| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Simrothiella borealis (Odhner, 1921) |
Northeast Atlantic | ||
| Simrothiella margaritacea (Koren & Danielssen, 1877) |
Northeast Atlantic | ||
| Simrothiella schizoradulata (Salvini-Plawen, 1978) |
Southeast Pacific |