Cretaceous Peroid

Ornithischian Dinosaurs

What were the pachycephalosaurs like?

The pachycephalosaurs, or “thick-headed reptiles,” were bipedal dinosaurs with short forelimbs. Some scientists believe the animals’ thick skulls were used for head butting: the angle of the skull and backbone indicates that the animal’s normal posture was head down with the dome of the head forward.


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