New perlid stonefly (Insecta: Plecoptera) from mid-Cretaceous Burmese amber

被引：6

作者：

Chen, Zhi-Teng ^{[1
]}

Xu, Chun-Peng ^{[2
,3
,4
]}

机构：

[1] Jiangsu Univ Sci & Technol, Sch Grain Sci & Technol, Zhenjiang 212004, Jiangsu, Peoples R China

[2] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China

[3] Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Peoples R China

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

来源：

CRETACEOUS RESEARCH | 2021年 / 127卷

基金：

中国国家自然科学基金;

关键词：

Plecoptera; Perlidae; Billoperla; Stonefly; Burmese amber; GENUS; SYSTEM;

D O I：

10.1016/j.cretres.2021.104954

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Billoperla starki gen. et sp. nov., a new extinct stonefly genus and species is described based on a well-preserved male adult in mid-Cretaceous Burmese amber and assigned to the subfamily Acroneuriinae of Perlidae. Its sternum 9 with a triangular hammer, and its epiproct is large, well-developed and upcurved, being distinctive for both the extant and extinct Perlidae. The new fossil genus is diagnostic mainly by the RA vein almost reaching wing apex, tergum 10 unmodified, paraprocts reduced, hammer present, and by the large and apically modified epiproct. (c) 2021 Elsevier Ltd. All rights reserved.

引用

页数：8

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