About the Authors
Museum of Paleontology and Department of Geological Sciences, University of Michigan, Ann Arbor, Michigan, United States of America
Geological Survey of India (Central Region), Palaeontology Division, Nagpur, India
Department of Geology and Geophysics, University of Wisconsin-Madison, Madison, Wisconsin, United States of America
Department of Biology, University of Toronto, Mississauga, Mississauga, Ontario, Canada
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: JAW DMM SEP JJH. Performed the experiments: JAW DMM SEP JJH. Analyzed the data: JAW DMM SEP JJH. Contributed reagents/materials/analysis tools: JAW DMM SEP JJH. Wrote the paper: JAW DMM SEP JJH.