| details |
Early Oligocene |
|
USSR |
Alimov,K.A. et al. Mesozoic and Cenozoic spore and pollen assemblages of the eastern part of Central Asia. |
1980 |
| details |
Early Oligocene |
|
Hungary |
KrivЎn-Hutter,E. Palynological investigation of the Paleogene Beds of the Dorog Basin |
1964 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Bashkir ASSR) |
Kozyar,L.A. The application of spore-pollen analysis in paleoecological and paleobiogeographical investigation of Cenozoic deposits. (In: Problems of Paleobiogeography) |
1978 |
| details |
Early Oligocene |
|
Hungary |
Rakosi,L. The question of the Eocene/Oligocene boundary on the basis of palynological studies |
1980 |
| 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(Yakut ASSR) |
Laukhin,S.A. et al. Paleogene stratigraphy on the Lower Reaches of Kolyma River on the palynological data |
1985 |
| details |
Early Oligocene |
|
USSR(Kalinin) |
Kaplan,A.A. et al. Stratigraphy and correlation of Paleogene deposits of South-Western Pri-Baltic Region |
1977 |
| details |
Early Oligocene |
|
USSR(Caucasus) |
Bugrova,E.M. et al. On the Zonal differentiation of the Paleogene in the Southern Regions of the USSR |
1988 |
| details |
Early Oligocene |
|
Spain |
Gruas-Cavagnetto,C. et al. Fossil pollen of Leguminosae-Minosoideae in the Lower Oligocene of the Ebro Basin (Spain) palaeoclimatologic and palaeogeographic implications |
1994 |
| details |
Early Oligocene |
|
Canada(British Columbia) |
Piel,K.M. Palynology of Mid and Late Tertiary sediments from the Central Interior of British Columbia. |
1969 |
| details |
Early Oligocene |
|
USSR(European) |
Pokrovskaya,I.M. The palynological characteristic of the Paleogene of the South of the European part of the USSR. |
1964 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Gurevskaya) |
Kozyar,L.A. et al. Palynologic evidence for the stratigraphic sequence of Maykop deposits in South Mangyshlak. |
1962 |
| details |
Early Oligocene |
|
USSR(European) |
Pokrovskaya,I.M. Upper Cretaceous and Paleogene spore and pollen assemblages in the European part of the USSR |
1962 |
| details |
Early Oligocene |
|
Colorado |
Leopold,E.B. et al. Development and affinites of Tertiary floras in the Rocky Mountains |
1972 |
| details |
Early Oligocene |
Late Oligocene |
USSR(WSL) |
Semochkina,T.G. Palynological characteristic of Oligocene sediments in the South-Western Part of West-Siberian Lowland. |
1973 |
| details |
Early Miocene |
|
China(Kiangsu) |
Zheng,Y.-H. et al. Late Tertiary pollen and spores from North Jiangsu and its adjacent Region. |
1980 |
| details |
Early Miocene |
|
China(Kiangsu) |
Zhang,Y.-I. et al. Spore-pollen assemblage from the Fengshan Formation in Sihong, Jiangsu and its geological age. |
1982 |