1. Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, China
2. Senckenberg Forschungsinstitut und Naturmuseum Frankfurt, Frankfurt, Germany
3. College of Paleontology, Shenyang Normal University, Shenyang, China
4. Chinese Academy of Geological Sciences, Beijing, China
5. School of Geography and Tourism, Qufu Normal University, Rizhao, China
6. The 11th Geological Brigade of Sichuan, Dazhou, China