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From
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To
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Geolocation
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Author - title
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Year
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| details | Late Caradocian | Early Llandoverian | USSR(Estonian SSR) | Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia | 1991 |
| details | Llandeilian | Ashgillian | USSR(Estonian SSR) | Uutela,A. et al. Ordovician acritarchs from the Rapla borehole, Estonia | 1991 |
| details | Uhaku | Lithuania | Pa?keviciene,L. Acritarchs of the Lasnam¤gi and Uhaku Regional Stages in the South-eastern Baltic region. | 2002 |