Reptilia - Ornithischia - Pachyrhinosauridae
Full reference: C. M. Sternberg. 1950. Pachyrhinosaurus canadensis, representing a new family of the Ceratopsia, from southern Alberta. National Museum of Canada Bulletin 118:109-120
Parent taxon: Ceratopsia according to O. W. M. Kuhn 1966
See also Charig 1967, Kuhn 1964, Langston 1967, Parsch 1963, Romer 1956, Romer 1966, Sternberg 1950 and Tatarinov 1964
Sister taxa: Albalophosaurus, Ceratopsidae, Chaoyangosauridae, Dysganus, Eoceratopsinae, Kulceratops, Kulceratops kulensis, Microceratus, Micropachycephalosaurus, Neoceratopsia, Notoceratops, Psittacosauridae, Psittacosauroidea, Psittacosaurus, Psittacosaurus sattayaraki, Serendipaceratops
Subtaxa: none
Ecology: ground dwelling herbivore
Distribution: there are no occurrences of Pachyrhinosauridae in the database