| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Diadema antillarum (Philippi, 1845) |
Long-spined sea urchin | Central Atlantic | |
| Diadema mexicanum Agassiz, 1863 |
Eastern Pacific | 9 | |
| Diadema palmeri Baker, 1967 |
Southwest Pacific | ||
| Diadema paucispinum Agassiz, 1863 |
Indo-Pacific | ||
| Diadema savignyi Michelin, 1845 |
Savigny's long-spine sea urchin | Indo-Pacific | 25 |
| Diadema setosum (Leske, 1778) |
Porcupine sea urchin | Indo-Pacific |