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	Tanzania	Egmontodinium annae	Msaky, 2011a	0 in stage_Kimmeridgian	154.78	-30.434
LO	Tanzania	Egmontodinium annae	Msaky, 2011a	1 in stage_Tithonian	143.1	-31.795
LO	Arctic Basin	Egmontodinium diminutum	Bujak et al., 2022	0 in amm_b_Pictonia baylei	154.78	73.231
FO	Svalbard	Egmontodinium diminutum	Davies, 1983	0.5 in stage_Bathonian	166.73	65.134
FO	Timor Sea	Egmontodinium elongatum	Mantle, 2005	0 in stage_Callovian	165.29	-41.506
LO	Timor Sea	Egmontodinium elongatum	Mantle, 2005	0.5 in stage_Oxfordian	158.155	-43.829
FO	Kachchh	Egmontodinium minus	Kumar, 1987a	0 in stage_Kimmeridgian	154.78	-27.03
LO	Kachchh	Egmontodinium minus	Kumar, 1987a	1 in stage_Tithonian	143.1	-33.727
FO	Scotian Margin	Egmontodinium polyplacophorum	Williams et al., 1993	0.65 in stage_Kimmeridgian	151.179	34.633
LO	Scotian Margin	Egmontodinium polyplacophorum	Williams et al., 1993	0.4 in stage_Tithonian	146.784	35.027
FO	North Sea Compilation	Egmontodinium polyplacophorum	Copestake and Partington, 2023	0 in amm_b_Pectinatites elegans	149.1	40.097
LO	North Sea Compilation	Egmontodinium polyplacophorum	Copestake and Partington, 2023	1 in amm_b_Titanites anguiformis	144.13	39.922
LO	North Sea Compilation	Egmontodinium polyplacophorum	Riding and Thomas, 1992	1 in amm_b_Subcraspedites primitivus	143.74	39.909
FO	Arctic Basin	Egmontodinium polyplacophorum	Bujak et al., 2022	0 in amm_b_Aulacostephanus mutabilis	152.04	72.658
LO	Arctic Basin	Egmontodinium polyplacophorum	Bujak et al., 2022	0 in amm_b_Progalbanites albani	145.1	71.567
FO	Dorset-Yorkshire	Egmontodinium polyplacophorum	Woollam and Riding, 1983	0.5 in amm_b_Aulacostephanus autissiodorensis	149.365	39.165
LO	Dorset-Yorkshire	Egmontodinium polyplacophorum	Woollam and Riding, 1983	1 in amm_b_Paracraspedites oppressus	143.97	39.055
LO	Central Danish Trough	Egmontodinium polyplacophorum	Heilmann-Clausen, 1987	0.5 in amm_b_Surites stenomphalus	138.03	43.112
LO	DSDP 534	Egmontodinium polyplacophorum	Habib and Drugg, 1983	0.5 in mag_M23n	149.63	22.93
FO	DSDP 534	Egmontodinium polyplacophorum	Habib and Drugg, 1983	0.5 in mag_M24r	151.504	22.416
LO	Haldager 1	Egmontodinium polyplacophorum	Davey, 1982	0 in amm_b_Galbanites kerberus	144.52	43.986
FO	Volga Basin	Egmontodinium polyplacophorum	Harding et al., 2011	0 in amm_r_Virgatites virgatus	145.1	46.293
FO	Scotian Margin	Egmontodinium toryna	Williams et al., 1993	0 in stage_Berriasian	143.1	35.307
LO	Scotian Margin	Egmontodinium toryna	Williams et al., 1993	0.67 in stage_Berriasian	139.482	35.583
LO	North Sea Compilation	Egmontodinium toryna	Costa and Davey, 1992	0.2 in amm_b_Paratollia/Platylenticeras	136.182	39.642
FO	North Sea Compilation	Egmontodinium toryna	Riding and Thomas, 1992	0 in amm_b_Aulacostephanus eudoxus	150.99	40.164
LO	Australia synthesis	Egmontodinium toryna	Helby et al., 1987	1 in stage_Berriasian	137.7	-52.599
FO	Australia synthesis	Egmontodinium toryna	Helby et al., 1987	0.5 in stage_Tithonian	146.17	-48.166
LO	Arctic Basin	Egmontodinium toryna	Williams et al., 2025	0.2 in stage_Valanginian	136.68	70.32
LO	ODP 765	Egmontodinium toryna	Helby and McMinn, 1992	0.8 in nan_n_CC3	133.855	-51.695
FO	Northwest Australia compilation	Egmontodinium toryna	Riding et al., 2010	0.4 in stage_Tithonian	146.784	-49.966
FO	Denmark synthesis	Egmontodinium toryna	Poulsen and Riding, 2003 sensu Riding et al., 2010	0.75 in stage_Kimmeridgian	150.625	44.546
LO	Dorset-Yorkshire	Egmontodinium toryna	Woollam and Riding, 1983	1 in amm_b_Peregrinoceras albidum	136.59	38.905
LO	Central Danish Trough	Egmontodinium toryna	Heilmann-Clausen, 1987	0.5 in amm_b_Paratollia/Platylenticeras	135.57	43.01
FO	Haldager 1	Egmontodinium toryna	Davey, 1982	0.5 in amm_b_Glaucolithites glaucolithus	144.815	43.993
LO	Haldager 1	Egmontodinium toryna	Davey, 1982	1 in amm_b_Polyptychites	135.55	43.762
FO	North Yorkshire	Egmontodinium toryna	Bailey et al., 1997	0.5 in amm_b_Pectinatites pectinatus	147.06	41.397
LO	Moray Firth	Egmontodinium toryna	Duxbury, 2018	1 in amm_b_Dichotomites crassus	134.06	44.51
LO	Volga Basin	Egmontodinium toryna	Harding et al., 2011	0.67 in amm_r_Craspedites nodiger	142.81	45.884
FO	Northwest Australia compilation	Egmontodinium twiggii	Vitacca et al., 2022	0.75 in stage_Bathonian	166.01	-39.963
LO	Northwest Australia compilation	Egmontodinium twiggii	Vitacca et al., 2022	0.5 in stage_Kimmeridgian	152.01	-47.576