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Type: Article
Published: 2023-08-28
Page range: 398–415
Abstract views: 284
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New species of Notocupes (Coleoptera: Archostemata) from the Middle Jurassic Daohugou beds, with discussion on the generic circumscription

State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China; Bristol Palaeobiology Group, School of Earth Sciences, University of Bristol, Life Sciences Building, Tyndall Avenue, Bristol BS8 1TQ, UK
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China; Bristol Palaeobiology Group, School of Earth Sciences, University of Bristol, Life Sciences Building, Tyndall Avenue, Bristol BS8 1TQ, UK
Integrative Research Center, Field Museum of Natural History, Chicago, IL, 60605, USA
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing 210008, China; Bristol Palaeobiology Group, School of Earth Sciences, University of Bristol, Life Sciences Building, Tyndall Avenue, Bristol BS8 1TQ, UK
Coleoptera Archostemata Notocupes Echinocups adpression fossils Burmese amber new species synonymy new combinations

Abstract

Exquisitely preserved fossils from the Middle Jurassic Haifanggou Formation (the Daohugou beds; ~165 Ma) and mid-Cretaceous Burmese amber (~99 Ma) are studied to clarify the external morphology of Notocupes. Three new species from Daohugou are described as N. spinosus sp. nov., N. robustus sp. nov., and N. daohugouensis sp. nov. Our examination of specimens from Burmese amber does not support the division of Notocupes into Notocupes s.s. and Echinocups. Therefore we treat Echinocups syn. nov. as a junior synonym of Notocupes, and N. ohmkuhnlei comb. rev., N. neli comb. rev. and N. denticollis comb. rev. are returned to Notocupes from Echinocups.

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