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	Paragonyaulacysta borealis	Århus et al., 1989	0.7 in amm_b_Ringsteadia pseudocordata	155.512	53.29223918666666
Kimmeridge Clay N Yorkshire	Paragonyaulacysta borealis	Bailey et al., 1997	0.55 in amm_b_Pectinatites hudlestoni	147.57600000000002	NA
Kimmeridge Clay N Yorkshire	Paragonyaulacysta borealis	Bailey et al., 1997	0 in amm_b_Pectinatites pectinatus	147.36	NA
Arctic Basin	Paragonyaulacysta calloviensis	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.32359542857142
Arctic Basin	Paragonyaulacysta retiphragmata	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.32359542857142
Arctic Basin	Paragonyaulacysta borealis	Bujak et al., 2022	0 in amm_b_Kosmoceras jason	163.47	73.32359542857142
Arctic Basin	Paragonyaulacysta capillosa	Bujak et al., 2022	0 in amm_b_Aulacostephanus mutabilis	152.04	72.4259364
Arctic Basin	Paragonyaulacysta calloviensis	Bujak et al., 2022	0 in amm_b_Procerites hodsoni	166.04	73.07004657142858
Arctic Basin	Paragonyaulacysta retiphragmata	Bujak et al., 2022	0 in amm_b_Procerites hodsoni	166.04	73.07004657142858
Nordvik Peninsula	Paragonyaulacysta capillosa	Nikitenko et al., 2008	0.5 in amm_s_Epivirgatites variabilis	144.505	75.993516275
Nordvik Peninsula	Paragonyaulacysta capillosa	Nikitenko et al., 2008	0.07 in amm_s_Unzoned	137.37720000000002	73.757133386
Hold With Hope	Paragonyaulacysta borealis	Nøhr-Hansen et al., 2020	0.9 in stage_Berriassian	138.23999999999998	53.0850584
Hold With Hope	Paragonyaulacysta capillosa	Nøhr-Hansen et al., 2020	0.95 in stage_Berriassian	137.97	53.0796152
Boyarka	Paragonyaulacysta borealis	Shulgina et al., 1994	1 in amm_s_Unzoned	134.55	68.4906765
Kong Karls Land	Paragonyaulacysta retiphragmata	Smelror, 1988b	1 in amm_b_Dumortieria pseudoradiosa	175.91	66.090398325
Kong Karls Land	Paragonyaulacysta calloviensis	Smelror, 1988b	0.5 between 0 amm_b_Quenstedtoceras lamberti 1 amm_b_Quenstedtoceras mariae	161.055	67.01490723214286
Kong Karls Land	Paragonyaulacysta calloviensis	Smelror, 1988b	0.25 between 0 amm_b_Macrocephalites herveyi 1 amm_b_Peltoceras athleta	164.57999999999998	66.5774925
North Sea Basin	Paragonyaulacysta calloviensis	Copestake and Partington, 2023	0.2 in amm_b_Sigaloceras calloviense	163.79	43.162313342857146

Histogram