| Acar Gray, 1857 |
| Acar bailyi Bartsch, 1932 |
| Acar domingensis (Lamarck, 1819) |
| Acar gradata (Broderip & G. B. Sowerby I, 1829) |
| Acar panamensis Bartsch, 1932 |
| Acar rostae (Berry, 1954) |
| Anadara Gray, 1847 |
| Anadara (Anadara) Gray, 1847 |
| Anadara (Anadara) adamsi Olsson, 1961 |
| Anadara (Anadara) concinna (G. B. Sowerby I, 1833) |
| Anadara (Anadara) emarginata (G. B. Sowerby I, 1833) |
| Anadara (Anadara) formosa (G. B. Sowerby I, 1833) |
| Anadara (Anadara) notabilis (Röding, 1798) |
| Anadara (Anadara) secticostata (Reeve, 1844) |
| Anadara (Anadara) similis (C. B. Adams, 1852) |
| Anadara (Anadara) tuberculosa (G. B. Sowerby I, 1833) |
| Anadara (Cunearca) Dall, 1898 |
| Anadara (Cunearca) aequatorialis (d'Orbigny, 1846) |
| Anadara (Cunearca) bifrons (P. P. Carpenter, 1857) |
| Anadara (Cunearca) brasiliana (Lamarck, 1819) |