A new campterophlebiid damsel-dragonfly (Odonata: Isophlebioidea) from the Middle Jurassic Yanan Formation of Yulin City, Shaanxi Province, NW China

IF 1.2 4区地球科学 Q3 PALEONTOLOGY

Comptes Rendus Palevol Pub Date : 2023-07-11 DOI:10.5852/cr-palevol2023v22a23

Fusheng Tian, D. Zheng, A. Nel, Yifei Ye, Ting Mei, Haichun Zhang

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引用次数: 0

Abstract

The family Campterophlebiidae Handlirsch, 1920 is the dominant Jurassic clade of Odonata Fabricius, 1793, especially hosting a high diversification in northern China. The Chinese campterophlebiid damsel-dragonflies were mainly recovered from the Middle Jurassic of Inner Mongolia, northern China. In the present study, a new campterophlebiid, Parasinitsia qingyunensis n. gen., n. sp., is described from the early Middle Jurassic Yanan Formation of the Ordos Basin, NW China. Parasinitsia n. gen. resembles the genus Sinitsia Pritykina, 2006 recorded from the Upper Jurassic of eastern Transbaikalia, but differs from the latter in having two or three rows of cells between RA and RP1 distal of the pterostigma, IR2 and RP3/4 with at least four rows of cells near the wing margin, and CuAa with about 15 rows of cells between it and the posterior wing margin in the broadest area. The new damsel-dragonfly comes from a new early Middle Jurassic insect site from the Ordos Basin, providing new clues to understand the terrestrial ecosystems during this epoch.

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陕西榆林市中侏罗统延安组一新种豆娘蜻蜓(蛛形目:等蛉总科)

camterophlebiidae handlrsch, 1920是Odonata Fabricius, 1793的主要侏罗纪分支，尤其在中国北方具有高度的多样性。中国拟恋类豆娘蜻蜓主要产于内蒙古中侏罗世。本文报道了鄂尔多斯盆地早中侏罗世延安组中一种新的喜树类——青云寄生(Parasinitsia qingyunensis n. gen.， n. sp.)。外贝加东部上侏罗统Sinitsia n. gen与Sinitsia Pritykina属(2006)相似，但与后者不同的是，在翼柱头远端RA和RP1之间有2 - 3行细胞，IR2和RP3/4在翼缘附近至少有4行细胞，CuAa在最宽的区域与后翼缘之间约有15行细胞。新发现的豆娘蜻蜓来自鄂尔多斯盆地中侏罗世早期的昆虫遗址，为了解这一时期的陆地生态系统提供了新的线索。

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来源期刊

Comptes Rendus Palevol 地学-古生物学

CiteScore

2.10

自引率

0.00%

发文量

审稿时长

17.6 weeks

期刊介绍： Comptes Rendus Palevol is a fully electronic and peer-reviewed journal, with a continuous publication stream, devoted to palaeontology, prehistory and evolutionary sciences. It publishes original research results, in French or English, in the following domains: systematic and human palaeontology, prehistory, evolutionary biology and macroevolution, and history of sciences. Thematic issues may also be published under the responsibility of a guest editor. All articles published in Comptes Rendus Palevol are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication.