About the Authors

Jeffrey A. Wilson

wilsonja@umich.edu

Affiliation Museum of Paleontology & Department of Geological Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Claudia A. Marsicano

Affiliation Departamento de Ciencias Geológicas, Universidad de Buenos Aires, Buenos Aires, Argentina

Roger M. H. Smith

Affiliation Department of Karoo Paleontology, Iziko South African Museum, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JAW CAM RMHS. Performed the experiments: JAW CAM RMHS. Analyzed the data: JAW CAM RMHS. Contributed reagents/materials/analysis tools: JAW CAM RMHS. Wrote the paper: JAW CAM RMHS.