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	Isle of Skye, Scotland	Riding and Thomas, 1997	0.8 in amm_b_Perisphinctes cautisnigrae	157.368	43.977
LO	Arctic Basin, Arctic	Williams et al., 2025	0 in stage_Berriasian	143.1	71.271
LO	Isle of Skye, Scotland	Riding and Thomas, 1997	0.5 in amm_b_Rasenia cymodoce	152.72	44.49
LO	Central Danish Trough, Europe	Heilmann-Clausen, 1987	0.4 in amm_b_Prodichotomites	135.15	42.992
LO	Haldager 1, Denmark	Davey, 1982	0 in amm_b_Galbanites okusensis	144.72	43.99
LO	Nordvik Peninsula, Siberia	Nikitenko et al., 2008	0.5 in amm_s_Hectoroceras kochi	138.755	73.517
LO	Moray Firth, Scotland	Duxbury, 2018	0.35 in amm_b_Polyptychites	136.31	44.428
LO	Volga Basin, Russia	Harding et al., 2011	0.5 in amm_r_Craspedites nodiger	142.985	45.915