This taxon is considered nomen dubium, species not entered
of the valid taxon Ornithopoda
according to the Paleobiology Database.
See the page for Ornithopoda →
Bibliography
Original description
P. M. Galton. 1973. Redescription of the skull and mandible of Parksosaurus from the Late Cretaceous with comments on the family Hypsilophodontidae (Ornithischia). Life Sciences Contribution, Royal Ontario Museum 89:1-21
DOI ↗