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Author - title
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Year
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| details | Cenomanian | Turonian | USSR(WSL) | Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. | 1971 |
| details | Valanginian | Albian | USSR(WSL) | Markova,L.G. The history of development of the Early Cretaceous flora from the Western Siberian Lowlands (Based on palynological facts). | 1971 |
| details | Hauterivian | Barremian | USSR(Ukrainian SSR) | Voronova,M.A. Stratigraphic subdivision of Lower Cretaceous sediments of the Dnieper-Donets Basin, based on palynology. | 1971 |