Pachycephalosaurus Brown and Schlaikjer 1943 (ornithischian)

Reptilia - Neornithischia - Pachycephalosauridae

Synonyms: Dracorex Bakker et al. 2006, Stenotholus Giffin et al. 1988, Stygimoloch Galton and Sues 1983, Tylosteus Leidy 1872

Full reference: B. Brown and E. M. Schlaikjer. 1943. A study of the troƶdont 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

See also Bakker et al. 2006, Bonaparte 1978, Breithaupt 1985, Brown and Schlaikjer 1943, Butler et al. 2008, Carroll 1988, Clemens 1986, Dodson 1983, Dong 1978, Eberth 1997, Eberth et al. 2001, Estes 1964, Galton 1974, Galton and Sues 1983, Giffin et al. 1988, Goodwin et al. 1998, Kuhn 1964, Maryanska 1990, Maryanska et al. 2004, Maryanska and Osmolska 1974, McIntosh 1981, Ostrom 1965, Romer 1956, Romer 1966, Russell 1984, Russell 1987, Schott et al. 2009, Sereno 1986, Sereno 1997, Sereno 1998, Sereno 1999, Sereno 2000, Sues 1997, Sues and Galton 1987, Sullivan 2003, Sullivan 2006, Swinton 1970, Tatarinov 1964, Thulborn 1974, Wall and Galton 1979, Williamson and Carr 2003, Williamson and Carr 2006, Williamson et al. 2009 and Zittel 1890

Sister taxon: Alaskacephale

Subtaxa: Pachycephalosaurus wyomingensis

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Ecology: ground dwelling herbivore

Distribution:

• Cretaceous of Canada (3: Alberta collections), United States (26: Colorado, Montana, North Dakota, South Dakota, Wyoming)

Total: 29 collections including 30 occurrences

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Specimen images are retrieved through the ePANDDA API.


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