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	MacKenzie, Canada	Felix and Burbridge, 1973	0 in stage_Maastrichtian	72.17	77.769
LO	MacKenzie, Canada	Felix and Burbridge, 1973	1 in stage_Maastrichtian	66.04	78.237
LO	Treeless Creek, Canada	Williams et al., 2025	0.5 in stage_Coniacian	87.545	77.09