About the Authors

Jorge Velez-Juarbe

jvelezjuar@nhm.org

Affiliations Department of Mammalogy, Natural History Museum of Los Angeles County, Los Angeles, California, United States of America, John D. Cooper Archaeological and Paleontological Center, Department of Geological Sciences, California State University, Fullerton, California, United States of America

Aaron R. Wood

Affiliation Department of Geological and Atmospheric Sciences, Iowa State University, Ames, Iowa, United States of America

Carlos De Gracia

Affiliation Smithsonian Tropical Research Institute, Balboa-Ancon, Panama

Austin J. W. Hendy

Affiliation Department of Invertebrate Paleontology, Natural History Museum of Los Angeles County, Los Angeles, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JVJ. Performed the experiments: JVJ. Analyzed the data: JVJ ARW CDG AJWH. Wrote the paper: JVJ ARW CDG AJWH.