Articles | Volume 24, issue 1
https://doi.org/10.5194/fr-24-19-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/fr-24-19-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The first described turtle beetles from Eocene Baltic amber, with notes on fossil Chelonariidae (Coleoptera: Byrrhoidea)
Vitalii I. Alekseev
Shirshov Institute of Oceanology, Russian Academy of Sciences,
Nahimovskiy prospekt 36, Moscow 117997, Russia
Kaliningrad Regional Amber Museum, Marshal Vasilevskii square 1,
Kaliningrad 236016, Russia
Jerit Mitchell
Physics Department, University of Regina, Regina, SK, S4S 0A2,
Canada
Ryan C. McKellar
Royal Saskatchewan Museum, 2445 Albert St., Regina, SK, S4P 4W7,
Canada
Biology Department, University of Regina, Regina, SK, S4S 0A2,
Canada
Department of Ecology & Evolutionary Biology, University of
Kansas, Lawrence, Kansas 66045, USA
Mauricio Barbi
Physics Department, University of Regina, Regina, SK, S4S 0A2,
Canada
Hans C. E. Larsson
Redpath Museum, McGill University, Montreal, QC, H3A 0C4,
Canada
Institute of Life Sciences and Technologies, Daugavpils University,
Vienības 13, Daugavpils 5401, Latvia
Related authors
Vitalii I. Alekseev and Andris Bukejs
Foss. Rec., 24, 223–231, https://doi.org/10.5194/fr-24-223-2021, https://doi.org/10.5194/fr-24-223-2021, 2021
Short summary
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A new micro-histerid species is described and illustrated from Eocene Baltic amber. As the first extinct member of the subfamily Abraeinae (Histeridae) and the smallest known fossil histerid specimen, this material was examined using a combination of light microscopy and X-ray micro-computed tomography (μCT). Internal features of the abdomen are well preserved, allowing us to study sclerotized parts of the aedeagus and illustrate these structures in detail.
Vitalii I. Alekseev and Andris Bukejs
Foss. Rec., 24, 223–231, https://doi.org/10.5194/fr-24-223-2021, https://doi.org/10.5194/fr-24-223-2021, 2021
Short summary
Short summary
A new micro-histerid species is described and illustrated from Eocene Baltic amber. As the first extinct member of the subfamily Abraeinae (Histeridae) and the smallest known fossil histerid specimen, this material was examined using a combination of light microscopy and X-ray micro-computed tomography (μCT). Internal features of the abdomen are well preserved, allowing us to study sclerotized parts of the aedeagus and illustrate these structures in detail.
Robin Kundrata, Matthew L. Gimmel, Gabriela Packova, Andris Bukejs, and Stephan M. Blank
Foss. Rec., 24, 141–149, https://doi.org/10.5194/fr-24-141-2021, https://doi.org/10.5194/fr-24-141-2021, 2021
Short summary
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Dascillidae are a species-poor beetle group with a scarce fossil record. Here, we used light microscopy and X-ray microtomography to describe Baltodascillus serraticornis gen. et sp. nov. based on a well-preserved specimen from Eocene Baltic amber. We tentatively place this species in the subfamily Karumiinae. This is the first representative of the Dascillidae formally described from Baltic amber and the first described fossil member of the subfamily Karumiinae.
Andris Bukejs and Andrei A. Legalov
Foss. Rec., 24, 117–127, https://doi.org/10.5194/fr-24-117-2021, https://doi.org/10.5194/fr-24-117-2021, 2021
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Baltocar sontagae sp. nov. and Pseudomesauletes lobanovi sp. nov. from the family Rhynchitidae are described from Eocene Baltic amber. It is the first record of Pseudomesauletes from Baltic amber. Keys to species of the genus Baltocar and to the Eocene species of the genus Pseudomesauletes are given. Assumed trophic relationships of the genus Baltocar with Cupressaceae and Pseudomesauletes lobanovi sp. nov. with Rosaceae are discussed.
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Short summary
Two new fossil species of turtle beetles have been identified from inclusions in Baltic amber (approx. 41–38 million years old). These beetles are the first described representatives of the family from this amber type and the first known turtle beetles from Europe. The paper also contains a discussion about possible association of the fossil turtle beetles with orchids in the Eocene
amberiferous forestand remarks concerning fossil beetles of the group.
Two new fossil species of turtle beetles have been identified from inclusions in Baltic amber...