About the Authors
- Joseph J. W. Sertich
- Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York, United States of America
- Mark A. Loewen
- Utah Museum of Natural History, Salt Lake City, Utah, United States of America
The authors have declared that no competing interests exist.
Analyzed the data: JJWS MAL. Wrote the paper: JJWS MAL.