About the Authors
- Johan Lindgren
- Department of Earth and Ecosystem Sciences, Lund University, Lund, Sweden
- Michael W. Caldwell, Takuya Konishi
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Michael W. Caldwell
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta, Canada
- Luis M. Chiappe
- The Dinosaur Institute, Natural History Museum of Los Angeles County, Los Angeles, California, United States of America
The authors have declared that no competing interests exist.
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.