About the Authors

John P. Wilson

Affiliations Department of Earth Sciences, Montana State University, Bozeman, MT, 59717, United States of America, Department of Paleontology, Museum of the Rockies, Bozeman, MT, 59717, United States of America

D. Cary Woodruff

Affiliations Department of Earth Sciences, Montana State University, Bozeman, MT, 59717, United States of America, Department of Paleontology, Museum of the Rockies, Bozeman, MT, 59717, United States of America

Jacob D. Gardner

Affiliations Department of Earth Sciences, Montana State University, Bozeman, MT, 59717, United States of America, Department of Paleontology, Museum of the Rockies, Bozeman, MT, 59717, United States of America

Holley M. Flora

Affiliations Department of Earth Sciences, Montana State University, Bozeman, MT, 59717, United States of America, Department of Paleontology, Museum of the Rockies, Bozeman, MT, 59717, United States of America

John R. Horner

Affiliations Department of Earth Sciences, Montana State University, Bozeman, MT, 59717, United States of America, Department of Paleontology, Museum of the Rockies, Bozeman, MT, 59717, United States of America

Chris L. Organ

organ@montana.edu

Affiliations Department of Earth Sciences, Montana State University, Bozeman, MT, 59717, United States of America, Department of Paleontology, Museum of the Rockies, Bozeman, MT, 59717, United States of America, Department of Microbiology and Immunology, Montana State University, Bozeman, MT, 59717, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CLO JRH. Performed the experiments: JPW DCW JDG HMF CLO. Analyzed the data: JDG CLO. Contributed reagents/materials/analysis tools: CLO JRH. Wrote the paper: JPW DCW JDG HMF JRH CLO.