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
FO	Bering Sea	Hystrichosphaeropsis arctica	Matsuoka and Bujak, 1988	0 in stage_Tortonian	11.65	60.43
LO	Bering Sea	Hystrichosphaeropsis arctica	Matsuoka and Bujak, 1988	1 in stage_Messinian	5.333	58.435
LO	Suvlu	Hystrichosphaeropsis complanata	King et al., 2018	1 in nan_n_NP12	50.646	38.223
FO	Suvlu	Hystrichosphaeropsis complanata	King et al., 2018	0.6 in nan_n_NP12	51.56	38.133
LO	ODP 913	Hystrichosphaeropsis costae	Eldrett et al., 2004	0 in mag_C21n	47.76	61.935
LO	Central Graben	Hystrichosphaeropsis costae	Bujak and Mudge, 1994	0.25 in nan_n_NP15	45.889	49.545
LO	DSDP 338	Hystrichosphaeropsis costae	Eldrett and Harding, 2009	0.25 in mag_C21n	47.379	59.198
FO	Aktulagay	Hystrichosphaeropsis costae	Iakovleva and Heilmann-Clausen, 2020	0.75 in nan_n_NP13	49.261	43.177
FO	Australia synthesis	Hystrichosphaeropsis galeata	Helby et al., 1987	0.65 in stage_Albian	104.945	-54.167
LO	Australia synthesis	Hystrichosphaeropsis galeata	Helby et al., 1987	0.67 in stage_Cenomanian	96.078	-55.108
FO	Gulf of Mexico	Hystrichosphaeropsis gulficum	Bruno and Helenes, 2024	0 in stage_Lutetian	48.07	23.193
LO	Gulf of Mexico	Hystrichosphaeropsis gulficum	Bruno and Helenes, 2024	0.5 in stage_Lutetian	44.55	23.139
FO	South Sweden	Hystrichosphaeropsis irisiae	Kjellström, 1973	0.5 in stage_Maastrichtian	69.105	45.992
LO	South Sweden	Hystrichosphaeropsis irisiae	Kjellström, 1973	1 in stage_Maastrichtian	66.04	45.71
LO	Marche	Hystrichosphaeropsis minimum	Zevenboom, 1995	0.5 in mag_C5ADn	14.386	38.22
FO	Shukheir-1	Hystrichosphaeropsis minimum	Soliman et al., 2012	0.25 in nan_n_NN3	18.87	22.01
FO	Contessa	Hystrichosphaeropsis minimum	Zevenboom, 1995	0.5 in mag_C7An	24.71	35.035
FO	Scotian Margin	Hystrichosphaeropsis obscura	Williams et al., 1993	0.5 in stage_Chattian	25.165	39.844
LO	Scotian Margin	Hystrichosphaeropsis obscura	Fensome et al., 2008	0.25 between 0 nan_n_NN10 1 nan_n_NN11	8.59	41.653
LO	North Sea Compilation	Hystrichosphaeropsis obscura	Powell, 1992	0.33 in plfor_A_N17	7.636	49.918
FO	North Sea Compilation	Hystrichosphaeropsis obscura	Powell, 1992	0.9 in nan_n_NN1	22.725	46.24
FO	Bordeaux	Hystrichosphaeropsis obscura	Londeix and Jan du Chene, 1998	0.6 in nan_n_NN2	20.58	38.665
LO	Chesapeake Bay	Hystrichosphaeropsis obscura	De Verteuil and Norris, 1996a	0.8 in nan_n_NN11	6.082	36.857
LO	DSDP 548	Hystrichosphaeropsis obscura	Brown and Downie, 1985	0.5 in nan_n_NN5	14.26	44.306
FO	DSDP 548	Hystrichosphaeropsis obscura	Brown and Downie, 1985	0 in nan_n_NP15	46.723	40.071
LO	Jylland	Hystrichosphaeropsis obscura	Dybkjaer and Piasecki, 2010	0.33 in nan_n_NN11	7.379	53.322
