| Oedemasia perangulata Edwards, 1882 |
| Oedemasia seriata Druce, 1887 |
| Oligocentria Herrich-Schäffer, 1855 |
| Oligocentria coloradensis Edwards, 1885 |
| Oligocentria delicata (Dyar, 1905) |
| Pentobesa Schaus, 1901 |
| Pentobesa poecila (Felder, 1874) |
| Pentobesa valta Schaus, 1901 |
| Pentobesa xylinoides Walker, 1866 |
| Periergosinae Kobayashi, 2016 |
| Phalerinae Butler, 1886 |
| Phryganidia Walker, 1858 |
| Phryganidia californica Packard, 1864 |
| Praeschausia Benjamin, 1932 |
| Praeschausia zapata (Schaus, 1920) |
| Procolax Schaus, 1910 |
| Procolax apulana Schaus, 1910 |
| Pseudhapigia Schaus, 1901 |
| Pseudhapigia brunnea Schaus, 1901 |
| Pseudodryas Möschler, 1878 |