| details |
Late Oligocene |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. Results of spore And-pollen investigation of the Middle Maikop deposits of the South of the Ukraine |
1969 |
| details |
Chattian |
|
USSR(Ukrainian SSR) |
Veselov,A.A. et al. The Paleogene -Neogene boundary in the Black Sea Depression |
1969 |
| details |
Eocene |
|
USSR(Urals) |
Agranovskaya,I.A. et al. Angiosperm plant pollen of Eocene deposits of various Regions of the USSR. (In: Atlas of Upper Cretaceous, Paleocene and Eocene spore-pollen complex of various Regions the USSR) |
1960 |
| details |
Oligocene |
Pleistocene |
Worldwide |
Muller,J. Fossil pollen records of extant angiosperms. |
1981 |