| details |
Dogger |
|
USSR(Irkutskaya Oblast) |
Ankudimova,L.A. et al. A stratigraphic scheme for the Jurassic Irkuts Coal Basin. (In: The Phanerozoic Organic World of Eastern Siberia.) |
1982 |
| details |
Hauterivian |
|
USSR(Kazakh SSR) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Middle Albian |
Late Albian |
USSR(Kazakh SSR) |
Alekseeva,V.I. The Albian spore-pollen complexes of the Pre-Caspian Depression, (east part), and their stratigraphic significance. |
1969 |