About the Authors

Heather F. Smith

hsmith@midwestern.edu

Affiliations Department of Anatomy, Midwestern University, Glendale, AZ, United States of America, College of Veterinary Medicine, Midwestern University, Glendale, AZ, United States of America, School of Human Evolution and Social Change, Arizona State University, Tempe, AZ, United States of America

J. Howard Hutchison

Affiliation University of California Museum of Paleontology, University of California Berkeley, Berkeley, CA, United States of America

K. E. Beth Townsend

Affiliations Department of Anatomy, Midwestern University, Glendale, AZ, United States of America, College of Veterinary Medicine, Midwestern University, Glendale, AZ, United States of America

Brent Adrian

Affiliation Department of Anatomy, Midwestern University, Glendale, AZ, United States of America

Daniel Jager

Affiliation Department of Anatomy, Midwestern University, Glendale, AZ, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: HFS JHH BA. Data curation: HFS BA DJ. Formal analysis: HFS JHH. Funding acquisition: HFS KET. Investigation: HFS. Methodology: HFS. Project administration: HFS KET. Resources: HFS KET. Supervision: HFS KET. Validation: HFS JHH BA. Visualization: HFS BA. Writing – original draft: HFS JHH KET. Writing – review & editing: HFS JHH KET BA DJ.