About the Authors

Claudia A. Marsicano

claumar@gl.fcen.uba.ar

Affiliation Departamento de Ciencias Geológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina

Jeffrey A. Wilson

Affiliation Museum of Paleontology and Department of Earth and Environmental Sciences, University of Michigan, Ann Arbor, Michigan, United States of America

Roger M. H. Smith

Affiliations Department of Karoo Paleontology, Iziko South African Museum, Cape Town, South Africa, Department of Geological Sciences, University of Cape Town, Cape Town, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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