| Order |
Eugeneodontiformes ZANGERL, 1981 |
| Family | Edestidae JAEKEL, 1899 |
| Genus | Edestus LEIDY, 1855 |
| Edestus giganteus NEWBERRY, 1888: Pennsylvanian, Base of the Anna Shale Formation at the Contact with the underlying Herrin #6 Coal Seam of the Carbondale Group (Mazon Creek Fauna) Baldwin Mine, Sparta, Illinois |
| 37.0 cm W |
| Edestus heinrichi: Pennsylvanian, Baldwin Mine, Sparta, Illinois |
| 14.8 cm W |
