New mayfly nymphs (Insecta: Ephemeroptera) from Yixian Formation,China |
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| Authors: | Jiandong Huang N D Sinitshenkova Dong Ren |
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| Institution: | 1.Anhui Paleontological Museum,Anhui Province,China;2.Borissiak Paleontological Institute,Russian Academy of Sciences,Moscow,Russia;3.College of Life Science,Capital Normal University,Beijing,China |
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| Abstract: | Three new species of mayfly nymphs, Clavineta excavata sp. nov., Clavineta brevinodia sp. nov., and Siberiogenites branchicillus sp. nov., from the Yixian Formation (Late Jurassic-Early Cretaceous) in western Liaoning Province, China, are described.
These mature nymphs are small-sized, with the body less than 16.0 mm long. The systematic position of the genera Clavineta and Siberiogenites, which are recorded for the first time in the Yixian Formation, is briefly discussed. |
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