About the Authors
- Jean-Bernard Caron
- Department of Natural History-Palaeobiology, Royal Ontario Museum, Toronto, Ontario, Canada
- Simon Conway Morris
- Department of Earth Sciences, University of Cambridge, Cambridge, United Kingdom
- Degan Shu
- Early Life Institute and Key Laboratory of Continental Dynamics, Northwest University, Xi'an, People's Republic of China
The authors have declared that no competing interests exist.
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.