New Species of Cimbrophlebiidae (Insecta: Mecoptera) from the Middle Jurassic of Northeastern China

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New Species of Cimbrophlebiidae (Insecta: Mecoptera) from the Middle Jurassic of Northeastern China
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                        ZHANG XiaoZHANG Xiao
Key Lab of Insect Evolution and Environmental Changes, College of Life Sciences, Capital Normal University, Beijing 100048, China
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SHIH ChungkunSHIH Chungkun
Key Lab of Insect Evolution and Environmental Changes, College of Life Sciences, Capital Normal University, Beijing 100048, China
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ZHAO YunyunZHAO Yunyun
Key Lab of Insect Evolution and Environmental Changes, College of Life Sciences, Capital Normal University, Beijing 100048, China
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REN DongREN Dong
Key Lab of Insect Evolution and Environmental Changes, College of Life Sciences, Capital Normal University, Beijing 100048, China
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Fund Project:This research is supported by the National Basic Research Program of China (973 Program; 2012CB821906), the National Natural Science Foundation of China (No. 31230065, 41272006), Great Wall Scholar and KEY project of Beijing Municipal Commission of Education Project (grant KZ201310028033), Program for Changjiang Scholars and Innovative Research Team in University (IRT13081).

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Abstract:

Four new species of three genera in the family Cimbrophlebiidae, Telobittacus decorus sp. nov., Bellicimbrophlebia heteroneura sp. nov., Cimbrophlebia amoena sp. nov., and Cimbrophlebia gracilenta sp. nov., are described and illustrated based on eleven well-preserved fossil specimens. These specimens were collected from the latest Middle Jurassic Jiulongshan Formation of Daohugou, Inner Mongolia, China. This is the first record of the genus Cimbrophlebia in the Jurassic extending its age from the Lower Cretaceous to the Middle Jurassic. Due to same venational characters, we propose that an undescribed fossil specimen of Cimbrophlebiidae from the Jurassic of Germany is attributed to C. gracilenta sp. nov. Our new findings demonstrate an evolutionary trend of venational change from 185 to 50 Ma that the level of the bifurcation of Rs is gradually moving toward the base of wing in reference to the bifurcation of M.

Key words:Mecoptera, Cimbrophlebiidae, fossil, taxonomy, hangingfly, Jiulongshan Formation, Inner Mongolia

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ZHANG Xiao, SHIH Chungkun, ZHAO Yunyun, REN Dong.2015. New Species of Cimbrophlebiidae (Insecta: Mecoptera) from the Middle Jurassic of Northeastern China[J]. Acta Geologica Sinica(),89(5):1482-1496

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Received:March 25,2014
Revised:May 18,2015
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Online: October 15,2015
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