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From
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To
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Geolocation
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Author - title
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Year
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| details | Valanginian | USSR(Siberia) | Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. | 1971 | |
| details | Senonian | USSR(Siberia) | Chlonova,A.F. Palynological characteristics of Cretaceous Layers in Siberia and the Far East. | 1971 | |
| details | Valanginian | USSR(Krasnoyarsk Kray) | Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) | 1966 |