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Author - title
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Year
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| details | Late Eifelian | Early Givetian | USSR(Baltic) | Vaitekunene,G.K. Spore complexes of the Pyarnu and Narova horizons in the southern part of the Balticum. (In:-Palynological Researches in the Baltic Soviet Republics. T.D.Bartosh, editor) | 1971 |
| details | Tournaisian | Namurian B | USSR(Ukrainian SSR) | Teteryuk,V.K. Stratigraphic separation of Lower Carboniferous deposits of the western part of the Donbas by spores and pollen | 1960 |