About the Authors

Nicolás E. Campione

nicolas.campione@utoronto.ca

Affiliation Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada

David C. Evans

Affiliation Department of Palaeobiology, Royal Ontario Museum, Toronto, Ontario, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NEC DCE. Performed the experiments: NEC DCE. Analyzed the data: NEC. Wrote the paper: NEC DCE.