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Issue: Vol. 2 No. 1: March 2025
Type: Article
Published: 2025-03-28
DOI: 10.11646/mesozoic.2.1.10
Page range: 80-84
Abstract views: 105
PDF downloaded: 50

Revision of Shurabia postiretis (Reculida: Geinitziidae) from the Jurassic of Yiyang Basin, Jiangxi, China

State Key Laboratory of Palaeobiology and Stratigraphy; Nanjing Institute of Geology and Palaeontology; Chinese Academy of Sciences; Nanjing 210008; China; University of Chinese Academy of Sciences; Beijing 100049; China
State Key Laboratory of Palaeobiology and Stratigraphy; Nanjing Institute of Geology and Palaeontology; Chinese Academy of Sciences; Nanjing 210008; China
Orthoptera Mesozoic geinitziids Polyneoptera Yanliao biota Middle-Late Jurassic

Abstract

Meixiella postiretis Huang et al., 1991, was originally described as a new genus and species assigned to the distinctive family Geinitziidae (Reculida), based on a single forewing from the Lower Jurassic Menkoushan Formation (= Shuibei Formation in the present study) in the Yiyang Basin, Jiangxi Province, east China. Meixiella postiretis was subsequently transferred to Shurabia Martynov, 1937, a taxonomic assignment with which we concur. In the present study, we provide a detailed revision of the morphological characters of Shurabia postiretis. Based on its redefined diagnostic features and a holistic analysis of Jurassic insect-bearing strata in China, we discuss the evolutionary trajectory of Shurabia. Our findings provide support for its stratigraphic positioning from the late Early Jurassic to the early Middle Jurassic.

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