义县组
总科
金龟子科
单系
生物
分类单元
白垩纪
现存分类群
属
劳拉西亚
古生物学
动物
系统发育树
进化生物学
克莱德
中生代
构造盆地
生物化学
基因
作者
Ming Bai,Dong Ren,Xingke Yang
标识
DOI:10.1111/j.1755-6724.2011.00232.x
摘要
Prophaenognatha robusta gen. et sp. nov. (Scarabaeoidea: Scarabaeidae: Aclopinae), the best-preserved aclopine fossil so far, is described and illustrated from the Upper Jurassic-Lower Cretaceous Yixian Formation of the Jehol Biota, western Liaoning Province, NE China. The key to extinct and extant genera of Aclopinae is given and the monophyly of extant and fossil Aclopinae lineages is supported by five character states. The new taxon provides evidence about the evolution of Scarabaeoidea with its phylogenetic position inferred based on 68 morphological characters.
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