About the Authors
- Kenneth Carpenter
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* E-mail: Ken.Carpenter@ceu.edu
Affiliations Prehistoric Museum, Utah State University – Eastern, Price, Utah, United States of America, Geology Section, University of Colorado Museum, Boulder, Colorado, United States of America
- Tony DiCroce
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Affiliation Denver Museum of Nature and Science, Denver, Colorado, United States of America
- Billy Kinneer
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Affiliation Denver Museum of Nature and Science, Denver, Colorado, United States of America
- Robert Simon
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Affiliation Dinosaur Safaris Inc., Ashland, Virginia, United States of America
Competing Interests
Robert Simon is affiliated with the business Dinosaur Safaris Inc., Kenneth Carpenter gets a salary from Utah State University, and Billy Kinneer and Tony DiCroce have retirement pensions. There are no patents, products in development or marketed products to declare because this is a manuscript on vertebrate fossils. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.
Author Contributions
Conceived and designed the experiments: KC. Performed the experiments: TD BK. Contributed reagents/materials/analysis tools: RS. Wrote the paper: KC.