About the Authors

Roxanne J. Larsen

roxy.larsen@duke.edu

Current address: Department of Evolutionary Anthropology, Duke University, Durham, North Carolina, United States of America

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Michelle C. Knapp

† Deceased.

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Hugh H. Genoways

Affiliation University of Nebraska State Museum, Lincoln, Nebraska, United States of America

Faisal Ali Anwarali Khan

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Peter A. Larsen

Current address: Department of Biology, Duke University, Durham, North Carolina, United States of America

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Don E. Wilson

Affiliation National Museum of Natural History, Smithsonian Institution, Washington, D. C., United States of America

Robert J. Baker

Affiliation Department of Biological Sciences, Texas Tech University, Lubbock, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MCK HHG DEW RJB. Performed the experiments: RJL MCK FAAK. Analyzed the data: RJL PAL FAAK. Contributed reagents/materials/analysis tools: HHG RJB. Wrote the paper: RJL HHG PAL FAAK RJB.