A new specimen of Thalattosauroidea (Reptilia, Thalattosauriformes) from the Middle Triassic (Ladinian) of Xingyi, southernwestern China. Issue 6 (10th December 2020) - Chai, Jun; Jiang, Da-Yong; Rieppel, Olivier; Motani, Ryosuke; Tintori, Andrea; Druckenmiller, Patrick