| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Trefusia filicauda Allgen, 1933 |
Northeast Atlantic | ||
| Trefusia helgolandica Riemann, 1966 |
Northeast Atlantic | ||
| Trefusia litoralis (Allgen, 1932) |
Northeast Atlantic | ||
| Trefusia longicauda De Man, 1893 |
Northeast Atlantic |