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	Sepispinula ancorifera	Powell, 1992	0.5 in nan_n_NN8	10.73	49.25450671764706
400A	Sepispinula huguoniotti	Davey, 1979	0.5 in nan_u_BC21	116.70869989121962	37.69579074980107
Pueblo	Sepispinula ambigua ambigua	Dodsworth, 2000	0.25 in amm_b_Mammites nodosoides	93.2375	45.710149125
Scotian Margin	Sepispinula ambigua	Williams et al., 1993	0 in stage_Coniacian	89.39	40.8312632
Scotian Margin	Sepispinula ambigua	Williams et al., 1993	0.6 in stage_Hauterivian	128.94	35.85424950909091
Scotian Margin	Sepispinula huguoniotti	Fensome et al., 2008	0.5 between 0 nan_c_NC12 1 nan_c_NC18	86.55505	40.07936346835714
765	Sepispinula ancorifera	Helby and McMinn, 1992	0.7 in nan_n_CC7a	120.03668300000001	-51.31941453250818
765	Sepispinula ancorifera	Helby and McMinn, 1992	0.33 in mag_M1n	122.99629733333333	-51.699786857186666
Australia Synthesis	Sepispinula ambigua	Helby et al., 1987	0.4 in stage_Barremian	124.46000000000001	-63.26427041818182
Australia Synthesis	Sepispinula ambigua	Helby et al., 1987	0.55 in stage_Coniacian	87.3605	-54.06388499285715
Trunch borehole	Sepispinula ambigua	Pearce et al., 2020	1 in amm_b_Acanthoceras rhotomagense	95.67	NA
Trunch borehole	Sepispinula pertusa	Pearce et al., 2020	0.75 n amm_b_Mantelliceras dixoni	96.7725	NA
Trunch borehole	Sepispinula pertusa	Pearce et al., 2020	0.33 in amm_b_Acanthoceras rhotomagense	95.9447	NA
748	Sepispinula huguoniotti	Mao and Mohr, 1992	0.8 in nan_n_CC23	72.968342	-60.41478174236167
638B	Sepispinula ancorifera	Masure, 1988	0.5 in nan_n_CC6	123.47120286697606	34.82824294066548
263	Sepispinula ambigua	Oosting et al., 2006	0.6 in amm_t_Toxancyloceras vandenheckii	123.554	-53.16934959272727
Culver Cliff	Sepispinula ambigua	Pearce et al., 2020	0.5 in amm_b_Metoicoceras geslinianum	94.36	NA
east Kent	Sepispinula ambigua	Prince et al., 2008	0.86 in amm_b_Placenticeras polyopsis	84.08200000000001	44.24998217428572
Duneau	Sepispinula ambigua	Tocher and Jarvis, 1995	0 in amm_t_Mantelliceras mantelli	100.25	41.53317571428572

Histogram