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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
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 |