| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Sidnyum elegans (Giard, 1872) |
Northeast Atlantic | ||
| Sidnyum pererratum (Sluiter, 1912) |
Antarctic | ||
| Sidnyum radiatum (Sluiter, 1906) |
Antarctic | ||
| Sidnyum turbinatum Savigny, 1816 |
Northeast Atlantic and the Mediterranean | 1 |