Articles | Volume 45, issue 1
https://doi.org/10.5194/jm-45-475-2026
https://doi.org/10.5194/jm-45-475-2026
Research article
 | 
16 Jun 2026
Research article |  | 16 Jun 2026

Coccolithophore signatures across the termination of the late Miocene to early Pliocene biogenic bloom in the Atlantic and Indian oceans

Boris-Theofanis Karatsolis, Joseph D. Asanbe, and Jorijntje Henderiks

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Cited articles

Auer, G., De Vleeschouwer, D., Smith, R. A., Bogus, K., Groeneveld, J., Grunert, P., Castañeda, I. S., Petrick, B., Christensen, B., Fulthorpe, C., Gallagher, S. J., and Henderiks, J.: Timing and pacing of Indonesian Throughflow restriction and its connection to late Pliocene climate shifts, Paleoceanogr. Paleoclimatol., 34, 635–657, https://doi.org/10.1029/2018PA003512, 2019. 
Ballegeer, A. M., Flores, J. A., Sierro, F. J., and Andersen, N.: Monitoring fluctuations of the Subtropical Front in the Tasman Sea between 3.45 and 2.45 Ma (ODP site 1172), Palaeogeogr. Palaeoclimatol. Palaeoecol., 313–314, 215–224, https://doi.org/10.1016/j.palaeo.2011.11.001, 2012. 
Blair, S. A., Bergen, J. A., de Kaenel, E., Browning, E., and Boesiger, T. M.: Upper Miocene–Lower Pliocene taxonomy and stratigraphy in the circum North Atlantic Basin: Radiation and extinction of Amauroliths, Ceratoliths and the D. quinqueramus lineage, J. Nannoplankton Res., 37, 113–144, 2017a. 
Blair, S. A., Bergen, J. A., de Kaenel, E. P., Browning, E. L., and Boesiger, T.: Upper Miocene–Lower Pliocene nannofossil taxonomy and stratigraphy of ODP Site 154-926, 3510–5480 ka, PANGAEA [data set], https://doi.org/10.1594/PANGAEA.879333, 2017b. 
Bordiga, M., Bartol, M., and Henderiks, J.: Absolute nannofossil abundance estimates: Quantifying the pros and cons of different techniques, Rev. Micropaleontol., 58, 155–165, https://doi.org/10.1016/j.revmic.2015.05.002, 2015. 
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Short summary
Marine sediments help us investigate the end of a long period of high ocean productivity that occurred 9 to 3 million years ago. By comparing fossil assemblages of calcifying algae from the Indian and South Atlantic oceans, we found that the dominant, fast-growing species and their ecological prominence determined how and when this period ended in each region, showing that phytoplankton species’ dynamics control large changes in paleoproductivity and carbonate deposition across ocean basins.
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