Name(s) in cluster
| †Protoryctocephalus Zhou 1974 | urn:lsid:organismnames.com:name:237576 |
| †Protoryctocephalus Zhou in Lu et al 1974 | urn:lsid:organismnames.com:name:5230748 |
...
| †Protoryctocephalus Zhou 1974 | urn:lsid:organismnames.com:name:237576 |
| †Protoryctocephalus Zhou in Lu et al 1974 | urn:lsid:organismnames.com:name:5230748 |