| Nioche (Antinioche) Olsson, 1961 |
| Nioche (Antinioche) beili Olsson, 1961 |
| Nutricola F. R. Bernard, 1982 |
| Nutricola cymata (Dall, 1913) |
| Nutricola humilis (P. P. Carpenter, 1857) |
| Nutricola lordi (W. Baird, 1863) |
| Nutricola ovalis (Dall, 1902) |
| Oedalia P. P. Carpenter, 1864 |
| Oedalia subdiaphana P. P. Carpenter, 1864 |
| Panchione Olsson, 1964 |
| Panchione kellettii (Hinds, 1845) |
| Paphonotia Hertlein & Strong, 1948 |
| Paphonotia elliptica (G. B. Sowerby I, 1834) |
| Parastarte Conrad, 1862 |
| Parastarte triquetra (Conrad, 1846) |
| Periglypta Jukes-Browne, 1914 |
| Periglypta listeri (Gray, 1838) |
| Periglypta multicostata (G. B. Sowerby I, 1835) |
| Petricola Lamarck, 1801 |
| Petricola (Naranio) Gray, 1853 |