Psittacosaurus was a Cretaceous Ceratopsid Psittacosaurus (pronounced SIT-ah-co-SAWR-us) was a primitive Ceratopsid that lived 130-100 million years ago in the Early Cretaceous period. Although it is related to the better-known Triceratops, one wouldn’t know it by appearance. Psittacosaurus was a small bipedal dinosaur that was a fraction of the size of some of its larger […]

