Name(s) in cluster
| †Xenostegium Walcott 1924 | urn:lsid:organismnames.com:name:1074458 |
| †Xenostegium | urn:lsid:organismnames.com:name:2473745 |
| †Xenostegium Walcott | urn:lsid:organismnames.com:name:2547716 |
| †Xenostegium Walcott 1925 | urn:lsid:organismnames.com:name:2852231 |
...