About the Authors
- Jens L. Franzen
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Affiliations Forschungsinstitut Senckenberg, Frankfurt, Germany, Naturhistorisches Museum Basel, Basel, Switzerland
- Philip D. Gingerich
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Affiliation Museum of Paleontology and Department of Geological Sciences, University of Michigan, Ann Arbor, Michigan, United States of America
- Jörg Habersetzer
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Affiliation Forschungsinstitut Senckenberg, Frankfurt, Germany
- Jørn H. Hurum
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* E-mail: j.h.hurum@nhm.uio.no
Affiliation Natural History Museum, University of Oslo, Oslo, Norway
- Wighart von Koenigswald
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Affiliation Steinmann-Institut für Geologie, Mineralogie und Paläontologie, Universität Bonn, Bonn, Germany
- B. Holly Smith
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Affiliation Museum of Anthropology, 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: JH. Performed the experiments: JH. Analyzed the data: JLF PDG JH JHH WvK BHS. Wrote the paper: JLF PDG JHH WvK BHS.