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Issue: Vol. 5715 No. 1: 28 Oct. 2025
Type: Article
Published: 2025-10-28
DOI: 10.11646/zootaxa.5715.1.23
Page range: 251-266
Abstract views: 121
PDF downloaded: 2

New Tega (Insecta: Diptera: Anisopodidae) from the Jurassic of Eurasia and the systematic position of Oligophrynidae

Borissiak Paleontological Institute; Russian Academy of Sciences; Moscow 117647; Russia
Institute of Geography and Geology; University of Greifswald; Friedrich-Ludwig-Jahn-Straβe 17a; D-17487 Greifswald; Germany
Diptera fossil identification key Mesozoic new taxa Heterorhyphidae Protorhyphidae

Abstract

Four new species of Tega (Diptera: Anisopodidae) are described from the Jurassic of Eurasia: T. thuyi sp. nov. (early Toarcian Posidonia Shale Formation of Luxembourg), T. germanica sp. nov. (early Toarcian Posidonia Shale Formation and Grimmen Formation of Germany), T. storozhenkoi sp. nov. and T. sibirica sp. nov. (Bathonian Itat Formation of Central Siberia, Russia). These taxa demonstrate the stability of the wing venation of Tega during the Jurassic period, expanding the geographical and temporal framework of the genus significantly. A distribution map of Teginae and a key for genera and species are provided. The venation of the Jurassic Heterorhyphidae can be derived from the Tega venation. On the other hand, we consider the Mesozoic anisopodoid family Oligophrynidae with a revised composition, including Oligophryne, Austrorhyphus and Brachyrhyphus, as a probable ancestor of Anisopodidae.

 

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How to Cite

Lukashevich, E.D. & Ansorge, J. (2025) New Tega (Insecta: Diptera: Anisopodidae) from the Jurassic of Eurasia and the systematic position of Oligophrynidae. Zootaxa, 5715 (1), 251–266. https://doi.org/10.11646/zootaxa.5715.1.23