Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 44, issue 2
Articles | Volume 44, issue 2
https://doi.org/10.5194/jm-44-497-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-44-497-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 44, issue 2
Research article
 | 
10 Nov 2025
Research article |  | 10 Nov 2025

Pliocene to modern Southern Ocean diatom biostratigraphy revised using samples from IODP Expedition 382

Jonathan P. Warnock, Brendan T. Reilly, Linda Armbrecht, and Yuji Kato

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Short summary
Diatoms are a group of algae found in the fossil record. They are used to understand past environmental conditions and to determine the age of sediment. In the Southern Ocean, the waters surrounding Antarctica, diatoms are among the few fossils found in sediments. Using material collected during International Ocean Discovery Program Expedition 382, we refine the ages of diatom origination and extinction dates. This provides more detailed time constraints when using Southern Ocean diatoms.
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