Nucula covra W. Bergmans, 1978
Nucula crassicostata E.A. Smith, 1872
Nucula crassidens M. Nicklés, 1955
Nucula crenulata (A. Adams, 1856)
Nucula crepida (FOSSIL) J. Marwick, 1931 †
Nucula cromata (FOSSIL) Sorgenfrel, 1958 †
Nucula crystallina G.T. Poppe, S.P. Tagaro& P. Stahlschmidt, 2015
Nucula culebrensis E.A. Smith, 1885
Nucula cunifrons (FOSSIL) T.A. Conrad, 1860 †
Nucula davilae (FOSSIL) A.A. Olsson, 1922 †
Nucula declivis R.B. Hinds, 1843
Nucula defuniak (FOSSIL) Gardner, 1926 †
Nucula delphinodonta J.W. Mighels & Adams,1842
Nucula deltoidea (FOSSIL) Phillips, 1848 †
Nucula distincta W.H. Turton, 1932
Nucula domandaensis (FOSSIL) F.E. Eames, 1951 †
Nucula donaciformis Smith, 1895
Nucula dorsocrenata (T. Habe, 1977)
Nucula dunedinensis H.J. Finlay, 1928
Nucula ensinoides (FOSSIL) A.A. Olsson, 1922 †
Nucula etheridgei (FOSSIL) N.H. Ludbrook, 1966 †
Nucula exigua G.B. I Sowerby, 1833
Nucula exodonta B. Prashad, 1932
Nucula expansa (FOSSIL) Wissmann, 1841 †
Nucula falklandica H.B. Preston, 1912
Nucula fernandensis M. de H. Villarroel, 1971
Nucula fernandinae W.H. Dall, 1927
Nucula fragilis (FOSSIL) G.P. Deshayes, 1829 †
Nucula fragilis gracilis (FOSSIL) Bogsch, 1936 †
Nucula gabbiana (FOSSIL) R.E. Dickerson, 1916 †
Nucula georgiana (FOSSIL) C.G. Semperin J.P.J. Ravn, 1907 †
Nucula getkilnensis (FOSSIL) Devjatilova, 1981 †
Nucula gracilenta (FOSSIL) S.V. Wood †
Nucula greppini (FOSSIL) G.P. Deshayes, 1858 †
Nucula hanleyi R. Winckworth, 1931