Name(s) in cluster
| Protocapitella simplex Berkeley | urn:lsid:organismnames.com:name:2857060 |
| Protocapitella simplex Berk. & Berk | urn:lsid:organismnames.com:name:2939648 |
| Protocapitella simplex Berkeley & Berkeley 1932 | urn:lsid:organismnames.com:name:610870 |
...