About the Authors

Sterling J. Nesbitt

nesbitt@jsg.utexas.edu

Affiliation Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas, United States of America

Daniel T. Ksepka

Affiliations Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina, United States of America, Department of Paleontology, North Carolina Museum of Natural Sciences, Raleigh, North Carolina, United States of America

Julia A. Clarke

Affiliation Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, Texas, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SJN DTK JAC. Performed the experiments: SJN DTK. Analyzed the data: SJN DTK JAC. Wrote the paper: SJN DTK JAC.