1. Institute of Palaeontology, Yunnan Key Laboratory for Palaeobiology, MEC International Joint Laboratory for Palaeobiology and Palaeoenvironment, Yunnan University, Kunming, China
2. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
3. Earth Sciences Department, Natural History Museum, London, UK
4. Department of Earth Science and Engineering, Imperial College London, London, UK
5. State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing, China
6. School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, UK