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. Centre of Palaeobiodiversity, West Bohemian Museum in Pilsen, Pilsen, Czech Republic
3. School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, UK
4. College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China