The oldest aktassiid dragonfly (Odonata: Petaluroidea) from the Middle Jurassic of China

被引：0
|
作者：
Liu, Yu-Xuan [1 ,2 ,3 ]
Chen, Pei-Chao [1 ]
Shi, Chao-Fan [4 ]
Ren, Dong [2 ,3 ]
Yang, Qiang [1 ]
机构：
[1] Guangzhou Univ, Sch Life Sci, Key Lab Conservat & Applicat Biodivers South China, Guangzhou 510006, Peoples R China
[2] Capital Normal Univ, Coll Life Sci, Beijing 100048, Peoples R China
[3] Capital Normal Univ, Acad Multidisciplinary Studies, Beijing 100048, Peoples R China
[4] Sun Yat sen Univ, Sch Earth Sci & Engn, Guangdong Prov Key Lab Geol Proc & Mineral Resourc, Guangzhou 510275, Peoples R China
来源：
PALAEOENTOMOLOGY | 2024年 / 7卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Aktassiidae; Aktassiinae; Mesozoic; fossil; China;
D O I：
10.11646/palaeoentomology.7.2.7
中图分类号：
Q96 [昆虫学];
学科分类号：
摘要：
A new genus and species of true dragonfly Hongtaous caii gen. et sp. nov. is described from the Middle Jurassic of Inner Mongolia, China. It is assigned to the family Aktasiidae based on the following: large and broad wings; narrow postnodal area with many cells distal of elongated pterostigma; very long and straight IR1; and widened area between RP1 and RP2, which is the oldest member of this family to date. Hongtaous caii sp. nov. differs from other genera by the configuration of wing venation such as: two rows of cells between RA and RP1 at level of Pt, and extending to the end of the wing; an elongated IR1, not distally vanishing; discoidal triangle and subdiscoidal triangle divided into multiple cells by transverse veins; presence of Rspl. In addition, its special cerci are simply discussed.
引用
收藏
页码：237 / 244
页数：8
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