Muricopsis cristatus (G.B. Brocchi, 1814) Italy, Cannizzaro23,1 mm
Muricopsis cristatus horridus (G.S. Coen, 1933 ex T.A. de M. Monterosato MS) France, Ile de Porquerolles24,48 mm
Muricopsis cristatus inermis (R.A. Philippi, 1836) Italy, Cannizzaro12 mm
Muricopsis cristatus spinulosa L. Stalio in G.S. Coen,1933 Greece, Saranikos15 mm
Chicoreus crosnieri R. Houart, 1985 Madagascar, Tulear34,1 mm
Favartia crouchi (G.B. III Sowerby, 1894) Mozambique, Bazaruto Island11 mm
Murex crowfootii (FOSSIL) Wood, 1879 † UK, England, Suffolk
Stramonita cruentata (J.F. Gmelin, 1791) French Guiana
Aspella cryptica G.E. Radwin & D'Attilio,1976 Brazil, Salvador5,6 mm
Abyssotrophon crystallinus (J.T. Kuroda, 1953) Japan, Sanriku
Murexsul cubacaribaensis Espinosa & Ortea, 2016
Sohliina cucullata (FOSSIL) (N.F. Sohl, 1964 †) United States, Alabama, Lowndes
Murexiella cumberlandiana (FOSSIL) (W.M. Gabb, 1860 †) USA, Delaware
Lataxiena cumella (F.P. Jousseaume, 1898) Mozambique, Benguera45 mm
Coralliophila cumingii (H. Adams & A. Adams,1864) Philippines, Balut Island55 mm
Naquetia cumingii (A. Adams, 1853) Philippines, Palawan Island73 mm
Haustellotyphis cumingii (W.J. Broderip, 1833) Panama, Gobernadora Island29 mm
Lyrotyphis cuniculosus (FOSSIL) (Duchâtel in P. Nyst,1836 †) Germany, Mecklenburg
Dermomurex cunninghamae (S.S. Berry, 1964) Panama, Chiriqui Bay16,4 mm
Coralliophila curacaoensis Potkamp & Hoeksema, 2017
Coralliophila curta G.B. III Sowerby, 1894 Réunion11 mm
Comptella curta (R. Murdoch, 1905) New Zealand, Stewart Island
Urosalpinx curtansata (FOSSIL) R. Tate, 1888 † Australia, Victoria, S. Grampians Bal
Kestocenebra curvicosta (FOSSIL) (J.P.S. Grateloup,1840 †) France
Viator curviductus (FOSSIL) E.H. Vokes, 1975 † United States, Florida, Calhoun
Laevityphis curvirostratus (FOSSIL) (T.A. Conrad, 1848 †) USA, Mississippi
Enixotrophon cuspidarioides (A.W.B. Powell, 1951) South Georgia Island
Murexsul cuspidatus (G.B. II Sowerby, 1879) New Caledonia30,2 mm
Terefundus cuvierensis (M.K. Mestayer, 1919) New Zealand
Favartia cyclostoma (G.B. I Sowerby, 1841) Japan11 mm
Urosalpinx cymioides (FOSSIL) H.A. Pilsbry& A.A. Olsson, 1941 † Ecuador, Manabi
Boreotrophon dabneyi (P. Dautzenberg, 1889) Azores27,4 mm
Calotrophon dadeensis (FOSSIL) E.J. Petuch, 1994 † Florida, Miami County18 mm
Ponderia daguini (FOSSIL) (Magne, 1940 †) France, Aquitaine35 mm
Babelomurex dalli (W.K. Emerson& D'Attilio, 1963) Brazil. Laguna30 mm