About the Authors

Alexandra Houssaye

houssaye@mnhn.fr

Affiliations UMR 7179 CNRS/Muséum National d’Histoire Naturelle, Département Ecologie et Gestion de la Biodiversité, Paris, France, Steinmann Institut für Geologie, Paläontologie und Mineralogie, Universität Bonn, Bonn, Germany

Paul Tafforeau

Affiliation European Synchrotron Radiation Facility, Grenoble, France

Christian de Muizon

Affiliation Sorbonne Universités, CR2P—CNRS, MNHN, UPMC-Paris 6, Département Histoire de la Terre, Muséum National d’Histoire Naturelle, Paris, France

Philip D. Gingerich

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AH. Performed the experiments: AH. Analyzed the data: AH. Contributed reagents/materials/analysis tools: AH CDM PDG PT. Wrote the paper: AH PDG. Critical revision of the manuscript: AH CDM PDG PT.