Fossil Record
Fossil Record
Fossil Record
Articles | Volume 24, issue 2
Articles | Volume 24, issue 2
https://doi.org/10.5194/fr-24-379-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/fr-24-379-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 24, issue 2
Research article
 | 
13 Dec 2021
Research article |  | 13 Dec 2021

Past ecosystems drive the evolution of the early diverged Symphyta (Hymenoptera: Xyelidae) since the earliest Eocene

Corentin Jouault, Arvid Aase, and André Nel

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Short summary
Here we describe two new genera of fossil sawfly belonging to the Xyelidae. The fossil record of the family during the Mesozoic and Cenozoic is analyzed, supporting the hypothesis that the Eocene biomes shape the current distribution of the Xyelidae. These discoveries were made possible thanks to the study of old specimens housed in institutional collections or donated by an American citizen.
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