Name(s) in cluster
| †Petrolacosaurus kansensis Lane | urn:lsid:organismnames.com:name:2077209 |
| †Petrolacosaurus kansensis Lane 1945 | urn:lsid:organismnames.com:name:307553 |
| †Petrolacosaurus kansensis | urn:lsid:organismnames.com:name:2949337 |
...
| †Petrolacosaurus kansensis Lane | urn:lsid:organismnames.com:name:2077209 |
| †Petrolacosaurus kansensis Lane 1945 | urn:lsid:organismnames.com:name:307553 |
| †Petrolacosaurus kansensis | urn:lsid:organismnames.com:name:2949337 |