Glycymeris mississippiensis (FOSSIL) T.A. Conrad, 1848 †
Costaglycymeris mixoni (FOSSIL) Ward, 1992 †
Glycymeris modesta (G.F. Angas, 1879)
Glycymeris moguntina (FOSSIL) Ebert, 1890 †
Tucetona molokaia (W.H. Dall, P. Bartsch& H.A. Rehder, 1938)
Tucetona monsadusta (FOSSIL) (J. Marwick, 1932 †)
Tucetona montrouzieri (G.F. Angas, 1872)
Glycymeris morum (L.A. Reeve, 1843)
Tucetona multicostata (G.B. I Sowerby, 1833)
Glycymeris munda (G.B. III Sowerby, 1903)
Glycymeris naiadis (FOSSIL) C.J. Maury, 1924 †
Glycymeris nakosoensis (FOSSIL) K.M. Hatai & S. Nisiyama,1949 †
Glycymeris nigeriensis (FOSSIL) R.B. Newton, 1922 †
Tucetona nodosa (L.A. Reeve, 1843)
Glycymeris nuculatus (FOSSIL) J.B.P.A. Lamarck, 1807 †
Glycymeris nummaria (C. Linnaeus, 1758)
Tucetona nux (W.H. Dall, P. Bartsch& H.A. Rehder, 1938)
Glycymeris obovata (FOSSIL) J.B.P.A. Lamarck, 1819 †
Glycymeris obovata baldii (FOSSIL) M. Glibert& L. van de Poel, 1965 †
Glycymeris obovata ringelei (FOSSIL) Moerdijk& F.A.D. van Nieulande, 2000 †
Tucetona oculata (L.A. Reeve, 1843)
Tucetona odhneri T. Iredale, 1939
Arcullaea olea (FOSSIL) Vokes 1946 †
Glycymerita organi (FOSSIL) (L. C. King, 1934 †)
Glycymeris ornithoptera (FOSSIL) (A.C. Chapman& F.A. Singleton, 1925 †)
Glycymeris ovata W.J. Broderip, 1832
Tucetona pallium (L.A. Reeve, 1843)
Glycymeris parilis (FOSSIL) T.A. Conrad, 1843 †
Glycymeris parma (FOSSIL) Berezovsky, 2015 †
Tucetona pectinata (J.F. Gmelin, 1791)
Tucetona pectinata canalis (FOSSIL) (J. Brown & H.A. Pilsbry,1911 †)
Peruarca pectunculinoides (FOSSIL) Olsson 1944 †
Tucetona pectunculus (C. Linnaeus, 1758)
Glycymeris persimilis (T. Iredale, 1939)
Glycymeris pertusa (L.A. Reeve, 1843)