No reserve price! This is a fossil of childhood Psittacosaurus, and it can be seen from the photos that it was cleaned from the original rock but the tail is fake, please note. It is generally complete, the dinosaur is about 22 cm. Psittacosaurus is a very early ceratopsaurus dinosaur. They have developed many characteristics on their own, and they also have many of the same physiological and structural features as the later ceratops, such as protoceratops and elephant-sized triceratops.