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	Haldager 1, Denmark	Davey, 1982	0.5 in amm_b_Surites icenii	138.51	43.836
FO	Speeton, UK	Davey, 2001	0.1 in amm_b_Endemoceras regale	131.72	40.746
LO	Paksa, Siberia	Shulgina et al., 1994	1 in amm_s_Hectoroceras kochi	137.59	73.252