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Geolocation
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Author - title
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Year
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| details | Late Paleocene | Early Eocene | Texas | Nichols,D.J. et al. Palynology, petrology, and depositional environments of some Early Tertiary Lignites in Texas. | 1971 |
| details | Landenian | Mississippi | Stewart,R.A. Palynology of some Wilcox Group Lignites from Mississippi | 1971 | |
| original | Early Eocene | Texas | Stover,L.E. et al. New genera and species of Early Tertiary palynomorphs from Gulf Coast | 1966 |