1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, China
2. Qingdao Institute of Marine Geology, Qingdao, China
3. Evaluation and Detection Technology Laboratory of Marine Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
4. Laboratory of Palaeobiology and Palaeoecology, Institute of Geology of the Czech Academy of Sciences, Prague, Czech Republic