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	Glossodinium dimorphum	Bailey et al., 1997	0.75 in amm_b_Pectinatites hudlestoni	147.48000000000002	NA
Arctic Basin	Glossodinium dimorphum	Bujak et al., 2022	0 in amm_b_Pictonia baylei	154.78	73.0867148
Arctic Basin	Glossodinium dimorphum	Bujak et al., 2022	0 in amm_b_Glaucolithites glaucolithus	144.91	71.48137896666667
North Sea Compilation	Glossodinium dimorphum	Riding and Thomas, 1992	0.67 in amm_b_Perisphinctes plicatilis	158.5975	40.1494126375
North Sea Compilation	Glossodinium dimorphum	Riding and Thomas, 1992	1 in amm_b_Titanites anguiformis	144.13	39.42543463333333
Haldager 1	Glossodinium dimorphum	Davey, 1982	1 in amm_b_Glaucolithites glaucolithus	144.72	43.99048697777778
Haldager 1	Glossodinium dimorphum	Davey, 1982	0.5 in amm_b_Glaucolithites glaucolithus	144.815	43.992851316666666
Scotian Margin	Glossodinium dimorphum	Williams et al., 1993	0.55 in stage_Oxfordian	157.8175	31.818138320833334
Scotian Margin	Glossodinium dimorphum	Williams et al., 1993	0.2 in stage_Tithonian	148.012	33.50480480444444
534	Glossodinium dimorphum	Habib and Drugg, 1983	0.25 in mag_M19n	143.46399765678362	22.547533043898497
534	Glossodinium dimorphum	Habib and Drugg, 1983	0.3 in mag_M24r	151.6592087221141	20.528711091379876
Volga Basin	Glossodinium dimorphum	Harding et al., 2011	0.5 in amm_r_Dorsoplanites panderi	145.93	46.91653508888889
Central Danish Trough	Glossodinium dimorphum	Heilmann-Clausen, 1987	0 in amm_b_Paracraspedites oppressus	144.13	42.89661835555555
Australia Synthesis	Glossodinium dimorphum	Helby et al., 1987	0.35 in stage_Callovian	163.974	-54.56754495142857
Australia Synthesis	Glossodinium dimorphum	Helby et al., 1987	0.55 in stage_Callovian	163.222	-54.81403014
Denmark3	Glossodinium dimorphum	Poulsen and Riding, 2003 sensu Riding et al., 2010	0.45 in stage_Oxfordian	158.4925	45.13983114107143
Denmark1	Glossodinium dimorphum	Poulsen, 1992	0.67 in amm_b_Perisphinctes pumilus	158.08870000000002	44.314484752999995
nw Australia compilation	Glossodinium dimorphum	Riding et al., 2010	0 in stage_Callovian	165.29	-40.23798007857143
nw Australia compilation	Glossodinium dimorphum	Riding et al., 2010	0.1 in stage_Oxfordian	160.855	-41.70451103214286
Isle of Skye	Glossodinium dimorphum	Riding and Thomas, 1997	0.67 in amm_b_Perisphinctes cautisnigrae	157.4642	43.833785219
Isle of Skye	Glossodinium dimorphum	Riding and Thomas, 1997	0.5 in amm_b_Rasenia cymodoce	152.72	43.6185804
Dorset-Yorkshire	Glossodinium dimorphum	Woollam and Riding, 1983	0.67 in amm_b_Perisphinctes plicatilis	158.5975	38.808459078571424
Dorset-Yorkshire	Glossodinium dimorphum	Woollam and Riding, 1983	1 in amm_b_Titanites anguiformis	144.13	38.48152285625
North Sea Basin	Glossodinium dimorphum	Copestake and Partington, 2023	0.67 in amm_b_Perisphinctes plicatilis	158.5975	43.36522140714286
North Sea Basin	Glossodinium dimorphum	Copestake and Partington, 2023	1 in amm_b_Titanites anguiformis	144.13	42.6419205

Histogram