Dawn of segmented bilaterians unveiled by soft-bodied fossils in microbial pseudomorphs from the Basal Cambrian
Xiaoguang Yang, Deng Wang, Farid Saleh, Zhiliang Zhang, Jia Sun, Wenjing Hao, Kentaro Uesugi, Tsuyoshi Komiya, Xing Wang, Jian Han
This paper describes the discovery of segmented bilaterian fossils from the lowermost Cambrian, preserved as microbial pseudomorphs, indicating a significant diversification during the Ediacaran-Cambrian transition.
bioRxiv · Jun 20, 2026 · PreprintPaleontology