New Aetheogrammatidae (Insecta: Neuroptera) from the Lower Cretaceous Yixian Formation,China |
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| Affiliation: | 1. College of Life Sciences, Capital Normal University, Beijing, 100048, China;2. Institute of Biology and Soil Sciences, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, 690022, Russia;3. Geoscience Museum, Shijiazhuang University of Economics, Shijiazhuang, 050031, China;1. School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China;2. Institute of Zoology, University of Bonn, Poppelsdorfer Schloss, D-53115 Bonn, Germany;1. Key Lab of Insect Evolution and Environmental Change, College of Life Sciences, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing, 100048, China;2. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, No. 1 Beichen West Road, Chaoyang District, Beijing, 100101, China |
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| Abstract: | Two new genera and three new species of the Mesozoic family Aeotheogrammatidae are described from the Lower Cretaceous of Yixian Formation (Liaoning Province, China): Cyclicogramma rotundum gen. et sp. nov. and Aetheogramma bistriatum sp. nov. from Huangbanjigou, and Curtogramma ovatum gen. et sp. nov. from Dawangzhangzi. The hind wing of Cyclicogramma rotundum gen. et sp. nov. differs from that of other species by its smaller size, its overall shape, RP bearing only two oblique radial branches, and its configurations of CuP, AA1, and AA2. Aetheogramma bistriatum sp. nov. is closely related to A. speciosum Ren and Engel, 2008, but distinguished from the latter by its distinctive configuration of RP1, and the narrower and longer AA2 space in the hind wing. Curtogramma ovatum gen. et sp. nov. is distinguished from all other species of the family by the forewing with M forking very far from the wing base. |
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| Keywords: | Kalligrammatidae Huangbanjigou Dawangzhangzi |
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