Chlamys cretosus (FOSSIL) J.L.M. Defrance, 1822 †
Hinnites crispus (FOSSIL) (G.B. Brocchi, 1814 †)
Hinnites crispus megalomorphus (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1921 †
Oppenheimopecten cristatocostatus (FOSSIL) (F. Sacco, 1897 †)
Cristatopecten cristatum (FOSSIL) (H.G. Bronn, 1827 †)
Argopecten cristobalensis (FOSSIL) L.G. Hertlein, 1925 †
Dimarzipecten crocus (FOSSIL) Ward, 1992 †
Semipallium crouchi (E.A. Smith, 1892)
Laevichlamys cuneata (L.A. Reeve, 1853)
Laevichlamys cuneata cookei (W.H. Dall, P. Bartsch& H.A. Rehder, 1938)
Chlamys curvivarians (FOSSIL) Dietrich, 1933 †
Chlamys cushmani (FOSSIL) Kellum, 1926 †
Chlamys cytherea A.R.J.B. Bavay, 1904
Argopecten daideleus (FOSSIL) C.J. Maury, 1924 †
Chagrepecten dallasi (FOSSIL) (H.K. Jordan& L.G. Hertlein, 1926 †)
Pecten danicus J.H. Chemnitz, 1795
Amusium darwinianum (FOSSIL) d'Orbigny, 1846 †
Chlamys decemnarius (FOSSIL) T.A. Conrad, 1834 †
Aequipecten decorus (FOSSIL) Cooke, 1919 †
Chlamys decussata (FOSSIL) G.P. Deshayes, 1858 †
Pecten deformis (FOSSIL) W.M. Gabb, 1864 †
Pecten deformis (FOSSIL) R. Tate, 1887 †
Dhondtichlamys delawarensis (FOSSIL) (H.G. Richards& A. Harbison, 1944 †)
Zygochlamys delicatula (F.W. Hutton, 1873)
Zygochlamys delicatula subantartica C. Hedley, 1916
Laevichlamys deliciosa (T. Iredale, 1939)
Argopecten demiurgus (FOSSIL) W.H. Dall, 1898 †
Nodipecten denaius (FOSSIL) W.P. Woodring, 1982 †
Pecten dendyi (FOSSIL) F.W. Hutton, 1902 †
Hinnites denticostatus (FOSSIL) Klipstein, 1843 †
Amusium denudatum (FOSSIL) Deperet & F. Roman †
Argopecten deserti (FOSSIL) (T.A. Conrad, 1855 †)
Neithea deshayana (FOSSIL) (Matheron, 1843 †)
Chlamys deshayesii (FOSSIL) Lea, 1833 †
Amusium destefanii (FOSSIL) Ugolini, 1903 †