1. UMR 5125 PEPS ‘Paléoenvironnements et Paléobiosphère’, Université de Lyon, Université Lyon 1Campus de la Doua, Bâtiment Géode, 69622 Villeurbanne Cedex, France
2. Department of Palaeontology, Instituto de Geología Económica (CSIC-UCM), Facultad de Ciencias GeológicasJosé Antonio Novais, 2, 28040 Madrid, Spain
3. Yunnan Institute of Geological Science87 Dongfeng Lane, Dongfeng Donglu, Kunming 650051, Yunnan Province, People's Republic of China
4. Chengjiang Fauna National Geopark of ChinaFengxiang Street, Chengjiang, Yunnan Province 652500, People's Republic of China