肉鳍鱼类导航范围以约 4.19 亿年前鲁德洛世关节相连的 Guiyu oneiros 标本作为有证据连接的老端锚点，以 0 Ma 的现生肉鳍鱼作为年轻端；该化石既不是直系祖先，也不能证明精确的全球首现。
claim:taxon:sarcopterygii:fossil-rangeThe oldest articulated osteichthyan reveals mosaic gnathostome characters
Zhu, M.; Zhao, W.; Jia, L.; Lu, J.; Qiao, T.; Qu, Q.
年份2009
来源角色primary-study
DOI / ID10.1038/nature07855
适用范围
taxonomy · 拓扑 · range · 形态 · geochronology
Primary description of articulated Ludlow sarcopterygian Guiyu oneiros; the paper also distinguishes the fossil occurrence from the inferred minimum actinopterygian–sarcopterygian split.