Superfamily Pachynolophoidea Pavlow 1888 (odd-toed ungulate)
Parent taxon: Hippomorpha according to D. R. Prothero and R. M. Schoch 1989
Sister taxon: Indolophidae
Subtaxa: none
Ecology: ground dwelling browser-grazer
Distribution: there are no occurrences of Pachynolophoidea in the database