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

FO/LO	Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
FO	North Sea Compilation	Impletosphaeridium polytrichum	Riding and Thomas, 1992	0 in amm_b_Parkinsonia parkinsoni	168.72	39.843156400000005
FO	Czestochowa	Impletosphaeridium polytrichum	Poulsen, 1998	0.5 in amm_t_Procerites aurigerus	167.26999999999998	42.04964626666666
FO	Milne Land	Impletosphaeridium polytrichum	Smelror, 1988a	0.75 in amm_b_Sigaloceras calloviense	163.57	50.6651252375
FO	Kong Karls Land	Impletosphaeridium polytrichum	Smelror, 1988b	1 in amm_b_Peltoceras athleta	162.45	66.84180267857144
LO	Czestochowa	Impletosphaeridium polytrichum	Poulsen, 1998	0.5 in amm_b_Sigaloceras calloviense	163.67000000000002	41.60991826666667
LO	Milne Land	Impletosphaeridium polytrichum	Smelror, 1988a	1 in amm_b_Erymnoceras coronatum	162.91	50.7183649625

Distribution


Histogram


Map