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	Czestochowa, Poland	Poulsen, 1998	0.9 in amm_t_Procerites aurigerus	167.03	42.125
LO	Kong Karls Land, Svalbard	Smelror, 1988b	0.5 between 0 amm_b_Quenstedtoceras lamberti 1 amm_b_Quenstedtoceras mariae	161.055	67.08