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
Vega	Ambonosphaera calloviana	Århus et al., 1989	0.05 in amm_b_Peltoceras athleta	162.887	53.476862168749996
Arctic Basin	Ambonosphaera calloviana	Bujak et al., 2022	0 in amm_b_Proplanulites koenigi	164.6	73.21211285714286
Arctic Basin	Ambonosphaera calloviana	Bujak et al., 2022	0 in amm_b_Quenstedtoceras mariae	161.53	73.51499028571428
Milne Land	Ambonosphaera calloviana	Smelror, 1988a	0.75 in amm_b_Peltoceras athleta	162.565	50.74619481875
Milne Land	Ambonosphaera calloviana	Smelror, 1988a	0.5 in amm_b_Sigaloceras calloviense	163.67000000000002	50.6570586125
Kong Karls Land	Ambonosphaera calloviana	Smelror, 1988b	0.5 between 0 amm_b_Quenstedtoceras lamberti 1 amm_b_Quenstedtoceras mariae	161.055	67.01490723214286
Kong Karls Land	Ambonosphaera calloviana	Smelror, 1988b	0.6 between 0 amm_b_Macrocephalites herveyi 1 amm_b_Peltoceras athleta	163.58599999999998	66.70083725
Barentz Sea	Ambonosphaera calloviana	Smelror, 1994	1 in stage_Bathonian	165.29	65.02230036428571
Barentz Sea	Ambonosphaera calloviana	Smelror, 1994	0 in stage_Oxfordian	161.53	65.42403219285714

Distribution


Histogram


Map