中国中三叠世铜川昆虫动物群首次记录到 Mesoscytina（半翅目，Scytinopteroidea，Scytinopteridae）。

IF 1.3 3区生物学 Q2 ZOOLOGY

ZooKeys Pub Date : 2024-11-27 eCollection Date: 2024-01-01 DOI:10.3897/zookeys.1219.135654

Qianqi Zhang, Xuheng Du, Xiuping Zhu, Haichun Zhang

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引用次数: 0

摘要

根据陕西中三叠统铜川组的一组被甲，建立了一种新的镰刀翼目植物Mesoscytinatongchuanensis sp. nov.。该新种的顶尖较窄，茎RP、M和CuA的末端分支较少弯曲，脉r-m与长脉M1+2相连。这一发现代表了中国铜川组首次记录的中囊藻属，表明中囊藻属在中三叠世从冈瓦纳到盘古大陆北部的传播范围要广得多。

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First record of Mesoscytina (Hemiptera, Scytinopteroidea, Scytinopteridae) from the Middle Triassic Tongchuan Entomofauna of China.

A new scytinopterid species, Mesoscytinatongchuanensis sp. nov., is established based on a tegmen collected from the Middle Triassic Tongchuan Formation in Shaanxi Province, NW China. The new species can be easily separated from its congeners by the narrow tegminal apex, less curved terminal branches of stems RP, M and CuA and crossvein r-m connected to long vein M₁₊₂. This discovery represents the first record of Mesoscytina from the Tongchuan Formation in China and suggests that the genus Mesoscytina spread much more widely from Gondwana to northern Pangea in the Middle Triassic.

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来源期刊

ZooKeys 生物-动物学

CiteScore

2.70

自引率

15.40%

发文量

400

审稿时长

3 months

期刊介绍： ZooKeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematic zoology, phylogeny and biogeography. All papers can be freely copied, downloaded, printed and distributed at no charge. Authors and readers are thus encouraged to post the pdf files of published papers on homepages or elsewhere to expedite distribution. There is no charge for color.