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	North Yorkshire, UK	Bailey et al., 1997	0.55 in amm_b_Pectinatites hudlestoni	147.576	41.41
FO	Vega, Norway	Århus et al., 1989	0.7 in amm_b_Ringsteadia pseudocordata	155.512	53.602
LO	Northeast Greenland, Greenland	Nøhr-Hansen, 2025	0.9 in stage_Berriasian	138.24	52.822
LO	North Yorkshire, UK	Bailey et al., 1997	0 in amm_b_Pectinatites pectinatus	147.36	41.405
LO	Hold With Hope, Greenland	Nøhr-Hansen et al., 2019	0.9 in stage_Berriasian	138.24	53.308
LO	Boyarka, Siberia	Shulgina et al., 1994	1 in amm_s_Unzoned	134.55	68.259
LO	Wollaston, Greenland	Alsen et al., 2023	0.75 in stage_Berriasian	139.05	53.993