| 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 | Miocene | E.Germany(Cottbus) | Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. | 1980 | |
| details | Nd | Nd | Boulter,M.C. et al. A system of group names for some Tertiary pollen. | 1977 | |
| details | Nd | Nd | Boulter,M.C. et al. A system of group names for some Tertiary pollen. | 1977 |