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	Svalbard, Arctic	Feist-Burkhardt, 1994	1 in amm_b_Graphoceras concavum	170.9	64.398
LO	Volga Basin, Russia	Below, 1990	1 in stage_Bajocian	168.17	54.5
LO	Volga Basin, Russia	Feist-Burkhardt, 1994	0 in amm_b_Witchellia laeviuscula	170.67	55.325