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	0.5 in amm_b_Leioceras opalinum	173.7	72.668
FO	Volga Basin, Russia	Feist-Burkhardt, 1994	0 in amm_b_Amaltheus margaritatus	188	62.929
LO	Volga Basin, Russia	Below, 1990	1 in stage_Aalenian	170.9	55.401
LO	Volga Basin, Russia	Feist-Burkhardt, 1994	0.25 in amm_b_Leioceras opalinum	174.2	57.102