Name(s) in cluster
| Arion circumscriptus Johnston 1828 | urn:lsid:organismnames.com:name:2120658 |
| Arion circumscriptus Johnston | urn:lsid:organismnames.com:name:217617 |
| Arion circumscriptus Johnson | urn:lsid:organismnames.com:name:2791275 |
| Arion circumscriptus Johnst. | urn:lsid:organismnames.com:name:3412199 |
| Arion circumscriptus | urn:lsid:organismnames.com:name:96581 |
...