| Raeta Gray, 1853 |
| Raeta plicatella (Lamarck, 1818) |
| Raeta undulata (Gould, 1851) |
| Rangia Des Moulins, 1832 |
| Rangia (Rangia) Des Moulins, 1832 |
| Rangia (Rangia) cuneata (G. B. Sowerby I, 1831) |
| Rangia (Rangianella) Conrad, 1868 |
| Rangia (Rangianella) flexuosa (Conrad, 1839) |
| Rangia (Rangianella) mendica (Gould, 1851) |
| Rangianella Conrad, 1868 |
| Rangianella flexuosa (Conrad, 1839) |
| Simomactra Dall, 1894 |
| Simomactra dolabriformis (Conrad, 1867) |
| Spisula Gray, 1838 |
| Spisula raveneli (Conrad, 1831) |
| Spisula williamsi (Berry, 1960) |
| Tresus Gray, 1853 |
| Tresus nuttallii (Conrad, 1837) |