| Parvanachis guerreroensis (Strong & Hertlein, 1937) |
| Parvanachis isabellei (d'Orbigny, 1839) |
| Parvanachis mullineri (Poorman, 1983) |
| Parvanachis nigricans (G. B. Sowerby I, 1844) |
| Parvanachis obesa (C. B. Adams, 1845) |
| Parvanachis pygmaea (G. B. Sowerby I, 1832) |
| Parvanachis sinaloa (Strong & Hertlein, 1937) |
| Pyrene Röding, 1798 |
| Pyrene ovulata (Lamarck, 1822) |
| Pyrene ovuloides (C. B. Adams, 1850) |
| Pyrene versicolor G. B. Sowerby I, 1832 |
| Radwinia Shasky, 1970 |
| Radwinia tehuantepecensis Shasky, 1970 |
| Rhombinella Radwin, 1968 |
| Rhombinella laevigata (Linnaeus, 1758) |
| Ruthia Shasky, 1970 |
| Ruthia mazatlanica Shasky, 1970 |
| Sincola Olsson & Harbison, 1953 |
| Sincola (Dorsina) Jung, 1989 |
| Sincola (Dorsina) gibberula (G. B. Sowerby I, 1832) |