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	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.401
FO	Milne Land, Greenland	Smelror, 1988a	0.5 in amm_b_Sigaloceras calloviense	163.67	50.657
FO	Kong Karls Land, Svalbard	Smelror, 1988b	0.25 between 0 amm_b_Macrocephalites herveyi 1 amm_b_Peltoceras athleta	164.58	66.665
LO	Milne Land, Greenland	Smelror, 1988a	0.8 in amm_b_Sigaloceras calloviense	163.55	50.667