About the Authors
- Richard J. Butler
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* E-mail: butler.richard.j@gmail.com
Affiliations GeoBio-Center, Ludwig-Maximilians-Universität München, Munich, Germany, Department of Palaeontology, Natural History Museum, London, United Kingdom
- Paul M. Barrett
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Affiliation Department of Palaeontology, Natural History Museum, London, United Kingdom
- David J. Gower
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Affiliation Department of Zoology, Natural History Museum, London, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RJB PMB DJG. Performed the experiments: RJB PMB DJG. Analyzed the data: RJB PMB DJG. Wrote the paper: RJB PMB DJG.