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	Labrador Sea	Heterosphaeridium bellii	Nøhr-Hansen, 2025	0.93 in stage_Campanian	72.974	53.755
LO	Poland synthesis	Heterosphaeridium bellii	Niechwedowicz and Walaszczyk, 2021	0.67 in ino_Inoceramus redbirdensis	72.314	42.64
FO	Zumaia	Heterosphaeridium bellii	Radmacher et al., 2014b	0.5 in stage_Campanian	77.91	34.017
LO	ODP 748	Heterosphaeridium conjunctum	Mao Shaozhi and Mohr, 1992	0.2 in nan_n_CC22	76.583	-60.439
LO	Australia synthesis	Heterosphaeridium conjunctum	Cookson and Eisenack, 1968	0.5 in stage_Campanian	77.91	-48.897
FO	East Kent	Heterosphaeridium conjunctum	Prince et al., 2008	0.75 in amm_b_Peroniceras tridorsatum	88.415	44.191
LO	ODP 748	Heterosphaeridium cordiforme	Mao Shaozhi and Mohr, 1992	0.25 in nan_n_CC24	71.721	-60.678
FO	ODP 748	Heterosphaeridium cordiforme	Mao Shaozhi and Mohr, 1992	0.8 in nan_n_CC23	72.968	-60.616
FO	East Kent	Heterosphaeridium cordiforme	Prince et al., 2008	0.4 in amm_b_Peroniceras tridorsatum	88.87	44.251
LO	Scotian Margin	Heterosphaeridium difficile	Williams et al., 1993	0.25 in stage_Santonian	85.188	39.073
FO	Scotian Margin	Heterosphaeridium difficile	Williams et al., 1993	0.33 in stage_Turonian	92.412	41.183
LO	North Sea Compilation	Heterosphaeridium difficile	Costa and Davey, 1992	1 in amm_b_Placenticeras polyopsis	83.9	44.434
FO	North Sea Compilation	Heterosphaeridium difficile	Costa and Davey, 1992	0 in amm_t_Watinoceras devonense	93.9	45.591
FO	East Kent	Heterosphaeridium difficile	Prince et al., 2008	0.5 in amm_b_Prionocyclus germani	89.545	44.339
FO	Pueblo	Heterosphaeridium difficile	Dodsworth, 2000	0 in amm_b_Fagesia catinus	93.63	45.932
LO	Pueblo	Heterosphaeridium difficile	Dodsworth, 2000	0.5 in amm_b_Fagesia catinus	93.49	45.86
FO	Arctic Basin	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0 in stage_Turonian	93.9	74.422
LO	6711	Heterosphaeridium difficile	Radmacher et al., 2015	1 in stage_Coniacian	85.7	59.816
FO	6711	Heterosphaeridium difficile	Radmacher et al., 2015	0 in stage_Turonian	93.9	60.388
FO	Labrador Sea	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0 in stage_Turonian	93.9	57.064
LO	Labrador Sea	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0.2 in stage_Santonian	85.29	55.547
LO	Northeast Greenland	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0.72 in stage_Santonian	84.224	57.851
FO	Northeast Greenland	Heterosphaeridium difficile	Nøhr-Hansen, 2025	1 in stage_Cenomanian	93.9	58.767
FO	Nuussuaq basin	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0.5 in stage_Santonian	84.675	59.563
FO	Nuussuaq basin	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0 in stage_Turonian	93.9	60.913
FO	Treeless Creek	Heterosphaeridium difficile	Williams et al., 2025	0 in stage_Turonian	93.9	79.952
LO	Hold With Hope	Heterosphaeridium difficile	Nøhr-Hansen et al., 2019	0.6 in stage_Santonian	84.47	58.386
FO	Hold With Hope	Heterosphaeridium difficile	Nøhr-Hansen et al., 2019	0 in stage_Turonian	93.9	59.222
LO	Bocieniec	Heterosphaeridium difficile	Jarvis et al., 2023	0.6 in nan_u_UC13iii	83.01	42.483
