1. State Key Laboratory of Palaeobiology and Stratigraphy, Center for Excellence in Life and Paleoenvironment, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, No. 39 East Beijing Road, Nanjing 210008, China
2. Centre de Recherche en Paléontologie – Paris (CR2P, UMR 7207), CNRS, MNHN, Sorbonne Université, Muséum national d’Histoire naturelle, CP 38, 57 rue Cuvier, F-75005, Paris, France