New cephalopod material of Middle to Upper Ordovician from southern Xizang (Tibet), China: Taxonomy, diversity and palaeobiogeography. - Song, Jiaqi; Fang, Xiang; Li, Wenjie; Wang, Wenhui; Burrett, Clive; Yu, Shenyang; Qie, Wenkun; Zhang, Yuandong (Palaeogeography, Palaeoclimatology, Palaeoecology, 2025)