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	Parvocysta tricornuta	Bucefalo Palliani and Riding, 1997b	1 in amm_t_Grammoceras thouarsense	177.63	34.033857409999996
Quercy2	Parvocysta tricornuta	Bucefalo Palliani and Riding, 1997b	0.75 in amm_t_Grammoceras thouarsense	177.8075	34.1023026525
Yorkshire	Parvocysta barbosa	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.055690424999995
Yorkshire	Parvocysta bullala	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.055690424999995
Yorkshire	Parvocysta nasuta	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.055690424999995
Bavaria	Parvocysta bullala	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.51576549999999
Bavaria	Parvocysta nasuta	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.51576549999999
Denmark2	Parvocysta barbosa	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	48.61531075
Denmark2	Parvocysta bullala	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	48.61531075
Denmark2	Parvocysta nasuta	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	48.61531075
Arctic Basin	Parvocysta bullala	Bujak et al., 2022	0.5 in amm_b_Hildoceras bifrons	180.495	72.86222673500001
North Sea Compilation	Parvocysta bullala	Riding and Thomas, 1992	0 in amm_b_Dumortieria pseudoradiosa	177.63	41.67426121
North Sea Compilation	Parvocysta nasuta	Riding and Thomas, 1992	0 in amm_t_Hildoceras bifrons	181.17	42.88801039
North Sea Compilation	Parvocysta bullala	Riding and Thomas, 1992	0.5 in amm_b_Leioceras opalinum	173.7	40.3267939
North Sea Compilation	Parvocysta nasuta	Riding and Thomas, 1992	0.5 in amm_b_Leioceras opalinum	173.7	40.3267939
Barentz Sea	Parvocysta bullala	Smelror, 1994	0.5 in stage_Bajocian	169.535	64.56874940357143
Kelimyar	Parvocysta bullala	vd Schootbrugge et al., 2019a	0 in amm_b_Harpoceras serpentinum	183.16	80.13808045714286
Kelimyar	Parvocysta bullala	vd Schootbrugge et al., 2019a	1 in amm_b_Harpoceras serpentinum	181.17	81.2217148
Dorset-Yorkshire	Parvocysta nasuta	Woollam and Riding, 1983	1 in amm_t_Grammoceras thouarsense	177.63	39.76876634
North Sea Basin	Parvocysta nasuta	Copestake and Partington, 2023	0.33 in amm_t_Grammoceras thouarsense	178.1057	44.8299455304
North Sea Basin	Parvocysta nasuta	Copestake and Partington, 2023	1 in amm_b_Leioceras opalinum	172.7	43.0694604

Histogram