| original |
Middle Eocene |
Late Eocene |
USSR |
Boytsova,E.P. et al. Miospores of some ancient plants in the USSR. |
1979 |
| details |
Eocene |
|
USSR(Caucasus) |
Panova,L.A. Palynology of Paleogene deposits of the Causacus. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Middle Eocene |
|
USSR(Caucasus) |
Bugrova,E.M. et al. On the Zonal differentiation of the Paleogene in the Southern Regions of the USSR |
1988 |
| details |
Middle Eocene |
|
USSR(Kazakh SSR) |
Panova,L.A. et al. Palynostratigraphy of Paleogene deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |