About the Authors

Liping Dong

marie.donglp@gmail.com

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

Zbyněk Roček

Affiliation Institute of Geology, Department of Palaeobiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic

Yuan Wang

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

Marc E H. Jones

Affiliation Research Department of Cell and Developmental Biology, University College London, London, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: LD YW. Wrote the paper: LD. Examined the specimens: LD ZR YW MEHJ. Constructed figures: LD MEHJ. Contributed significantly to editing/revision of the submitted manuscript: ZR MEHJ YW.