Genus Abra Lamarck, 1818 Genus Abrina Habe, 1952 Genus Iacra H. Adams & A. Adams, 1856 Genus Leptomya A. Adams, 1864 Genus Montrouzieria Souverbie, 1863 Genus Rochefortina Dall, 1924 Genus Semele Schumacher, 1817 Genus Theora H. Adams & A. Adams, 1856 Genus Thyellisca Vokes, 1956