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Geolocation
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Author - title
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Year
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| details | Cenomanian | USSR(WSL) | Voitsel,Z.A. et al. Cretaceous spore and pollen assemblages of Western Siberian Lowland. | 1957 | |
| details | Callovian | Early Kimmeridgian | USSR(WSL) | Voitsel,Z.A. et al. Spore and pollen assemblages of Jurassic deposits of the Ob'-Irtysh interfluve and their importance for stratigraphy. | 1966 |
| details | Volgian | USSR(Ukrainian SSR) | Voronova,M.A. Palynological characteristic of the contiguous Upper Jurassic-Lower Cretaceous formations of the Dnepr-Donets Trough. | 1971 |