| details |
Early Oligocene |
|
Poland |
Eisenack,A. Symbionts in fossil Protista |
1966 |
| details |
Early Oligocene |
|
Belgium |
Weyns,W. Dinophyceae and acritarcha in the "Sands of Grimmertingen" in their type locality, and the stratigraphic problem of Tongrian. |
1970 |
| details |
Early Oligocene |
|
USSR(Tadzhik SSR) |
Oleynik,E.S. Phytoplankton from Oligocene deposits of the Tadzhik Depression |
1971 |
| details |
Early Oligocene |
|
Germany |
Norris,G. et al. A descriptive index of genera of fossil Dinophyceae and acritarcha. |
1965 |
| details |
Early Oligocene |
|
Poland |
Eisenack,A. Microfossils from the Lower Oligocene phosphorites of Samland and concerning the uniformity of Hystrichospheres. |
1954 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Vialov,O.S. et al. Eocene and Oligocene key boundary sections of the North Slope of the Ukrainian Carpathians |
1987 |
| details |
Early Oligocene |
|
Poland |
Eisenack,A. Fossil dinoflagellates. |
1958 |
| details |
Early Oligocene |
|
Romania |
Antonescu,E. et al. Contributions to the knowledge of the stratigraphy and the tectonics of the Singeorz Bai-Lunca Ilvei Region |
1978 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Carpathians) |
Portnyagina,L.A. Palynology of the Upper Senonian and Paleogene deposits from the Skibivayazone of the Carpathians. |
1971 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Portnyagina,L.A. Palynology of the Upper Senonian and Paleogene deposits from the Skibivayazone of the Carpathians. |
1971 |
| original |
Early Oligocene |
|
USSR(Siberia) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| original |
Early Oligocene |
|
USSR(Tobolsk District) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| original |
Early Oligocene |
|
USSR(Belorussian SSR) |
Vozzhennikova,T.F. Fossil dinoflagellates from Jurassic, Cretaceous, and Paleogene deposits of the USSR. |
1967 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Tadzhik SSR) |
Oleynik,E.S. Phytoplankton of the Oligocene deposits from the Tadjik Depression. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Early Oligocene |
Middle Oligocene |
USSR(Tadzhik SSR) |
Oleynik,E.S. Phytoplankton of the Oligocene deposits from the Tadjik Depression. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| original |
Early Oligocene |
|
Poland |
Eisenack,A. Phosphorite nodules of the Amber Formation as transmitters of Tertiary plankton. |
1938 |
| details |
Early Oligocene |
|
Atlantic Coast Offshore |
Williams,G.L. et al. Palynologic analyses of Upper Mesozoic and Cenozoic rocks of the Grand Banks, Atlantic Continental Margin. |
1975 |