About the Authors

Phil Senter
Department of Biological Sciences, Fayetteville State University, Fayetteville, North Carolina, United States of America

James I. Kirkland
Utah Geological Survey, Salt Lake City, Utah, United States of America

John Bird
College of Eastern Utah Prehistoric Museum, Price, Utah, United States of America

Jeff A. Bartlett
College of Eastern Utah, Price, Utah, United States of America

Corresponding Author

psenter@uncfsu.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: PS. Wrote the paper: PS JK. Performed field work: JK. Performed lab work: JB JAB.