| link
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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 | Namurian A | Poland | Jachowicz,A. The Upper Carboniferous | 1970 | |
| details | Namurian A | Poland | Knafel,S. et al. Megaspores from the Namurian A in the northeastern part of the Upper Silesian Coal Basin, Jowisz Mine. | 1973 |