| original |
Hauterivian |
Late Cretaceous |
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| details |
Middle Albian |
Late Albian |
Black Sea |
Dulub,V.G. et al. Correlation between Lower Cretaceous deposits of the Kerch Peninsula and northwest Caucasus, (in association with studies of strata containing hydrocarbons). |
1986 |
| details |
Hauterivian |
Cenomanian |
USSR(Primorsk Kray) |
Sedova,M.A. Lower Cretaceous spore-pollen complexes of South Primorsk-Suchansk Coal Fields. (In: Atlas of Lower Cretaceous spore-pollen complexes of some regions of USSR. I.M.Pokyovsksys and N.K.Stel'mak, editors) |
1964 |
| original |
Aptian |
|
USSR(Primorsk Kray) |
Verbitskaya,Z.I. Stratigraphical subdivision of Cretaceous sediments of Suchan Coal Basin based on palynology. |
1962 |