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Pachyrhinosaurus

Pachyrhinosaurus (meaning “Thick-Nosed Lizard”) is a genus of centrosaurine dinosaur to the tribe pachyrhinosaurini and clade pachyrostra from the Late Cretaceous of Canada and the US. The type species was described in 1950 as Pachyrhinosaurus canadensis, described by Charles Sternberg. In 2008, a second species, P. lakustai, was described by Currie, Langston, and Tanke. The […]

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