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April 3, 2026The Canadian EntomologistOpen Access

The early Eocene genus Labandeiraia (Odonata, Cephalozygoptera, Eodichromatidae) in the Allenby Formation, Okanagan Highlands, British Columbia, Canada

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Authors

SAS. Bruce ArchibaldRCRobert A. Cannings

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Overview

This research describes new Eodichromatidae specimens, revealing unique morphological features in ancient dragonflies.

Key Points

  • The study aims to describe the first specimens of the genus Labandeiraia from the Allenby Formation, focusing on their distinct characteristics.
  • Described new specimens of Eodichromatidae from the Allenby Formation.
  • Compared the morphology of Labandeiraia with existing species.
  • Analyzed forewing structures and coloration variations.
  • Identified Labandeiraia burlingameae as a new species based on forewing characteristics.
  • Noted distinct coloration and crossvein differences between L. burlingameae and L. americaborealis.
  • Proposed the possibility of sexual dimorphism or polyphenism in the species due to color variations.

Cite This Study

Archibald et al. (2026) studied this question.

synapsesocial.com/papers/69cf5cd15a333a821460a605https://doi.org/10.4039/tce.2026.10048
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