About the Authors

Judith Nagel-Myers

Contributed equally to this work with: Judith Nagel-Myers, Gregory P. Dietl

jn226@cornell.edu

Affiliation Paleontological Research Institution, Ithaca, New York, United States of America

Gregory P. Dietl

Contributed equally to this work with: Judith Nagel-Myers, Gregory P. Dietl

Affiliations Paleontological Research Institution, Ithaca, New York, United States of America, Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, New York, United States of America

John C. Handley

Affiliation Paleontological Research Institution, Ithaca, New York, United States of America

Carlton E. Brett

Affiliation Department of Geology, University of Cincinnati, Cincinnati, Ohio, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JNM GPD. Analyzed the data: JNM GPD JCH. Wrote the paper: JNM GPD JCH CEB. Collected samples and data: JNM GPD CEB.