About the Authors

Phil Senter

psenter@uncfsu.edu

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

James I. Kirkland

Affiliation Utah Geological Survey, Salt Lake City, Utah, United States of America

John Bird

Affiliation College of Eastern Utah Prehistoric Museum, Price, Utah, United States of America

Jeff A. Bartlett

Affiliation College of Eastern Utah, Price, Utah, United States of America

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.