About the Authors

Kohei Tanaka

Contributed equally to this work with: Kohei Tanaka, Darla K. Zelenitsky, François Therrien

ktanaka@ucalgary.ca

Affiliation Department of Geoscience, University of Calgary, Calgary, Alberta, Canada

Darla K. Zelenitsky

Contributed equally to this work with: Kohei Tanaka, Darla K. Zelenitsky, François Therrien

Affiliation Department of Geoscience, University of Calgary, Calgary, Alberta, Canada

François Therrien

Contributed equally to this work with: Kohei Tanaka, Darla K. Zelenitsky, François Therrien

Affiliation Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KT DKZ FT. Performed the experiments: KT DKZ. Analyzed the data: KT DKZ FT. Contributed reagents/materials/analysis tools: KT DKZ FT. Wrote the paper: KT DKZ FT.