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	Rotosphaeropsis thula	Bailey et al., 1997	0.75 in amm_b_Pectinatites hudlestoni	147.48000000000002	NA
Arctic Basin	Rotosphaeropsis thula	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.32359542857142
North Sea Compilation	Rotosphaeropsis thula	Costa and Davey, 1992	1 in amm_b_Hectoroceras kochi	138.77	39.4646877
North Sea Compilation	Rotosphaeropsis thula	Riding and Thomas, 1992	0 in amm_b_Pectinatites hudlestoni	147.84	39.39826506666667
Haldager 1	Rotosphaeropsis thula	Davey, 1982	0 in amm_b_Subcraspedites lamplughi	143.26	43.95415082222222
Central Danish Trough	Rotosphaeropsis thula	Heilmann-Clausen, 1987	1 in amm_b_Surites stenomphalus	137.81	42.89237693333333
Hold With Hope	Rotosphaeropsis thula	Nøhr-Hansen et al., 2020	0.67 in stage_Berriassian	139.482	53.11009712
North Sea Basin	Rotosphaeropsis thula	Copestake and Partington, 2023	1 in amm_b_Hectoroceras kochi	138.77	NA

Histogram