318–259 Ma 的巨脉蜻蜓类显示是从 Namurian B 至至少中二叠世末的化石记录包络，而非精确灭绝区间。
claim:taxon:meganisoptera:fossil-rangeInduced Power Scaling Alone Cannot Explain Griffenfly Gigantism
Ellers, O.; Gordon, B.; Hukill, A.; et al.
年份2024
来源角色primary-study
DOI / ID10.1093/icb/icae046
适用范围
range · 形态 · 生态
Functional study summarizes the reviewed first Namurian B record and persistence through at least the end of the Middle Permian; it does not supply an exact extinction date.