About the Authors

Xiao-hong Chen

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

Ryosuke Motani

rmotani@ucdavis.edu

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

Long Cheng

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

Da-yong Jiang

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

Olivier Rieppel

Affiliation Center of Integrative Research, The Field Museum, Chicago, Illinois, 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. Contributed to the writing of the manuscript: RM OR DJ. Fossil excavation: XC LC.