| details |
Late Eocene |
Oligocene |
USSR(Kazakh SSR) |
Zhezhel,O.N. The boundary between Eocene and Oligocene deposits at North Ustyurt (according to palynological data). (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Early Eocene |
|
USSR(Amurskaya Oblast) |
Ziva,M.V. Palynological characteristics of the Raychikhinsk section with flora. (In: Biostratigraphy, Fauna and Flora of the Cenozoic, Northwestern part of the Pacific Mobile Belt. A.U.Fusenko, editors) |
1969 |
| details |
Early Oligocene |
|
USSR(Ukrainian SSR) |
Zosimovich,V.Y. et al. The boundary between Upper Eocene and Oligocene in the Kiev Dnieper area as based on palynological data. |
1979 |
| details |
Miocene |
|
USSR(Yakut ASSR) |
Zyryanov,E.V. Palynological investigations of Miocene deposits on the new Siberian Archipelago (USSR). |
1992 |