About the Authors

Alida M. Bailleul

bailleula@missouri.edu

Current address: Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, Missouri, United States of America

Affiliation Museum of the Rockies and Department of Earth Sciences, Montana State University, Bozeman, Montana, United States of America

John B. Scannella

Affiliation Museum of the Rockies and Department of Earth Sciences, Montana State University, Bozeman, Montana, United States of America

John R. Horner

Affiliation Museum of the Rockies and Department of Earth Sciences, Montana State University, Bozeman, Montana, United States of America

David C. Evans

Affiliation Royal Ontario Museum and Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AMB JRH. Performed the experiments: AMB JBS. Analyzed the data: AMB JBS. Contributed reagents/materials/analysis tools: JRH DCE. Wrote the paper: AMB JBS. Commented on the paper and discussed implications of the results: JRH DCE.