Muricopsis cristatus (G.B. Brocchi, 1814)
Muricopsis cristatus horridus (G.S. Coen, 1933 ex T.A. de M. Monterosato MS)
Muricopsis cristatus inermis (R.A. Philippi, 1836)
Muricopsis cristatus spinulosa L. Stalio in G.S. Coen,1933
Chicoreus crosnieri R. Houart, 1985
Favartia crouchi (G.B. III Sowerby, 1894)
Murex crowfootii (FOSSIL) Wood, 1879 †
Stramonita cruentata (J.F. Gmelin, 1791)
Aspella cryptica G.E. Radwin & D'Attilio,1976
Abyssotrophon crystallinus (J.T. Kuroda, 1953)
Murexsul cubacaribaensis Espinosa & Ortea, 2016
Sohliina cucullata (FOSSIL) (N.F. Sohl, 1964 †)
Murexiella cumberlandiana (FOSSIL) (W.M. Gabb, 1860 †)
Lataxiena cumella (F.P. Jousseaume, 1898)
Coralliophila cumingii (H. Adams & A. Adams,1864)
Naquetia cumingii (A. Adams, 1853)
Haustellotyphis cumingii (W.J. Broderip, 1833)
Lyrotyphis cuniculosus (FOSSIL) (Duchâtel in P. Nyst,1836 †)
Dermomurex cunninghamae (S.S. Berry, 1964)
Coralliophila curacaoensis Potkamp & Hoeksema, 2017
Coralliophila curta G.B. III Sowerby, 1894
Comptella curta (R. Murdoch, 1905)
Urosalpinx curtansata (FOSSIL) R. Tate, 1888 †
Kestocenebra curvicosta (FOSSIL) (J.P.S. Grateloup,1840 †)
Viator curviductus (FOSSIL) E.H. Vokes, 1975 †
Laevityphis curvirostratus (FOSSIL) (T.A. Conrad, 1848 †)
Enixotrophon cuspidarioides (A.W.B. Powell, 1951)
Murexsul cuspidatus (G.B. II Sowerby, 1879)
Terefundus cuvierensis (M.K. Mestayer, 1919)
Favartia cyclostoma (G.B. I Sowerby, 1841)
Urosalpinx cymioides (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 †
Boreotrophon dabneyi (P. Dautzenberg, 1889)
Calotrophon dadeensis (FOSSIL) E.J. Petuch, 1994 †
Ponderia daguini (FOSSIL) (Magne, 1940 †)
Babelomurex dalli (W.K. Emerson & D'Attilio,1963)