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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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| original | Namurian | Early Westphalian | England(Staffordshire) | Neves,R. Upper Carboniferous plant spore assemblages from the Gastrioceras Subcrenatum horizon, North Staffordshire. | 1958 |
| original | Early Cretaceous | Oklahoma | Wingate,F.H. Palynology of the Denton Shale (Lower Cretaceous), of southeastern Oklahoma. | 1974 |