About the Authors

Hai Xing

xinghaiivpp@gmail.com

Affiliations College of Earth Sciences and Resources, China University of Geosciences, Beijing, China, Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Paleobiology, Canadian Museum of Nature, Ottawa, Ontario, Canada

Deyou Wang

Affiliation Henan Academy of Land and Resources Sciences, Zhengzhou, Henan, China

Fenglu Han

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

Corwin Sullivan

Affiliation Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China

Qingyu Ma

Affiliation School of Earth Sciences, University of Bristol, Bristol, United Kingdom

Yiming He

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China, Graduate University of Chinese Academy of Sciences, Beijing, China

David W. E. Hone

Affiliation School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom

Ronghao Yan

Affiliation Xixia Museum of Dinosaur Fossil Eggs of China, Xixia, Henan, China

Fuming Du

Affiliation Xixia Museum of Dinosaur Fossil Eggs of China, Xixia, Henan, China

Xing Xu

Affiliation Key Laboratory of Vertebrate Evolution and Human Origins of Chinese Academy of Sciences, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DW XX HX. Performed the experiments: HX FH CS. Analyzed the data: HX DW FH CS. Contributed reagents/materials/analysis tools: HX DW FH CS QM YH DWEH RY FD XX. Wrote the paper: HX DW.