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Geolocation
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Author - title
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Year
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| details | Maastrichtian | USSR(WSL) | Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. | 1971 | |
| details | Maastrichtian | USSR(WSL) | Grigoreva,K.N. Spore-pollen assemblages of Maestrichtian deposits of the Western Siberian Lowland. | 1966 | |
| details | Maastrichtian | Worldwide | Takahashi,K. Stratigraphic significance of Triprojecate, Oculata, and Callistopollenites pollen Groups in the Late Upper Cretaceous and Early Palaeogene. | 1982 |