Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 44, issue 1
Articles | Volume 44, issue 1
https://doi.org/10.5194/jm-44-1-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-44-1-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 44, issue 1
Research article
 | 
06 Jan 2025
Research article |  | 06 Jan 2025

Upper Oligocene to Pleistocene planktonic foraminifera stratigraphy at North Atlantic DSDP Site 407, Reykjanes Ridge: diversity trends and biozonation using modern Neogene taxonomic concepts

Tirza Maria Weitkamp, Mohammad Javad Razmjooei, Paul Nicholas Pearson, and Helen Katherine Coxall

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Short summary
Deep Sea Drilling Project Site 407, near Iceland, offers a valuable 25-million-year record of planktonic foraminifera evolution from the Late Cenozoic. Species counts and ranges, assemblage changes, and biostratigraphic zones were identified. Key findings include the shifts in species dominance and diversity. Challenges include sediment gaps and missing biozone markers. We aim to enhance the Neogene–Quaternary Middle Atlas and improve the North Atlantic palaeoceanography and biostratigraphy.
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