Name(s) in cluster
| †Gymnotoceras Hyatt | urn:lsid:organismnames.com:name:1455122 |
| †Gymnotoceras | urn:lsid:organismnames.com:name:511201 |
| †Gymnotoceras Hyatt 1877 | urn:lsid:organismnames.com:name:295620 |
...
| †Gymnotoceras Hyatt | urn:lsid:organismnames.com:name:1455122 |
| †Gymnotoceras | urn:lsid:organismnames.com:name:511201 |
| †Gymnotoceras Hyatt 1877 | urn:lsid:organismnames.com:name:295620 |