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Geolocation
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Author - title
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Year
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| details | Campanian | Maastrichtian | USSR(Kazakh SSR) | Zaklinskaya,E.D. Angiosperm pollen and their significance for the stratigraphy of the Upper Cretaceous and Paleogene | 1963 |
| original | Oligocene | W.Germany(Hesse) | Holtz,S. Investigation of the Oligocene spore stratigraphy of Hesse, (West Germany). | 1962 |