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Geolocation
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Author - title
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Year
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| details | Late Cretaceous | USSR(Kazakh SSR) | Zhang,Z. Mesozoic spores and pollen | 1978 | |
| details | Paleocene | Early Eocene | USSR(Ukrainian SSR) | Rotman,R.N. Palynological characteristics of the Upper Cretaceous and Paleogene boundary of Crimea. | 1979 |
| details | Late Oligocene | USSR(Ukrainian SSR) | Stotland,A.B. Stratigraphic subdivision and age of Amber-bearing rocks in the northern Slope of the Ukrainian Crystalline Massif according to data of microphytofossil studies | 1990 |