About the Authors

Michael D. D’Emic

Contributed equally to this work with: Michael D. D’Emic, John A. Whitlock

michael.demic@stonybrook.edu

Affiliation Anatomical Sciences Department, Stony Brook University, Health Sciences Center, School of Medicine, Stony Brook, New York, United States of America

John A. Whitlock

Contributed equally to this work with: Michael D. D’Emic, John A. Whitlock

Affiliation Science and Mathematics Department, Mount Aloysius College, Cresson, Pennsylvania, United States of America

Kathlyn M. Smith

Affiliation Department of Geology & Geography and Georgia Southern University Museum, Georgia Southern University, Statesboro, Georgia, United States of America

Daniel C. Fisher

Affiliation Museum of Paleontology and Department of Earth & Environmental Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Jeffrey A. Wilson

Affiliation Museum of Paleontology and Department of Earth & Environmental Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MDD J. A. Whitlock J. A. Wilson. Performed the experiments: MDD J. A. Whitlock KMS. Analyzed the data: MDD J. A. Whitlock KMS DCF J. A. Wilson. Contributed reagents/materials/analysis tools: MDD KMS DCF J. A. Wilson. Wrote the paper: MDD J. A. Whitlock KMS DCF J. A. Wilson.