About the Authors

Rashmi Srivastava

rashmi57.bsip@gmail.com

Affiliation Cenozoic Palaeoflorist Laboratory, Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow- 226 007, Uttar Pradesh, India

Gaurav Srivastava

Affiliation Cenozoic Palaeoflorist Laboratory, Birbal Sahni Institute of Palaeobotany, 53 University Road, Lucknow- 226 007, Uttar Pradesh, India

David L. Dilcher

Affiliation Department of Geology, Indiana University, 1001 E. Tenth St. Bloomington- 47405, Indiana, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RS GS DLD. Performed the experiments: RS GS DLD. Analyzed the data: RS GS DLD. Contributed reagents/materials/analysis tools: RS. Wrote the paper: RS GS DLD.