| details |
Middle Oligocene |
Late Oligocene |
USSR(Mountain Altai) |
Rosenberg,L.I. On stratigraphy of Cenozoic (Preglacial) deposits of Upland Altai |
1973 |
| details |
Middle Oligocene |
Late Oligocene |
USSR(Ukrainian SSR) |
Zosimovich,V.Y. A boundary of Oligocene and Miocene in the Boreal Province of the East-European Platform |
1991 |
| details |
Late Oligocene |
Late Pliocene |
USSR(Belorussian SSR) |
Manykin,S.S. The main ways of the development of the flora and vegetation of Byelorussia during Late Oligocene and Neogene. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Blank,M.Y. et al. On Upper Eocene and Oligocene Formations of the north-eastern Ukraine. |
1980 |
| details |
Late Eocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Mikhelis,A.A. et al. The age and correlation of Naglinok of the Dniepr Territory near Kiev from palynological data |
1975 |
| details |
Late Pliocene |
Pleistocene |
USSR(Ukrainian SSR) |
Parishkura,S.I. Paleogeographic conditions of the Lower Dnieper Region during the Upper Pliocene and Quaternary based on the spore-pollen analysi. (In: Palynological Studies of Sedimentary Deposits in the Ukraine and adjacent Regions. Y.V.Teslenko, editor) |
1976 |
| details |
Pliocene |
Pleistocene |
USSR(Novosibirskaya) |
Panychev,V.A. New data on the age of the Bol'sherechenskoi Member of the Ob-Chumysh Basin. |
1973 |