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	Alaska	Prionodinium alaskense	Leffingwell and Morgan, 1977	0 in stage_Hauterivian	132.6	82.088
LO	Alaska	Prionodinium alaskense	Leffingwell and Morgan, 1977	1 in stage_Barremian	121.4	82.884
FO	Alaska	Prionodinium alveolatum	Leffingwell and Morgan, 1977	0 in stage_Hauterivian	132.6	82.088
LO	Alaska	Prionodinium alveolatum	Leffingwell and Morgan, 1977	1 in stage_Barremian	121.4	82.884