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	Bavaria, Germany	Bucefalo Palliani and Riding, 2003	0 in amm_b_Amaltheus margaritatus	188	42.833
FO	Arctic Basin, Arctic	Bujak et al., 2022	0.5 in amm_b_Pleuroceras spinatum	184.9	71.823
LO	Bavaria, Germany	Bucefalo Palliani and Riding, 2003	1 in amm_b_Pleuroceras spinatum	184.2	42.863