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	Boyarka	Gongylodinium acmeum	Shulgina et al., 1994	0.5 in amm_s_Unzoned	136.07	68.483
LO	Spitsbergen	Gongylodinium acmeum	Århus, 1992	1 in stage_Valanginian	132.6	63.789
LO	Speeton	Gongylodinium brevispinosum	Duxbury, 2023	0.18 in amm_b_Endemoceras regale	131.648	40.742
FO	Tchernaya Retchka	Gongylodinium brevispinosum	Iosifova, 1992	0 in stage_Valanginian	137.7	44.076
LO	Tchernaya Retchka	Gongylodinium brevispinosum	Iosifova, 1992	1 in stage_Valanginian	132.6	43.463
LO	North Sea Compilation	Gongylodinium erymnoteichon	Riding and Thomas, 1992	1 in amm_b_Clydoniceras discus	165.29	40.043
FO	North Sea Compilation	Gongylodinium erymnoteichon	Riding and Thomas, 1992	0 in amm_b_Hyperlioceras discites	170.9	39.912
FO	Champagne	Gongylodinium erymnoteichon	Fauconnier, 1995	0 in amm_b_Witchellia laeviuscula	170.67	37.362
LO	Champagne	Gongylodinium erymnoteichon	Fauconnier, 1995	1 in amm_b_Erymnoceras coronatum	162.91	37.374
LO	Czestochowa	Gongylodinium erymnoteichon	Poulsen, 1998	0.5 in amm_t_Cadomites bremeri	165.935	41.982
FO	Czestochowa	Gongylodinium erymnoteichon	Poulsen, 1998	0.5 in amm_t_Procerites aurigerus	167.27	42.156
FO	Calvados	Gongylodinium erymnoteichon	Feist-Burkhardt and Monteil, 1997	0.75 in amm_b_Stephanoceras humphriesianum	169.827	35.924
LO	Calvados	Gongylodinium erymnoteichon	Feist-Burkhardt and Monteil, 1997	0.9 in amm_b_Zigzagiceras zigzag	167.09	36.034
FO	Moray Firth	Gongylodinium ornatum	Duxbury, 2018	0 in stage_Valanginian	137.7	44.377
LO	Moray Firth	Gongylodinium ornatum	Duxbury, 2018	0.5 in stage_Valanginian	135.15	44.47