Northwest University Research Team Discovers 518‑Million‑Year‑Old “Yujingia”, Updating Understanding of the Common Ancestor Evolution of Ambulacrarians

17/09/2026

Recently, Han Jian, He Kaiyue and other researchers from the Department of Geology at Northwest University, together with scholars at home and abroad, have identified a new ambulacrarian species, Yujingia glutenotunica, from the 518‑million‑year‑old Chengjiang biota in Yunnan. This finding offers crucial evidence for unravelling the evolutionary mystery behind the body plans of animals such ...

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