Strombina cartagenensis (FOSSIL) H.A. Pilsbry & J. Brown,1917 †
Mitrella cartwrighti (J.C. Melvill, 1897)
Costoanachis cascabulloi J. Espinosa & J.A. Ortea,2004
Aesopus cassandra (C. Hedley, 1904)
Columbella castanea G.B. I Sowerby, 1832
Anachis catenata (G.B. I Sowerby, 1844)
Mitrella caulerpae A.M. Keen, 1971
Zemitrella cera T.A. Okutani, 1964
Strombina ceryx (FOSSIL) Gardner, 1947 †
Mitrella chantalae L. Bozzetti, 2006
Mitrella charcoti K. Monsecour & D. Monsecour,2016
Anachis chariessa (FOSSIL) (J.T.L. McGinty, 1940 †)
Costoanachis chinenensis (FOSSIL) F.S. MacNeil, 1960 †
Mitrella chinoi D. Monsecour & A.M. Dekkers,2013
Sincola chiriquiensis (FOSSIL) (A.A. Olsson, 1922 †)
Zemitrella choava (L.A. Reeve, 1859)
Aesopus chrysalloideus (P.P. Carpenter, 1866)
Anachis chuni (K.H.J. Thiele, 1925)
Nitidella cibaoica (FOSSIL) C.J. Maury, 1917 †
Suturoglypta cimarroma (FOSSIL) (E.S. Marks, 1951 †)
Pyreneola cincinnata (E.C. Von Martens, 1880)
Decipifus cingulata M. Lussi, 2009
Zafra cinnamomea (R.P.J. Hervier, 1900)
Zemitrella circumcincta R.K. Dell, 1962
Sulcomitrella circumstriata (M.M. Schepman, 1911)
Microcithara cithara (L.A. Reeve, 1859)
Aesopus clausiliformis (L.C. Kiener, 1834)
Anachis clavatula (FOSSIL) A.A. Olsson & A. Harbison,1953 †
Clavistrombina clavulus (Sowerby, 1834)
Columbella cledonida P.L. Duclos, 1846
Mitrella clementensis (P. Bartsch, 1927)
Mitrella coccinea (R.A. Philippi, 1836)
Strombina colinensis (FOSSIL) F. Hodson, 1931 †
Dorsina colombiana (FOSSIL) (N.E. Weisbord, 1929 †)
Strombina colpoica W.H. Dall, 1916