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	Moray Firth	Exiguisphaera asketa	Duxbury, 2018	0 in stage_Valanginian	137.7	44.377
LO	Moray Firth	Exiguisphaera asketa	Duxbury, 2018	0.5 in stage_Valanginian	135.15	44.47
LO	Vocontian Basin	Exiguisphaera asketa	Duxbury, 2024	0.2 in amm_t_Thurmanniceras pertransiens	137.416	30.101
FO	Speeton	Exiguisphaera lasia	Duxbury, 2023	0 in amm_b_Haplocrioceras fissicostatum	125.32	42.249
LO	Speeton	Exiguisphaera lasia	Duxbury, 2023	1 in amm_b_Haplocrioceras fissicostatum	124.76	42.401
LO	Speeton	Exiguisphaera lita	Duxbury, 2023	0.5 in amm_b_Speetoniceras inversum	130.425	40.861
FO	Speeton	Exiguisphaera lita	Duxbury, 2023	0 in stage_Hauterivian	132.6	40.797
FO	North Sea Compilation	Exiguisphaera phragma	Costa and Davey, 1992	0.5 in amm_b_Paratollia/Platylenticeras	135.57	39.621
LO	North Sea Compilation	Exiguisphaera phragma	Costa and Davey, 1992	0 in amm_b_Speetoniceras inversum	130.91	39.329
LO	ODP 638B	Exiguisphaera phragma	Masure, 1988a	1 in nan_n_CC3b	132.966	34.487
FO	ODP 638B	Exiguisphaera phragma	Masure, 1988a	1 in nan_n_CC3b	132.966	34.487
LO	ODP 765	Exiguisphaera phragma	Helby and McMinn, 1992	1 in mag_M1n	121.4	-49.352
FO	ODP 765	Exiguisphaera phragma	Helby and McMinn, 1992	0.5 in mag_M1n	122.591	-49.564
LO	Salzburg	Exiguisphaera phragma	Boorova et al., 1999	0.2 in stage_Valanginian	136.68	28.805
FO	Salzburg	Exiguisphaera phragma	Boorova et al., 1999	0.5 in stage_Berriasian	140.4	29.354
LO	Central Danish Trough	Exiguisphaera phragma	Heilmann-Clausen, 1987	0.5 in amm_b_Speetoniceras inversum	130.425	42.698
FO	Central Danish Trough	Exiguisphaera phragma	Heilmann-Clausen, 1987	0 in amm_b_Surites stenomphalus	138.25	43.121
FO	Haldager 1	Exiguisphaera phragma	Davey, 1982	0 in amm_b_Polyptychites	136.72	43.791
LO	Rio Argos	Exiguisphaera phragma	Leereveld, 1997a	0.1 in amm_t_Toxancyloceras vandenheckii	124.259	24.99
FO	Rio Argos	Exiguisphaera phragma	Leereveld, 1997b	0 in amm_t_Tirnovella alpillensis	138.48	25.398
FO	Vocontian Basin	Exiguisphaera phragma	Duxbury, 2024	0.6 in amm_t_Tirnovella alpillensis	137.946	30.127
LO	Speeton	Exiguisphaera phragma	Duxbury, 2023	0.67 in amm_b_Speetoniceras inversum	130.26	40.906
FO	North Sea Compilation	Exiguisphaera plectilis	Costa and Davey, 1992	0.4 in amm_b_Paracrioceras elegans	124.616	40.772
LO	North Sea Compilation	Exiguisphaera plectilis	Costa and Davey, 1992	1 in amm_b_Ancyloceras inexum / S. pingue	121.55	41.628
LO	Q13_14	Exiguisphaera plectilis	Duxbury, 2001	1 in amm_b_Tropaeum bowerbanki	118.76	48.073
LO	Northeast Greenland	Exiguisphaera plectilis	Nøhr-Hansen, 2025	0.19 in stage_Aptian	119.842	55.048
FO	Central Danish Trough	Exiguisphaera plectilis	Heilmann-Clausen, 1987	0.67 in amm_b_Paracrioceras denckmanni	122.866	44.665
LO	Central Danish Trough	Exiguisphaera plectilis	Heilmann-Clausen, 1987	1 in amm_b_Tropaeum bowerbanki	118.76	45.861
LO	Hold With Hope	Exiguisphaera plectilis	Nøhr-Hansen et al., 2019	0.2 in stage_Aptian	119.76	55.559
LO	Speeton	Exiguisphaera trichota	Duxbury, 2023	0.6 in amm_b_Paracrioceras rarocinctum	125.792	42.121
FO	Speeton	Exiguisphaera trichota	Duxbury, 2023	0.95 in amm_b_Simbirskites variabilis	126.538	41.918