| Paradialychone uebelackerae (Tovar-Hernández, 2005) |
| Parasabella Bush, 1905 |
| Parasabella flecata Hoagland, 1919 |
| Parasabella fonticula Hoagland, 1919 |
| Parasabella jamaicensis Augener, 1922 |
| Parasabella lacunosa (Perkins, 1984) |
| Parasabella leucaspis (Kinberg, 1867) |
| Parasabella maculata Bush, 1905 |
| Parasabella media Bush, 1905 |
| Parasabella microphthalma (Verrill, 1873) |
| Parasabella midoculi Hoagland, 1919 |
| Parasabella minuta Treadwell, 1941 |
| Parasabella pallida Moore, 1923 |
| Parasabella rugosa (Moore, 1904) |
| Parasabella sulfurea Treadwell, 1917 |
| Perkinsiana P. Knight-Jones, 1983 |
| Perkinsiana fonticula (Hoagland, 1919) |
| Perkinsiana minuta (Treadwell, 1941) |
| Potamethus Chamberlin, 1919 |
| Potamethus spathiferus (Ehlers, 1887) |