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	Omsk No. 8, Russia	Lebedeva et al., 2013	0 in mag_C31r	71.451	51.616
FO	Rif, Morocco	Slimani et al., 2016	0.85 in stage_Maastrichtian	66.96	23.721
FO	Hornby Island, British Columbia	McLachlan et al., 2018	1 in mag_C33n	74.201	56.036
LO	Stevns Klint, Denmark	Surlyk et al., 2013	0.75 in nan_u_UC20d	66.35	45.561
LO	East Kent, UK	Prince et al., 2008	0.92 in amm_b_Placenticeras polyopsis	84.004	43.735
LO	Gulf, Atlantic	Srivastava, 1995	1 in plfor_A_Dicarinella asymetrica	79.33	33.952
LO	Rif, Morocco	Slimani et al., 2016	0.8 in stage_Maastrichtian	67.266	23.742
LO	Arctic Basin, Arctic	Williams et al., 2025	0.5 in stage_Campanian	77.91	74.396