Anomalocardia nesiotica H.A. Pilsbry, 1930
Pitar newcombianus (W.M. Gabb, 1865)
Eurhomalea newtoni (FOSSIL) (R.O. Wilckens, 1911 †)
Tapes ngocae Thach, 2016
Pitar ngocthieni Thach, 2016
Macrocallista nimbosa (D.C. Solander, 1786)
Eurhomalea ninfasiensis (FOSSIL) (del Rio, 1997 †)
Dosinia nipponica (T.A. Okutani, M. Tagawa& H. Horikawa, 1989)
Aphrodora nipponica (J.T. Kuroda& T. Habe in J.T. Kuroda & al., 1971)
Veneriglossa nipponica (T.A. Okutani, 1972)
Nitidavenus nitida (FOSSIL) (G.P. Deshayes, 1857 †)
Nitidavenus nitidula (FOSSIL) (J.B.P.A. Lamarck,1806 †)
Meretrix noaillanensis (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1910 †
Pitar nobilis (L.A. Reeve, 1849)
Saxidomus noblei (FOSSIL) R.E. Dickerson, 1914 †
Cyclina nodai (FOSSIL) Nagao †
Cyclorisma nodana (FOSSIL) Stepenson 1953 †
Aphrodora noguchii (T. Habe, 1958)
Lamelliconcha nomlandi (FOSSIL) Clark & J.W. Durham,1946 †
Dosinia nomurai (FOSSIL) Y. Otuka, 1934 †
Austrovenus northlandica (FOSSIL) Eagle, 2000 †
Chione nuciformis (FOSSIL) A. Heilprin, 1887 †
Tivelina nuculoides (FOSSIL) (A.E.M. Cossmann, 1882 †)
Dosinia nukumaruensis (FOSSIL) J. Marwick, 1927 †
Gafrarium numulinum (J.B.P.A. Lamarck, 1818)
Pitar nuttali (FOSSIL) (T.A. Conrad, 1834 †)
Saxidomus nuttalli T.A. Conrad, 1837
Meretrix nuttalliopsis (FOSSIL) A. Heilprin, 1878 †
Meretrix nuttalliopsis heilprini (FOSSIL) K.V.W. Palmer, 1929 †
Venus nux J.F. Gmelin, 1791
Calpitaria obliqua (FOSSIL) (G.P. Deshayes, 1825 †)
Pitar obliquatus (S.C.T. Hanley, 1844)
Laevicirce obliqueovata (FOSSIL) Lan 1989 †
Gafrarium obliquissimum (E.A. Smith, 1885)
Pullastra oblita (FOSSIL) Phillips, 1829 †