Pachycephalosaurus Arthropleura paleontologists have reconstructed the appearance

paleontologists have reconstructed the appearance and behavior of this powerful predator

The partially known skull of Deinocheirus showed a crest on top

this armored fish is now believed to have been of a more moderate size

Although Therizinosaurus had a similar appearance to carnivorous theropods

It shared this ecosystem with other large dinosaurs

Pachycephalosaurus Arthropleura paleontologists have reconstructed the appearancePachycephalosaurus (P. wyomingensis `Thick headed Lizard) was a browsing herbivorous 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 was probably used in fights for dominance between males. Pachycephalosaurus was around 5 meters long, 2. 5 meters tall and weighed around 2,000 kilograms, and although its exact diet is