About the Authors

Akinobu Watanabe

awatanabe@amnh.org

Affiliations Division of Paleontology, American Museum of Natural History, New York, New York, United States of America, Richard Gilder Graduate School, American Museum of Natural History, New York, New York, United States of America

Maria Eugenia Leone Gold

Affiliations Division of Paleontology, American Museum of Natural History, New York, New York, United States of America, Richard Gilder Graduate School, American Museum of Natural History, New York, New York, United States of America

Stephen L. Brusatte

Affiliation School of GeoSciences, University of Edinburgh, Scotland, United Kingdom

Roger B. J. Benson

Affiliations Department of Earth Sciences, University of Oxford, Oxford, United Kingdom, Evolutionary Studies Institute and DST/NRF Centre of Excellence in Palaeosciences, University of the Witwatersrand, Johannesburg, South Africa

Jonah Choiniere

Affiliation Evolutionary Studies Institute and DST/NRF Centre of Excellence in Palaeosciences, University of the Witwatersrand, Johannesburg, South Africa

Amy Davidson

Affiliation Division of Paleontology, American Museum of Natural History, New York, New York, United States of America

Mark A. Norell

Affiliations Division of Paleontology, American Museum of Natural History, New York, New York, United States of America, Richard Gilder Graduate School, American Museum of Natural History, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AW MELG SLB RBJB JC. Performed the experiments: AW MELG AD. Analyzed the data: AW MELG SLB RBJB JC. Contributed reagents/materials/analysis tools: MAN. Wrote the paper: AW MELG SLB RBJB JC AD MAN.