About the Authors

Michael P. Donovan

mpd187@psu.edu

Affiliation Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania, United States of America

Peter Wilf

Affiliation Department of Geosciences, Pennsylvania State University, University Park, Pennsylvania, United States of America

Conrad C. Labandeira

Affiliations Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia, United States of America, Department of Entomology and BEES Program, University of Maryland, College Park, Maryland, United States of America

Kirk R. Johnson

Affiliation National Museum of Natural History, Smithsonian Institution, Washington, District of Columbia, United States of America

Daniel J. Peppe

Affiliation Department of Geology, Baylor University, Waco, Texas, United States of America

Competing Interests

Co-author PW is an editor for PLOS ONE. This does not alter the authors' adherence to PLOS ONE Editorial policies and criteria.

Author Contributions

Conceived and designed the experiments: MPD PW. Performed the experiments: MPD. Analyzed the data: MPD. Wrote the paper: MPD. Contributed substantially to data interpretation: MPD PW CCL KRJ DJP. Commented on and substantially contributed to the manuscript: PW CCL KRJ DJP.