About the Authors

Jean-Bernard Caron


Affiliation Department of Natural History-Palaeobiology, Royal Ontario Museum, Toronto, Ontario, Canada

Simon Conway Morris

Affiliation Department of Earth Sciences, University of Cambridge, Cambridge, United Kingdom

Degan Shu

Affiliation Early Life Institute and Key Laboratory of Continental Dynamics, Northwest University, Xi'an, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JBC SCM. Analyzed the data: JBC SCM. Contributed reagents/materials/analysis tools: JBC DS. Wrote the paper: JBC SCM DS.