About the Authors

Andrew A. Farke

afarke@webb.org

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

Joseph J. W. Sertich

Affiliation Department of Earth Sciences, Denver Museum of Nature and Science, Denver, Colorado, United States of America

Competing Interests

Senior author Andrew A. Farke is a volunteer section editor (paleontology) and academic editor for PLOS ONE. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AAF JJWS. Performed the experiments: AAF JJWS. Analyzed the data: AAF JJWS. Contributed reagents/materials/analysis tools: AAF JJWS. Wrote the paper: AAF JJWS.