About the Authors

Su-Ping Li

lisuping@cags.ac.cn

Affiliations Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P. R. China, Key Laboratory of Stratigraphy and Paleontology, Ministry of Land and Resources of China, Beijing, P. R. China

Pei-Yi Yao

Affiliation Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P. R. China

Jin-Feng Li

Affiliation State Key Laboratory of Systematics and Evolution, Institute of Botany, Chinese Academy of Sciences, Beijing, P. R. China

David Kay Ferguson

Affiliation University of Vienna, Institute of Palaeontology, Vienna, Austria

Long-Rui Min

Affiliation Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P. R. China

Zhen-Qing Chi

Affiliation Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P. R. China

Yong Wang

Affiliation Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P. R. China

Jian-Xin Yao

Affiliations Institute of Geology, Chinese Academy of Geological Sciences, Beijing, P. R. China, Key Laboratory of Stratigraphy and Paleontology, Ministry of Land and Resources of China, Beijing, P. R. China

Jin-Geng Sha

Affiliation Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, P. R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: SPL PYY. Investigation: SPL PYY JFL. Resources: PYY LRM ZQC YW. Validation: SPL JFL. Writing – original draft: SPL JFL DKF. Writing – review & editing: JXY JGS.