1. School of Earth and Space Sciences Peking University Beijing China
2. State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, CAS) Nanjing China
3. Chengdu Institute of Biology Chinese Academy of Sciences Chengdu China
4. Center for Functional Anatomy & Evolution Johns Hopkins University School of Medicine Baltimore MD USA
5. Department of Life Science Liupanshui Normal University Liupanshui China
6. Biodiversity Conservation Key Laboratory Guiyang College Guiyang China