About the Authors
- Mark P. Witton
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* E-mail: Mark.Witton@port.ac.uk
Affiliation School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, United Kingdom
- Darren Naish
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Affiliation School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: MW DN. Wrote the paper: MW DN.