Name(s) in cluster
| Ostertagia Ransom | urn:lsid:organismnames.com:name:2410956 |
| Ostertagia Ransom 1907 | urn:lsid:organismnames.com:name:244146 |
| Ostertagia Ranson 1907 | urn:lsid:organismnames.com:name:306689 |
| Ostertagia | urn:lsid:organismnames.com:name:7742 |
...