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†unranked clade Pachycephalosaurini Sullivan 2003 (ornithischian)

Reptilia - Neornithischia - Pachycephalosauridae

PaleoDB taxon number: 67697

Full reference: R. M. Sullivan. 2003. Revision of the dinosaur Stegoceras Lambe (Ornithischia, Pachycephalosauridae). Journal of Vertebrate Paleontology 23(1):181-207

Parent taxon: Pachycephalosauridae according to R. M. Sullivan 2006

Sister taxa: Acrotholus, Amtocephale, Colepiocephale, Gravitholus, Hanssuesia, Pachycephalosaurinae, Prenocephale, Stegoceras, Texacephale, Troodon bexelli, Tylocephale, Domocephalinae

Subtaxa: Alaskacephale, Pachycephalosaurus

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Ecology: ground dwelling herbivore