The first fossil Perilestidae (Odonata: Zygoptera) from mid-Cretaceous Burmese amber |
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| Institution: | 1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39 East Beijing Road, Nanjing 210008, China;2. Department of Earth Sciences, The University of Hong Kong, Hong Kong Special Administrative Region, China;3. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1, Beichen West Road, Beijing 100101, China;4. Department of Earth Sciences, The Natural History Museum, London SW7 5BD, UK;5. Institut de Systématique, Évolution, Biodiversité, ISYEB-UMR 7205-CNRS, MNHN, UPMC, EPHE, Muséum national d''Histoire naturelle, Sorbonne Universités, 57 rue Cuvier, CP 50, Entomologie, F-75005, Paris, France;1. Section of Earth & Environmental Sciences, University of Geneva, Rue des Maraîchers 13, 1205 Geneva, Switzerland;2. Institute of Earth Sciences, University of Lausanne, Géopolis, 1015 Lausanne, Switzerland;3. Museum d''Histoire Naturelle, Paris, France;4. JdL Centre & Department of Applied Geology, Curtin University; GPO Box U1987, Perth, WA 6845, Australia;5. Institute of Earth Surface Dynamics, University of Lausanne, Géopolis, 1015 Lausanne, Switzerland;6. Department of Geology, Université Pierre et Marie Curie, Paris, France;1. Instituto Nacional de Pesquisas da Amazônia, Coordenação de Biodiversidade, Curso de pós-graduação em Entomologia, Manaus, AM, Brazil;2. Embrapa Meio-Norte, Teresina, PI, Brazil;1. State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 39, East Beijing road, Nanjing 210008, China;2. Department of Earth Sciences, The University of Hong Kong, Hong Kong Special Administrative Region, China;3. Research Institute of Experiment and Detection, Xinjiang Oilfield Company, PetroChina, Karamay 834000, PR China;4. Comprehensive Geology Exploration Team, Xinjiang Coalfield Geology Bureau, West Mountain road, Ürümqi 830000, China;5. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, 1, Beichen West Road, Beijing 100101, China |
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| Abstract: | Palaeoperilestes electronicus gen. et sp. nov. is the first perilestid damselfly described from mid-Cretaceous Burmese amber. This new damselfly can be attributed to the family Perilestidae by the midfork being distal of the subnodus and the base of IR2 quite near to the base of RP2, both features found in the extant genera Perilestes and Perissolestes. Palaeoperilestes electronicus gen. et sp. nov. has a strongly zigzagged IR1, however, differing from Perilestes and Perissolestes which have a straight IR1. The discovery not only adds to the diversity of damselflies in Burmese amber, but also puts the origin of Perilestidae back to at least the mid-Cretaceous. |
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| Keywords: | Perilestidae Zygoptera Odonata Cenomanian Cretaceous Burmese amber |
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