Alloraphidia  longistigmasa Ren 1994 

Snake Fly with complete wing venation and abdominal coloring.
recovered in ancient lake Sihetun, a 100 foot deep lake bed covering 20 square miles.

Lower Cretaceous Yixian Formation, Liaoxi fauna, jehol biota
Jianshangou Bed,  Huongbanjigou, Beipiaoa district, western Liaoning, China

zircon U-Pb dating 125.2 Ma, feldspar Ar/Ar dating of 124.6 Ma Barremian

Plate: 3 x 3 1/4 x 1/4 inch

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