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Sinanthobium daohugouense, a tiny new omaliine rove beetle (Coleoptera: Staphylinidae) from the Middle Jurassic of China

Published online by Cambridge University Press:  12 June 2013

Chen-Yang Cai  and
Di-Ying Huang
Chen-Yang Cai
Affiliation:
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, People's Republic of China
Di-Ying Huang*
Affiliation:
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, People's Republic of China
*
1Corresponding author (e-mail: huangdiying@sina.com). Subject editor: Bradley Sinclair
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Abstract

A new rove beetle, Sinanthobium daohugouense, new genus, new species, is described and illustrated on the basis of a tiny impression fossil from the Middle Jurassic Jiulongshan Formation at Daohugou, Inner Mongolia, China. The new genus is placed in the subfamily Omaliinae (Coleoptera: Staphylinidae), tentatively in the Recent tribe Anthophagini. The first find of a definitive omaliine beetle from the Middle Jurassic of China provides direct evidence on the origin and early evolution of Omaliinae.

Résumé

Un nouveau staphylin, Sinanthobium daohugouense, nouveau genre, nouvelle espèce, est décrit et illustré sur la base d'un minuscule fossile par impression datant du Jurassique moyen de la formation Jiulongshan, à Daohugou, en Mongolie intérieure, en Chine. Ce nouveau genre est placé dans la sous-famille des Omaliinae (Coleoptera: Staphylinidae), provisoirement dans la récente tribu Anthophagini. La première découverte d'un coléoptère omaliine définitive datant du Jurassique moyen de Chine fournit une preuve directe de l'origine et de l’évolution précoce des Omaliinae.

Type
Systematics & Morphology
Information
The Canadian Entomologist , Volume 145 , Issue 5 , October 2013 , pp. 496 - 500
Copyright
Copyright © Entomological Society of Canada 2013 

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