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Author - title
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| details | Turonian | USSR(WSL) | Skuratenko,A.V. Turonian spore and pollen assemblages of some Regions of West Siberia | 1966 | |
| details | Aptian | USSR(European) | Voronova,M.A. Subdivision of Lower Cretaceous deposits in the northwestern part of the Dnieper-Donetsk Depression on the ground of resuts of sporopollen analysis. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) | 1966 |