- Received July 15, 2016.
- Accepted September 9, 2016.
- Published online October 12, 2016.
Copyright & Usage
© 2016 The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
- 1Integrative Research and Ganz Family Collections Centers, Field Museum of Natural History, Chicago, IL 60605, USA
- 2University of California Museum of Paleontology, Berkeley, CA 94720, USA
- 3Division of Paleontology, American Museum of Natural History, New York, NY 10024, USA
- 4Department of Pathology and Anatomical Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY 14214, USA