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Geolocation
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Author - title
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Year
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| details | Llandoverian | Early Wenlockian | Wales(Carmarthenshire) | Hill,P.J. Stratigraphic palynology of acritarchs from the type area of the Llandovery and the Welsh Borderland. | 1974 |
| details | Silurian | Libya | Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. | 1973 |