About the Authors

Xiaoyu Lu

Affiliation Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, 142 Xi Zhi Men Wai Street, Beijing, 100044, China

Xijun Ni

nixijun@ivpp.ac.cn

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, 142 Xi Zhi Men Wai Street, Beijing, 100044, China, CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, 100101, China

Lüzhou Li

Affiliation Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, 142 Xi Zhi Men Wai Street, Beijing, 100044, China

Qiang Li

Affiliations Key Laboratory of Vertebrate Evolution and Human Origins, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, 142 Xi Zhi Men Wai Street, Beijing, 100044, China, CAS Center for Excellence in Tibetan Plateau Earth Sciences, Beijing, 100101, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XN. Performed the experiments: XL XN. Analyzed the data: XN XL. Contributed reagents/materials/analysis tools: QL LL. Wrote the paper: XN XL.