Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.7791273. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.


Plots are based on the following information

Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
North Sea Compilation	Hapsidaulax margarethae	Riding and Thomas, 1992	1 in amm_b_Procerites hodsoni	165.72	39.9339214
North Sea Compilation	Hapsidaulax margarethae	Riding and Thomas, 1992	0 in amm_b_Procerites progracilis	166.97	39.89610265
Czestochowa	Hapsidaulax margarethae	Poulsen, 1998	0.95 in amm_t_Procerites aurigerus	167	42.016666666666666

Histogram