Name(s) in cluster
| †Hypagnostus brevifrons (Ang. ) | urn:lsid:organismnames.com:name:2399078 |
| †Hypagnostus brevifrons Ang. | urn:lsid:organismnames.com:name:2743445 |
| †Hypagnostus brevifrons (Angelin) | urn:lsid:organismnames.com:name:137746 |
| †Hypagnostus brevifrons | urn:lsid:organismnames.com:name:3104697 |
| †Hypagnostus brevifrons (Angelin 1851) | urn:lsid:organismnames.com:name:1067782 |
...