| 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 | Tertiary | W.Germany(Rhineland) | Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. | 1950 | |
| details | Nd | Nd | Boulter,M.C. et al. A system of group names for some Tertiary pollen. | 1977 |