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
LO	Scotian Margin	Occisucysta balios	Williams et al., 1993	0.9 in stage_Kimmeridgian	149.794	34.798
FO	Scotian Margin	Occisucysta balios	Williams et al., 1993	0.85 in stage_Oxfordian	155.792	32.744
LO	North Sea Compilation	Occisucysta balios	Copestake and Partington, 2023	1 in amm_b_Virgatopavlovia fittoni	145.1	39.957
FO	North Sea Compilation	Occisucysta balios	Copestake and Partington, 2023	0.7 in amm_b_Ringsteadia pseudocordata	155.512	40.195
FO	North Sea Compilation	Occisucysta balios	Riding and Thomas, 1992	0.4 in amm_b_Ringsteadia pseudocordata	156.244	40.2
LO	North Sea Compilation	Occisucysta balios	Riding and Thomas, 1992	1 in amm_b_Virgatopavlovia fittoni	145.1	39.957
FO	Champagne	Occisucysta balios	Fauconnier, 1995	0 in amm_b_Pictonia baylei	154.78	36.871
FO	Isle of Skye	Occisucysta balios	Riding and Thomas, 1997	0.4 in amm_b_Ringsteadia pseudocordata	156.244	44.101
LO	Isle of Skye	Occisucysta balios	Riding and Thomas, 1997	1 in amm_b_Ringsteadia pseudocordata	154.78	44.262
LO	Salzburg	Occisucysta balios	Boorova et al., 1999	0.9 in stage_Tithonian	143.714	29.843
FO	Dorset-Yorkshire	Occisucysta balios	Woollam and Riding, 1983	0 in amm_b_Pictonia baylei	154.78	39.032
LO	Dorset-Yorkshire	Occisucysta balios	Woollam and Riding, 1983	1 in amm_b_Virgatopavlovia fittoni	145.1	39.078
LO	DSDP 534	Occisucysta balios	Habib and Drugg, 1983	0.5 in mag_M22r	148.793	23.053
FO	North Yorkshire	Occisucysta balios	Riding and Thomas, 1988	0.5 in amm_b_Ringsteadia pseudocordata	156	41.341
LO	North Yorkshire	Occisucysta balios	Riding and Thomas, 1988	1 in amm_b_Virgatopavlovia fittoni	145.1	41.347
LO	Paksa	Occisucysta balios	Shulgina et al., 1994	1 in amm_s_Hectoroceras kochi	137.59	73.252
LO	ODP 638B	Occisucysta duxburyi	Masure, 1988a	1 in nan_n_CC3b	132.966	34.487
FO	ODP 638B	Occisucysta duxburyi	Masure, 1988a	1 in nan_n_CC3b	132.966	34.487
FO	Speeton	Occisucysta duxburyi	Duxbury, 2023	0 in stage_Hauterivian	132.6	40.797
LO	Speeton	Occisucysta duxburyi	Duxbury, 2023	1 in stage_Barremian	121.4	43.315
FO	Isle of Wright	Occisucysta echinata	Duxbury, 1983	0 in stage_Aptian	121.4	39.738
FO	Q13_14	Occisucysta echinata	Duxbury, 2001	0.25 in amm_b_Hypacanthoplites jacobi	114.4	49.333
LO	Q13_14	Occisucysta echinata	Duxbury, 2001	0.67 in amm_b_Proleymeriella schrammeni	111.907	49.575
FO	Heilongjiang	Occisucysta elongata	Sun Xuekun and He Chengquan, 1992	0 in stage_Oxfordian	161.53	54.211
LO	Heilongjiang	Occisucysta elongata	Sun Xuekun and He Chengquan, 1992	1 in stage_Tithonian	143.1	53.793
FO	DSDP 545	Occisucysta hinzii	Below, 1984	0.5 in stage_Aptian	117.3	26.9
LO	DSDP 545	Occisucysta hinzii	Below, 1984	1 in stage_Aptian	113.2	27.303
FO	Dongpu	Occisucysta monoheuriskos	Gitmez and Sarjeant, 1972	0 in stage_Kimmeridgian	154.78	14.138
LO	Dongpu	Occisucysta monoheuriskos	Gitmez and Sarjeant, 1972	0.5 in stage_Kimmeridgian	152.01	12.297
LO	North Sea Compilation	Occisucysta tentorium	Costa and Davey, 1992	1 in amm_b_Leymeriella tardefurcata	110.87	44.04
LO	Isle of Wright	Occisucysta tentorium	Duxbury, 1983	0.8 in amm_b_Leymeriella tardefurcata	110.95	42.222
LO	Q13_14	Occisucysta tentorium	Duxbury, 2001	0 in amm_b_Lyelliceras lyelli	110.22	49.739
FO	Arctic Basin	Occisucysta tentorium	Williams et al., 2025	0.4 in stage_Berriasian	140.94	70.951
LO	Central Danish Trough	Occisucysta tentorium	Heilmann-Clausen, 1987	1 in amm_b_Leymeriella tardefurcata	110.87	47.43
FO	Central Danish Trough	Occisucysta tentorium	Heilmann-Clausen, 1987	0 in amm_b_Surites icenii	138.77	43.143
FO	Haldager 1	Occisucysta tentorium	Davey, 1982	0 in amm_b_Paratollia/Platylenticeras	136.59	43.788
LO	Rio Argos	Occisucysta tentorium	Leereveld, 1997a	1 in amm_t_Gerhardtia sartousi	122.01	25.305
FO	Rio Argos	Occisucysta tentorium	Leereveld, 1997b	0.8 in amm_t_Thurmanniceras pertransiens	136.894	25.267
LO	Silesian Basin	Occisucysta tentorium	Skupien and Vašíček, 2002	1 in amm_t_Acanthohoplites nolani	114.37	38.54
FO	Haldager 1	Occisucysta wierzbowskii	Poulsen, 1996	0 in stage_Tithonian	149.24	44.103
LO	Haldager 1	Occisucysta wierzbowskii	Poulsen, 1996	0.5 in stage_Tithonian	146.17	44.027