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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 C | Westphalian D | Netherlands | Dijkstra,S.J. The megaspores of the Westphalian D and C. | 1955 |
| details | Westphalian D | England(Gloucestershire) | Spinner,E. Westphalian D megaspores from the Forest of Dean Coalfield, England. | 1965 |