| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Prototrochus belyaevi Smirnov, 1997 |
Western Central Pacific | ||
| Prototrochus geminiradiatus (Salvini-Plawen, 1972) |
Mediterranean Sea | 0.25 | |
| Prototrochus meridionalis (Salvini-Plawen, 1977) |
Mediterranean Sea |