Chicoreus corrugatus ethiopius E.H. Vokes, 1978
Africanella coseli (R. Houart, 1989)
Chicoreus cosmani Abbott & Finlay, 1979
Urosalpinx cossmanni (FOSSIL) A.E. Ortmann, 1900 †
Pagodula cossmanni (É.A.A. Locard, 1897)
Muricopsis costantiae (FOSSIL) (Ancona, 1871 †)
Laevityphis costaricensis (FOSSIL) A.A. Olsson, 1922 †
Coralliophila costata (H.M.D. de Blainville,1832)
Coralliophila costularis (J.B.P.A. Lamarck, 1816)
Trophon coulmanensis E.A. Smith, 1907
Babelomurex couturieri (F.P. Jousseaume, 1898)
Siratus cracens R. Houart, 2014
Favartia cracentis (R. Houart, 1996)
Comptella crassa (FOSSIL) A.G. Beu, 1967 †
Muricopsis crassicosta (FOSSIL) (É.A. Benoist, 1873 †)
Vitularia crassicostata (FOSSIL) (G.P. Deshayes, 1835 †)
Nassa crassigranosa (FOSSIL) R. Tate, 1888 †
Ocenebra crassilabiatus (FOSSIL) Hilber, 1879 †
Crassilabrum crassilabrum (Sowerby, 1834)
Ocenebra crassiliratus (FOSSIL) R. Tate, 1888 †
Minortrophon crassiliratus (H.H. Suter, 1908)
Ergalatax crassulnata (C. Hedley, 1915)
Hadriania craticulata (G.B. Brocchi, 1814)
Timbellus crauroptera (R. Houart, 1991)
Mipus crebrilamellosus (G.B. III Sowerby, 1913)
Ocenebra credneri (FOSSIL) Hõrnes & M. Auinger,1885 †
Vitularia crenifer (R.P. Montrouzier, 1861)
Pterynotus crenulatus (FOSSIL) (P.F. Röding, 1798 †)
Pterynotus crenulatus tricarinatus (FOSSIL) (J.B.P.A. Lamarck,1803 †)
Pterynotus crenulatus tricuspidatus (FOSSIL) G.P. Deshayes, 1835 †
Murexiella crispangula (FOSSIL) (A. Heilprin, 1897 †)
Muricopsis crispata (FOSSIL) (G.B. Brocchi, 1814 †)
Terefundus crispulatus (H.H. Suter, 1908)
Crassimurex crispus (FOSSIL) (J.B.P.A. Lamarck,1803 †)
Babelomurex cristatus (S. Kosuge, 1979)