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Heterosphaeridium difficile

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 Scotian Margin, Canada Williams et al., 1993 0.33 in stage_Turonian 92.412 41.183
FO North Sea Compilation, Europe Costa and Davey, 1992 0 in amm_t_Watinoceras devonense 93.9 45.591
FO East Kent, UK Prince et al., 2008 0.5 in amm_b_Prionocyclus germani 89.545 44.339
FO Pueblo, USA Dodsworth, 2000 0 in amm_b_Fagesia catinus 93.63 45.932
FO Arctic Basin, Arctic Nøhr-Hansen, 2025 0 in stage_Turonian 93.9 74.422
FO 6711, Norwegian Sea Radmacher et al., 2015 0 in stage_Turonian 93.9 60.388
FO Labrador Sea, Greenland Nøhr-Hansen, 2025 0 in stage_Turonian 93.9 57.064
FO Northeast Greenland, Greenland Nøhr-Hansen, 2025 1 in stage_Cenomanian 93.9 58.767
FO Nuussuaq basin, Greenland Nøhr-Hansen, 2025 0.5 in stage_Santonian 84.675 59.563
FO Nuussuaq basin, Greenland Nøhr-Hansen, 2025 0 in stage_Turonian 93.9 60.913
FO Treeless Creek, Canada Williams et al., 2025 0 in stage_Turonian 93.9 79.952
FO Hold With Hope, Greenland Nøhr-Hansen et al., 2019 0 in stage_Turonian 93.9 59.222
FO Southeast Greenland, North Atlantic Nøhr-Hansen, 2025 0 in stage_Turonian 93.9 51.151
FO Trunch borehole, UK Pearce et al., 2020 0.65 in amm_b_Subprionocyclus neptuni 90.335 45.243
FO Svalbard, Arctic Nøhr-Hansen, 2025 0 in stage_Turonian 93.9 71.855
FO Snøvit field, Barentz Sea Radmacher et al., 2014a 0 in stage_Turonian 93.9 63.688
LO Scotian Margin, Canada Williams et al., 1993 0.25 in stage_Santonian 85.188 39.073
LO North Sea Compilation, Europe Costa and Davey, 1992 1 in amm_b_Placenticeras polyopsis 83.9 44.434
LO Pueblo, USA Dodsworth, 2000 0.5 in amm_b_Fagesia catinus 93.49 45.86
LO 6711, Norwegian Sea Radmacher et al., 2015 1 in stage_Coniacian 85.7 59.816
LO Labrador Sea, Greenland Nøhr-Hansen, 2025 0.2 in stage_Santonian 85.29 55.547
LO Northeast Greenland, Greenland Nøhr-Hansen, 2025 0.72 in stage_Santonian 84.224 57.851
LO Hold With Hope, Greenland Nøhr-Hansen et al., 2019 0.6 in stage_Santonian 84.47 58.386
LO Bocieniec, Poland Jarvis et al., 2023 0.6 in nan_u_UC13iii 83.01 42.483
LO Trunch borehole, UK Pearce et al., 2020 0.75 in amm_b_Placenticeras polyopsis 84.225 44.555
LO Snøvit field, Barentz Sea Radmacher et al., 2014a 1 in stage_Santonian 83.65 63.365
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