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	Vega, Norway	Århus et al., 1989	0.15 in amm_b_Peltoceras athleta	162.841	53.557
FO	Kandern, Germany	Dimter and Smelror, 1990	0.25 in amm_b_Sigaloceras calloviense	163.77	37.469
LO	Arctic Basin, Arctic	Bujak et al., 2022	0 in amm_b_Pictonia baylei	154.78	73.231
LO	Milne Land, Greenland	Smelror, 1988a	0.5 in amm_b_Macrocephalites herveyi	164.945	50.554