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Geolocation
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Author - title
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Year
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| details | Cenomanian | Turonian | USSR(WSL) | Filippova,E.A. Cenomanian - Turonian. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) | 1957 |
| details | Aptian | Early Albian | USSR(Kazakh SSR) | Garetsky,R.G. The Depth-Geology of the Kokpectinskaya Anticline near Mugodzar Region. | 1957 |
| original | Aptian | USSR(Moscow) | Bolkhovitina,N.A. Spore and pollen characteristics of Cretaceous layers in the Central Regions of the USSR. | 1953 |