Contributed by Andrew Smith, September 2006
| Name gender | masculine |
|---|---|
| Type | Gonioclypeus subangulatus Emmons, 1858 (=Pygorhynchus mortonis Michelin, 1850, p. 240). |
| Classification and/or Status | Objective junior synonym of Hardouinia Haime in d\'Archiac & Haime, 1853. |
| Remarks | Emmons, E. 1858. Report of the North Carolina Geological Survey |