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	Treeless Creek, Canada	Williams et al., 2025	0.33 in stage_Coniacian	88.172	77.144
FO	Saskatchewan, Canada	Manum and Cookson, 1964	0 in stage_Cenomanian	100.5	62.147
LO	Labrador Sea, Greenland	Nøhr-Hansen, 2025	0 in stage_Campanian	83.65	55.11
LO	Saskatchewan, Canada	Manum and Cookson, 1964	1 in stage_Maastrichtian	66.04	59.467