Redescription of the skull and mandible of Parksosaurus from the Late Cretaceous, with comments on the family Hypsilophodontidae (Ornithischia) Galton, Peter M. creator Royal Ontario Museum. contributor text book Toronto Royal Ontario Museum 1973 1973
print
ENG Cretaceous Hypsilophodontidae Paleontology Parksosaurus QE862.O65 .T65 no. 89 574/.08 s Life sciences contributions, no. 89 https://www.biodiversitylibrary.org/bibliography/52098 1043915 74193555 10.5962/bhl.title.52098