Semele ada G.F. Angas, 1871
Leptomya adunca (A.A. Gould, 1861)
Abra aegyptiaca P.G. Oliver & M. Zuschin,2000
Abra aequalis T. Say, 1822
Abra affinis E.A. Smith, 1899
Abra africana P. Bartsch, 1915
Abra alba (Wood, 1802)
Ervilia aleutica W.H. Dall, 1924
Theora alfredensis P. Bartsch, 1915
Semele amabilis (L.A. Reeve, 1853)
Semele anteriocosta (FOSSIL) E.H. Vokes, 1938 †
Cumingia antillarum A. Adams, 1850
Abra antwerpiensis (FOSSIL) M. Glibert, 1945 †
Iacra arabica H. Dekker & R.G. Moolenbeek,
Ervilia asymmetrica M. do Carmo Marques& L.R.L. Simone, 2011
Semele australis (G.B. I Sowerby, 1833)
Semele barbarae (C.E. Boone, 1928)
Semele bellastriata T.A. Conrad, 1837
Abra benoisti (FOSSIL) A.E.M. Cossmann& M.A. Peyrot, 1915 †
Semele bicolor (C.B. Adams, 1852)
Ervilia bisculpta A.A. Gould, 1861
Abra bojei (FOSSIL) Anderson, 1959 †
Semele bolivarensis (FOSSIL) Clark & J.W. Durham,1946 †
Abra bosqueti (FOSSIL) (C.G. Semper, 1861 †)
Leptomya bracheon (R. Sturany, 1899)
Semele brambleyae A.W.B. Powell, 1967
Abra braziliensis (E.A. Smith, 1885)
Leptomya breviformis (FOSSIL) C.R. Laws, 1950 †
Semele brevirostrum (FOSSIL) L.H. Hupé, 1854 †
Theora cadabra (F.E. Eames & G.L. Wilkins,1957)
Abra californica J. Knudsen, 1970
Cumingia californica T.A. Conrad, 1837
Semele californica (L.A. Reeve, 1853)
Semele calliconcinnata (FOSSIL) W.P. Woodring, 1925 †
Semelina campbellorum E.V. Coan, 2003