| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Placostegus assimilis McIntosh, 1885 |
Western Central Atlantic | ||
| Placostegus crystallinus Zibrowius, 1968 |
Mediterranean Sea | ||
| Placostegus incomptus Ehlers, 1887 |
Western Central Atlantic | ||
| Placostegus tridentatus (Fabricius, 1779) |
Western Indian Ocean, Northeast Atlantic and the Mediterranean Sea |