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
Arctic Basin	Valvaeodinium spinosum	Bujak et al., 2022	0 in amm_b_Oxycerites orbis	165.72	73.10161685714286
North Sea Compilation	Valvaeodinium spinosum	Riding and Thomas, 1992	0.5 in amm_b_Oxycerites orbis	165.61	39.93724945
North Sea Compilation	Valvaeodinium spinosum	Riding and Thomas, 1992	0 in amm_b_Stephanoceras humphriesianum	170.09	39.801707050000005
Calvados	Valvaeodinium spinosum	Feist-Burkhardt and Monteil, 1997	0.75 in amm_b_Stephanoceras humphriesianum	169.82750000000001	35.923743825
Calvados	Valvaeodinium spinosum	Feist-Burkhardt and Monteil, 1997	0.67 in amm_b_Zigzagiceras zigzag	167.36599999999999	36.02311458
Australia Synthesis	Valvaeodinium spinosum	Helby et al., 1987	0.2 in stage_Bathonian	167.594	-53.38100720857143
Czestochowa	Valvaeodinium spinosum	Poulsen, 1998	1 in amm_t_Procerites aurigerus	166.97	42.01300226666667
Czestochowa	Valvaeodinium spinosum	Poulsen, 1998	0.1 in amm_t_Zigzagiceras zigzag	168.10999999999999	42.15224946666666
nw Australia compilation	Valvaeodinium spinosum	Riding et al., 2010	0.8 in stage_Bajocian	168.71599999999998	-39.105097317142864
Milne Land	Valvaeodinium spinosum	Smelror, 1988a	1 in amm_b_Macrocephalites herveyi	164.6	50.582039
Milne Land	Valvaeodinium spinosum	Smelror, 1988a	0.5 in amm_b_Macrocephalites herveyi	164.945	50.55420914375
North Sea Basin	Valvaeodinium spinosum	Copestake and Partington, 2023	0 in amm_b_Procerites progracilis	166.97	43.03804802857143

Distribution


Histogram


Map