| details |
Early Pleistocene |
|
USSR(Georgian SSR) |
Shatilova,I.I. et al. Palynological assemblages of Chaudinian deposits of Western Georgia and their stratigraphic significance. |
1980 |
| details |
Late Pliocene |
|
USSR(Georgian SSR) |
Shatilova,I.I. et al. Subdivision of Chaudinian deposits of Western Georgia based on palynology. |
1982 |
| details |
Middle Eocene |
|
USSR(Ukrainian SSR) |
Mikhelis,A.A. et al. The fossil pollen and their significance for stratigraphy of the Paleogene-Neogene desposits of Donbass. |
1974 |
| details |
Pliocene |
|
USSR(Siberia) |
Samigulina,E.P. Spore morhology of some plant fossils. (In: Sbornik po voprosam stratigrafii.) |
1957 |