First fossil Coloninae from Upper Cretaceous Burmese amber (Coleoptera: Staphylinoidea: Leiodidae)

被引：14

作者：

Cai, Chenyang ^{[1
]}

Huang, Diying ^{[2
]}

机构：

[1] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, Key Lab Econ Stratig & Palaeogeog, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China

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

来源：

CRETACEOUS RESEARCH | 2017年 / 77卷

基金：

中国国家自然科学基金;

关键词：

Leiodidae; Coloninae; Colonellus; Cenomanian; Burmese amber; MICROTOMOGRAPHY; CHOLEVINAE; BEETLES; GENUS;

D O I：

10.1016/j.cretres.2017.05.005

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Fossil leiodids are sparse, and they are confined to the Cenozoic. Here we describe and illustrate the first definitive Mesozoic leiodid, Colonellus burmiticus sp. nov., based on two well-preserved adults from the Upper Cretaceous Burmese amber. The fossil is firmly placed in the extant Coloninae based on multiple synapomorphies, such as antennae with normal-sized antennomere 8 and abdominal intersegmental membranes with "brick-wall" pattern. It can be further assigned to the extant genus Colonellus (subgenus Pentacolonellus) by its five-segmented antennal club. The discovery suggests that Colonellus is an ancient group, originating no later than the mid-Cretaceous. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：69 / 74

页数：6

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