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Pachycephalosaurus Brown and Schlaikjer 1943 (ornithischian)

Reptilia - Neornithischia - Pachycephalosauridae

PaleoDB taxon number: 38786

Synonyms: Dracorex Bakker et al. 2006 (no. 90168), Stenotholus Giffin et al. 1988 (no. 53214), Stygimoloch Galton and Sues 1983 (no. 38788), Tylosteus Leidy 1872 (no. 56578)

Full reference: B. Brown and E. M. Schlaikjer. 1943. A study of the tro÷dont dinosaurs with the description of a new genus and four new species. Bulletin of the American Museum of Natural History 82(5):115-150

Parent taxon: Pachycephalosaurini according to M. B. Goodwin and D. C. Evans 2016

Sister taxon: Alaskacephale

Subtaxa: Pachycephalosaurus wyomingensis

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Ecology: ground dwelling herbivore