| Scientific Name | Author | English Name |
|---|---|---|
| Grippina acherontis | Marshall, 2002 | |
| Grippina aupouria | (Powell, 1937) | |
| Grippina californica | Dall, 1912 | California grippclam |
| Grippina globosa | Marshall, 2002 | |
| Grippina pumila | Marshall, 2002 | |
| Grippina punctata | Marshall, 2002 | |
| Grippina rex | Marshall, 2002 | |
| Grippina spirata | Marshall, 2002 | |
| Sphenopus marsupalis | (Gmelin, 1827) | |
| Sphenopus marsupialis | (Gmelin, 1827) |