| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Powellisetia australis (Watson, 1886) |
Antarctic, Western Atlantic and Indian Ocean | ||
| Powellisetia deserta (Smith, 1907) |
Antarctic Indian Ocean | 0.26 | |
| Powellisetia fallax Kay, 1979 |
Eastern Central Pacific | ||
| Powellisetia inornata (Strebel, 1908) |
Western Atlantic | 0.174 | |
| Powellisetia microlirata Ponder & Worsfold, 1994 |
Southeast Pacific and Western Atlantic | 0.164 | |
| Powellisetia philomelae (Watson, 1886) |
Atlantic Ocean | 0.153 |