thylacus cretaceus T.A. Conrad, 1860 † - (CALYPTRAEIDAE) (FOSSIL)
- cretaceus, Ospriasolen cretaceus (Gabb 1860) † - (CARDIIDA (UNASSIGNED)) (FOSSIL)
- cretaceus, Vaceuchelus cretaceus D.G. Herbert, 2012 - (CHILODONTIDAE)
- cretaceus, Conus cretaceus L.C. Kiener, 1845 - syn of: Conasprella mindana (C.H. Hwass in J.G. Bruguière, 1792) - (CONIDAE)
- cretaceus, Fusus cretaceus L.A. Reeve, 1847 - syn of: Zeatrophon ambiguus (R.A. Philippi, 1844) - (FASCIOLARIIDAE)
- cretaceus, Pileolus cretaceus A.V.M.D. D'Orbigny, 1850 † - (PILEOLIDAE) (FOSSIL)
- cretaceus, Ancylus cretaceus L. von G. Tausch, 1886 † - syn of: Ancylina cretacea (L. von G. Tausch, 1886 †) - (PLANORBIDAE) (FOSSIL)
- Cretadmete, Genus Cretadmete Blagovetshenskiy & Shumilkin, 2006 (CANCELLARIIDAE) (FOSSIL)
- Cretagryphaea, Genus Cretagryphaea Arkell, 1934 (GRYPHAEIDAE) (FOSSIL)
- Cretaspira, Genus Cretaspira J.T. Kuroda & K. Oyama, 1971 (PSEUDOMELATOMIDAE)
- cretatus, Calliclava cretatus E.A. Smith, 1888 - syn of: Calliclava albolaqueata (P.P. Carpenter, 1865) - (DRILLIIDAE)
- cretatus, Pecten cretatus L.A. Reeve, 1853 - syn of: Aequipecten opercularis (C. Linnaeus, 1758) - (PECTINIDAE)
- cretaustrina, Varicorbula cretaustrina Stilwell & Henderson 2002 † - (CORBULIDAE) (FOSSIL)
- Cretaxinus, Genus Cretaxinus Hryniewicz & al., 2014 (THYASIRIDAE) (FOSSIL)
- cretea, Gadila cretea V. Scarabino & F. Scarabino, 2011 - (GADILIDAE)
- cretea, Funa cretea B.Q. Li, R.N. Kilburn & X.Z. Li, 2010 - (PSEUDOMELATOMIDAE)
- cretellai, Fusinus cretellai G. Buzzurro & P. Russo, 2008 - (FASCIOLARIIDAE)
- cretense, Cochlostoma cretense (H. von Maltzan, 1887) - (COCHLOSTOMATIDAE)
- cretensis, Bithynia cretensis P. Glöer & W.J.M. Maassen, 2009 - (BITHYNIIDAE)
- cretensis, Bythinella cretensis H. Schütt, 1980 - (BYTHINELLIDAE)
- cretensis, Cretica cretensis (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- cretensis, Mastus cretensis (L. Pfeiffer, 1846) - (ENIDAE)
- cretensis, Theodoxus abnormis cretensis Willmann, 1980 † - (NERITIDAE) (FOSSIL)
- cretensis, Planorbis cretensis P. Glöer & H.J. Hirschfelder, 2015 - (PLANORBIDAE)
- cretensis byzantina, Cretica cretensis byzantina (J.G.F. de Charpentier, 1852) - (CLAUSILIIDAE)
- cretensis mitylena, Cretica cretensis mitylena (J.A. Albers, 1857) - (CLAUSILIIDAE)
- cretensis omalica, Albinaria cretensis omalica C.A. Westerlund, 1884 - syn of: Cretica tenuicostata omalica (C.A. Westerlund, 1884) - (CLAUSILIIDAE)
- cretensis porphyrostoma, Albinaria cretensis porphyrostoma A.J. Wagner, 1924 - syn of: Cretica cretensis (E.A. Rossmässler, 1836) - (CLAUSILIIDAE)
- cretensis sphakiota, Albinaria cretensis sphakiota H. von Maltzan, 1887 - syn of: Albinaria sphakiota (H. von Maltzan, 1887) - (CLAUSILIIDAE)
- cretensis strictecostata, Albinaria cretensis strictecostata O. Böttger, 1878 - syn of: Cretica virginea strictecostata (O. Böttger, 1878) - (CLAUSILIIDAE)
- cretensis strigata, Albinaria cretensis strigata O. Böttger, 1878 - syn of: Cretica virginea strigata (O. Böttger, 1878) - (CLAUSILIIDAE)
- cretensis tenuicostata, Albinaria cretensis tenuicostata L. Pfeiffer, 1864 - syn of: Cretica tenuicostata (L. Pfeiffer, 1864) - (CLAUSILIIDAE)