FO	Northwest Pacific	Hystrichosphaeropsis obscura	Bujak and Matsuoka, 1986	0.5 in stage_Burdigalian	18.22	56.194
LO	Northwest Pacific	Hystrichosphaeropsis obscura	Bujak and Matsuoka, 1986	0.5 in stage_Langhian	14.905	54.567
LO	ODP 1168	Hystrichosphaeropsis obscura	Hou et al., 2023	0.2 in mag_C5Er	18.608	-48.182
LO	Oga	Hystrichosphaeropsis obscura	Matsuoka et al., 1987	1 in plfor_A_N11	13.4	29.342
FO	Shukheir-1	Hystrichosphaeropsis obscura	Soliman et al., 2012	0 in nan_n_NN3	19.18	21.913
LO	Jutland	Hystrichosphaeropsis obscura	Śliwińska et al., 2012	0.25 in mag_C8n.2n	25.816	49.57
LO	DSDP 611	Hystrichosphaeropsis obscura	Mudie, 1987	0.5 in nan_n_NN12	5.305	48.255
LO	Gulf Coast	Hystrichosphaeropsis obscura	Wrenn and Kokinos, 1986	0.5 in plfor_A_N17	7.15	28.928
FO	IODP U1356A	Hystrichosphaeropsis obscura	Bijl et al., 2018	0.75 in mag_C5Bn	14.878	-59.459
LO	ODP 907	Hystrichosphaeropsis obscura	Schreck and Matthiessen, 2014	0.75 in mag_C3Br	7.295	66.284
FO	Contessa	Hystrichosphaeropsis obscura	Montanari et al., 1997	0.5 in mag_C6n	19.086	36.509
LO	Lobo X-1	Hystrichosphaeropsis obscura	Daners et al., 2025	0 in stage_Langhian	15.99	-40.064
FO	Lemme	Hystrichosphaeropsis obscura	Powell, 1986	0.75 in plfor_A_P22	24.38	37.172
LO	Buenaventura 1-ST-P	Hystrichosphaeropsis obscura	Duque-Herrera et al., 2018	1 in nan_n_NN11	5.53	1.09
FO	Scotian Margin	Hystrichosphaeropsis ovum	Williams et al., 1993	0.85 in stage_Albian	102.405	40.673
LO	Scotian Margin	Hystrichosphaeropsis ovum	Williams et al., 1993	0.9 in stage_Campanian	73.318	38.185
LO	Stevns Klint	Hystrichosphaeropsis ovum	Surlyk et al., 2013	0.75 in nan_u_UC20d	66.35	45.561
FO	Stevns Klint	Hystrichosphaeropsis ovum	Surlyk et al., 2013	0.75 in nan_u_UC19	69.42	45.844
FO	DSDP 548	Hystrichosphaeropsis ovum	Brown and Downie, 1985	0.75 in nan_n_NP12	51.217	39.456
LO	DSDP 548	Hystrichosphaeropsis ovum	Brown and Downie, 1985	0.75 in nan_n_NP12	51.217	39.456
LO	East Kent	Hystrichosphaeropsis ovum	Prince et al., 2008	0.3 in amm_b_Scaphites hippocrepis III	81.362	43.469
FO	Isle of Wright	Hystrichosphaeropsis ovum	Clarke and Verdier, 1967	0.3 in stage_Santonian	85.085	42.86
LO	Isle of Wright	Hystrichosphaeropsis ovum	Clarke and Verdier, 1967	1 in stage_Maastrichtian	66.04	40.262
LO	Rif	Hystrichosphaeropsis ovum	Slimani et al., 2016	0.5 in stage_Selandian	60.45	23.025
FO	Rif	Hystrichosphaeropsis ovum	Slimani et al., 2016	0.25 in stage_Selandian	61.055	23.099
LO	Meer	Hystrichosphaeropsis ovum	Slimani et al., 2011	0.85 in stage_Maastrichtian	66.96	41.549
FO	M8 Hartuv B	Hystrichosphaeropsis ovum	Hoek et al., 1996	1 in nan_n_CC24	70.143	14.602
