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Issue: Vol. 5562 No. 1: 31 Dec. 2024
Type: Article
Published: 2024-12-31
DOI: 10.11646/zootaxa.5562.1.6
Page range: 31-37
Abstract views: 88
PDF downloaded: 44

Redescription of the ‘libelluloid’ Mesocordulia boreala (Odonata: Mesocorduliidae) from the Lower Cretaceous of China

Institut de Systématique; Évolution; Biodiversité (ISYEB); MNHN; CNRS; SU; EPHE-PSL; UA; CP50; 57 rue Cuvier; F-75005 Paris; France
State Key Laboratory of Palaeobiology and Stratigraphy; Nanjing Institute of Geology and Palaeontology; Chinese Academy of Sciences; Nanjing 210008; China
State Key Laboratory of Palaeobiology and Stratigraphy; Nanjing Institute of Geology and Palaeontology; Chinese Academy of Sciences; Nanjing 210008; China; Institute of Palaeontology; Yunnan Key Laboratory of Earth System Science; Yunnan Key Laboratory for Palaeobiology; MEC International Joint Laboratory for Palaeobiology and Palaeoenvironment; Yunnan University; Kunming 650500; China; Southwest United Graduate School; Kunming 650092; China
Odonata Insecta Anisoptera Araripelibellulidae morphology phylogeny

Abstract

On the basis of a very well-preserved new specimen, we redescribe the Early Cretaceous genus and species Mesocordulia boreala, currently attributed to the Cretaceous subfamily Mesocorduliinae of Araripelibellulidae. We refine key characteristics of wing venation, which allow us to exclude this species from the Araripelibellulidae and elevate the Mesocorduliinae to the family rank as Mesocorduliidae. The relationships of this fossil are clarified. As the genus name Mesocordulia is preoccupied, we propose a replacement name, Guocordulia.

 

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