Genus Platyhydnobius Peck & Cook
Platyhydnobius Peck & Cook, 2009: 51 . Type species: Hydnobius arizonensis Horn (orig. des.).
Key: to species in Peck & Cook, 2009: 51.
Distribution: Western U.S.A., across southern Canada, and Mexico and Central America.
Biology: Probably subterranean fungi feeders.