Nucula hawaiensis H.A. Pilsbry, 1921
Nucula headonensis (FOSSIL) Morris †
Nucula impressa (FOSSIL) J. de C. Sowerby †
Nucula inconspicua H. Adams, 1871
Nucula inflata (FOSSIL) Wissmann, 1841 †
Nucula infrequens (P.A. Maxwell, 1992)
Nucula infrquens (FOSSIL) Maxwell 1992 †
Nucula insignis (I. Hayami & T. Kase,1993)
Nucula insolita (FOSSIL) Pronina, 1969 †
Nucula interflucta L.N. Marincovich, 1973
Nucula iphigenia (W.H. Dall, 1896)
Nucula irregularis G.B. III Sowerby, 1904
Nucula izushotoensis (T.A. Okutani, 1966)
Nucula kalimnae (FOSSIL) F.A. Singleton, 1932 †
Nucula kanaka W. Bergmans, 1991
Nucula kerguelensis K.H.J. Thiele, 1912
Nucula lateralis (FOSSIL) Terquem & Jourdy, 1869 †
Nucula libera W. Bergmans, 1991
Nucula lineata (FOSSIL) G.A. Goldfuss, 1837 †
Nucula lingualis (FOSSIL) Phillips, 1848 †
Nucula magna (FOSSIL) Lamont †
Nucula magnifica (FOSSIL) T.A. Conrad, 1833 †
Nucula major (FOSSIL) H.G. Richards, 1944 †
Nucula malabarica S.C.T. Hanley, 1860
Nucula mancorensis (FOSSIL) A.A. Olsson, 1931 †
Nucula margaritifera (FOSSIL) J.H.F. Douvillé, 1916 †
Nucula mariae F. Nolf, 2005
Nucula marmorea R.B. Hinds, 1843
Nucula marshalli H.G. Schenck, 1939
Nucula martini (FOSSIL) Finlay, 1927 †
Nucula mauricensis (FOSSIL) G.F. Harris, 1919 †
Nucula mayeri (FOSSIL) M. Hörnes, 1865 †
Nucula mayi (T. Iredale, 1930)
Nucula mediavia (FOSSIL) G.F. Harris, 1896 †
Nucula mesembrina (C. Hedley, 1916)