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
Kimmeridge Clay N Yorkshire	Systematophora penicillata	Bailey et al., 1997	0 in amm_b_Pectinatites pectinatus	147.36	NA
Marche	Systematophora urbinii	Montanari et al., 1997	0.5 in mag_C6An.1n	20.0805	37.9105293572896
Arctic Basin	Systematophora ovata	Bujak et al., 2022	0 in amm_b_Progalbanites albani	145.1	71.506433
North Sea Compilation	Systematophora cretacea	Costa and Davey, 1992	1 in amm_b_Dimorphoplites biplicatus	107.59	44.620546445
North Sea Compilation	Systematophora cretacea	Costa and Davey, 1992	0 in amm_b_Lyelliceras lyelli	110.22	44.45389781
North Sea Compilation	Systematophora silybum	Costa and Davey, 1992	1 in amm_b_Proleymeriella schrammeni	111.27	44.387365085
North Sea Compilation	Systematophora daveyi	Riding and Thomas, 1992	0 in amm_b_Rasenia cymodoce	153.4	39.554394333333335
North Sea Compilation	Systematophora areolata	Riding and Thomas, 1992	0.5 in amm_b_Subcraspedites lamplughi	142.505	39.43733505
400A	Systematophora cretacea	Davey, 1979	0.5 in nan_u_BC25	106.11532500000001	39.276104631375
400A	Systematophora cretacea	Davey, 1979	0.5 in nan_u_BC23	111.56510625000001	38.79998449246875
Haldager 1	Systematophora daveyi	Davey, 1982	1 in amm_b_Stolcoceras tuberculatum	132.75	43.671715
Haldager 1	Systematophora ovata	Davey, 1982	0.5 in amm_b_Peregrinoceras albidum	137.2	43.80333088888889
Haldager 1	Systematophora ovata	Davey, 1982	0.8 in amm_b_Progalbanites albani	144.948	43.99616139111111
Haldager 1	Systematophora sylibum	Davey, 1982	0 in amm_b_Endemoceras regale	131.81	43.632629800000004
Isle of Wright	Systematophora cretacea	Duxbury, 1983	0.5 in amm_b_Leymeriella tardefurcata	111.07	42.303684025
Q13_14	Systematophora scoriacea	Duxbury, 2001	0 in amm_b_Polyptychites	136.72	45.07178544
Volga Basin	Systematophora daveyi	Harding et al., 2011	0.75 in amm_r_Craspedites nodiger	142.7275	46.269252905555554
Volga Basin	Systematophora areolata	Harding et al., 2011	0.25 in amm_r_Craspedites subditus	143.8	46.48602422222223
Central Danish Trough	Systematophora scoriacea	Heilmann-Clausen, 1987	1 in amm_b_Endemoceras regale	130.91	42.763620745454546
Central Danish Trough	Systematophora scoriacea	Heilmann-Clausen, 1987	0 in amm_b_Surites stenomphalus	138.25	42.892672222222224
765	Systematophora areolata	Helby and McMinn, 1992	0.75 in nan_n_CC7a	119.93079416666667	-51.30812533049028
Australia Synthesis	Systematophora areolata	Helby et al., 1987	0.5 in stage_Aptian	117.30000000000001	-61.648578
Australia Synthesis	Systematophora areolata	Helby et al., 1987	0.66 in stage_Tithonian	145.1876	-62.369288006666665
Rio Argos	Systematophora silybum	Leereveld, 1997a	0.3 in amm_t_Lyticoceras nodosoplicatum	130.619	24.315828888492273
Rio Argos	Systematophora sylibum	Leereveld, 1997b	0.75 in amm_t_Neocomites neocomiensiformis	136.18	23.621880165815295
638B	Systematophora silybum	Masure, 1988	1 in nan_n_CC4b	127.98967906728548	34.34272445753096
638B	Systematophora areolata	Masure, 1988	1 in nan_n_CC3b	132.96647180046412	34.42408443974955
Angles	Systematophora areolata	Monteil, 1993	1 in amm_t_Fauriella boissieri	138.48	26.656000000000002
Angles	Systematophora scoriacea	Monteil, 1993	1 in amm_t_Thurmanniceras pertransiens	136.72	27.183999999999997
nw Australia compilation	Systematophora geminus	Riding and Helby, 2001d	0.2 in stage_Callovian	164.53799999999998	-40.48664553000001
nw Australia compilation	Systematophora geminus	Riding and Helby, 2001d	0.1 in stage_Oxfordian	160.855	-41.70451103214286
nw Australia compilation	Systematophora areolata	Riding et al., 2010	0.5 in stage_Tithonian	146.17000000000002	-48.727518033333325
Isle of Skye	Systematophora valensii	Riding and Thomas, 1997	0.67 in amm_b_Perisphinctes cautisnigrae	157.4642	43.833785219
Isle of Skye	Systematophora areolata	Riding and Thomas, 1997	0 in amm_b_Perisphinctes plicatilis	159.1	43.72924455555555
Isle of Skye	Systematophora penicillata	Riding and Thomas, 1997	0.9 in amm_b_Perisphinctes plicatilis	158.42499999999998	43.808308805555555
Isle of Skye	Systematophora penicillata	Riding and Thomas, 1997	0 in amm_b_Rasenia cymodoce	153.4	43.64942633333333
Isle of Skye	Systematophora areolata	Riding and Thomas, 1997	0.5 in amm_b_Rasenia cymodoce	152.72	43.6185804
Isle of Skye	Systematophora valensii	Riding and Thomas, 1997	0.5 in amm_b_Rasenia cymodoce	152.72	43.6185804
Silesian Basin	Systematophora silybum	Skupien and Vašíček, 2002	1 in amm_t_Imerites giraudi	121.55	37.704
Silesian Basin	Systematophora silybum	Skupien and Vašíček, 2002	0 in amm_t_Pseudothurmannia ohmi	127.27	35.8736
Zaragoza	Systematophora penicillata	Smelror et al., 1991	0 in amm_t_Macrocephalites gracilis	164.68	29.4549622

Histogram