†superfamily Pachycephalosauroidea Zhao 1983 (ornithischian)
Full reference: X. Zhao. 1983. Phylogeny and evolutionary stages of Dinosauria. Acta Palaeontologica Polonica 28(1-2):295-306
Parent taxon: Pachycephalosauria according to X. Zhao 1983
Sister taxa: Eupachycephalosauria, Goyocephale, Goyocephalia, Homalocephalidae, Pachycephalosauridae, Qiyunshanpus, Tianchungosauroidea, Tianyulong, Wannanosaurus
Subtaxa: none
Ecology: ground dwelling herbivore
Distribution: there are no occurrences of Pachycephalosauroidea in the database