Nucula subrecurva (FOSSIL) Phillips, 1829 †
Nucula subrotundata (FOSSIL) Morningstar, 1922 †
Nucula subtransversa (FOSSIL) P. Nyst, 1844 †
Brevinucula subtriangularis P.M. Rhind & J.A. Allen,1992
Nucula subtrigona (FOSSIL) Münster, 1841 †
Nucula sulcata H.G. Bronn, 1831
Nucula sultana K.H.J. Thiele& S.G.A. Jaeckel, 1931
Ennucula superba (C. Hedley, 1902)
Nucula surinamensis C.O. Van Regteren Altena,1968
Ennucula taeniolata (W.H. Dall, 1908)
Nucula tallahalaensis (FOSSIL) D.T. Dockery, 1982 †
Nucula tamatavica N.H. Odhner, 1943
Nucula taphria (FOSSIL) W.H. Dall, 1898 †
Nucula tatriana (FOSSIL) King, 1850 †
Ennucula tenisoni (FOSSIL) (G.B. Pritchard, 1896 †)
Ennucula tenuis (G. Montagu, 1808)
Pronucula tenuis Powell, 1927
Nucula tenuisculpta (FOSSIL) W.M. Gabb, 1873 †
Nucula tenuistriata (FOSSIL) Sowerby, 1837 †
Nucula terminalis (FOSSIL) H.G. Bronn, 1831 †
Nuculavus terminalis (FOSSIL) Chronic, 1949 †
Nucula tersior (FOSSIL) J. Marwick, 1929 †
Nucula thielei H.G. Schenck, 1939
Nucula tokyoensis M. Yokoyama, 1920
Nucula torresi E.A. Smith, 1885
Nucula totangiensis (J. Marwick, 1931)
Nucula townsendi (FOSSIL) (W.H. Dall †)
Truncacila triangula (FOSSIL) Kalishevich, 1981 †
Nuculopsis triangularis (FOSSIL) G.B. Campbell & H. Engel,1963 †
Nucula trigonica T.C. Lan & Y.C. Lee, 2001
Nucula trigonula (FOSSIL) Wood, 1840 †
Nuculopsis trivialis (FOSSIL) (K.E.I. von Eichwald,1860 †)
Nuculoma tsvetkoviensis (FOSSIL) Kurushin, 1985 †
Palaeonucula tulongensis (FOSSIL) Wen & T.C. Lan, 1976 †
Nucula tumidula A.W. Malm, 1861