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	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
LO	DSDP 403_406	Duosphaeridium nudum	Costa and Downie, 1979	0.5 in nan_n_NP14	47.761	47.136
LO	Australia synthesis	Duosphaeridium nudum	Cookson, 1965a	0 in stage_Priabonian	37.71	-41.724
LO	Volga Basin	Duosphaeridium nudum	Vasilyeva, 2024	0 in nan_c_CP13c	43.645	50.035
FO	Aktulagay	Duosphaeridium nudum	Iakovleva and Heilmann-Clausen, 2020	0.75 in nan_n_NP13	49.261	43.177
FO	Dababiya	Duosphaeridium rugosum	Soliman and Slimani, 2018b	0.55 in nan_n_NP2	65.059	8.715
LO	Gulf Coast	Duosphaeridium rugosum	Drugg, 1970b	1 in stage_Danian	61.66	31.446