| details |
Middle Eocene |
|
USSR(Carpathians) |
Portnyagina,L.A. Stratigraphy and palynology of the Upper Cretaceous - Paleogene deposits of the Shale Zone of the Carpathians. |
1973 |
| details |
Middle Eocene |
|
USSR(Carpathians) |
Portnyagina,L.A. et al. To the stratigraphic subdivision of Paleogene deposits of the Skyba zone in the Carpathians and Precarpathians Foredeep according to the palynological data |
1977 |
| details |
Late Eocene |
Middle Miocene |
USSR(Siberia) |
Strepetova,Z.V. et al. The Cenozoic reference section of Yano-Omoloiskoe Interfluve |
1981 |
| details |
Late Oligocene |
Early Miocene |
USSR(Yakut ASSR) |
Laukhin,S.A. Palynological characteristics of the Upper Oligocene-Lower Miocene deposits in the Omolon River Mouth area |
1984 |