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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 | Westphalian B | Westphalian C | Czechoslovakia | KalibovЎ,M. Megaspores of the Radnice Coal Measure zone of the Kladno-Rakovnik Coal Basin. | 1951 |
| details | Visean | Alportian | China(Kansu) | Zhu,H. A revised palynological Sub-Division of the Namurian of Jingyuan, Northwest China | 1993 |