Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 45, issue 1
Articles | Volume 45, issue 1
https://doi.org/10.5194/jm-45-177-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-45-177-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 45, issue 1
Research article
 | 
16 Mar 2026
Research article |  | 16 Mar 2026

Unraveling Southern Ocean diatom diversity across the Eocene–Oligocene transition

Volkan Özen, Johan Renaudie, and David Lazarus

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Short summary
The Eocene–Oligocene transition was a pivotal interval in Earth's geological history, marked by cooling and Antarctic glaciation. Our research explores how Southern Ocean diatoms responded to these changes. By analyzing records from multiple sites, we revealed previously unrecognized diatom diversity, and identified distinct patterns in diversity and extinction. These findings deepen our understanding of the interplay between climatic perturbations and the biosphere.
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