Abra seurati (É. Lamy, 1906)
Iacra seychellarum (A. Adams, 1856)
Abra sibogai (B. Prashad, 1932)
Leptomya simplex (FOSSIL) J. Marwick, 1926 †
Cumingia sinuosa A. Adams, 1850
Semele smithii? (FOSSIL) W.H. Dall, 1900 †
Semele solida Gray, 1828
Abra sorgenfreii (FOSSIL) Anderson, 1964 †
Semele sowerbyi G.W. Tryon, 1869
Abra soyoae T. Habe, 1958
Iacra speciosa (G.P. Deshayes, 1856)
Abra splendens (FOSSIL) (J. de. C. Sowerby 1837) †,
Semele sponsa (L.A. Reeve, 1853)
Semele staminea (FOSSIL) (T.A. Conrad, 1848 †)
Semele striata (L.A. Reeve, 1853)
Syndosmya striatula (FOSSIL) (G.P. Deshayes, 1857 †)
Abra subelegans (FOSSIL) (Dufour, 1881 †)
Semele subovata (FOSSIL) T. Say, 1824 †
Semelina subquadrata (P.P. Carpenter, 1857)
Leptomya subrostata A. Issel, 1869
Abra suessoniensis (FOSSIL) G.P. Deshayes, 1857 †
Cumingia tellinoides (T.A. Conrad, 1831)
Abra tenuis (G. Montagu, 1803)
Abra tenuis lorenzoi A. Cecalupo, G. Buzzurro& M. Mariani, 2008
Abra tepocana W.H. Dall, 1915
Semele tortuosa (C.B. Adams, 1852)
Theora translucens H.B. Preston, 1916
Ervilia triangularis (FOSSIL) W.H. Dall, 1898 †
Abra triangulata (FOSSIL) W.H. Dall, 1900 †
Leptomyaria trigona T. Habe, 1960
Leptomya trigonalis (A. Adams & L.A. Reeve,1850)
Iacra trotteriana (G.B. III Sowerby, 1894)
Abra truncata C. Hedley, 1906
Abra uruguayensis (H.A. Pilsbry, 1897)
Ervilia valhosierr (FOSSIL) Gardner, 1928 †