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Issue: Vol. 9 No. 5: September 2026
Type: Article
Published: 2026-09-24
DOI: 10.11646/palaeoentomology.9.5.12
Page range: 440-449
Abstract views: 152
PDF downloaded: 7

First Eoptychopterina (Diptera: Ptychopteridae) from the Jurassic of Europe, with taxonomic notes on Eoptychopterininae and Eoptychopterinae

Borissiak Paleontological Institute; Russian Academy of Sciences; Moscow 117647; Russia
Institute of Geography and Geology; University of Greifswald; Friedrich-Ludwig-Jahn-Straße 17a; D-17487 Greifswald; Germany
Diptera Ptychopteridae fossil Mesozoic Toarcian Germany Daohugou China new synonyms

Abstract

The first Early Jurassic and oldest species of Eoptychopterina is described based on an isolated wing from the early Toarcian Grimmen Fm of Germany. It is the first record of the genus from Jurassic deposits of Europe. The new species demonstrates the stability of the wing venation of Eoptychopterina during the Mesozoic over about 50 million years, extending the geographical and temporal range of the genus. The following Jurassic species from Daohugou (China, J2-3) are regarded here as synonyms: Eoptychopterina adnexa syn. nov. and E. postica syn. nov. as junior synonyms of E. elenae from the same locality; and E. antica syn. nov. and E. mediata syn. nov. as junior synonyms of Eoptychopterina kaluginae from the Shar Teg locality (Mongolia, J3). Eoptychopterina gigantea from Daohugou is considered as a valid species. A distribution map of Eoptychopterina and a key for species are provided. The genus Neuseptychoptera from amber of North Carolina (USA, K2) is regarded here as a member of the extant subfamily Ptychopterinae.

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