New genera and species of bark-gnawing beetles (Coleoptera: Trogossitidae) from the Yixian Formation (Lower Cretaceous) of Western Liaoning,China |
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| Institution: | 1. State Key Laboratory of Biocontrol, Key Laboratory of Biodiversity Dynamics and Conservation of Guangdong Higher Education Institute, College of Ecology and Evolution, Sun Yat-Sen University, Guangzhou 510275, China;2. Australian National Insect Collection, CSIRO National Research Collections Australia, GPO Box 1700, Canberra, ACT 2601, Australia;3. Landcare Research, New Zealand Arthropod Collection, Auckland, New Zealand;4. College of Life Sciences, Capital Normal University, Xisanhuanbeilu 105, Haidian District, Beijing, 100048, PR China;1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, People''s Republic of China;2. Lebanese University, Faculty of Sciences II, Department of Biology, Fanar Matn P.O. Box 26110217, Lebanon;3. Muséum National d''Histoire Naturelle, Institut de Systématique, Evolution, Biodiversité, ISYEB, UMR 7205 CNRS UPMC EPHE, CP50, 45 rue Buffon, F-75005 Paris, France;1. School of the Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China;2. Naturhistorisches Museum Basel, Augustinergasse 2, Basel CH-4001, Switzerland;3. Department of Biological Sciences, University of Alberta 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada;4. Qijiang District Bureau of Land Resources, Chongqing 401420, China;1. CEREGE, Aix-Marseille University, Centre Saint-Charles, 13331 Marseille cedex 03, France;2. Universidad Complutense, Departamento de Estratigrafia, Instituto de Geologia Economica (CSIC-UCM), Facultad de C.C. Geologica, 28040 Madrid, Spain;1. Department of Zoology, Faculty of Science, Palacky University, 17. listopadu 50, 771 46 Olomouc, Czech Republic;2. Department of Biology, Faculty of Education, Palacky University, Purkrabska 2, 771 40 Olomouc, Czech Republic;1. Institute of Systematics and Ecology of Animals of the Siberian Branch of Russian Academy of Sciences, Frunze Street, 11, Novosibirsk, 630091, Russia;2. Altai State University, Lenina Street, 61, Barnaul, 656049, Russia;1. CAS Key Laboratory of Economic Stratigraphy and Palaeogeography, Nanjing Institute of Geology and Palaeontology, Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China;2. School of Earth Sciences, University of Bristol, Life Sciences Building, Tyndall Avenue, Bristol BS8 1TQ, UK;3. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Center for Excellence in Life and Paleoenvironment, Chinese Academy of Sciences, Nanjing 210008, China |
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| Abstract: | Two new genera from the Lower Cretaceous Yixian Formation of Beipiao City, Liaoning Province, northeastern China are described and illustrated. Paracretocateres gen. nov. (type species P. bellus, sp. nov.) and Yixianteres gen. nov. (type species Y. beipiaoensis sp. nov.) are assigned to the subfamily Lophocaterinae based on the state of the procoxae which are not projecting, the transverse procoxal cavities, and the exposed protochantins. The new taxa broaden the diversity of this family and provide further morphological characters for phylogenetic studies of Trogossitidae. They also provide evidence that lophocaterines well-diversified prior to the trogossitines and their biologies may have been similar to extant forms. |
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| Keywords: | Coleoptera New genera New species Fossil Yixian Formation Early Cretaceous China |
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