About the Authors

Xing Xu

xingxu@vip.sina.com

Affiliation Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China

Kebai Wang

Affiliation Zhucheng Dinosaur Museum, Bureau of Tourism, Zhucheng, Shandong, China

Xijin Zhao

Affiliation Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China

Corwin Sullivan

Affiliation Key Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China

Shuqing Chen

Affiliation Zhucheng Dinosaur Museum, Bureau of Tourism, Zhucheng, Shandong, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: XX XZ CS SC. Contributed reagents/materials/analysis tools: KW SC. Wrote the paper: XX CS. Management: KW.