“…From 2000 to 2011 a series of expeditions (here referred as the Sino-American expeditions) co-led by Xu and Clark collected numerous fossil vertebrates from the Shishugou Formation, mainly at Wucaiwan but also from the two other areas. Smaller collections have been made, mainly at Jiangjunmiao, by Sino-German expeditions (Maisch et al, 2004;Tütken et al, 2004;Wings, 2015;Augustin et al, 2021) and others (e.g., Wang et al, 2019).…”