| 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 | Westphalian B | Belgium | Dijkstra,S.J. Correlation of Coal Seams by megaspores | 1955 | |
| details | Late Devonian | Arctic Ocean | Sen,J. On the megaspores described by Nathorst from the Upper Devonian of Bear Island. | 1958 |