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	Milne Land, Greenland	Smelror, 1988a	0 in amm_b_Clydoniceras discus	165.5	50.509
LO	Milne Land, Greenland	Smelror, 1988a	0 in amm_b_Sigaloceras calloviense	163.87	50.641
LO	Kong Karls Land, Svalbard	Smelror, 1988b	0.75 between 0 amm_b_Cardioceras cordatum 1 amm_b_Perisphinctes plicatilis	158.678	67.36