About the Authors

Michael Xavier Kirby

mkirby@flmnh.ufl.edu

Affiliation Center for Tropical Paleoecology and Archaeology, Smithsonian Tropical Research Institute, Balboa, Republic of Panama

Douglas S. Jones

Affiliation Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States of America

Bruce J. MacFadden

Affiliation Florida Museum of Natural History, University of Florida, Gainesville, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MXK DSJ BJM. Performed the experiments: DSJ. Analyzed the data: MXK DSJ BJM. Contributed reagents/materials/analysis tools: DSJ. Wrote the paper: MXK.