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	Heterosphaeridium heteracanthum	Costa and Davey, 1992	1 in stage_Maastrichtian	66.04	42.53416133333333
North Sea Compilation	Heterosphaeridium heteracanthum	Costa and Davey, 1992	1 in stage_Maastrichtian	66.04	42.53416133333333
North Sea Compilation	Heterosphaeridium heteracanthum	Costa and Davey, 1992	0 in amm_b_Mantelliceras mantelli	100.25	45.085641875
North Sea Compilation	Heterosphaeridium difficile	Costa and Davey, 1992	1 in amm_b_Placenticeras polyopsis	83.9	44.927435714285714
North Sea Compilation	Heterosphaeridium difficile	Costa and Davey, 1992	0 in amm_t_Watinoceras devonense	93.9	45.488320200000004
Pueblo	Heterosphaeridium difficile	Dodsworth, 2000	0 in amm_b_Fagesia catinus	93.63	45.8639581
Pueblo	Heterosphaeridium difficile	Dodsworth, 2000	0.5 in amm_b_Fagesia catinus	93.49	45.8090963
Scotian Margin	Heterosphaeridium difficile	Williams et al., 1993	0.25 in stage_Santonian	85.1875	39.69672883928571
Scotian Margin	Heterosphaeridium difficile	Williams et al., 1993	0.33 in stage_Turonian	92.41170000000001	41.356676396
Trunch borehole	Heterosphaeridium difficile	Pearce et al., 2020	0.65 in amm_b_Subprionocyclus neptuni	90.335	45.83096224
Trunch borehole	Heterosphaeridium difficile	Pearce et al., 2020	0.75 in amm_b_Placenticeras polyopsis	84.22500000000001	45.07258746428571
Trunch borehole	Heterosphaeridium verdieri	Pearce et al., 2020	0.3 in amm_b_Paratexanites serratomarginatus	87.068	45.573284439999995
Trunch borehole	Heterosphaeridium verdieri	Pearce et al., 2020	0.27 in amm_b_Placenticeras bidorsatum	83.26010000000001	44.90265341157143
748	Heterosphaeridium cordiforme	Mao and Mohr, 1992	0.25 in nan_n_CC24	71.72100000000002	-60.50123605583333
748	Heterosphaeridium conjunctum	Mao and Mohr, 1992	0.2 in nan_n_CC22	76.58318200000001	-60.164234169595
748	Heterosphaeridium cordiforme	Mao and Mohr, 1992	0.8 in nan_n_CC23	72.968342	-60.41478174236167
748	Heterosphaeridium heteracanthum	Mao and Mohr, 1992	0.75 in nan_n_CC24	70.66900000000001	-60.5741510525
638B	Heterosphaeridium galiciae	Masure, 1988	1 in nan_n_CC5	125.42327906728546	34.618488803712786
638B	Heterosphaeridium galiciae	Masure, 1988	0 in nan_n_CC3b	136.5890440672855	34.642114389603485
Hold With Hope	Heterosphaeridium difficile	Nøhr-Hansen et al., 2020	0.6 in stage_Santonian	84.47	58.932126942857145
Hold With Hope	Heterosphaeridium difficile	Nøhr-Hansen et al., 2020	0 in stage_Turonian	93.9	59.119410800000004
east Kent	Heterosphaeridium difficile	Prince et al., 2008	0.5 in amm_b_Prionocyclus germani	89.54499999999999	45.07947845
east Kent	Heterosphaeridium verdieri	Prince et al., 2008	0.95 in amm_b_Placenticeras polyopsis	83.965	44.22943680714286
east Kent	Heterosphaeridium heteracanthum	Prince et al., 2008	0 in amm_b_Peroniceras tridorsatum	89.39	45.089179900000005
east Kent	Heterosphaeridium spinaconjunctum	Prince et al., 2008	0 in amm_b_Peroniceras tridorsatum	89.39	45.089179900000005
east Kent	Heterosphaeridium cordiforme	Prince et al., 2008	0.4 in amm_b_Peroniceras tridorsatum	88.87	45.09076181428572
east Kent	Heterosphaeridium verdieri	Prince et al., 2008	0.5 in amm_b_Peroniceras tridorsatum	88.74000000000001	45.06793362857143
east Kent	Heterosphaeridium conjunctum	Prince et al., 2008	0.75 in amm_b_Peroniceras tridorsatum	88.415	45.010863164285716
east Kent	Heterosphaeridium spinaconjunctum	Prince et al., 2008	0.4 in amm_b_Scaphites hippocrepis III	81.306	43.79489564
east Kent	Heterosphaeridium heteracanthum	Prince et al., 2008	0.4 in amm_b_Scaphites hippocrepis III	81.306	43.79489564
Snøvit field	Heterosphaeridium difficile	Radmacher et al., 2014a	1 in stage_Santonian	83.65	NA
Snøvit field	Heterosphaeridium difficile	Radmacher et al., 2014a	0 in stage_Turonian	93.9	NA
6711	Heterosphaeridium difficile	Radmacher et al., 2015	1 in stage_Coniacian	85.7	60.402415000000005
6711	Heterosphaeridium difficile	Radmacher et al., 2015	0 in stage_Turonian	93.9	60.29890459999999
Fumichon	Heterosphaeridium heteracanthum	Tocher and Jarvis, 1994	0.4 in amm_t_Mantelliceras dixoni	97.518	41.659732944
Rodmell	Heterosphaeridium heteracanthum	Tocher and Jarvis, 1996	0.8 in amm_b_Arrhaphoceras briacensis	100.382	43.163993403999996
more basin	Heterosphaeridium silybum	Vieira and Mahdi, 2022	1 in stage_Maastrichtian	66.04	53.281026600000004
more basin	Heterosphaeridium silybum	Vieira and Mahdi, 2022	0.5 in stage_Maastrichtian	69.105	53.680748575

Histogram