About the Authors

Victor D. Thompson

Contributed equally to this work with: Victor D. Thompson, William H. Marquardt

vdthom@uga.edu

Affiliation Center for Archaeological Sciences and Department of Anthropology, University of Georgia, Athens, Georgia, United States of America

William H. Marquardt

Contributed equally to this work with: Victor D. Thompson, William H. Marquardt

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

Alexander Cherkinsky

‡ These authors also contributed equally to this work.

Affiliation Center for Applied Isotope Studies, University of Georgia, Athens, Georgia, United States of America

Amanda D. Roberts Thompson

‡ These authors also contributed equally to this work.

Affiliation Laboratory of Archaeology, University of Georgia, Athens, Georgia, United States of America

Karen J. Walker

‡ These authors also contributed equally to this work.

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

Lee A. Newsom

‡ These authors also contributed equally to this work.

Affiliation Department of Anthropology, Pennsylvania State University, State College, Pennsylvania, United States of America

Michael Savarese

‡ These authors also contributed equally to this work.

Affiliation Department of Marine and Ecological Science, Florida Gulf Coast University, Ft. Myers, Florida, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VDT WHM ART KJW AC LAN MS. Performed the experiments: VDT ART LAN AC. Analyzed the data: VDT WHM KJW ART AC LAN. Contributed reagents/materials/analysis tools: VDT WHM KJW AC LAN MS. Wrote the paper: VDT WHM ART KJW AC LAN MS.