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Mongoliaeshna sinica gen. et sp. n., third record of the Mesozoic aeshnopteran family Progobiaeshnidae is described from the Lower Cretaceous of Yixian Formation in Liutiaogou (Ningcheng County, Inner Mongolia, China).
The Middle Jurassic Archipsylla sinica sp. n. is the first record of the enigmatic Mesozoic family Archipsyllidae from China. This well-preserved Chinese material bears several apomorphies allowing an attribution of this family to the Psocodea. The presence of four-segmented tarsi in Archipsyllidae suggests that the reduction in number of tarsomeres occurred independently at least two times in the...
The Middle Jurassic Ashangopsis daohugouensis, gen. et sp. n., of the prophalangopsid subfamily Chifengiinae is described based on two well-preserved specimens collected from the fossil locality near Daohugou at Ningcheng County, Inner Mongolia, Northeast China. The new genus is characterized by the particular shape of its pronotum, its hind leg, and stridulatory veins that only concern the cubital...
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