About the Authors

Xiao-hong Chen

Affiliation Wuhan Centre of China Geological Survey, Wuhan, Hubei 430023, P. R. China

Ryosuke Motani

rmotani@ucdavis.edu

Affiliation Department of Earth and Planetary Sciences, University of California Davis, Davis, California 95616, United States of America

Long Cheng

Affiliation Wuhan Centre of China Geological Survey, Wuhan, Hubei 430023, P. R. China

Da-yong Jiang

Affiliation Laboratory of Orogenic Belt and Crustal Evolution, MOE, Department of Geology and Geological Museum, Peking University, Yiheyuan Str. 5, Beijing 100871, P.R. China

Olivier Rieppel

Affiliation Center of Integrative Research, The Field Museum, Chicago, Illinois 60605–2496, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XC RM LC DJ OR. Performed the experiments: RM. Analyzed the data: RM. Wrote the paper: RM OR DJ. Fossil excavation: XC LC.