Tribe Passalini Leach 1815 (bess beetle)
Insecta - Coleoptera - Passalidae
Full reference: W. E. Leach. 1815. Entomology. The Edinburgh Encyclopaedia 9:57-172
Parent taxon: Passalinae according to P. Bouchard et al. 2011
See also Reyes-Castillo 1977
Sister taxa: Macrolinini, Protopassalini
Subtaxa: Passalus
Type: Passalus
Ecology:
Distribution: found only at UCMP P-3748, 11 miles east of Post (Oligocene of Oregon)