| details |
Early Eocene |
Middle Eocene |
Guinea |
Zaklinskaya,E.D. et al. New data on the Cenozoic flora of the southwest coast of the Republic of Guinea. |
1971 |
| details |
Pontian |
Egrissian |
Georgian |
Shatilova,I.I. et al. The genus Pteris L. in the Neogene deposits of Western Georgia |
1996 |
| details |
Early Piacenzian |
|
USSR(Georgian SSR) |
Schatilova,I.I. The history of development of the Late Pliocene vegetation of Western Georgia |
1984 |
| original |
Tabianian |
|
USSR(Georgian SSR) |
Mchedlishvili,N.D. Flora and vegetation of the Cimmerian age as revealed by palynology. |
1963 |