About the Authors

Federico J. Degrange

fjdegrange@fcnym.unlp.edu.ar

Affiliation CONICET - División Paleontología Vertebrados, Facultad de Ciencias Naturales y Museo, Museo de La Plata, Universidad Nacional de La Plata, La Plata, Argentina

Claudia P. Tambussi

Affiliation CONICET - División Paleontología Vertebrados, Facultad de Ciencias Naturales y Museo, Museo de La Plata, Universidad Nacional de La Plata, La Plata, Argentina

Karen Moreno

Affiliations Laboratorio de Paleontología, Instituto de Geociencias, Universidad Austral de Chile, Valdivia, Chile, Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, Australia

Lawrence M. Witmer

Affiliation Department of Biomedical Sciences, College of Osteopathic Medicine, Ohio University, Athens, Ohio, United States of America

Stephen Wroe

Affiliation Evolution and Ecology Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FJD CPT KM SW. Performed the experiments: FJD CPT. Analyzed the data: FJD KM SW. Contributed reagents/materials/analysis tools: LMW SW. Wrote the paper: FJD CPT KM LMW SW.