| details |
Hauterivian |
Aptian |
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| details |
Late Cretaceous |
|
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| details |
Tertiary |
|
USSR(Ukrainian SSR) |
Chepikov,K.R. New data on microfossils in the crude oils of European USSR. |
1963 |
| details |
Tertiary |
|
USSR(Moldavian SSR) |
Chepikov,K.R. New data on microfossils in the crude oils of European USSR. |
1963 |