About the Authors
- Anjali Goswami
- Department of Genetics, Evolution and Environment and Department of Earth Sciences, University College London, London, United Kingdom
- P. David Polly
- Department of Geological Sciences, Indiana University, Bloomington, Indiana, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: AG PDP. Analyzed the data: AG. Wrote the paper: AG PDP.