About the Authors

Run-Fu Wang

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Hai-Lu You

youhailu@ivpp.ac.cn

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, People's Republic of China

Shi-Chao Xu

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Suo-Zhu Wang

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Jian Yi

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Li-Juan Xie

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Lei Jia

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Ya-Xian Li

Affiliation Shanxi Museum of Geological and Mineral Science and Technology, Taiyuan, Shanxi Province, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RFW HLY. Analyzed the data: RFW HLY SCX SZW JY LJX YXL LJ. Wrote the paper: HLY. Performed the field work: SCX SZW JY LJX YXL LJ.