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Trihelota, a new and unusual helotid beetle genus from mid-Cretaceous Burmese amber (Coleoptera: Helotidae)
Tihelka, Erok1; Huang, Diying2,3; Cai, Chenyang1,2,3
2020
发表期刊ACTA ENTOMOLOGICA MUSEI NATIONALIS PRAGAE
ISSN0374-1036
卷号60期号:2页码:509-516
摘要

A new genus belonging to the cucujoid family Helotidae, Trihelota gen. nov., is described from mid-Cretaceous (ca 99 million years old) amber from Kachin State, northern Myanmar, containing a single species T. fulvata sp. nov. The minute fossil was documented using fluorescence microscopy and X-ray microtomography to reveal fine morphological details. Trihelota is characterised by its transverse head. antennal club about 1.5 times longer than wide, pronotum almost parallel-sided. and elytra not costate. Notably, each elytron possesses three coloured spots, a character unique within Helotidae. The new genus considerably expands the known morphological disparity of Cretaceous helotids. A key to extinct and extant genera of the family Helotidae is provided along with a checklist of fossil species.

关键词Coleoptera Cucujoidea Helotidae Cretaceous Mesozoic fossil Burmese amber
DOI10.37520/aemnp.2020.033
收录类别SCI
语种英语
关键词[WOS]CUCUJOIDEA ; REVISION ; CHECKLIST ; CLASSIFICATION
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB18000000] ; National Natural Science Foundation of China[41688103] ; National Natural Science Foundation of China[41672011] ; Second Tibetan Plateau Scientific Expedition and Research[2019QZKK0706]
WOS研究方向Entomology
WOS类目Entomology
WOS记录号WOS:000588063800011
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Second Tibetan Plateau Scientific Expedition and Research
出版者NARODNI MUZEUM - PRIRODOVEDECKE MUZEUM
文献类型期刊论文
条目标识符http://ir.nigpas.ac.cn/handle/332004/32787
专题中国科学院南京地质古生物研究所
通讯作者Cai, Chenyang
作者单位1.Univ Bristol, Sch Earth Sci, Life Sci Bldg,Tyndall Ave, Bristol BS8 1TQ, Avon, England
2.Chinese Acad Sci, State Key Lab Palaeobiol & Stratig, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China
推荐引用方式
GB/T 7714
Tihelka, Erok,Huang, Diying,Cai, Chenyang. Trihelota, a new and unusual helotid beetle genus from mid-Cretaceous Burmese amber (Coleoptera: Helotidae)[J]. ACTA ENTOMOLOGICA MUSEI NATIONALIS PRAGAE,2020,60(2):509-516.
APA Tihelka, Erok,Huang, Diying,&Cai, Chenyang.(2020).Trihelota, a new and unusual helotid beetle genus from mid-Cretaceous Burmese amber (Coleoptera: Helotidae).ACTA ENTOMOLOGICA MUSEI NATIONALIS PRAGAE,60(2),509-516.
MLA Tihelka, Erok,et al."Trihelota, a new and unusual helotid beetle genus from mid-Cretaceous Burmese amber (Coleoptera: Helotidae)".ACTA ENTOMOLOGICA MUSEI NATIONALIS PRAGAE 60.2(2020):509-516.
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