Coleoptera from the middle-upper Eocene European ambers: generic composition, zoogeography and climatic implications

@article{Alekseev2017ColeopteraFT,
  title={Coleoptera from the middle-upper Eocene European ambers: generic composition, zoogeography and climatic implications},
  author={Vitalii Igorevich Alekseev},
  journal={Zootaxa},
  year={2017},
  volume={4290},
  pages={401-443}
}
  • V. Alekseev
  • Published 10 July 2017
  • Environmental Science, Geography
  • Zootaxa
The paper contains a review of coleopteran genera known from Baltic, Bitterfeld and Rovno amber localities. Altogether 420 genera (191 extinct and 229 extant) from 78 families are listed from these three Lagerstatten (as of 7 March 2017). The listed beetles were analyzed zoogeographically and distributional maps for 72 genera were compiled. One-quarter (56) of the genera that have survived since the Eocene have cosmopolitan ranges at present; 35 extant genera have been extripated from the… 
A new fossil species of Attagenus Latreille (Coleoptera: Dermestidae) in Rovno and Baltic ambers, with a brief review of known fossil beetles from the Rovno amber Lagerstätte
Abstract. Based on two specimens originating from Eocene Rovno and Baltic ambers, Attagenus (Aethriostoma) gedanicissimus sp. nov. is described, illustrated and compared with the related fossil
Unexpected palaeodiversity of omaliine rove beetles in Eocene Baltic amber (Coleoptera, Staphylinidae, Omaliinae)
TLDR
Five new extinct species of four genera in three tribes of the subfamily Omaliinae of Baltic amber are described and illustrated, further reinforcing the coexistence of thermophilous and temperate-loving beetles in Baltic amber and potentially indicating wetland and riparian habitats of amber-producing forests.
The first fossil Microweiseini (Coleoptera: Coccinellidae) from the Eocene of Europe and its significance for the reconstruction of the evolution of ladybird beetles
TLDR
Analysis of the distribution of Microweiseini genera leads to the conclusion of a possible Gondwanan origin of the tribe and comparison of the diversity of the ladybird beetles from modern ecosystems with those known from Baltic amber suggests substantial differences between these communities and a recent radiation of modern fauna.
The first described turtle beetles from Eocene Baltic amber, with notes on fossil Chelonariidae (Coleoptera: Byrrhoidea)
TLDR
These are the first formally described species of turtle beetles from Eocene Baltic amber and the first known European representatives of this family and the presence of the plants with which their larvae are associated (epiphytic orchids) is proposed in the Eocene amber forest.
New genus and species of Lamprosomatinae (Coleoptera: Chrysomelidae) from Eocene Baltic amber
  • A. Bukejs
  • Biology
    Palaeontologia Electronica
  • 2019
TLDR
The diverse fossil Lamprosomatinae representatives provide strong evidence for the presence of thermophilic, humid and mixed forest, and indicative of warm temperate, humid, equable climate with reduced thermal seasonality in the Eocene Europe.
A second fossil species of the enigmatic rove beetle genus Charhyphus in Eocene Baltic amber, with implications on the morphology of the female genitalia (Coleoptera: Staphylinidae: Phloeocharinae)
TLDR
Another new Charhyphus species is described and illustrated, and X-ray micro-computed tomography is succeeded in visualising not only the general habitus but also each individual body part, recovering a previously undocumented sclerite on the female internal genital segments in the genus.
Small and common: the oldest tropical Chrysomelidae (Insecta: Coleoptera) from the lower Eocene Cambay amber of India
  • K. Nadein, E. Perkovsky
  • Environmental Science, Biology
    Alcheringa: An Australasian Journal of Palaeontology
  • 2019
TLDR
Three new genera and species of flea beetles (Chrysomelidae: Alticini) are described from the lowermost Eocene Cambay amber of India, with similarities to Afrotropical elements interpreted to be a result of Neogene migrations from Laurasia to Africa.
Cretaceous beetles (Insecta: Coleoptera) in amber: the palaeoecology of this most diverse group of insects
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It is argued that saproxylicity was the most common feeding strategy for these fossil beetles and fungivorous species appear to dominate, and it is necessary to identify alternative abiotic or biotic processes that are responsible for the copious resin production at this time.
The first extinct species of Acritus LeConte, 1853 (Histeridae: Abraeinae) from Eocene Baltic amber: a microscopic beetle inclusion studied with X-ray micro-computed tomography
TLDR
The current finding expands the range of known Histeridae diversity from the Eocene “amber forests” of Europe and includes the first extinct member of the subfamily Abraeinae (Histeridae) and the smallest known fossil histerid specimen.
Baltic amber Staphylinini (Coleoptera: Staphylinidae: Staphylininae): a rove beetle fauna on the eve of our modern climate
TLDR
The Staphylinini fauna of Middle Eocene Europe combined thermophilic, freeze-intolerant lineages with freeze-tolerant, temperate lineages and, unlike most other staphyl inid or beetle lineages, all have since become extinct in the Palaearctic region.
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