Name(s) in cluster
| Petalograptus Suess 1851 | urn:lsid:organismnames.com:name:1030179 |
| Petalograptus | urn:lsid:organismnames.com:name:2390038 |
| Petalograptus Suess 1881 | urn:lsid:organismnames.com:name:504200 |
| Petalograptus Suess 1951 | urn:lsid:organismnames.com:name:642536 |
...