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Geolocation
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Author - title
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Year
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| details | Early Pridolian | England(Herefordshire) | Wetherall,P.M. et al. Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England. | 1999 | |
| details | Ludlovian | Libya | Rubinstein,C.V. et al. Miospore assemblages from the Silurian - Devonian boundary, in Borehole A1-61, Ghadamis Basin, Libya. | 2002 |