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
Quercy2	Phallocysta elongata	Bucefalo Palliani and Riding, 1997b	0 in amm_t_Grammoceras thouarsense	178.34	34.30763838
Quercy2	Phallocysta elongata	Bucefalo Palliani and Riding, 1997b	1 in amm_b_Pleydellia aalensis	174.7	32.90402889999999
Yorkshire	Phallocysta elongata	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.055690424999995
Yorkshire	Phallocysta eumekes	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.055690424999995
Bavaria	Phallocysta eumekes	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.51576549999999
Arctic Basin	Phallocysta arctica	Bujak et al., 2022	0.5 in amm_b_Hildoceras bifrons	180.495	72.86222673500001
Arctic Basin	Phallocysta eumekes	Bujak et al., 2022	0 in amm_b_Harpoceras serpentinum	183.16	72.48697371428571
Arctic Basin	Phallocysta elongata	Bujak et al., 2022	0 in amm_b_Pleydellia aalensis	175.91	72.65703423000001
Arctic Basin	Phallocysta thomassii	Bujak et al., 2022	0 in amm_b_Leioceras opalinum	174.7	72.6028831
Arctic Basin	Phallocysta elongata	Bujak et al., 2022	0 in stage_Bajocian	170.9	72.59057285714286
Arctic Basin	Phallocysta bullula	Bujak et al., 2022	0 in stage_Bajocian	170.9	72.59057285714286
Cabo Mondego	Phallocysta elongata	Correia et al., 2019	0.5 in amm_t_Graphoceras concavum	171.2	30.478781333333334
Cabo Mondego	Phallocysta elongata	Correia et al., 2019	0.75 in amm_t_Graphoceras concavum	171.05	30.49396158333333
North Sea Compilation	Phallocysta eumekes	Riding and Thomas, 1992	1 in amm_b_Graphoceras concavum	170.9	39.7772005
Hausen	Phallocysta elongata	Feist-Burkhardt, 1990	1 in amm_b_Graphoceras concavum	170.9	37.79083875
Hausen	Phallocysta elongata	Feist-Burkhardt, 1990	0.8 in amm_b_Leioceras opalinum	173.1	38.319660999999996
Scotian Margin	Phallocysta eumekes	Williams et al., 1993	0.85 in stage_Aalenian	171.47	27.945584985714284
Scotian Margin	Phallocysta eumekes	Williams et al., 1993	0.85 in stage_Pliensbachian	185.505	27.69022083571429
Denmark3	Phallocysta elongata	Poulsen and Riding, 2003 sensu Riding et al., 2010	0.3 in stage_Bajocian	170.081	44.93444153357143
nw Australia compilation	Phallocysta erregulensis	Riding et al., 2010	0 in stage_Bajocian	170.9	-38.38290935714286
nw Australia compilation	Phallocysta erregulensis	Riding et al., 2010	0.5 in stage_Bajocian	169.535	-38.83427683214286
nw Australia compilation	Phallocysta granosa	Riding et al., 2010	0.67 in stage_Bajocian	169.0709	-38.98774177364286
nw Australia compilation	Phallocysta granosa	Riding et al., 2010	0 in stage_Bathonian	168.17	-39.28564430714287
Kong Karls Land	Phallocysta eumekes	Smelror, 1988b	1 in amm_b_Dumortieria pseudoradiosa	175.91	66.090398325
Barentz Sea	Phallocysta thomassii	Smelror, 1994	1 in stage_Bajocian	168.17	64.71459087857143
Barentz Sea	Phallocysta thomassii	Smelror, 1994	1 in stage_Toarcian	174.7	64.6932458
Whitby	Phallocysta eumekes	vd Schootbrugge et al., 2019a	0.4 in amm_t_Hildoceras bifrons	180.63	43.283101762499996
Kelimyar	Phallocysta eumekes	vd Schootbrugge et al., 2019a	0 in amm_b_Harpoceras serpentinum	183.16	80.13808045714286
North Sea Basin	Phallocysta eumekes	Copestake and Partington, 2023	0.25 in amm_b_Grammoceras thouarsense	178.1625	44.8484437
North Sea Basin	Phallocysta eumekes	Copestake and Partington, 2023	1 in amm_b_Witchellia laeviuscula	170.32	42.9071396

Histogram