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Data from: A new, large Permian Parelmoidae (Insecta, Megasecopteromorpha, Diaphanopterodea) found in Shanxi Province (China)

Xu, Ziqiang1; Yang, Nan1; Oyama, Nozomu2; Xu, Yanqi3; Dong, Liyang4; Ren, Dong1; Béthoux, Olivier2

Published Nov 12, 2025 on Dryad. https://doi.org/10.5061/dryad.2bvq83c09

Data files

Nov 12, 2025 version files 1.77 GB

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Abstract

The Parelmoidae is an insect family belonging to the extinct order Diaphanopterodea, itself belonging to the larger taxon Megasecopteromorpha. Although generally rare, representatives of this family are a typical component of Permian environments, and more particularly in the Cisuralian, with occurrence in classical localities such as Obora, Elmo & Midco, and Chekarda. Here we describe a new Parelmoidae, Grandelmoa jingqii n. gen., sp. nov. known from a well-preserved, isolated wing discovered from a new locality, namely the Zhiyu Village (Shanxi Formation; Shanxi Province, China). Its wing venation is best explained by a translocation (as it is, of MP branches onto CuA), a phenomenon yet rarely documented among palaeopteran taxa. The new species occurs to be, by a small amount, the largest Permian Diaphanopterodea known to date.