Shallow-water trilobites from the Koumenzi Formation (Katian, Upper Ordovician) of Qilian, northeastern Qinghai, China: Biogeographical links with Kazakh terranes - Xin Wei; Yu-Chen Zhang; Ren-Bin Zhan; Yi Wang; Peng Tang; Yong Wang; Ya-Tao Zhang; Jia-Qi Song (Palaeoworld, 2025)