FO	Southeast Greenland	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0 in stage_Turonian	93.9	51.151
FO	Trunch borehole	Heterosphaeridium difficile	Pearce et al., 2020	0.65 in amm_b_Subprionocyclus neptuni	90.335	45.243
LO	Trunch borehole	Heterosphaeridium difficile	Pearce et al., 2020	0.75 in amm_b_Placenticeras polyopsis	84.225	44.555
FO	Svalbard	Heterosphaeridium difficile	Nøhr-Hansen, 2025	0 in stage_Turonian	93.9	71.855
LO	Snøvit field	Heterosphaeridium difficile	Radmacher et al., 2014a	1 in stage_Santonian	83.65	63.365
FO	Snøvit field	Heterosphaeridium difficile	Radmacher et al., 2014a	0 in stage_Turonian	93.9	63.688
LO	ODP 638B	Heterosphaeridium galiciae	Masure, 1988a	1 in nan_n_CC5	125.423	34.397
FO	ODP 638B	Heterosphaeridium galiciae	Masure, 1988a	0 in nan_n_CC3b	136.589	34.995
LO	ODP 748	Heterosphaeridium heteracanthum	Mao Shaozhi and Mohr, 1992	0.75 in nan_n_CC24	70.669	-60.729
LO	North Sea Compilation	Heterosphaeridium heteracanthum	Costa and Davey, 1992	1 in stage_Maastrichtian	66.04	42.826
LO	North Sea Compilation	Heterosphaeridium heteracanthum	Costa and Davey, 1992	1 in stage_Maastrichtian	66.04	42.826
FO	North Sea Compilation	Heterosphaeridium heteracanthum	Costa and Davey, 1992	0 in amm_b_Mantelliceras mantelli	100.25	45.025
LO	Stevns Klint	Heterosphaeridium heteracanthum	Surlyk et al., 2013	0.75 in nan_u_UC20d	66.35	45.561
FO	Stevns Klint	Heterosphaeridium heteracanthum	Surlyk et al., 2013	0 in nan_u_UC20b	68.995	45.804
FO	East Kent	Heterosphaeridium heteracanthum	Prince et al., 2008	0 in amm_b_Peroniceras tridorsatum	89.39	44.319
LO	East Kent	Heterosphaeridium heteracanthum	Prince et al., 2008	0.4 in amm_b_Scaphites hippocrepis III	81.306	43.464
LO	Rodmell	Heterosphaeridium heteracanthum	Tocher and Jarvis, 1996	0.8 in amm_b_Arrhaphoceras briacensis	100.382	43.098
FO	Fumichon	Heterosphaeridium heteracanthum	Tocher and Jarvis, 1994	0.4 in amm_t_Mantelliceras dixoni	97.518	41.67
FO	Fumichon	Heterosphaeridium heteracanthum	Tocher and Jarvis, 1994	0.4 in amm_t_Mantelliceras dixoni	97.518	41.67
FO	Kachchh	Heterosphaeridium heteracanthum ssp. sparsiprocessum	Varma and Dangwal, 1964	0 in stage_Ypresian	56	-5.104
LO	Kachchh	Heterosphaeridium heteracanthum ssp. sparsiprocessum	Varma and Dangwal, 1964	1 in stage_Chattian	23.04	13.593
LO	More Basin	Heterosphaeridium silybum	Vieira and Mahdi, 2021	1 in stage_Maastrichtian	66.04	53.57
FO	More Basin	Heterosphaeridium silybum	Vieira and Mahdi, 2021	0.5 in stage_Maastrichtian	69.105	53.843
FO	East Kent	Heterosphaeridium spinaconjunctum	Prince et al., 2008	0 in amm_b_Peroniceras tridorsatum	89.39	44.319
LO	East Kent	Heterosphaeridium spinaconjunctum	Prince et al., 2008	0.4 in amm_b_Scaphites hippocrepis III	81.306	43.464
LO	East Kent	Heterosphaeridium verdieri	Prince et al., 2008	0.95 in amm_b_Placenticeras polyopsis	83.965	43.731
FO	East Kent	Heterosphaeridium verdieri	Prince et al., 2008	0.5 in amm_b_Peroniceras tridorsatum	88.74	44.234
FO	Trunch borehole	Heterosphaeridium verdieri	Pearce et al., 2020	0.3 in amm_b_Paratexanites serratomarginatus	87.068	44.841
LO	Trunch borehole	Heterosphaeridium verdieri	Pearce et al., 2020	0.27 in amm_b_Placenticeras bidorsatum	83.26	44.457