| Bathyneaera Scarlato & Starobogatov, 1983 |
| Bathyneaera disa (F. R. Bernard, 1989) |
| Bathyneaera tillamookensis (Dall, 1916) |
| Cardiomya A. Adams, 1864 |
| Cardiomya (Labromysa) F. R. Bernard, 1989 |
| Cardiomya (Labromysa) disa F. R. Bernard, 1989 |
| Cardiomya alternata (d'Orbigny, 1853) |
| Cardiomya costata (G. B. Sowerby I, 1834) |
| Cardiomya costellata (Deshayes, 1833) |
| Cardiomya didyma (Hinds, 1843) |
| Cardiomya isolirata Bernard, 1969 |
| Cardiomya lanieri (Strong & Hertlein, 1937) |
| Cardiomya ornatissima (d'Orbigny, 1853) |
| Cardiomya pectinata (P. P. Carpenter, 1864) |
| Cardiomya perrostrata (Dall, 1881) |
| Cardiomya planetica (Dall, 1908) |
| Cardiomya striata (Jeffreys, 1876) |
| Cuspidaria Nardo, 1840 |
| Cuspidaria (Cardiomya) A. Adams, 1864 |
| Cuspidaria (Cardiomya) dulcis Pilsbry & Lowe, 1932 |