Name(s) in cluster
| †Prototomus Cope | urn:lsid:organismnames.com:name:2533448 |
| †Prototomus Cope 1874 | urn:lsid:organismnames.com:name:5110814 |
| †Prototomus | urn:lsid:organismnames.com:name:552594 |
| †Prototomus Cope 1877 | urn:lsid:organismnames.com:name:814350 |
...