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Author - title
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Year
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details | Coniacian | Santonian | USSR(Siberia) | Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. | 1971 |
details | Berriasian | Valanginian | USSR(WSL) | Purtova,S.I. On the Neocomian flora evolution in West Siberian Lowland with reference to palynological data. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) | 1973 |