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	Northeast Greenland, Greenland	Nøhr-Hansen, 2025	0.64 in stage_Valanginian	134.436	52.588
FO	Central Danish Trough, Europe	Heilmann-Clausen, 1987	0 in amm_b_Galbanites kerberus	144.52	43.382
FO	Haldager 1, Denmark	Davey, 1982	0.8 in amm_b_Titanites anguiformis	144.17	43.977
FO	Hold With Hope, Greenland	Nøhr-Hansen et al., 2019	0.6 in stage_Valanginian	134.64	53.08
FO	Volga Basin, Russia	Harding et al., 2011	0.8 in amm_r_Riasanites rjasanensis	138.956	45.196
FO	Boyarka, Siberia	Shulgina et al., 1994	0.6 in amm_s_Unzoned	135.766	68.41
LO	Central Danish Trough, Europe	Heilmann-Clausen, 1987	0 in amm_b_Endemoceras noricum	132.26	42.814
LO	Haldager 1, Denmark	Davey, 1982	0 in amm_b_Paracraspedites oppressus	144.13	43.976
LO	Speeton, UK	Duxbury, 2023	0.2 in amm_b_Endemoceras regale	131.63	40.741