1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing , China
2. College of Earth and Planetary Sciences, Nanjing Institute of Geology and Palaeontology and Center for Excellence in Life and Paleoenvironment, University of Chinese Academy of Sciences, Beijing , China