1. State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing, China
2. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
3. Saurierwelt Paläontologisches Museum, Neumarkt, Germany
4. School of the Earth Sciences and Resources, China University of Geosciences, Beijing, China
5. Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada