| Nominal Species (n = 5) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Echinodiscus auritus Leske, 1778 | Sculpsitechinus auritus | 85000 |
| Echinodiscus bisperforatus Leske, 1778 | Echinodiscus bisperforatus | 81020 |
| Astriclypeus manni Verrill, 1867 | Astriclypeus manni | 85000 |
| Lobophora truncata Agassiz, 1841 | Echinodiscus bisperforatus | 3477 |
| Echinodiscus truncatus L. Agassiz, 1841 | Echinodiscus truncatus | 3477 |