Template:Zhao et al., 1999

• Zhao, X., Cheng, Z. & Xu, X. 1999. The earliest ceratopsian from the Tuchengzi Formation of Liaoning, China. Journal of Vertebrate Paleontology 19(4): 681–691. DOI: 10.1080/02724634.1999.10011181 JSTOR  
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Nomenclatural acts

• Date of publication: December 1999

New names

(List may be incomplete)

• Chaoyangsaurus gen. nov. [p. 681]
• Chaoyangsaurus youngi sp. nov. [p. 681]