New discovery of Permochoristidae (Insecta, Mecoptera) from the Guadalupian of Chaohu City, Anhui Province, China
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Abstract:
Permochoristidae is a representative of the mecopterans in the Permian and a stem group of Mecoptera. The Permian is a period during which mecopterans were prosperous, however, Permian mecopterans from China are extremely rare, with only one previously reported species. We establish a new genus and species, Chaohuchorista liaoi gen. et sp. nov., based on one specimen collected from the Guadalupian Yinping Formation of Chaohu City, Anhui Province, eastern China. The diagnostic characters of the genus include small and elongate forewing, Rs1 and Rs2 combined into a single vein, Rs4 with two branches, M with five branches and M2 with two branches. Our new finding highlights the mecopteran diversity during the Permian in China.
