Jania californiensis (FOSSIL) (E.G. Bryant& K.V.W. Palmer, 1923 †)
Acanthais callaoensis (J.E. Gray, 1828)
Boreotrophon calliceratus W.H. Dall, 1919
Thaisella callifera (J.B.P.A. Lamarck, 1822)
Scabrotrophon callosus (S. Nomura & K.M. Hatai,1940)
Eupleura calusa (FOSSIL) E.J. Petuch, 1994 †
Nassa calvertensis (FOSSIL) Martin, 1904 †
Jania calvimontensis (FOSSIL) (A.E.M. Cossmann, 1889 †)
Murex calvus (FOSSIL) R. Tate, 1888 †
Concholepas camerata (FOSSIL) DeVries, 2000 †
Hexaplex campanii (FOSSIL) C. De Stefani& D. Pantanelli, 1878 †
Typhina campbelli (G.E. Radwin & D'Attilio,1976)
Murex camplytropis (FOSSIL) R. Tate, 1888 †
Conchatalos canalibrevis R. Houart, 1995
Nucella canaliculata (P.L. Duclos, 1832)
Stramonita canaliculata Gray, 1839
Typhina canaliculata (FOSSIL) B.M. Landau & R. Houart,2014 †
Rugobela canaliculata (FOSSIL) (H.H. Suter, 1917 †)
Ponderia canalifera (G.B. II Sowerby, 1841)
Coralliophila cancellarioidea M. Oliverio, 2008
Acanthina cancellata (FOSSIL) (L.M.D. Bellardi, 1882 †)
Stephanosalpinx candelabra (FOSSIL) E.J. Petuch, 1988 †
Boreotrophon candelabrum (L.A. Reeve, 1848)
Coralliophila candidissima M. Oliverio, 2008
Hadriania cantharoides (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1923 †
Babelomurex capensis (J.R. le B. Tomlin, 1928)
Mancinella capensis (S.A.A. Petit De La Saussaye, 1852)
Reishia capensis (Saussaye, 1852)
Eopaziella capito (FOSSIL) (R.A. Philippi, 1843 †)
Chicoreus capucinus (J.B.P.A. Lamarck, 1822)
Murex carbonnieri (F.P. Jousseaume, 1881)
Enixotrophon carduelis (R.B. Watson, 1882)
Acanthotrophon carduus (W.J. Broderip, 1833)
Murexiella cargilei J. Coltro & F.H.A. Costa,2003
Coralliophila caribaea Abbott, 1958