| details |
Oligocene |
|
USSR |
Andreeva-Grigorovich,A.S. Zonal Division of the Paleocene-Eocene deposits according to dinocysts in the Southern Part of the USSR |
1985 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Andreeva-Grigorovich,A.S. et al. On the boundary of Eocene and Oligocene of the Scale zone of the Ukrainian Carpathians according to paleofloristic data. |
1985 |
| details |
Early Oligocene |
|
USSR(Carpathians) |
Andreeva-Grigorovich,A.S. et al. Biostratigraphic characteristic of the Menilite Suite standard section along the River Chechva, (The Ukrainian Carpathians) |
1986 |
| details |
Late Oligocene |
|
USSR(Carpathians) |
Andreeva-Grigorovich,A.S. et al. Biostratigraphic characteristic of the Menilite Suite standard section along the River Chechva, (The Ukrainian Carpathians) |
1986 |