Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.18375303. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.

Distribution


Plots are based on the following information

FO/LO	Location	Source	Calibration	Age (Ma)	Paleolatitude
FO	Arctic Basin, Arctic	Williams et al., 2025	1 in stage_Turonian	89.39	75.146
FO	Enisey, Russia	Lebedeva, 1988	0 in stage_Santonian	85.7	55.132
LO	Arctic Basin, Arctic	Williams et al., 2025	0.6 in stage_Santonian	84.47	75.102
LO	Enisey, Russia	Lebedeva, 1988	1 in stage_Santonian	83.65	55.211