LO	Stevns Klint	Hystrichosphaeropsis perforata	Surlyk et al., 2013	0.5 in nan_u_UC20a	69.087	45.813
FO	Stevns Klint	Hystrichosphaeropsis perforata	Surlyk et al., 2013	1 in nan_u_UC19	69.179	45.821
FO	Dan Field	Hystrichosphaeropsis perforata	Schiøler, 1993	0.55 in stage_Maastrichtian	68.798	45.817
LO	Dan Field	Hystrichosphaeropsis perforata	Schiøler, 1993	0.67 in stage_Maastrichtian	68.063	45.752
LO	Labrador Sea	Hystrichosphaeropsis perforata	Nøhr-Hansen, 2025	0.67 in stage_Maastrichtian	68.063	53.257
FO	Bistrita	Hystrichosphaeropsis pontiana	Balteş, 1969	0 in stage_Zanclean	5.333	45.537
LO	Bistrita	Hystrichosphaeropsis pontiana	Balteş, 1969	1 in stage_Zanclean	3.6	46.013
FO	Java	Hystrichosphaeropsis procera	Morgenroth et al., 2008	0 in stage_Burdigalian	20.45	-5.988
FO	Java	Hystrichosphaeropsis procera	Morgenroth et al., 2008	0 in stage_Burdigalian	20.45	-5.988
LO	Java	Hystrichosphaeropsis procera	Morgenroth et al., 2008	1 in stage_Langhian	13.82	-6.202
LO	Java	Hystrichosphaeropsis procera	Morgenroth et al., 2008	1 in stage_Langhian	13.82	-6.202
LO	Stevns Klint	Hystrichosphaeropsis quasicribrata	Surlyk et al., 2013	1 in nan_u_UC20d	66.04	45.532
FO	Omsk No. 8	Hystrichosphaeropsis quasicribrata	Lebedeva et al., 2013	0.2 in mag_C31r	71.015	51.584
FO	Poigny	Hystrichosphaeropsis quasicribrata	Pearce et al., 2022	0.25 in nan_u_UC15a	80.51	39.866
LO	Poigny	Hystrichosphaeropsis quasicribrata	Pearce et al., 2022	1 in nan_u_UC15d	75.85	39.453
LO	Labrador Sea	Hystrichosphaeropsis quasicribrata	Nøhr-Hansen, 2025	0.72 in stage_Maastrichtian	67.756	53.226
FO	Marche	Hystrichosphaeropsis rectangularis	Biffi and Manum, 1988	0 in nan_n_NP22	32.92	33.91
LO	Marche	Hystrichosphaeropsis rectangularis	Biffi and Manum, 1988	0.25 in plfor_A_P20	30.006	34.26
FO	Massignano	Hystrichosphaeropsis rectangularis	Van Mourik and Brinkhuis, 2005	0.5 in mag_C13r	34.414	33.952
FO	Monte Cagnero	Hystrichosphaeropsis rectangularis	Brinkhuis and Biffi, 1993	0.75 in mag_C13r	34.07	33.52
FO	Bou Regreg	Hystrichosphaeropsis somphosa	Warny and Wrenn, 1997	0 in stage_Messinian	7.25	30.76
LO	Bou Regreg	Hystrichosphaeropsis somphosa	Warny and Wrenn, 1997	1 in stage_Messinian	5.333	31.331
FO	Volga Basin	Hystrichosphaeropsis tenerum	Vasilyeva, 2024	0.33 in nan_c_CP13c	43.033	50.085
LO	Volga Basin	Hystrichosphaeropsis tenerum	Vasilyeva, 2024	1 in nan_c_CP13c	41.79	50.184
FO	Bering Sea	Hystrichosphaeropsis variabilis	Matsuoka and Bujak, 1988	0 in stage_Tortonian	11.65	60.43
LO	Bering Sea	Hystrichosphaeropsis variabilis	Matsuoka and Bujak, 1988	1 in stage_Messinian	5.333	58.435