Articles | Volume 39, issue 1
J. Micropalaeontol., 39, 41–60, 2020
https://doi.org/10.5194/jm-39-41-2020
J. Micropalaeontol., 39, 41–60, 2020
https://doi.org/10.5194/jm-39-41-2020

Research article 19 Mar 2020

Research article | 19 Mar 2020

Dinocyst and acritarch biostratigraphy of the Late Pliocene to Early Pleistocene at Integrated Ocean Drilling Program Site U1307 in the Labrador Sea

Aurélie Marcelle Renée Aubry et al.

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Short summary
We used organic-walled microfossils to better define the Plio–Pleistocene transition (2.56 Ma) that is associated with the intensification of the Northern Hemisphere glaciation. The disappearance of species around 2.75 Ma reflects an ecological response accompanying the Greenland ice sheet growth. A strong regionalism marks the Labrador Sea and suggests cooler conditions than elsewhere in the North Atlantic, although our zone boundaries are contemporaneous with the eastern North Atlantic.