About the Authors

Andrew A. Farke

afarke@webb.org

Affiliation Raymond M. Alf Museum of Paleontology, Claremont, California, United States of America

Ewan D. S. Wolff

Affiliation Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, United States of America

Darren H. Tanke

Affiliation Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AAF. Performed the experiments: AAF. Analyzed the data: AAF. Wrote the paper: AAF EDSW DHT. Collected data: AAF EDSW DHT.