About the Authors

Fabien Knoll

fabien.knoll@manchester.ac.uk

Affiliations School of Earth, Atmospheric & Environmental Sciences, University of Manchester, Manchester, United Kingdom, School of Earth Sciences, University of Bristol, Bristol, United Kingdom, Departamento de Paleobiología, Museo Nacional de Ciencias Naturales-CSIC, Madrid, Spain

Lawrence M. Witmer

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

Ryan C. Ridgely

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

Francisco Ortega

Affiliation Departamento de Física Matemática y de Fluidos, Facultad de Ciencias, Universidad Nacional de Educación a Distancia, Madrid, Spain

Jose Luis Sanz

Affiliation Departamento de Biología, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid, Spain

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FK LMW. Performed the experiments: FK LMW RCR. Analyzed the data: FK LMW RCR. Contributed reagents/materials/analysis tools: FO JLS LMW RCR FK. Wrote the paper: FK LMW.