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	Palaecysta palmula	Costa and Davey, 1992	0 in amm_b_Polyptychites	136.72	39.479700533333336
North Sea Compilation	Palaecysta palmula	Costa and Davey, 1992	0.5 in amm_b_Surites stenomphalus	138.03	39.47010696666667
Haldager 1	Palaecysta palmula	Davey, 1982	1 in amm_b_Stolcoceras tuberculatum	132.75	43.671715
Haldager 1	Palaecysta palmula	Davey, 1982	1 in amm_b_Subcraspedites primitivus	143.74	43.96609695555556
Q13_14	Palaecysta palmula	Duxbury, 2001	0.33 in amm_b_Polyptychites	136.3339	45.0820163178
Central Danish Trough	Palaecysta palmula	Heilmann-Clausen, 1987	1 in amm_b_Dichotomites	133.09	42.8441289
Central Danish Trough	Palaecysta palmula	Heilmann-Clausen, 1987	0 in amm_b_Hectoroceras kochi	139.92	42.89379297777778
765	Palaecysta palmula	Helby and McMinn, 1992	0.8 in nan_n_CC3	133.85468154484076	-53.33822804039858
Australia Synthesis	Palaecysta palmula	Helby et al., 1987	0.1 in stage_Tithonian	148.626	-61.11402367777777
Australia Synthesis	Palaecysta palmula	Helby et al., 1987	0.9 in stage_Valanginian	133.10999999999999	-66.09388243333332
Rio Argos	Palaecysta complicata	Leereveld, 1997a	0.5 in amm_t_Acanthodiscus radiatus	132.10500000000002	24.130393211114463
Rio Argos	Palaecysta palmula	Leereveld, 1997a	1 in amm_t_Acanthodiscus radiatus	131.61	24.19216350741461
Rio Argos	Palaecysta palmula	Leereveld, 1997b	0.55 in amm_t_Neocomites peregrinus	133.747	23.925490531266306
Hold With Hope	Palaecysta palmula	Nøhr-Hansen et al., 2020	0.67 in stage_Berriassian	139.482	53.11009712
Paksa	Palaecysta palmula	Shulgina et al., 1994	0.15 in amm_s_Unzoned	137.13400000000001	73.70444620727272

Histogram