About the Authors

Ryosuke Motani

rmotani@ucdavis.edu

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

Cheng Ji

Affiliation Department of Geology and Geological Museum, Peking University, Beijing, China

Taketeru Tomita

Affiliations Department of Earth and Planetary Sciences, University of California Davis, Davis, California, United States of America, Hokkaido University Museum, Hakodate, Japan

Neil Kelley

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

Erin Maxwell

Affiliation Paläontologisches Institut und Museum, Universität Zürich, Zürich, Switzerland

Da-yong Jiang

Affiliation Department of Geology and Geological Museum, Peking University, Beijing, China

Paul Martin Sander

Affiliation Steinmann Institute, Division of Palaeontology, University of Bonn, Bonn, Germany

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RM CJ TT DJ. Performed the experiments: RM CJ TT NPK EM. Analyzed the data: RM. Contributed reagents/materials/analysis tools: RM DJ. Wrote the paper: RM. Manuscript revision: RM CJ TT NPK EM DJ PMS.