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| WikiPedia definition of "pachycephalosaur" |
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Candidates for the earliest known pachycephalosaur include Ferganocephale adenticulatum from the Middle Jurassic Period of what is now Kyrgyzstan and Stenopelix valdensis from the ...
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It possessed long hindlimbs and small forelimbs. Pachycephalosaurus is the largest known pachycephalosaur, measuring nearly 4.5–5 meters (15 –16 ft) in length and up to 2000 ...
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It is a relatively large pachycephalosaur, with the skull being about 46 centimeters long (18 in). Among North American pachycephalosaurs, only Pachycephalosaurus is larger.
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Stenopelix (meaning "narrow pelvis") was a genus of small ornithischian dinosaur from the Early Cretaceous of Germany. It was a basal pachycephalosaur from the Barremian Stage of ...
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This was the first report of a pachycephalosaur in the Southern Hemisphere. In 1993, scientists from the State University of New York at Stony Brook and the University of ...
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However, prior to the discovery of Dracorex, the only semi-flat-headed pachycephalosaur from North America was Stegoceras validum (inclusive of Ornatotholus browni).
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Sullivan, 2006, disputes the pachycephalosaur classification, fininding "few of the features [...] are characteristic of pachycephalosaur teeth," citing lack of serrations on the ...
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Other dinosaurs which shared its time period include Parasaurolophus cyrtocristatus, the pachycephalosaur Prenocephale, the armored dinosaur Nodocephalosaurus and possibly the ...
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Colepiocephale was a genus of pachycephalosaurid dinosaur. The type species, C. lambei, was originally described by Sternberg (in 1945 as Stegoceras lambei), and later renamed by ...
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Ornatotholus is a genus of pachycephalosaur dinosaur from southern Alberta. Prior to the discovery of D. hogwartsia in South Dakota, it was the only known North American ...
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