| details |
Turonian |
|
USSR(Kazakh SSR) |
Samsonov,S.K. New information on the age of the Upper Cretaceous deposits of Kara-Tau. |
1964 |
| details |
Pontian |
|
USSR(Ukrainian SSR) |
Shchekina,N.A. New facts about the Pontian vegetation of the Southern Ukraine. |
1965 |
| details |
Early Oligocene |
|
Canada(British Columbia) |
Piel,K.M. Palynology of Oligocene sediments from Central British Columbia |
1971 |
| 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 |