A new genus and species of mud cricket (Orthoptera: Ripipterygidae) from mid-Cretaceous Kachin amber of northern Myanmar

被引：0

作者：

Zhao, Jinyang ^{[1
,2
,3
]}

Xu, Chunpeng ^{[2
,3
,5
]}

Cao, Chengquan ^{[4
]}

Jarzembowski, Edmund A. ^{[2
,3
]}

Fang, Yan ^{[2
,3
]}

Xiao, Chuantao ^{[1
]}

机构：

[1] Yangtze Univ, Sch Geosci, Wuhan 430100, Peoples R China

[2] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China

[3] Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China

[4] Leshan Normal Univ, Coll Life Sci, Leshan 614004, Peoples R China

[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CRETACEOUS RESEARCH | 2024年 / 160卷

基金：

中国国家自然科学基金;

关键词：

Mid-Cretaceous; Kachin amber; Orthoptera; Ripipterygidae; Palaeogeography; CAELIFERA; TRIDACTYLOIDEA; INSECTA; PHYLOGENY;

D O I：

10.1016/j.cretres.2024.105880

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

The Ripipterygidae is a small orthopteran family which comprises several bizarre species. A new genus and species of Ripipterygidae, Kallosripipteryx zhangi sp. nov., is described based on a well-preserved inclusion from mid-Cretaceous Kachin amber. The new genus and species are established based on the following combination of characters: wider interocular distance, prosternal process present, fusiform mesotibia, metatibia apical spurs about 1/3rd of metatarsus in length; paraproctal lobe two-segmented; and paraproctal lobe distinctly longer than ovipositor. Additionally, we recognize a kind of metatarsal structure among most Mesozoic ripipterygids: the outer side of apical process is triangular in lateral view. Our new find enriches the biodiversity of fossil Ripipterygidae as well as Tridactyloidea, and provides a new interpretation of biogeography of Tridactyloidea.

引用

页数：10

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