1. Key Laboratory of Stratigraphy and Palaeontology of the Ministry of Natural Resources, Institute of Geology, Chinese Academy of Geological Sciences, Beijing, China
2. Hebei GEO University, Shijiazhuang, Hebei Province, China
3. Geological and Palaeontological Museum ‘Giovanni Capellini’, Bologna, Italy
4. Center for Interdisciplinary Biosciences, Technology and Innovation Park, University of Pavol Jozef Šafárik, Košice, Slovakia
5. The Dinosaur Institute, Natural History Museum of Los Angeles County, Los Angeles, CA, USA
6. Jilin University, Changchun, Jilin Province, China