After Sereno & Chao, 1988, Sereno et al., 1988, and Sereno, 1990, 2000
†Psittacosaurus Osborn, 1923
†Protiguanodon Osborn, 1923
†Psittacosaurus mongoliensis Osborn, 1923
†Psittacosaurus mongoliensis Osborn, 1923
†Protiguanodon mongoliensis Osborn, 1923
†Psittacosaurus guyangensis Cheng, 1983
†Psittacosaurus osborni Young, 1931
†Psittacosaurus protiguandonensis Young, 1958
†Psittacosaurus tingi Young, 1931
†Psittacosaurus youngi Chao, 1962
†Psittacosaurus meileyingensis Sereno, Chao, Cheng & Rao, 1988
†Psittacosaurus sinensis Young, 1958a
†Psittacosaurus xinjiangensis Sereno & Chao, 1988
†Psittacosaurus neimongoliensis
†Psittacosaurus ordosensis
†Psittacosaurus sibiricus Voronkevich & Averianov, 2000
†Psittacosaurus lujiatunensis Zhou, Gao, Fox & Chen, 2006
Psittacosauria incertae sedis:
†Psittacosaurus sattayaraki Buffetaut & Suteenthorn, 1992 [nomen dubium]
†Psittacosaurus mazongshanensis Xu, 1997
Reference(s):
- Sereno, P. C., 1990: Psittacosauria. 579-592
in Weishampel, D. B., Dodson, P., & Osmólska, H. (eds.), 1990: The Dinosauria.
–University of California Press, Berkley, Los Angeles, Oxford, 1990 xvi-733 - Sereno, P. C., 2000: The fossil record, systematics and evolution of pachycephalosaurs and ceratopsians from Asia. 480-516
in Benton, M. J., Shishkin, M. A., Unvin, D. M. & Kurochkin, E. N., (eds.) 2000: The Age of Dinosaurs in Russia and Mongolia.
–Cambridge University Press, Cambridge, xxxix-696 - Sereno, P. C. & Chao, S., 1988: Psittacosaurus xinjiangensis (Ornithischia: Ceratopsia), a new psittacosaur from the Lower Cretaceous of Northwestern China.
–Journal of Vertebrate Paleontology: Vol. 8, #4, pp. 353-365 - Sereno, P. C., Chao, S., Cheng, Z. & Rao, C., 1988: Psittacosaurus meileyingensis (Ornithischia: Ceratopsia), a new psittacosaur from the Lower Cretaceous of Northeastern China.
–Journal of Vertebrate Paleontology: Vol. 8, #4, pp. 366-377 - Zhou, C.-F., Gao, K.-Q., Fox, R. C. & Chen, S.-H., 2006: A new species of Psittacosaurus (Dinosauria: Ceratopsia) from the Early Cretaceous Yixian Formation, Liaoning, China.
–Palaeoworld: Vol. 15, pp. 100-114