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	Alano	Heteraulacacysta alanoensis	Iakovleva, 2025	1 in stage_Priabonian	33.9	37.178
FO	Alano	Heteraulacacysta alanoensis	Iakovleva, 2025	1 in mag_C18n.1n	38.398	36.695
LO	Massignano	Heteraulacacysta campanula	Van Mourik and Brinkhuis, 2005	1 in mag_C13n	33.214	34.097
FO	Massignano	Heteraulacacysta campanula	Van Mourik and Brinkhuis, 2005	0.8 in mag_C13r	34.001	34.002
FO	Monte Cagnero	Heteraulacacysta campanula	Brinkhuis and Biffi, 1993	0.4 in mag_C17n	37.478	33.068
LO	North Sea Compilation	Heteraulacacysta campanula	Powell, 1992	1 in plfor_A_N10	13.77	48.348
FO	North Sea Compilation	Heteraulacacysta campanula	Powell, 1992	0.2 in nan_n_NP23	31.043	45.423
LO	ODP 959	Heteraulacacysta campanula	Awad and Oboh-Ikuenobe, 2016	0 in nan_c_CN2	19.01	-2.972
FO	Suvlu	Heteraulacacysta campanula	King et al., 2018	0.2 in nan_n_NP11	53.86	37.907
LO	Suvlu	Heteraulacacysta campanula	King et al., 2018	0.33 in nan_n_NP13	50.037	38.283
LO	Chesapeake Bay	Heteraulacacysta campanula	De Verteuil and Norris, 1996a	0.8 in nan_n_NN11	6.082	36.857
LO	Northwest Pacific	Heteraulacacysta campanula	Bujak and Matsuoka, 1986	0.5 in stage_Langhian	14.905	54.567
FO	Priabona	Heteraulacacysta campanula	Brinkhuis, 1994	0.8 in nan_n_NP18	36.86	35.906
LO	Gulf Coast	Heteraulacacysta campanula	Duffield and Stein, 1986	0.5 in plfor_A_N9	14.59	29.17
FO	Suvlu	Heteraulacacysta everriculata	King et al., 2018	0 in nan_n_NP11	54.092	37.884
LO	Suvlu	Heteraulacacysta everriculata	King et al., 2018	0.5 in nan_n_NP12	51.788	38.111
FO	Germany synthesis	Heteraulacacysta fehmarnensis	Morgenroth, 1966a	0 in stage_Ypresian	56	42.929
LO	Germany synthesis	Heteraulacacysta fehmarnensis	Morgenroth, 1966a	1 in stage_Ypresian	48.07	43.915
FO	mid-Nigeria	Heteraulacacysta granulata	Jan du Chêne and Adediran, 1985	0 in stage_Thanetian	59.24	-8.45
LO	mid-Nigeria	Heteraulacacysta granulata	Jan du Chêne and Adediran, 1985	1 in stage_Ypresian	48.07	-6.354
FO	DSDP 403_406	Heteraulacacysta leptalea	Costa and Downie, 1979	0.6 in nan_n_NP12	51.56	46.618
LO	Monte Cagnero	Heteraulacacysta leptalea	Brinkhuis and Biffi, 1993	0.6 in mag_C13n	33.419	33.597
FO	Monte Cagnero	Heteraulacacysta leptalea	Brinkhuis and Biffi, 1993	0.2 in mag_C17n	37.779	33.004
LO	North Sea Compilation	Heteraulacacysta leptalea	Powell, 1992	1 in plfor_A_P16/P17	34.07	45.39
FO	North Sea Compilation	Heteraulacacysta leptalea	Powell, 1992	0.05 in plfor_A_P8	50.792	43.539
LO	ODP 913	Heteraulacacysta leptalea	Firth, 1996	0.5 in mag_C18n.1r	39.624	64.539
FO	Suvlu	Heteraulacacysta leptalea	King et al., 2018	0 in nan_n_NP10	56.001	37.697
