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A Mesozoic species of Anotylus (Coleoptera, Staphylinidae, Oxytelinae) from Liaoning, China, with the earliest evidence of sexual dimorphism in rove beetles

Published online by Cambridge University Press:  20 May 2016

Yanli Yue ,
György Makranczy  and
Dong Ren
Yanli Yue
Affiliation:
School of Life Science, Ningxia University, 539 West Helanshan Road, Xixia District, Ningxia 750021, China College of Life Sciences, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing 100048, China,
György Makranczy
Affiliation:
Department of Zoology, Hungarian Natural History Museum, 13 Baross u., 1088 Budapest, Hungary,
Dong Ren
Affiliation:
College of Life Sciences, Capital Normal University, 105 Xisanhuanbeilu, Haidian District, Beijing 100048, China, State Key Laboratory of Palaeobiology and Stratigraphy (Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences), 39 East Beijing Road, Nanjing 210008, China
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Abstract

A new species of the staphylinid subfamily Oxytelinae is described and figured from a series of well-preserved compression fossils of the Yixian Formation (Early Cretaceous), Beipiao City, Liaoning Province, northeastern China. The species is placed in the recent genus Anotylus Thomson, 1859 based on typical morphological features for the genus as well as secondary sexual characters. The strong projection of the anterior pronotal angles is a feature also possessed by males of several recent Neotropical taxa in the genus. This is the earliest fossil rove beetle with clearly demonstrable sexual dimorphism.

Type
Research Article
Information
Journal of Paleontology , Volume 86 , Issue 3 , May 2012 , pp. 508 - 512
Copyright
Copyright © The Paleontological Society 

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