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details | Maastrichtian | Paleocene | USSR(Ukrainian SSR) | Boytsova,E.P. et al. The Cretaceous and Paleogene boundary in the South Southern USSR and Western Siberia. (In: Palynology of the Cenozoic of Siberia. V.S.Volkova, editor) | 1975 |
details | Maastrichtian | USSR(Turkmen SSR) | Petrosyants,M.A. et al. On the spore-pollen complexes from deposits of the Coniacian, Santonian, Campanian and Maastrichtian Layers of eastern Turkmeni (Karakum Beyond the Unguz and the Middle Course of the Am-Dar'Ya R.) | 1965 |