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	Discorsia nannus	Williams et al., 1993	0.67 in stage_Albian	104.691	40.37
FO	Scotian Margin	Discorsia nannus	Williams et al., 1993	0.85 in stage_Valanginian	133.365	35.71
LO	North Sea Compilation	Discorsia nannus	Costa and Davey, 1992	1 in amm_b_Leymeriella tardefurcata	110.87	44.04
FO	North Sea Compilation	Discorsia nannus	Costa and Davey, 1992	1 in amm_b_Paratollia/Platylenticeras	134.55	39.571
FO	Q13_14	Discorsia nannus	Duxbury, 2001	0 in amm_b_Prodichotomites	135.55	45.264
FO	Arctic Basin	Discorsia nannus	Williams et al., 2025	0.3 in stage_Valanginian	136.17	70.244
LO	Central Danish Trough	Discorsia nannus	Heilmann-Clausen, 1987	1 in amm_b_Leymeriella tardefurcata	110.87	47.43
FO	Central Danish Trough	Discorsia nannus	Heilmann-Clausen, 1987	0 in amm_b_Prodichotomites	135.55	43.009
FO	Haldager 1	Discorsia nannus	Davey, 1982	0 in amm_b_Endemoceras regale	131.81	43.633
FO	Rio Argos	Discorsia nannus	Leereveld, 1997a	0.1 in amm_t_Toxancyloceras vandenheckii	124.259	24.99
FO	Moray Firth	Discorsia nannus	Duxbury, 2018	0.2 in amm_b_Polyptychites	136.486	44.421
FO	Broyon	Discorsia nannus	Monteil, 1992a	0 in amm_t_Neocomites neocomiensiformis	136.72	31.563
FO	Vocontian Basin	Discorsia nannus	Duxbury, 2024	0.3 in amm_t_Neocomites neocomiensiformis	136.504	30.057