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	DSDP 400A, North Atlantic	Davey, 1979b	1 in nan_u_BC22	113.173	38.959
FO	Vallentigny, France	Davey and Verdier, 1971	0 in amm_b_Leymeriella tardefurcata	111.27	40.016
LO	East Kent, UK	Prince et al., 2008	0.2 in amm_b_Placenticeras polyopsis	84.94	43.829