About the Authors

Christian F. Kammerer

christian.kammerer@mfn-berlin.de

Affiliation Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity, Berlin, Germany

Jörg Fröbisch

Affiliation Museum für Naturkunde, Leibniz Institute for Research on Evolution and Biodiversity, Berlin, Germany

Kenneth D. Angielczyk

Affiliation Department of Geology, Field Museum of Natural History, Chicago, Illinois, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CFK JF KDA. Performed the experiments: CFK KDA. Analyzed the data: CFK JF KDA. Contributed reagents/materials/analysis tools: KDA. Wrote the paper: CFK JF KDA.