| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Oulangia bradleyi (Verrill, 1866) |
Eastern Pacific | ||
| Oulangia cyathiformis Chevalier, 1971 |
Central Pacific Ocean | ||
| Oulangia stokesiana Milne-Edwards & Haime, 1848 |
Western Pacific |