About the Authors

Thomas G. Kaye

tomkaye@u.washington.edu

Affiliation Burke Museum of Natural History and Culture, Seattle, Washington, United States of America

Amanda R. Falk

Affiliation Southwestern Oklahoma State University, Department of Biology, Weatherford, Oklahoma, United States of America

Michael Pittman

Affiliation Vertebrate Palaeontology Laboratory, Department of Earth Sciences, University of Hong Kong, Pokfulam, Hong Kong, China

Paul C. Sereno

Affiliation Department of Organismal Biology and Anatomy, University of Chicago, Chicago, Illinois, United States of America

Larry D. Martin

† Deceased.

Affiliation Division of Vertebrate Paleontology, Biodiversity Institute, Natural History Museum, University of Kansas, Lawrence, Kansas, United States of America

David A. Burnham

Affiliation Division of Vertebrate Paleontology, Biodiversity Institute, Natural History Museum, University of Kansas, Lawrence, Kansas, United States of America

Enpu Gong

Affiliation Department of Geology, Northeastern University, Shenyang, Liaoning, China

Xing Xu

Affiliation Institute of Vertebrate Paleontology and Paleoanthropology, Beijing, China

Yinan Wang

Affiliation 1111 Army Navy Drive, Arlington, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TGK. Performed the experiments: TGK ARF MP. Analyzed the data: TGK ARF MP PS LM DAB XX. Contributed reagents/materials/analysis tools: TK ARF LM DAB PS EG XX YW. Wrote the paper: TGK ARF MP.