About the Authors

Jian Han

Affiliation State Key Laboratory of Continental Dynamics, Department of Geology, Early Life Institute, Northwest University, Xi'an, Shaanxi, People's Republic of China

Shin Kubota

Affiliation Seto Marine Biological Laboratory, Field Science Education and Research Center, Kyoto University, Shirahama, Wakayama, Japan

Hiro-omi Uchida

Affiliation Kushimoto Marine Park Center, Kushimoto, Wakayama, Japan

George D. Stanley Jr.

Affiliation Department of Geosciences, The University of Montana, Missoula, Montana, United States of America

Xiaoyong Yao

Affiliation State Key Laboratory of Continental Dynamics, Department of Geology, Early Life Institute, Northwest University, Xi'an, Shaanxi, People's Republic of China

Degan Shu

Affiliation State Key Laboratory of Continental Dynamics, Department of Geology, Early Life Institute, Northwest University, Xi'an, Shaanxi, People's Republic of China

Yong Li

Affiliation Key Laboratory of Western China's Mineral Resources and Geological Engineering, School of Earth Science and Land Resources, Chang'an University, Xi'an, Shaanxi, People's Republic of China

Kinya Yasui

furaha@sci.hiroshima-u.ac.jp

Affiliation Marine Biological Laboratory, Graduate School of Science, Hiroshima University, Higashi-hiroshima, Hiroshima, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JH SK KY. Performed the experiments: JH XY KY. Analyzed the data: JH SK HoU DS YL KY. Contributed reagents/materials/analysis tools: JH DS KY. Wrote the paper: JH SK GDSJ KY. Discovered the fossils: JH XY KY. Provided the actiniarian data: HU.