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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 | Cambrian | Poland | Jagielska,L. Flora of the Cambrian;Microflora | 1972 | |
| details | Arenigian | Poland | Jagielska,L. Preliminary note on microspores from the Ordovician of Brzeziny and Zbrza in the Swiety Krzyz Mts. | 1962 | |
| details | Arenigian | Llandeilian | Belgium | Martin,F. Acritarchs of Sart-Bernard (Belgian Ordovician) | 1965 |