The earliest ceratopsian from the Tuchengzi Formation of Liaoning, China

X. Zhao, Z. Cheng, and X. Xu

1999

Article

Journal of Vertebrate Paleontology 19(4):681-697

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Taxa discussed in this work:

• Chaoyangsaurus
• Chaoyangsaurus youngi

Taxonomy:

• Chaoyangosaurus belongs to Chaoyangsaurus - Zhao et al. (1999)
• Chaoyangosaurus liaosiensis belongs to Chaoyangsaurus youngi - Zhao et al. (1999)