Palmadusta clandestina (C. Linnaeus, 1767)
Palmadusta clandestina candida (W.H. Pease, 1865)
Palmadusta clandestina moniliaris (J.B.P.A. Lamarck, 1810)
Palmadusta clandestina passerina (J.C. Melvill, 1888)
Megalocypraea clarki (FOSSIL) W.M. Ingram, 1940 †
Notadusta clifdenensis (FOSSIL) W.O. Cernohorsky, 1971 †
Miolyncina cocconii (FOSSIL) (Mayer-Eymar, 1875 †)
Cypraeovula colligata F.Jr. Lorenz, 2002
Loxacypraea colligens (FOSSIL) (F. Sacco, 1894 †)
Ovatipsa coloba (J.C. Melvill, 1888)
Ovatipsa coloba greegori (J. Ford, 1893)
Gisortia colombiana (FOSSIL) Clark & J.W. Durham,1946 †
Cypraea columbaria (FOSSIL) J.B.P.A. Lamarck, 1810 †
Notocypraea comptonii (J.E. Gray, 1847)
Notocypraea comptonii casta (F.A. Schilder& R.H. Summers, 1963)
Notocypraea comptonii mayi (R.H. Beddome, 1898)
Notocypraea comptonii trenberthae W.P. Trenberth, 1961
Notocypraea comptonii wilkinsi R.J. Griffiths, 1959
Miolyncina conjungens (FOSSIL) (F. Sacco, 1894 †)
Cypraeovula connelli (W. Liltved, 1983)
Cypraeovula connelli peelae F.Jr. Lorenz, 2002
Palmadusta contaminata (G.B. II Sowerby, 1832)
Palmadusta contaminata distans F.A. Schilder & M. Schilder,1938
Luria controversa (J.E. Gray, 1824)
Luria controversa atriceps F.A. Schilder & M. Schilder,1938
Austrocypraea contusa (FOSSIL) (F. McCoy, 1877 †)
Gisortia coombii (FOSSIL) (G. Dixon in Sowerby,1850 †)
Cypraeovula coronata (F.A. Schilder, 1930)
Cypraeovula coronata debruini F.Jr. Lorenz, 2002
Cypraeovula coronata gabriellii F.Jr. Lorenz, 1993
Cypraeovula coronata gloriosa T. Shikama, 1971
Cypraeovula coronata immaculata L. Raybaudi Massilia,1986
Cypraeovula coronata infantensis A. Aiken, 2016
Cypraeovula coronata sphaerica F.A. Schilder, 1930
Nucleolaria cowlitziana (FOSSIL) Groves, 1994 †