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Geolocation
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Author - title
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Year
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| details | Miocene | Texas | Ebtehadj,K. Palynology of the subsurface Frio Formation, in Liberty and Chambers Counties, Texas. | 1969 | |
| details | Eocene | USSR(Siberia) | Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. | 1967 |