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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 | Middle Eocene | Early Oligocene | Alabama | Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. | 1980 |
| details | Nd | Nd | Jansonius,J. et al. Genera File of fossil spores. Supplement 4 | 1980 | |
| details | Miocene | E.Germany(Cottbus) | Frederiksen,N.O. Sporomorphs from the Jackson Group, (Upper Eocene) and adjacent strata of Mississippi and western Alabama. | 1980 |