| Nominal Species (n = 4) | Present allocation (n = 4) | Ref. |
|---|---|---|
| Cyphocarcinus alcocki Griffin & Tranter, 1986 | Cyphocarcinus alcocki | 3477 |
| Ixion capreolus Paul'son, 1875 | Cyphocarcinus capreolus | 3477 |
| Cyphocarcinus minutus Milne-Edwards, 1868 | Cyphocarcinus minutus | 3477 |
| Mithrax pilosus Rathbun, 1892 | Amphithrax pilosus | 19 |