Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.7791273. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.


Plots are based on the following information

Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
North Sea Compilation	Callaiosphaeridium trycherium	Costa and Davey, 1992	0.5 in amm_b_Simbirskites marginatus	127.63	40.25454732727273
North Sea Compilation	Callaiosphaeridium asymmetricum	Costa and Davey, 1992	0 in amm_b_Speetoniceras inversum	130.91	39.363168563636364
North Sea Compilation	Callaiosphaeridium asymmetricum	Costa and Davey, 1992	0.5 in amm_b_Trachyscaphites spiniger	80.82	44.44455844444444
North Sea Compilation	Callaiosphaeridium trycherium	Costa and Davey, 1992	0.5 in amm_b_Tropaeum bowerbanki	118.935	42.662906475
361	Callaiosphaeridium asymmetricum	Davey, 1978	1 in nan_c_NC6b	119.40135000000001	-42.200174838
400A	Callaiosphaeridium asymmetricum	Davey, 1979	0.9 in nan_u_BC21	115.01060237292519	38.254657284372016
Haldager 1	Callaiosphaeridium asymmetricum	Davey, 1982	0 in amm_b_Endemoceras regale	131.81	43.632629800000004
Speeton	Callaiosphaeridium asymmetricum	Davey, 2001	0.5 in amm_b_Endemoceras regale	131.36	40.7255496
Pueblo	Callaiosphaeridium asymmetricum	Dodsworth, 2000	0.87 in amm_b_Fagesia catinus	93.3864	45.768498568
Isle of Wright	Callaiosphaeridium trycherium	Duxbury, 1983	0.5 in amm_b_Tropaeum bowerbanki	118.935	40.545647425
Scotian Margin	Callaiosphaeridium asymmetricum	Fensome et al., 2008	0.75 in nan_c_NC18	80.04408000000001	38.66205980822222
Scotian Margin	Callaiosphaeridium asymmetricum	Williams et al., 1993	0.6 in stage_Hauterivian	128.94	35.85424950909091
Central Danish Trough	Callaiosphaeridium trycherium	Heilmann-Clausen, 1987	0 in amm_b_Milanowskia speetonensis	129.94	43.026929890909095
Central Danish Trough	Callaiosphaeridium trycherium	Heilmann-Clausen, 1987	1 in amm_b_Parahoplites nutfieldiensis	114.8	47.35207666666667
765	Callaiosphaeridium asymmetricum	Helby and McMinn, 1992	0.8 in nan_n_CC7a	119.82490533333333	-51.298065714842224
Trunch borehole	Callaiosphaeridium asymmetricum	Pearce et al., 2020	0.9 in amm_b_Texanites gallicus	85.286	45.25944623714285
Rio Argos	Callaiosphaeridium asymmetricum	Leereveld, 1997a	0.75 in amm_t_Acanthodiscus radiatus	131.85750000000002	24.161278359264536
Rio Argos	Callaiosphaeridium trycherium	Leereveld, 1997a	0.5 in amm_t_Toxancyloceras vandenheckii	123.695	25.97072186969582
Rio Argos	Callaiosphaeridium asymmetricum	Leereveld, 1997a	1 in amm_t_Imerites giraudi	121.55	26.5074477887927
Rio Argos	Callaiosphaeridium trycherium	Leereveld, 1997a	0.15 in amm_t_Lyticoceras nodosoplicatum	130.7645	24.297672165034353
east Kent	Callaiosphaeridium asymmetricum	Prince et al., 2008	0.92 in amm_b_Placenticeras polyopsis	84.004	44.236285262857145
Snøvit field	Callaiosphaeridium asymmetricum	Radmacher et al., 2014a	0.1 in stage_Campanian	82.50200000000001	NA
6711	Callaiosphaeridium asymmetricum	Radmacher et al., 2015	0.2 in stage_Campanian	81.354	59.76128801375
Fumichon	Callaiosphaeridium asymmetricum	Tocher and Jarvis, 1994	1 in amm_t_Acanthoceras rhotomagense	95.67	41.78057736
Fumichon	Callaiosphaeridium asymmetricum	Tocher and Jarvis, 1994	0 in amm_t_Mantelliceras dixoni	98.37	41.60401896
Duneau	Callaiosphaeridium asymmetricum	Tocher and Jarvis, 1995	0.25 in amm_t_Metoicoceras geslinianum	94.465	41.91194445714286
Cordebugle	Callaiosphaeridium asymmetricum	Tocher and Jarvis, 1996	0.6 in amm_b_Mantelliceras mantelli	99.122	41.518248316000005

Histogram