About the Authors
- Johan Lindgren
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* E-mail: johan.lindgren@geol.lu.se
Affiliation Department of Earth and Ecosystem Sciences, Lund University, Lund, Sweden
- Michael W. Caldwell
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Affiliations Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada, Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, Canada
- Takuya Konishi
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Current address: Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta, Canada
Affiliation Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Luis M. Chiappe
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Affiliation The Dinosaur Institute, Natural History Museum of Los Angeles County, Los Angeles, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JL MC TK. Performed the experiments: JL MC TK. Analyzed the data: JL MC TK. Contributed reagents/materials/analysis tools: LC. Wrote the paper: JL MC TK LC.