Pachycephalosauria
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Pachycephalosauria is a clade of ornithischian dinosaurs. Along with Ceratopsia, it makes up the clade Marginocephalia. Pachycephalosaurs lived exclusively in the Northern Hemisphere during the Cretac
Pachycephalosauria Diversity
Life restoration of Wannanosaurus (basal member)
Restoration of Homalocephale in its paleoenvironment
Pachycephalosaurus
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Pachycephalosaurus is a genus of pachycephalosaurid ornithischian dinosaur. The type species, P. wyomingensis, is the only known definitive species. It was among the last species of non-avian dinosaur
Pachycephalosauria
…relative to other dinosaurs. They were fairly small dinosaurs, with most falling in the range of 2–3 meters (6.6–9.8 feet) in length and the largest, Pachycephalosaurus wyomingensis, estimated to measure 4.5 meters (14.8 feet) long and weigh 450 kilograms (990 pounds). The characteristic skull of pachycephalosaurs is a result of…
Pachycephalosaurus wyomingensis ROM
Holotype of P. wyomingensis
Skull of AMNH FARB 1696
Illustration of Pachycephalosaurus wyomingensis