- cretensis turgida, Albinaria cretensis turgida A.J. Wagner, 1924 - syn of: Albinaria corrugata turgida (A.J. Wagner, 1924) - (CLAUSILIIDAE)
- cretensis vexans, Albinaria cretensis vexans O. Böttger, 1883 - syn of: Cretica troglodytes vexans (O. Böttger, 1883) - (CLAUSILIIDAE)
- cretensis virginea, Albinaria cretensis virginea L. Pfeiffer, 1846 - syn of: Cretica virginea (L. Pfeiffer, 1846) - (CLAUSILIIDAE)
- cretheus, Conus cretheus G.D. Nardo, 1847 - syn of: Lautoconus ventricosus (J.F. Gmelin, 1791) - (CONIDAE)
- cretica, Bulla cretica E. Forbes, 1844 - syn of: Diaphana cretica (E. Forbes, 1844) - (BULLIDAE)
- Cretica, Subgenus Albinaria (Cretica) O. Bφttger 1878 (CLAUSILIIDAE)
- cretica, Diaphana cretica (E. Forbes, 1844) - (DIAPHANIDAE)
- cretica, Monacha cretica B. Hausdorf, 2003 - (HYGROMIIDAE)
- cretica, Xerocrassa cretica (L. Pfeiffer, 1841) - (HYGROMIIDAE)
- cretica, Tandonia cretica (H.R. Simroth, 1885) - (MILACIDAE)
- cretica, Carpathica cretica L. Forcart, 1950 - (OXYCHILIDAE)
- cretica bengasiana, Xerocrassa cretica bengasiana R.A.M. Brandt, 1959 - (HYGROMIIDAE)
- cretica subabiari, Xerocrassa cretica subabiari R.A.M. Brandt, 1959 - (HYGROMIIDAE)
- creticola, Arianta arbustorum creticola O.A.L. Mörch, 1864 - (HELICIDAE)
- creticostata, Orculella creticostata E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- Cretigena, Genus Cretigena A.A. Schileyko, 1972 (HYGROMIIDAE)
- cretilasithi, Orculella cretilasithi E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- cretimaxima, Orculella cretimaxima E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- cretiminuta, Orculella cretiminuta E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- cretioreina, Orculella cretioreina E. Gittenberger & B. Hausdorf, 2004 - (ORCULIDAE)
- Cretocardia, Genus Cretocardia Conrad, 1877 (CARDIIDA (UNASSIGNED)) (FOSSIL)
- cretosus, Chlamys cretosus J.L.M. Defrance, 1822 † - (PECTINIDAE) (FOSSIL)
- Cretozonites, syn of: Subgenus Oxychilus (Helicophana) C.A. Westerlund, 1886 (OXYCHILIDAE)
- cretzestiensis, Viviparus cretzestiensis (Pavlov, 1925 †) - (VIVIPARIDAE) (FOSSIL)
- creuntum, Chlorostoma creuntum (R.A. Philippi, 1844) - (TEGULIDAE)
- creutzbergi, Berghia creutzbergi (Er. Marcus & Ev. Marcus, 1970) - (AEOLIDIIDAE)
- creutzbergi, Spurilla creutzbergi Er. Marcus & Ev. Marcus, 1970 - syn of: Berghia creutzbergi (Er. Marcus & Ev. Marcus, 1970) - (AEOLIDIIDAE)
- creutzbergi, Kutatissites creutzbergi Kakabadze & Hoedemaeker, 2004 † - (ANCYLOCERATIDAE) (FOSSIL)
- creutzbergi, Protanisoceras creutzbergi Kakabadze & Hoedemaeker, 1997 † - (ANISOCERATIDAE) (FOSSIL)
- creutzbergi, Assiminea creutzbergi D. De Jong & H.E. Coomans, 1988 - syn of: Barleeia creutzbergi (D. De Jong & H.E. Coomans, 1988) - (ASSIMINEIDAE)
- creutzbergi, Barleeia creutzbergi (D. De Jong & H.E. Coomans, 1988) - (BARLEEIIDAE)
- creveauxianus, Labyrinthus creveauxianus (C.M.F. Ancey, 1890) - (CAMAENIDAE)
- crevieri, Raphistoma crevieri Billings, 1859 † - (RAPHISTOMATIDAE) (FOSSIL)
- crevolai, Hamiticeras crevolai J.J. Vermeulen, Thieuloy & Lapeyre, 1999 † - (ANCYLOCERATIDAE) (FOSSIL)
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