Name(s) in cluster
| †Thecostegites Edwards & Haime 1849 | urn:lsid:organismnames.com:name:4894125 |
| †Thecostegites Milne-Edwards & Haime 1849 | urn:lsid:organismnames.com:name:811410 |
| †Thecostegites | urn:lsid:organismnames.com:name:10642 |
...
| †Thecostegites Edwards & Haime 1849 | urn:lsid:organismnames.com:name:4894125 |
| †Thecostegites Milne-Edwards & Haime 1849 | urn:lsid:organismnames.com:name:811410 |
| †Thecostegites | urn:lsid:organismnames.com:name:10642 |