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The first Palaeodictyoptera (Insecta) from the Carboniferous-Permian basin of Graissessac (France)

Abstract : A new dictyoneurid insect, Dictyoneura goujonorum n. sp. from the Latest Ghzelian-Asselian basin of Graissessac (Hérault, France) is described in details. It is represented by a wellpreserved specimen with wings of 32-35 mm long and 13-14 mm wide and other peculiar diagnostic characters such a MP with four branches and a CuP with three branches. As all the other Dictyoneura species are known from the Namurian and/or the Wesphalian, Dictyoneura goujonorum n. sp. is the youngest representative of the genus. It is also the first record of the order Palaeodictyoptera from the Graissessac basin. The Carboniferous-Permian palaeodictyopterans are well-known to have lived in rather humid swamp forests. The global warming and drying of the climate during the Permian and/or the rise of potential predators may be responsible of their extinction.
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Submitted on : Friday, June 11, 2021 - 11:27:40 AM
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Antoine Logghe, Romain Garrouste, Jean-Sebastien Steyer, Jean-Marc Pouillon, André Nel. The first Palaeodictyoptera (Insecta) from the Carboniferous-Permian basin of Graissessac (France). Historical Biology, Taylor & Francis, 2021, pp.1-7. ⟨10.1080/08912963.2021.1929953⟩. ⟨hal-03257982⟩

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