Irus caudex (FOSSIL) (C.R. Laws, 1936 †)
Macrocallista cavachana (FOSSIL) G.D. Hanna & Israelsky,1925 †
Paraesa cedrina (FOSSIL) L.R. Saul, 1993 †
Pitar cedroensis (FOSSIL) Clark & J.W. Durham,1946 †
Hyphantosoma centangulatus (FOSSIL) J. Brown & H.A. Pilsbry,1911 †
Lirophora ceramota (FOSSIL) Gardner, 1947 †
Pitar cercadica (FOSSIL) C.J. Maury, 1917 †
Gouldia cerina (Adams, 1845)
Pelecyora ceylonica (R.W. Dunker, 1865)
Lamelliconcha charanica (FOSSIL) A.A. Olsson, 1931 †
Dosinia chathamensis (FOSSIL) J. Marwick, 1928 †
Turia chattonensis (FOSSIL) J. Marwick, 1927 †
Pitar chejsliensis (FOSSIL) V.N. Sinelnikova, 1990 †
Antigona chemnitzii (S.C.T. Hanley, 1845)
Protapes cheribonensis (FOSSIL) C.H. Oostingh, 1935 †
Venus chevreuxi P. Dautzenberg, 1891
Dosinia chikuzensis (FOSSIL) (Nagao) †
Venus chilensis (FOSSIL) d'Orbigny, 1842 †
Callista chinensis (H.S. Holten, 1802)
Liocyma chinensis S.P. Zhang,F.S. Xu & Leng, 2010
Anomalodiscus chinsuiensis (FOSSIL) Masuda & Huang 1994 †
Callista chione (C. Linnaeus, 1758)
Agriopoma chioneformis (FOSSIL) Gardner, 1943 †
Dosinia chipolana (FOSSIL) W.H. Dall, 1903 †
Agriopoma chiraensis (FOSSIL) A.A. Olsson, 1931 †
Lirophora chiriquiensis (FOSSIL) A.A. Olsson, 1922 †
Placamen chloroticum (R.A. Philippi, 1849)
Costellipitar chordatus (A. Römer, 1867)
Timoclea chuangi E. Fischer-Piette& D. Vukadinovic, 1977
Dosinia cingulifera A. Römer, 1862
Lamelliconcha circinata (I. von Born, 1778)
Dosinia circularis A. Römer, 1862
Gouldia circularis (FOSSIL) G.P. Deshayes, 1857 †
Granicorium citrinum K.L. Lamprell & J.M. Healy,1999
Pitar citrinus (J.B.P.A. Lamarck, 1818)