First fossil trichophyine rove beetle from mid-Cretaceous amber of northern Myanmar (Coleoptera: Staphylinidae: Trichophyinae)

被引：8

作者：

Yamamoto, Shuhei ^{[1
,2
]}

Newton, Alfred F. ^{[2
]}

机构：

[1] Hokkaido Univ, Hokkaido Univ Museum, Kita Ku, Kita 8,Nishi 5, Sapporo, Hokkaido 0600808, Japan

[2] Field Museum Nat Hist, Integrat Res Ctr, 1400 S Lake Shore Dr, Chicago, IL 60605 USA

来源：

CRETACEOUS RESEARCH | 2021年 / 127卷

基金：

日本学术振兴会;

关键词：

Staphylinidae; Trichophyinae; Trichophya; Kachin amber; Cenomanian; New species; BURMESE AMBER; TACHYPORINE GROUP; SUBFAMILIES; PHYLOGENY; CHECKLIST;

D O I：

10.1016/j.cretres.2021.104951

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Trichophyinae is one of the smallest subfamilies of the megadiverse rove-beetle family Staphylinidae, with only 18 species in the single extant genus Trichophya Mannerheim. Here we describe the first fossil representative of Trichophyinae in mid-Cretaceous amber from Kachin, northern Myanmar. yTrichophya minor sp. nov. is unusual in having non-filiform thick antennae, similar to T. antennalis Cameron, 1932 from India, but this new species can readily be distinguished from the latter by having much smaller and smoother body. Our finding indicates that the subfamily had been originated by the Albian-Cenomanian boundary, also showing a potential Gondwanan distribution at that time. We also briefly discuss a miniaturization trend in the Burmese amber beetles. (c) 2021 Elsevier Ltd. All rights reserved.

引用

页数：8

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