Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 43, issue 1
Articles | Volume 43, issue 1
https://doi.org/10.5194/jm-43-139-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/jm-43-139-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 43, issue 1
Research article
 | 
12 Jun 2024
Research article |  | 12 Jun 2024

Two new clavate Fragilariopsis and one new Rouxia diatom species with biostratigraphic and paleoenvironmental applications for the Pliocene-Pleistocene, East Antarctica

Grace Duke, Josie Frazer, Briar Taylor-Silva, and Christina Riesselman

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Short summary
Diatoms are dust-sized algae commonly found in the upper 100 m of the Southern Ocean. In this paper, we describe three new species found in sediments west of the Ross Sea, East Antarctica, aged about 3--2 Ma: Fragilariopsis clava, Fragilariopsis armandae, and Rouxia raggattensis. These species may be useful for determining the age of sediments and past environmental conditions at other locations around the Southern Ocean.
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Advances in Antarctic chronology, paleoenvironment, and paleoclimate...