Ennucula tumiensis (FOSSIL) (Krishtofovich, 1964 †)
Nucula turgens (FOSSIL) Wood, 1879 †
Nucula turgida A.A. Gould, 1846
Linucula tutamoensis (FOSSIL) J. Marwick, 1931 †
Nucula variabilis (FOSSIL) Sowerby, 1825 †
Nuculoma variabilis (FOSSIL) (Sowerby, 1824 †)
Truncacila vereshagini (FOSSIL) Kalishevich, 1969 †
Brevinucula verrilli (W.H. Dall, 1886)
Nucula vestigia (FOSSIL) J. Marwick, 1929 †
Nucula vicksburgensis (FOSSIL) T.A. Conrad, 1848 †
Nucula vieta (FOSSIL) R.J.L. Guppy, 1874 †
Acila vigilia H.G. Schenck, 1936
Nucula vincentiana (B.C. Cotton& F.C. Godfrey, 1938)
Leionucula vokesi (FOSSIL) Moore, 1976 †
Linucula waiaotea (FOSSIL) (C.R. Laws, 1941 †)
Nucula waikuraensis (FOSSIL) J. Marwick, 1931 †
Linucula waipaoa (FOSSIL) J. Marwick, 1931 †
Palaeonucula waltoni (FOSSIL) (Morris & J. Lycett,1853 †)
Linucula wanganuica (FOSSIL) (C.R. Laws, 1940 †)
Nucula washingtonensis (FOSSIL) C.S. Weaver, 1916 †
Nuculopsis wewokana (FOSSIL) Girty, 1915 †
Ennucula whatu (FOSSIL) P.A. Maxwell, 1992 †
Nuculopsis wymmensis (FOSSIL) (Keyserling, 1846 †)
Nuculopsis yangtzeensis (FOSSIL) (Frech, 1911 †)
Leionucula yotsukurensis (FOSSIL) K. Hirayama, 1958 †
Nuculopsis yuani (FOSSIL) Chao, 1927 †
Leionucula zagorskiensis (FOSSIL) Kalishevich, 1969 †
Nucula zophos A.H. Clarke, 1960
Nucula zwierzyckii (FOSSIL) C.H. Oostingh, 1933 †