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A remarkable new species of the rove beetle genus Anthobium Leach, 1819 from Eocene Baltic amber (Coleoptera, Staphylinidae, Omaliinae)

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Title: A remarkable new species of the rove beetle genus Anthobium Leach, 1819 from Eocene Baltic amber (Coleoptera, Staphylinidae, Omaliinae)
Authors: Shavrin, Alexey V. Browse this author
Yamamoto, Shuhei Browse this author
Keywords: Anthobium
Anthophagini
fossil
Omaliini
palaeontology
sexual dimorphism
x-ray micro-CT
Issue Date: 5-Oct-2020
Publisher: Pensoft Publishers
Journal Title: Zookeys
Issue: 973
Start Page: 89
End Page: 101
Publisher DOI: 10.3897/zookeys.973.53940
Abstract: An unusual new omaliine species, Anthobium alekseevi sp. nov., is described and illustrated from Eocene Baltic amber, tentatively placed in the megadiverse genus Anthobium Leach, 1819. A new monotypic species-group is established. The new species can easily be distinguished from other species of the genus by the larger body, shape of the subrectangular pronotum, and the presence of a median carina on the prosternum and large, subtriangular tooth on the inner side of each mesotibia, likely exhibiting a peculiar sexual dimorphism in the male. Based on the study of the specimen with support of microtomographic images, a brief comparative analysis of a new species with described extant species of Anthobium is provided.
Type: article
URI: http://hdl.handle.net/2115/79752
Appears in Collections:総合博物館 (The Hokkaido University Museum) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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