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	North Sea Compilation	Ovalicysta hiata	Riding and Thomas, 1992	0 in amm_b_Dumortieria pseudoradiosa	177.63	41.737
LO	North Sea Compilation	Ovalicysta hiata	Riding and Thomas, 1992	1 in amm_b_Leioceras opalinum	172.7	40.117
FO	Arctic Basin	Ovalicysta hiata	Bujak et al., 2022	0.5 in amm_b_Hildoceras bifrons	180.495	72.882
LO	Arctic Basin	Ovalicysta hiata	Bujak et al., 2022	0.5 in amm_b_Leioceras opalinum	173.7	72.668
FO	Central Italy	Ovalicysta hiata	Bucefalo Palliani and Riding, 1997a	0.75 in amm_t_Dactylioceras tenuicostatum	183.42	29.029