| original |
Middle Miocene |
|
USSR(Georgian SSR) |
Ramishvili,I.Sh. The Middle Miocene flora of the Western Caucasus and the further stages of their development. |
1977 |
| original |
Middle Miocene |
|
USSR(Georgian SSR) |
Ramishvili,I.Sh. The Middle Miocene flora of Georgia based on palynological data. |
1982 |
| original |
Piacenzian |
|
USSR(Georgian SSR) |
Schatilova,I.I. The history of development of the Late Pliocene vegetation of Western Georgia |
1984 |
| details |
Middle Miocene |
Middle Pleistocene |
Georgian |
Shatilova,I.I. et al. The genus Pteris L. in the Neogene deposits of Western Georgia |
1996 |