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Geolocation
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Author - title
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Year
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| details | Middle Carboniferous | Late Carboniferous | USSR | Pokrovskaya,I.M. Pollen analysis | 1958 |
| details | Late Carboniferous | Late Permian | USSR(Krasnoyarsk Kray) | Andreeva,E.M. Correlation of Upper Paleozoic coal-bearing deposits of Tungur, Minusinsk and Kuznets Basin on data of spore-pollen analysis. | 1960 |
| details | Stephanian | Permian | USSR(Kazakh SSR) | Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. | 1955 |