| Odostomiinae Pelseneer, 1928 |
| Odostomiini Casey, 1904 |
| Peristichia Dall, 1889 |
| Peristichia agria Dall, 1889 |
| Peristichia hermosa (Lowe, 1935) |
| Peristichia pedroana (Dall & Bartsch, 1909) |
| Peristichia toreta Dall, 1889 |
| Petitilla Wise, 1997 |
| Petitilla crosseana (Dall, 1885) |
| Pseudoscilla Boettger, 1901 |
| Pseudoscilla babylonia (C. B. Adams, 1845) |
| Pseudoscilla decorata (De Folin, 1873) |
| Pyramidella Lamarck, 1799 |
| Pyramidella (Longchaeus) Mörch, 1875 |
| Pyramidella (Longchaeus) mazatlanica Dall & Bartsch, 1909 |
| Pyramidella (Pharcidella) Dall, 1889 |
| Pyramidella (Pharcidella) hastata (A. Adams, 1854) |
| Pyramidella (Pharcidella) panamensis Dall & Bartsch, 1909 |
| Pyramidella (Pyramidella) Lamarck, 1799 |
| Pyramidella (Pyramidella) hancocki Strong & Hertlein, 1939 |