| details |
Late Pliocene |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. The history of the vegetative Cover of the Southern Ukraine in the Late Pliocene (as to the data of spore-pollen analyis). |
1971 |
| details |
Early Pleistocene |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. The history of the vegetative Cover of the Southern Ukraine in the Late Pliocene (as to the data of spore-pollen analyis). |
1971 |
| details |
Late Oligocene |
|
USSR(Gorki) |
Blom,G.I. Oligocene deposits of the Volga-Vetluga Region |
1960 |
| details |
Early Paleocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. On the problem of the Paleogene flora of Karatau |
1960 |
| details |
Late Cretaceous |
|
USSR(Krasnoyarsk Kray) |
Bogolepov,K.V. The Upper Cretaceous rocks of the Yenisei Ridge |
1958 |