Pachycephalosaurus wyomingensis Variant:Unprimed elongated crest that extended from

elongated crest that extended from the top of its skull

de donde proviene su nombre de especie

in the Oxfordian

which is one of the ages of the Triassic period

Pachycephalosaurus wyomingensis Variant:Unprimed elongated crest that extended fromPachycephalosaurus (P. wyomingensis 'Thick headed lizard') was a herbivorous browsing dinosaur that lived during the late Cretaceous period, approximately 70 million years ago. It was a bipedal dinosaur with a large, rounded skull, with a thick cranial vault that it probably used in dominance fights between males. Pachycephalosaurus measured around 5 meters long, 2. 5 meters high and weighed around 2000 kilograms and although its exact diet is