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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. Mid-Tertiary climate of southeastern Unites States: The sporomorph evidence. | 1980 |
| details | Claiborne | Vicksburg | Alabama | Frederiksen,N.O. Middle Eocene to Early Oligocene plant communities of the Gulf Coast. (In: Communities of the Past. A.J.Boucot and W.B.N.Berry, editors) | 1981 |