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	Sirmiodiniopsis orbis	Riding and Thomas, 1992	0 in amm_b_Parkinsonia parkinsoni	168.72	39.843156400000005
Kandern	Sirmiodiniopsis orbis	Dimter and Smelror, 1990	0.45 in amm_b_Sigaloceras calloviense	163.69	37.381778860000004
Scotian Margin	Sirmiodiniopsis orbis	Williams et al., 1993	0 in stage_Callovian	165.29	29.707176328571432
Scotian Margin	Sirmiodiniopsis orbis	Williams et al., 1993	0.1 in stage_Kimmeridgian	154.226	32.46693681
Nordvik Peninsula	Sirmiodiniopsis orbis	Nikitenko et al., 2008	0.45 in amm_s_Unzoned	136.222	73.39468361
Denmark3	Sirmiodiniopsis orbis	Poulsen and Riding, 2003 sensu Riding et al., 2010	0.05 in stage_Kimmeridgian	154.50300000000001	44.593487018333335
Czestochowa	Sirmiodiniopsis orbis	Poulsen, 1998	0.5 in amm_t_Cadomites bremeri	165.935	41.886580466666665
Czestochowa	Sirmiodiniopsis orbis	Poulsen, 1998	0.5 in amm_t_Zigzagiceras zigzag	167.87	42.12293426666667
nw Australia compilation	Sirmiodiniopsis orbis	Riding et al., 2010	0.3 in stage_Callovian	164.162	-40.610978255714286
Kimmeridge	Sirmiodiniopsis orbis	Riding and Thomas, 1988	1 in amm_b_Pictonia baylei	153.4	36.99211733333333
Isle of Skye	Sirmiodiniopsis orbis	Riding and Thomas, 1997	0.8 in amm_b_Kosmoceras jason	163.334	43.23330672666666
Isle of Skye	Sirmiodiniopsis orbis	Riding and Thomas, 1997	0.6 in amm_b_Perisphinctes pumilus	158.116	43.84450266222222
North Sea Coast	Sirmiodiniopsis orbis	Riley and Fenton, 1982	1 in amm_b_Cardioceras cordatum	159.1	36.7461225
Kong Karls Land	Sirmiodiniopsis orbis	Smelror, 1988b	0.6 between 0 amm_b_Macrocephalites herveyi 1 amm_b_Peltoceras athleta	163.58599999999998	66.70083725
Kong Karls Land	Sirmiodiniopsis orbis	Smelror, 1988b	0.25 between 0 amm_b_Cardioceras cordatum 1 amm_b_Perisphinctes plicatilis	159.33249999999998	67.22865102678573

Histogram