About the Authors
- Ki Andersson, David Norman
- Department of Earth Sciences, University of Cambridge, Cambridge, United Kingdom
- Ki Andersson, Lars Werdelin
- Department of Palaeozoology, Swedish Museum of Natural History, Stockholm, Sweden
The authors have declared that no competing interests exist.
Conceived and designed the experiments: KA. Performed the experiments: KA. Analyzed the data: KA. Contributed reagents/materials/analysis tools: KA LW. Wrote the paper: KA LW DN. Planned the project, designed the study, collected data, analysed data and wrote the manuscript: KA. Discussed the project in detail and contributed to developing the manuscript and finished the paper: DN LW.