约 436 Ma 早志留世地层中的 Eosteus chongqingensis 以目前报道最早的关节连接硬骨鱼出现记录锚定 436–0 Ma 路线；其干群位置依赖分析，不能当作冠群分裂或全球起源日期。
claim:taxon:osteichthyes:root-rangeThe oldest articulated bony fish from the early Silurian period
Zhu, Y.-A.; Chen, Y.; Li, Q.; Zhao, W.-J.; Zhou, Z.-D.; Jia, L.-T.; Yu, Y.-L.; Yu, H.-X.; Wei, G.-B.; Ahlberg, P.E.; Lu, J.; Zhu, M.
年份2026
来源角色primary-study
DOI / ID10.1038/s41586-026-10125-2
适用范围
range · taxonomy · 拓扑 · 形态 · geochronology · methods
Primary description of the articulated early Silurian osteichthyan Eosteus chongqingensis and explicit parsimony and Bayesian placement; the approximately 436 Ma occurrence is not a crown split or origination date.