| Agriopoma Dall, 1902 |
| Agriopoma texasiana (Dall, 1892) |
| Agriopoma texasianum (Dall, 1892) |
| Amiantis P. P. Carpenter, 1864 |
| Amiantis callosa (Conrad, 1837) |
| Anomalocardia Schumacher, 1817 |
| Anomalocardia auberiana (d'Orbigny, 1853) |
| Anomalocardia brasiliana (Gmelin, 1791) |
| Anomalocardia cuneimeris (Conrad, 1846) |
| Anomalocardia flexuosa (Linnaeus, 1767) |
| Anomalocardia floridana Conrad, 1869 |
| Anomalocardia puella (Pfeiffer, 1846) |
| Anomalocardia subrugosa (W. Wood, 1828) |
| Antinioche Olsson, 1961 |
| Artemis Poli, 1791 |
| Artemis subquadrata Hanley, 1844 |
| Arthemis Poli, 1791 |
| Arthemis ponderosa Gray, 1838 |
| Callista Poli, 1791 |
| Callista concinna G. B. Sowerby I, 1835 |