According to wiki, the Parasaurolophus is a genus of ornithopod dinosaur from the Late Cretaceous Period of what is now North America, about 76-73 million years ago. It was a herbivore that walked both as a biped and a quadruped. Three species are recognized: P. walkeri (the type species), P. tubicen, and the short-crested P. cyrtocristatus. Remains are known from Alberta (Canada), and New Mexico and Utah (USA). It was first described in 1922 by William Parks from a skull and partial skeleton in Alberta.Parasaurolophus Papercraft
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