About the Authors

Maria E. McNamara, Derek E. G. Briggs
Department of Geology & Geophysics, Yale University, New Haven, Connecticut, United States of America

Maria E. McNamara, Patrick J. Orr
UCD School of Geological Sciences, University College Dublin, Belfield, Dublin, Ireland

Derek E. G. Briggs
Yale Peabody Museum of Natural History, Yale University, New Haven, Connecticut, United States of America

Sonja Wedmann
Senckenberg Forschungsinstitut und Naturmuseum, Forschungsstation Grube Messel, Messel, Germany

Heeso Noh, Hui Cao
Department of Applied Physics, Yale University, New Haven, Connecticut, United States of America

Corresponding Author

maria.mcnamara@yale.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: MEM PJO. Performed the experiments: MEM. Analyzed the data: MEM HN HC. Contributed reagents/materials/analysis tools: SW. Wrote the paper: MEM DEGB PJO SW.