Name(s) in cluster
| Omalium Grav. | urn:lsid:organismnames.com:name:2773924 |
| Omalium Gr. | urn:lsid:organismnames.com:name:3988203 |
| Omalium Gravenhorst | urn:lsid:organismnames.com:name:501273 |
| Omalium Gravenhorst 1802 | urn:lsid:organismnames.com:name:536373 |
...