| Felaniella sericata (Reeve, 1850) |
| Foveamysia Huber, 2015 |
| Foveamysia soror (C. B. Adams, 1852) |
| Phlyctiderma Dall, 1899 |
| Phlyctiderma (Pegmapex) Berry, 1960 |
| Phlyctiderma (Pegmapex) caelatum (Reeve, 1850) |
| Phlyctiderma (Phlyctiderma) Dall, 1899 |
| Phlyctiderma (Phlyctiderma) semiasperum (Philippi, 1836) |
| Phlyctiderma (Phlyctiderma) semirugosum (Dall, 1899) |
| Phlyctiderma phoebe (Berry, 1960) |
| Phlyctiderma soror (C. B. Adams, 1852) |
| Taras Risso, 1826 |
| Taras (Taras) Risso, 1826 |
| Taras (Taras) inezensis Hertlein & Strong, 1947 |
| Timothynus Harris & Palmer, 1946 |
| Timothynus inezensis (Hertlein & Strong, 1947) |
| Timothynus verrilli (Dall, 1899) |
| Ungulinidae H. Adams & A. Adams, 1856 |