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	Isabelidinium amphiatum	Costa and Davey, 1992	0.7 in amm_b_Bostrychoceras polyplocum	78.781	44.181006366666665
North Sea Compilation	Isabelidinium amphiatum	Costa and Davey, 1992	1 in amm_b_Subprionocyclus neptuni	89.6	45.7742788
Bohemian Basin	Isabelidinium amphiatum	Olde et al., 2015	0.75 in nan_u_UC9a	89.99374999999999	43.3482340125
Bohemian Basin	Isabelidinium amphiatum	Olde et al., 2015	1 in nan_u_UC9c	87.18	43.256188

Distribution


Histogram


Map