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_Procerites hodsoni	166.04	73.164
FO	Volga Basin, Russia	Feist-Burkhardt, 1994	0.5 in amm_b_Kosmoceras jason	163.385	52.921
FO	Kong Karls Land, Svalbard	Smelror, 1988b	1 in amm_b_Dumortieria pseudoradiosa	175.91	66.172
LO	Arctic Basin, Arctic	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.401
LO	Volga Basin, Russia	Feist-Burkhardt, 1994	1 in amm_b_Peltoceras athleta	162.45	52.612