Name(s) in cluster
| Hydra circumcincta Schulze | urn:lsid:organismnames.com:name:1454613 |
| Hydra circumcincta Schulze 1915 | urn:lsid:organismnames.com:name:3482323 |
| Hydra circumcincta | urn:lsid:organismnames.com:name:471111 |
| Hydra circumcincta Schulze 1914 | urn:lsid:organismnames.com:name:764834 |
...