| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Calwellia bicornis Wyville Thomson, 1858 | Calwellia bicornis | 19 |
| Ichthyaria oculata Busk, 1884 | Ichthyaria oculata | 1202 |
| Ichthyaria profunda d'Hondt, 1981 | Ichthyaria profunda | 1202 |
| Onchopora sinclairii Busk, 1857 | Calwellia sinclairii | 87606 |