Divaricella chavani R. von Cosel, 2006
Afrophysema chevalieri (R. von Cosel, 2005)
Miltha childrenae (Gray, 1824)
Miltha chipolana (FOSSIL) W.H. Dall, 1903 †
Ctena chiquita (W.H. Dall, 1901)
Callucina choctavensis (FOSSIL) (Meyer, 1886 †)
Luciniola cingulata (FOSSIL) (Terquem, 1855 †)
Myrtea circinata A. Adams, 1862
Cardiolucina civica (M. Yokoyama, 1927)
Plastomiltha claibornensis (FOSSIL) (T.A. Conrad, 1865 †)
Miltha claibornensis (FOSSIL) †
Saxolucina claibornensis (FOSSIL) C.C. Stewart 1930 †
Ctena clarionensis L.G. Hertlein & A.M. Strong,1946
Loripes clausus (R.A. Philippi, 1848)
Parvilucina clenchi C.O. Van Regteren Altena,1968
Ctena clippertonensis P. Bartsch & H.A. Rehder,1939
Lucina coeloprocta (FOSSIL) A.E.M. Cossmann, 1887 †
Here colombiana (FOSSIL) Clark & J.W. Durham,1946 †
Graecina colombiensis D.W. Taylor & E.A. Glover,2009
Phacoides columbella (J.B.P.A. Lamarck, 1818)
Phacoides columbella basteroti (FOSSIL) (A.E.R. Agassiz, 1845 †)
Divaricella comis (FOSSIL) A.A. Olsson, 1964 †
Cavilinga compacta (E.A. Smith, 1890)
Jorgenia compressa (W.H. Dall, 1881)
Divaricella compsa (FOSSIL) W.H. Dall, 1903 †
Jagolucina concava (FOSSIL) (J.L.M. Defrancein G.P. Deshayes, 1825 †)
Epilucina concentrica (FOSSIL) (J.B.P.A. Lamarck,1806 †)
Fimbria concinna (FOSSIL) (Damon, 1860 †)
Pillucina concinna (FOSSIL) (H. Adams, 1871 †)
Monitilora concinna (FOSSIL) (G.P. Deshayes, 1857 †)
Gonimyrtea concinna (F.W. Hutton, 1885)
Epicodakia congenita (E.A. Smith, 1885)
Anodontia conili (FOSSIL) J.B.C.P. de Raincourt,1877 †
Epicodakia consettiana T. Iredale, 1930
Pterolucina consobrina (FOSSIL) (G.P. Deshayes, 1857 †)