LO	Suvlu	Heteraulacacysta leptalea	King et al., 2018	0.2 in nan_n_NP13	50.277	38.259
FO	Priabona	Heteraulacacysta leptalea	Brinkhuis, 1994	0.25 in plfor_A_P16/P17	35.202	36.104
FO	Shukheir-1	Heteraulacacysta leptalea	Soliman et al., 2012	0.75 in nan_n_NN4	15.63	23.025
LO	Shukheir-1	Heteraulacacysta leptalea	Soliman et al., 2012	0.5 in nan_n_NN5	14.26	23.455
LO	Lobo X-1	Heteraulacacysta leptalea	Daners et al., 2025	0 in stage_Langhian	15.99	-40.064
LO	Scotian Margin	Heteraulacacysta porosa	Williams et al., 1993	0.9 in stage_Bartonian	38.042	38.457
FO	Scotian Margin	Heteraulacacysta porosa	Williams et al., 1993	0.8 in stage_Lutetian	42.438	37.999
FO	North Sea Compilation	Heteraulacacysta porosa	Powell, 1992	0.9 in plfor_A_P12	40.685	44.872
LO	North Sea Compilation	Heteraulacacysta porosa	Powell, 1992	0.1 in plfor_A_P14	39.814	44.987
LO	ODP 913	Heteraulacacysta porosa	Eldrett et al., 2004	0 in mag_C16r	36.573	65.419
FO	ODP 913	Heteraulacacysta porosa	Eldrett et al., 2004	0.5 in mag_C20r	44.842	62.869
LO	ODP 913	Heteraulacacysta porosa	Firth, 1996	1 in mag_C17n.1n	36.573	65.419
LO	Central Graben	Heteraulacacysta porosa	Bujak and Mudge, 1994	1 in nan_n_NP17	36.938	50.726
FO	DSDP 338	Heteraulacacysta porosa	Eldrett et al., 2004	0.5 in mag_C20r	44.842	59.533
FO	ODP 643	Heteraulacacysta porosa	Eldrett et al., 2004	0.5 in mag_C20r	44.842	59.277
LO	ODP 647	Heteraulacacysta porosa	Firth et al., 2013	0.9 in mag_C15r	35.36	46.039
FO	ODP 647	Heteraulacacysta porosa	Head and Norris, 1989	0.5 in nan_n_NP18	36.889	45.844
LO	Central North Sea	Heteraulacacysta porosa	Casas-Gallego and Vieira, 2020	0.5 in plfor_A_P15	36.989	52.566
FO	Central North Sea	Heteraulacacysta porosa	Gradstein et al., 1992	0 in nan_n_NP16	43.387	51.745
LO	Central North Sea	Heteraulacacysta porosa	Gradstein et al., 1992	1 in nan_n_NP19-20	34.44	52.59
FO	011-BP	Heteraulacacysta porosa	Iakovleva and Heilmann-Clausen, 2010	0.5 in mag_C17r	38.24	53.071
FO	Crimea	Heteraulacacysta porosa	Vasilyeva and Musatov, 2022	0.2 in nan_a_CNE13	42.585	19.442
FO	IODP exp302	Heteraulacacysta pramparoae	Sluijs and Brinkhuis, 2024	0 in stage_Ypresian	56	77.09
LO	IODP exp302	Heteraulacacysta pramparoae	Sluijs and Brinkhuis, 2024	1 in stage_Ypresian	48.07	78.971
LO	Scotian Margin	Heteraulacacysta pustulata	Fensome et al., 2008	0.25 between 1 nan_n_NP22 1 nan_n_NP25	29.797	39.576
FO	mid-Nigeria	Heteraulacacysta pustulata	Jan du Chêne and Adediran, 1985	0 in stage_Thanetian	59.24	-8.45
FO	Alano	Heteraulacacysta reticulata	Iakovleva, 2025	0 in mag_C18n.1n	39.582	36.443
LO	Alano	Heteraulacacysta reticulata	Iakovleva, 2025	1 in mag_C16r	36.351	37.031