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	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
FO	Banks Island	Williamsidinium banksianum	Lentin, 1983	0 in stage_Maastrichtian	72.17	76.943
LO	Banks Island	Williamsidinium banksianum	Lentin, 1983	1 in stage_Maastrichtian	66.04	77.032
FO	Hokkaido	Williamsidinium diaphanes	Kurita, 2004	0 in stage_Chattian	27.29	50.601
LO	Hokkaido	Williamsidinium diaphanes	Kurita, 2004	1 in stage_Chattian	23.04	50.448