| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Laetmogone biserialis Fisher, 1907 |
To be filled | ||
| Laetmogone fimbriata Sluiter, 1901 |
Western Indian Ocean | ||
| Laetmogone maculata Théel, 1879 |
Southeast Atlantic | ||
| Laetmogone parvipedata Massin, 1987 |
To be filled | 13 | |
| Laetmogone perplexa Thandar, 1998 |
Southeast Atlantic | 22 | |
| Laetmogone violacea Théel, 1879 |
Antarctic Atlantic | ||
| Laetmogone wyvillethompsoni Théel, 1882 |
Antarctic Indian Ocean | ||
| Laetmogone wyvillethomsoni Théel, 1879 |
Antarctic Atlantic |