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From
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Geolocation
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Author - title
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Year
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| details | Middle Eocene | USSR(Rostov) | Mikhelis,A.A. Characteristic of pollen and spores and separation of Paleogene sections of the Azov Massive | 1976 | |
| details | Late Barremian | Early Aptian | USSR(Ukrainian SSR) | Voronova,M.A. et al. On the stratigraphy of Lower Cretaceous sections from Bauxite concentrations on the Ukrainian Shield and in the Pre-Black Sea Basin | 1973 |
| details | Late Cretaceous | USSR(Kazakh SSR) | Zhang,Z. Mesozoic spores and pollen | 1978 |