Humilaria kennerleyi (L.A. Reeve, 1863)
Humilaria perlaminosa (FOSSIL) (T.A. Conrad, 1855 †)
Leukoma antiqua (P.P. King, 1832)
Leukoma argentina (FOSSIL) (H.F.A. von Ihering,1897 †)
Leukoma asperrima (Sowerby, 1835)
Leukoma beili A.A. Olsson, 1961
Leukoma burmeisteri (FOSSIL) (Borchert 1901) †
Leukoma columbiensis (Sowerby, 1835)
Leukoma coquandi (FOSSIL) (L.H. Hupé, 1854 †)
Leukoma crassicosta (G.P. Deshayes, 1835)
Leukoma decussata (G.P. Deshayes, 1853)
Leukoma dolicha (FOSSIL) W.P. Woodring, 1982 †
Leukoma ecuadoriana A.A. Olsson, 1961
Leukoma euglypta (G.B. III Sowerby, 1914)
Leukoma granulata (J.F. Gmelin, 1791)
Leukoma grata (T. Say, 1831)
Leukoma grata fuscolineata (G.B. I Sowerby, 1835)
Leukoma histrionica (Sowerby, 1835)
Leukoma jedoensis (C.E. Lischke, 1874)
Leukoma jobanica (FOSSIL) (M. Yokoyama, 1924 †)
Leukoma laciniata (P.P. Carpenter, 1864)
Leukoma lima (G.B. II Sowerby, 1852)
Leukoma marcottae (FOSSIL) A.A. Olsson & R.E. Petit,1964 †
Leukoma meridonalis (FOSSIL) (Sowerby, 1846 †)
Leukoma metodon (H.A. Pilsbry & H.N. Lowe,1932)
Leukoma metodon mcgintyi (A.A. Olsson, 1961)
Leukoma pectorina (J.B.P.A. Lamarck, 1818)
Leukoma pertincta W.H. Dall, 1902
Leukoma restorationensis (D.L. Frizzell, 1930)
Leukoma seymourensis (FOSSIL) W.H. Dall & Oschner,1928 †
Leukoma staminea (T.A. Conrad, 1837)
Leukoma subrostrata (J.B.P.A. Lamarck, 1818)
Leukoma thaca (Molina, 1782)
Leukoma yanagawana (FOSSIL) Nomura & Zinbo 1936 †
Mercenaria blakei (FOSSIL) Ward, 1992 †
Mercenaria campechiensis (J.F. Gmelin, 1791)
Mercenaria druidi (FOSSIL) Ward, 1992 †
Mercenaria ducatelli (FOSSIL) T.A. Conrad, 1838 †
Mercenaria erecta (FOSSIL) Kellum, 1926 †