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	Hold With Hope	Hapsocysta bentae	Nøhr-Hansen et al., 2019	0 in stage_Albian	113.2	57.307
LO	Hold With Hope	Hapsocysta bentae	Nøhr-Hansen et al., 2019	0.75 in stage_Cenomanian	95.55	59.075
LO	Labrador Sea	Hapsocysta benteae	Nøhr-Hansen, 2025	0.37 in stage_Turonian	92.231	56.885
LO	Northeast Greenland	Hapsocysta benteae	Nøhr-Hansen, 2025	0.77 in stage_Cenomanian	95.418	58.633
FO	Northeast Greenland	Hapsocysta benteae	Nøhr-Hansen, 2025	0 in stage_Albian	113.2	56.827
FO	Northeast Greenland	Hapsocysta benteae	Nøhr-Hansen, 2025	1 in stage_Aptian	113.2	56.827
FO	DSDP 400A	Hapsocysta dictyota	Davey, 1979b	0.5 in nan_u_BC26	103.669	39.789
FO	Pueblo	Hapsocysta dictyota	Dodsworth, 2000	0.9 in plfor_A_Rotalipora cushmani	98.057	45.657
LO	Pueblo	Hapsocysta dictyota	Dodsworth, 2000	0.1 in amm_b_Mammites nodosoides	93.305	45.765
LO	Trunch borehole	Hapsocysta dictyota	Pearce et al., 2020	0.5 in amm_b_Mantelliceras dixoni	97.305	45.418
LO	Singa	Hapsocysta fenestrata	Versteegh and Zevenboom, 1995	1 in nan_n_NN17	2.39	38.172
FO	Contessa	Hapsocysta fenestrata	Zevenboom, 1995	0 in stage_Chattian	27.29	34.41
FO	Alano	Hapsocysta kysingensis	Iakovleva, 2025	0.5 in nan_a_CNE14	41.144	36.111
LO	Alano	Hapsocysta kysingensis	Iakovleva, 2025	0.35 in mag_C17n.2n	37.693	36.845
FO	Kysing-4	Hapsocysta kysingensis	Heilmann-Clausen and Van Simaeys, 2005	0 in stage_Priabonian	37.71	48.737
LO	Kysing-4	Hapsocysta kysingensis	Heilmann-Clausen and Van Simaeys, 2005	1 in stage_Priabonian	33.9	48.8
FO	Vocontian Basin	Hapsocysta minuta	Duxbury, 2024	1 in amm_t_Neocomites neocomiensiformis	136	30.032
LO	Vocontian Basin	Hapsocysta minuta	Duxbury, 2024	0.1 in amm_t_Saynoceras verrucosum	135.315	29.999
FO	North Sea Compilation	Hapsocysta peridictya	Costa and Davey, 1992	1 in amm_b_Parahoplites nutfieldiensis	114.8	43.676
FO	DSDP 400A	Hapsocysta peridictya	Davey, 1979b	1 in nan_u_BC22	113.173	38.959
LO	ODP 1039	Hapsocysta peridictya	Zegarra and Helenes, 2011	0.25 in stage_Tortonian	10.55	8.278
LO	ODP 765	Hapsocysta peridictya	Helby and McMinn, 1992	1 in nan_n_CC7a	119.401	-49.045
FO	ODP 765	Hapsocysta peridictya	McMinn, 1992	0.8 in nan_n_CC7a	119.825	-49.087
FO	Rio Argos	Hapsocysta peridictya	Leereveld, 1997a	1 in amm_t_Acanthodiscus radiatus	131.61	24.482
LO	Rio Argos	Hapsocysta peridictya	Leereveld, 1997a	0.3 in amm_t_Lyticoceras nodosoplicatum	130.619	24.299
LO	Trunch borehole	Hapsocysta peridictya	Pearce et al., 2020	0.5 in amm_b_Acanthoceras rhotomagense	95.875	45.552
LO	East Coast Basin	Hapsocysta peridictya	Schiøler and Crampton, 2014	0.98 in stage_Cenomanian	94.032	-70.352
LO	Piobbico	Hapsocysta peridictya	Torricelli, 2006	0.55 in nan_c_NC8	111.668	26.384
FO	Central North Sea	Hapsocysta susanae	Duxbury, 2002	0 in stage_Albian	113.2	51.462
LO	Central North Sea	Hapsocysta susanae	Duxbury, 2002	0.75 in stage_Albian	103.675	52.058