| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Primnoisis ambigua Wright & Studer, 1889 |
Antarctic | ||
| Primnoisis antarctica (Studer, 1878) |
Antarctic Atlantic and Antarctic Indian Ocean | ||
| Primnoisis delicatula Hickson, 1907 |
Antarctic Indian Ocean | ||
| Primnoisis fragilis Kükenthal, 1919 |
Antarctic Indian Ocean | ||
| Primnoisis mimas Bayer & Stefani, 1987 |
Antarctic Atlantic | ||
| Primnoisis sparsa Wright & Studer, 1889 |
Antarctic Indian Ocean |