About the Authors
- Anne S. Schulp
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Affiliation Natuurhistorisch Museum Maastricht, Maastricht, The Netherlands
- Mohammed Al-Wosabi
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Affiliation Department of Geology, Sana'a University, Sana'a, Republic of Yemen
- Nancy J. Stevens
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* E-mail: stevensn@ohio.edu
Affiliation Department of Biomedical Sciences, College of Osteopathic Medicine, Ohio University, Athens, Ohio, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Analyzed the data: NS AS. Contributed reagents/materials/analysis tools: NS AS MA. Wrote the paper: NS AS. Other: Participated in research and coordinated field logistics: MA.