Nuculana confusa S.C.T. Hanley, 1860
Clidophorus consuetus (FOSSIL) Ulrich, 1894 †
Ledellina convexirostrata Z.A. Filatova& A.A. Schileyko, 1984
Nuculana corbuloides (E.A. Smith, 1885)
Nuculana cordyla (W.H. Dall, 1908)
Nuculana cornidei C. Altimira, 1974
Nuculana corpulentoides (FOSSIL) (T.H. Aldrich, 1895 †)
Phestia corrugata (FOSSIL) Hoare & al., 1989 †
Nuculana costellata (G.B. I Sowerby, 1833)
Saccella costulata (FOSSIL) (G.P. Deshayes, 1858 †)
Nuculana cowlitzensis (FOSSIL) C.S. Weaver& K.V.W. Palmer, 1922 †
Ledella crassa J. Knudsen, 1970
Nuculana crassa (R.B. Hinds, 1843)
Nuculana crassatelloides (FOSSIL) Lautenschlager, 1957 †
Saccella crassatelloides (FOSSIL) A.A. Olsson, 1964 †
Ledella crassicostata (FOSSIL) (P.A. Maxwell, 1988 †)
Nuculana crassiparva (FOSSIL) †
Scaeoleda crebricostata (FOSSIL) (J.E. Tenison-Woods,1877 †)
Adrana crenifera (G.B. I Sowerby, 1833)
Polidevcia cryptica (FOSSIL) C.O. Waterhouse, 1988 †
Nucundata cuiluanensis (FOSSIL) Liang, 1980 †
Nuculana cuneata Sowerby, 1833
Nuculana cuneiformis (FOSSIL) L. Krishtofovich, 1984 †
Ledella curtior (B.C. Cotton, 1930)
Nuculana cuspidata S.C.T. Hanley, 1860
Nuculana cygnea (K.H.J. Thiele& S.G.A. Jaeckel, 1931)
Nuculana dalli A. Krause, 1885
Adrana dalliana (FOSSIL) A.A. Olsson, 1922 †
Nuculana darwini (E.A. Smith, 1884)
Propeleda darwini (FOSSIL) (R.A. Philippi, 1887 †)
Phestia darwini (FOSSIL) (de Koninck, 1877 †)
Nuculana dasea (C. Hedley, 1915)
Saccella davidana (FOSSIL) A.A. Olsson, 1942 †
Saccella davilae (FOSSIL) (A.A. Olsson, 1922 †)
Nuculana decora (C.B. Adams, 1856)