Name(s) in cluster
| †Nixonella Lochman in Lochman & Duncan 1944 | urn:lsid:organismnames.com:name:729282 |
| †Nixonella Lochman & Duncan 1944 | urn:lsid:organismnames.com:name:3052304 |
| †Nixonella Lochman 1944 | urn:lsid:organismnames.com:name:2851285 |
| †Nixonella | urn:lsid:organismnames.com:name:2850611 |
...