Data plotted here is from DINOSTRAT, available via Zenodo: DOI: 10.5281/zenodo.7791273. Please cite Bijl, 2022 https://doi.org/10.5194/essd-14-579-2022 when using this data.


Plots are based on the following information

Location	Taxon	Source	Calibration	Age (Ma)	Paleolatitude
North Sea Compilation	Hystrichosphaeridium arborispinum	Costa and Davey, 1992	0.5 in amm_b_Endemoceras amblygonium	132.43	39.415410433333335
North Sea Compilation	Hystrichosphaeridium arborispinum	Costa and Davey, 1992	0.15 in amm_b_Parancyloceras bidentatum / Parancyloceras scalare	121.49	41.92316489090909
Haldager 1	Hystrichosphaeridium arborispinum	Davey, 1982	1 in amm_b_Stolcoceras tuberculatum	132.75	43.671715
Q13_14	Hystrichosphaeridium arborispinum	Duxbury, 2001	0 in amm_b_Prodichotomites	135.55	45.1027881
Central Danish Trough	Hystrichosphaeridium arborispinum	Heilmann-Clausen, 1987	0 in amm_b_Haplocrioceras fissicostatum	125.32	44.28104149090909
Central Danish Trough	Hystrichosphaeridium arborispinum	Heilmann-Clausen, 1987	1 in amm_b_Parancyloceras bidentatum / Parancyloceras scalare	121.15	45.41299936363636
Rio Argos	Hystrichosphaeridium arborispinum	Leereveld, 1997a	0.1 in amm_t_Toxancyloceras vandenheckii	124.259	25.829596732926287

Distribution


Histogram


Map