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

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

Histogram