1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Palaeoenvironment, Chinese Academy of Sciences, Nanjing, Jiangsu Province, China
2. University of Chinese Academy of Sciences, Beijing, China
3. College of Palaeontology, Shenyang Normal University, Shenyang, Liaoning Province, China
4. Key Laboratory for Evolution of Past Life in Northeast Asia, Ministry of Land and Resources, Shenyang, Liaoning Province, China
5. Nanjing College, University of Chinese Academy of Sciences, Nanjing, Jiangsu Province, China
6. School of Earth Sciences & Key Laboratory of Mineral Resources in Western China (Gansu Province), Lanzhou University, Lanzhou, Gansu Province, China