| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| details |
Early Oligocene |
|
Canada(British Columbia) |
Rouse,G.E. et al. Tertiary geology and palynology of the Quesnel area, British Columbia. |
1979 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Blank,M.Y. et al. On Upper Eocene and Oligocene Formations of the north-eastern Ukraine. |
1980 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Panova,L.A. The Oligocene of the West Siberian Lowland. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| details |
Early Oligocene |
|
USSR(Siberia) |
Kondinskaya,L.I. et al. Paleogene and Neogene palynocomplexes of the Ob and Irtysh Inter-Fluve in the West Siberian Plain and their stratigraphic significance. (In: The Cenozoic of Siberia and Northeastern USSR. V.S.Zykina.editor) |
1989 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Korallova,V.V. Khaduman spore-pollen complex from Oligocene sediments of the eastern Black Sea Region. |
1963 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
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 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(WSL) |
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 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Far East) |
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 |
| details |
Early Oligocene |
|
USSR(Pre-Caucasus) |
Pokrovskaya,I.M. Oligocene spore-pollen complexes in the Pre-Caucasus |
1956 |
| details |
Early Oligocene |
|
USSR(Pre-Caucasus) |
Pokrovskaya,I.M. Oligocene spore-pollen complexes in the Pre-Caucasus |
1956 |
| details |
Early Oligocene |
|
USSR(WSL) |
Boitsel,Z.A. et al. Oligocene spore-pollen complexes of the central part of the Western Siberian Lowlands |
1956 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Polukhina,V.A. Oligocene spore-pollen complexes of the northern part of the Turgay Basin |
1956 |