| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Histocidaris acutispina Mortensen, 1927 | Histocidaris acutispina | 3477 |
| Histocidaris formosa Mortensen, 1928 | Histocidaris formosa | 3477 |
| Histocidaris longicollis Hoggett & Rowe, 1986 | Histocidaris longicollis | 3477 |
| Histocidaris magnifica Mortensen, 1928 | Histocidaris magnifica | 3477 |