Name(s) in cluster
| †Prismocyathus Fonin | urn:lsid:organismnames.com:name:2485843 |
| †Prismocyathus Fonin 1960 | urn:lsid:organismnames.com:name:2663514 |
...
| †Prismocyathus Fonin | urn:lsid:organismnames.com:name:2485843 |
| †Prismocyathus Fonin 1960 | urn:lsid:organismnames.com:name:2663514 |