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	Source	Calibration	Age (Ma)	Paleolatitude
FO	Volga Basin, Russia	Feist-Burkhardt, 1994	0.75 in amm_b_Leioceras opalinum	173.2	56.494
FO	Portugal, Europe	Bucefalo Palliani and Riding, 2003	0 in amm_b_Uptonia jamesoni	192.9	29.619
LO	Arctic Basin, Arctic	Bujak et al., 2022	0 in amm_b_Hyperlioceras discites	170.9	72.716
LO	Volga Basin, Russia	Feist-Burkhardt, 1994	0 in amm_b_Witchellia laeviuscula	170.67	55.325
LO	Kong Karls Land, Svalbard	Smelror, 1988b	1 in amm_b_Dumortieria pseudoradiosa	175.91	66.172
LO	Portugal, Europe	Bucefalo Palliani and Riding, 2003	1 in amm_t_Harpoceras serpentinum	181.17	31.953