The first fossil species of subfamily Piestinae (Coleoptera: Staphylinidae) from the Lower Cretaceous of China |
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| Affiliation: | 1. School of Life Science, Ningxia University, 539 West Helanshan Road, Xixia District, Yinchuan 750021, China;2. College of Biological Science and Engineering, Beifang University of Nationalities, 204 Wenchangbeijie, Xixia District, Yinchuan 750021, China;3. Ningxia Geological Museum, 301 East Street of People''s Square, Jinfeng District, Ningxia 750011, China;4. College of Life Sciences, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing 100048, China;1. Division of Entomology, Natural History Museum, 1501 Crestline Drive – Suite 140, University of Kansas, Lawrence, KS 66045-4415, USA;2. Department of Ecology & Evolutionary Biology, University of Kansas, Lawrence, KS 66045, USA;3. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;4. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Science, Beijing 100101, China;5. Department of Plant Protection, College of Food and Agriculture Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia;1. Arthropoda Laboratory, Paleontological Institute, Russian Academy of Sciences, 117997 Moscow, Profsoyuznaya ulitsa 123, Russia;2. Laboratory of Comparative Physiology, Institute of Developmental Biology, Russian Academy of Sciences, 117808 Moscow, ulitsa Vavilova 26, Russia;1. Department of Biology, College of Life and Environmental Sciences, Shanghai Normal University, Shanghai 200234, China;2. Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;3. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;1. College of Biological Sciences and Engineering, Beifang University of Nationalities, 204 Wenchangbeijie, Xixia District, Yinchuan, Ningxia, 750021, China;2. College of Life Sciences, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing, 100048, China;3. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, 23, Xinning Road, 810008, Xining, China;4. College of Life Sciences, Hebei University, Baoding, 071002, China;1. Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China;2. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China |
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| Abstract: | Two new Early Cretaceous fossil rove beetle species, Paleosiagonium brevelytratum n. gen. n. sp. and Paleosiagonium adaequatum n. gen. n. sp. are described from the Lower Cretaceous Yixian Formation of Liaoning Province, China. They are clearly placed in the extant Piestinae according to the following characters: body elongate and flat; anterior coxae small and globose; abdomen long and parallel-sided, with six visible sterna and one pair of paratergites on segments III–VII. This is the first report on the occurrence of the coleopteran subfamily Piestinae in the fossil record. The new discoveries indicate that Piestinae have originated at least by the Early Cretaceous, at about 125–120 Ma. |
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| Keywords: | Staphylinidae Piestinae New genus and new species Lower Cretaceous China |
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