| Aethra Leach, 1816 |
| Aethra scruposa (Linnaeus, 1764) |
| Aethra scruposa subsp. scutata Rathbun, 1925 |
| Aethra scutata Smith, 1869 |
| Aethridae Dana, 1851 |
| Hepatella Smith, 1869 |
| Hepatella amica Smith, 1869 |
| Hepatus Latreille, 1802 |
| Hepatus epheliticus (Linnaeus, 1763) |
| Hepatus kossmanni Neumann, 1878 |
| Hepatus lineatus Rathbun, 1898 |
| Hepatus pudibundus (Herbst, 1785) |
| Osachila Stimpson, 1871 |
| Osachila acuta Stimpson, 1871 |
| Osachila lata Faxon, 1893 |
| Osachila levis Rathbun, 1898 |
| Osachila tuberosa Stimpson, 1871 |