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_Subcraspedites primitivus	143.97	71.399
FO	North Sea Coast, UK/France	Norris, 1965	0 in stage_Tithonian	149.24	36.188
LO	Arctic Basin, Arctic	Williams et al., 2025	0 in stage_Valanginian	137.7	70.471
LO	North Sea Coast, UK/France	Norris, 1965	1 in stage_Tithonian	143.1	36.323