| Gouldia pacifica C. B. Adams, 1852 |
| Gouldia varians P. P. Carpenter, 1857 |
| Gouldiinae Stewart, 1930 |
| Hyphantosoma Dall, 1902 |
| Hyphantosoma aletes (Hertlein & Strong, 1948) |
| Hyphantosoma pollicaris (P. P. Carpenter, 1864) |
| Hysteroconcha Dall, 1902 |
| Hysteroconcha brevispinosus (G. B. Sowerby II, 1851) |
| Hysteroconcha lupanaria (Lesson, 1831) |
| Hysteroconcha multispinosus (G. B. Sowerby II, 1851) |
| Hysteroconcha roseus (Broderip & G. B. Sowerby I, 1829) |
| Iliochione Olsson, 1961 |
| Iliochione subrugosa (W. Wood, 1828) |
| Lamelliconcha Dall, 1902 |
| Lamelliconcha alternatus (Broderip, 1835) |
| Lamelliconcha callicomatus (Dall, 1902) |
| Lamelliconcha circinata Born, 1778 |
| Lamelliconcha circinata subsp. vinacea Olsson, 1961 |
| Lamelliconcha concinnus (G. B. Sowerby I, 1835) |
| Lamelliconcha frizzelli (Hertlein & Strong, 1948) |