Psittacosaurus
Psittacosaurus is a genus of extinct ceratopsian dinosaur from the Early Cretaceous of what is now Asia. Up to 12 species are known, from across China, Mongolia, Siberia, and possibly Thailand and Laos. The best-known species, P. mongoliensis, can reach 2metres in length. Psittacosaurs were obligate bipeds at adulthood, with a high skull and a robust beak.