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Polystephanephorus
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 | Taxon | Source | Calibration | Age (Ma) | Paleolatitude |
| FO | Dorset-Yorkshire | Polystephanephorus calathus | Sarjeant, 1961a | 0 in stage_Oxfordian | 161.53 | 38.7 |
| LO | Dorset-Yorkshire | Polystephanephorus calathus | Sarjeant, 1961a | 0.5 in stage_Oxfordian | 158.155 | 38.883 |
| FO | Kandern | Polystephanephorus calathus | Dimter and Smelror, 1990 | 0.2 in amm_b_Sigaloceras calloviense | 163.79 | 37.47 |
| FO | Australia synthesis | Polystephanephorus euryanthus | Cookson and Eisenack, 1974 | 0 in stage_Albian | 113.2 | -53.29 |
| LO | Australia synthesis | Polystephanephorus euryanthus | Cookson and Eisenack, 1974 | 1 in stage_Albian | 100.5 | -54.639 |
| FO | Dorset-Yorkshire | Polystephanephorus paracalathus | Sarjeant, 1960a | 0.25 in stage_Callovian | 164.35 | 38.548 |
| LO | Dorset-Yorkshire | Polystephanephorus paracalathus | Sarjeant, 1960a | 0.75 in stage_Callovian | 162.47 | 38.65 |