Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.18375303. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.

Distribution


Plots are based on the following information

FO/LO	Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
FO	Hebrides	Parvocysta ampulla	Riding et al., 1991	0.5 in stage_Toarcian	179.45	43.183
LO	Hebrides	Parvocysta ampulla	Riding et al., 1991	1 in stage_Aalenian	170.9	41.51
FO	Denmark synthesis	Parvocysta barbata	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	48.627
LO	Yorkshire	Parvocysta barbata	Bucefalo Palliani and Riding, 2003	1 in amm_t_Hildoceras bifrons	179.82	41.617
FO	North Sea Compilation	Parvocysta bullula	Riding and Thomas, 1992	0 in amm_b_Dumortieria pseudoradiosa	177.63	41.737
LO	North Sea Compilation	Parvocysta bullula	Riding and Thomas, 1992	0.5 in amm_b_Leioceras opalinum	173.7	40.445
FO	Bavaria	Parvocysta bullula	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.528
LO	Arctic Basin	Parvocysta bullula	Bujak et al., 2022	0.5 in amm_b_Hildoceras bifrons	180.495	72.882
LO	Arctic Basin	Parvocysta bullula	Bujak et al., 2022	0 in stage_Bajocian	170.9	72.716
FO	Denmark synthesis	Parvocysta bullula	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	48.627
LO	Barentz Sea	Parvocysta bullula	Smelror, 1994	0.5 in stage_Bajocian	169.535	64.569
FO	Yorkshire	Parvocysta bullula	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.056
FO	Kelimyar	Parvocysta bullula	vd Schootbrugge et al., 2019a	0 in amm_b_Harpoceras serpentinum	183.16	80.138
LO	Kelimyar	Parvocysta bullula	vd Schootbrugge et al., 2019a	1 in amm_b_Harpoceras serpentinum	181.17	81.226
FO	North Sea Compilation	Parvocysta nasuta	Copestake and Partington, 2023	0.33 in amm_t_Grammoceras thouarsense	178.106	41.893
LO	North Sea Compilation	Parvocysta nasuta	Copestake and Partington, 2023	1 in amm_b_Leioceras opalinum	172.7	40.117
FO	North Sea Compilation	Parvocysta nasuta	Riding and Thomas, 1992	0 in amm_t_Hildoceras bifrons	181.17	42.9
LO	North Sea Compilation	Parvocysta nasuta	Riding and Thomas, 1992	0.5 in amm_b_Leioceras opalinum	173.7	40.445
FO	Bavaria	Parvocysta nasuta	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.528
LO	Arctic Basin	Parvocysta nasuta	Bujak et al., 2022	0.5 in amm_b_Hildoceras bifrons	180.495	72.882
FO	Denmark synthesis	Parvocysta nasuta	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	48.627
FO	Dorset-Yorkshire	Parvocysta nasuta	Woollam and Riding, 1983	1 in amm_t_Grammoceras thouarsense	177.63	39.831
FO	Yorkshire	Parvocysta nasuta	Bucefalo Palliani and Riding, 2003	0 in amm_t_Hildoceras bifrons	181.17	42.056
LO	Volga Basin	Parvocysta nasuta ssp. ramosa	Below, 1987a	1 in stage_Aalenian	170.9	55.401
FO	Volga Basin	Parvocysta nasuta ssp. ramosa	Below, 1987a	0.5 in stage_Toarcian	179.45	60.296
LO	Quercy	Parvocysta tricornuta	Bucefalo Palliani and Riding, 1997b	1 in amm_t_Grammoceras thouarsense	177.63	34.097
FO	Quercy	Parvocysta tricornuta	Bucefalo Palliani and Riding, 1997b	0.75 in amm_t_Grammoceras thouarsense	177.808	34.162
FO	Hebrides	Parvocysta triquetra	Riding et al., 1991	0.5 in stage_Toarcian	179.45	43.183
LO	Hebrides	Parvocysta triquetra	Riding et al., 1991	1 in stage_Aalenian	170.9	41.51