About the Authors
- Sara J. Elliott
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Affiliation Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania, United States of America
- Peter Wilf
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* E-mail: pwilf@psu.edu
Affiliation Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania, United States of America
- Robert C. Walter
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Affiliation Department of Earth and Environment, Franklin and Marshall College, Lancaster, Pennsylvania, United States of America
- Dorothy J. Merritts
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Affiliation Department of Earth and Environment, Franklin and Marshall College, Lancaster, Pennsylvania, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: SJE PW. Performed the experiments: SJE. Analyzed the data: SJE PW. Contributed reagents/materials/analysis tools: SJE PW. Wrote the paper: SJE. Discovered fossil site and contributed substantially to data collection and interpretation: RCW DJM. Commented on and substantially edited manuscript: PW RCW DJM.