About the Authors

Elena R. Schroeter

Affiliation Department of Biology, Drexel University, Philadelphia, Pennsylvania, United States of America

Victoria M. Egerton

Affiliation School of Earth, Atmospheric and Environmental Sciences, University of Manchester, Manchester, United Kingdom

Lucio M. Ibiricu

Affiliation Laboratorio de Paleontología, Centro Nacional Patagónico–Consejo Nacional de Investigaciones Científicas Y Técnicas, Puerto Madryn, Chubut, Argentina

Kenneth J. Lacovara

lacovara@drexel.edu

Affiliation Department of Biodiversity, Earth and Environmental Science, Drexel University, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ERS. Performed the experiments: ERS. Analyzed the data: ERS. Contributed reagents/materials/analysis tools: KJL. Wrote the paper: ERS VME LMI KJL.