| details |
Early Piacenzian |
|
USSR(Georgian SSR) |
Schatilova,I.I. The history of development of the Late Pliocene vegetation of Western Georgia |
1984 |
| details |
Pontian |
|
USSR(Georgian SSR) |
Ramishvili,I.Sh. Pontian flora of Western Georgia according to palynological analysis. |
1969 |
| details |
Middle Miocene |
|
USSR(Georgian SSR) |
Ramishvili,I.Sh. The Middle Miocene flora of the Western Caucasus and the further stages of their development. |
1977 |
| details |
Karaganian |
Akchagylian |
USSR(Russian Platform) |
Ananova,E.N. Pollen of Neogene deposits from the Southern Russian Platform. |
1974 |