| details |
Albian |
Late Cretaceous |
USSR(Koryak Okrug) |
Verbitskaya,Z.I. The spore-pollen complexes in Cretaceous deposits of the Suchan Coal Basin. |
1958 |
| details |
Albian |
Cenomanian |
USSR(WSL) |
Markova,L.G. et al. Correlation of Continental Cenomanian Layers of some Southern Regions in the Western Siberian Lowlands, based on paleobotanical facts. |
1967 |
| details |
Akchagylian |
|
USSR(Kuybyshev) |
Kuznetsova,T.A. On the characteristics of the flora of the Akchagyl deposits of the Lower Kama and the Kuibyshev-Saratovsk Trans-Olga Regions. |
1959 |