| details |
Early Oligocene |
|
USSR(Tadzhik SSR) |
Oleynik,E.S. Phytoplankton from Oligocene deposits of the Tadzhik Depression |
1971 |
| details |
Middle Oligocene |
|
USSR(Tadzhik SSR) |
Oleynik,E.S. Phytoplankton from Oligocene deposits of the Tadzhik Depression |
1971 |
| 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 |
Late 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 |
Eocene |
Early Oligocene |
Romania |
Olaru,L. Research on the stratigraphical distribution of microflora in the Paleogene flysch situated between the Bistrita and Totus Rivers. |
1978 |
| details |
Early Tertiary |
|
Romania |
Olaru,L. Stratigraphic distribution of microphytoplankton in Paleogene Beds of the Plopu Rivulet Flysch (Trotosul Basin). |
1971 |
| details |
Early Oligocene |
|
Poland |
Odrzywolska-Bienkowa,E. et al. The Polish part of the northwest European Tertiary Basin. |
1981 |
| details |
Late Eocene |
|
Belgium |
Obut,A.M. On the geographical distribution, comparative morphology, ecology, phylogeny, and the taxonomic position of chitinozoa. |
1973 |
| details |
Early Eocene |
|
W.Germany(Rhineland) |
Morgenroth,P. Lower Eocene microfossils and Concretions of Northwest Germany |
1966 |
| details |
Late Eocene |
|
Romania |
Moldovanu,M. Palynology of the Tertiary deposits in the Pannonian Depression, Roumania. |
1984 |
| details |
Late Eocene |
Early Oligocene |
Poland |
Lentin,J.K. et al. The fossil dinoflagellate cysts Kisselovia, emend. and Charlesdowniea, gen.nov. |
1989 |
| details |
Late Eocene |
|
Belgium |
Lentin,J.K. et al. The fossil dinoflagellate cysts Kisselovia, emend. and Charlesdowniea, gen.nov. |
1989 |
| details |
Late Eocene |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Late Eocene |
Early Oligocene |
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Late Eocene |
|
Poland |
Lentin,J.K. et al. A monograph of fossil Peridinioid dinoflagellate cysts. |
1976 |
| details |
Late Eocene |
Early Oligocene |
Poland |
Lentin,J.K. et al. A monograph of fossil Peridinioid dinoflagellate cysts. |
1976 |
| details |
Eocene |
|
E.Germany(Potsdam) |
Krutzsch,W. Contribution to the spore-paleontology of the Pre-Upper Oligocene-Oligocene Continental and marine Tertiary sediments of Branden. |
1961 |