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Issue: Vol. 5 No. 3: June 2022
Type: Article
Published: 2022-06-27
DOI: 10.11646/palaeoentomology.5.3.6
Page range: 240–245
Abstract views: 214
PDF downloaded: 14

The second species of Rudiaeschna (Odonata, Rudiaeschnidae) discovered in the Lower Cretaceous of Inner Mongolia, Northeast China

State Key Laboratory of Palaeobiology and Stratigraphy, Center for Excellence in Life and Paleoenvironment, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China
Institut de Systématique, Évolution, Biodiversité (ISYEB) Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 rue Cuvier 75005, Paris, France; Université Rennes, CNRS, Géosciences Rennes, UMR 6118, F-35000, Rennes, France; CNRS, UMR 5554 Institut des Sciences de l’Évolution de Montpellier, Place Eugène Bataillon, F-34095, Montpellier, France
Université Rennes, CNRS, Géosciences Rennes, UMR 6118, F-35000, Rennes, France
Odonata Rudiaeschnidae Aeshnoptera aeshnid characters Early Cretaceous Jehol biota

Abstract

Rudiaeschna jarzembowskii sp. nov., the second species of the small aeshnopteran family Rudiaeschnidae, is described from the Lower Cretaceous Yixian Formation at the Liutiaogou locality, Ningcheng County, Inner Mongolia, NE China. The new species differs from the type species of the family, namely Rudiaeschna limnobia, in possessing less cells and crossveins in nearly all parts of forewing. It also shows a distally forked vein RP2, a character that was previously only known in taxa of the much more recent and derived aeshnopteran family Aeshnidae.

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