| details |
Early Aptian |
Albian |
USSR(Taymyr Nat.Okrug) |
Dibner,V.D. Cretaceous stratigraphy of the Islands of the Barents -Kara Shelf and Gornyy Taymyr |
1962 |
| details |
Carboniferous |
|
USSR(Ukrainian SSR) |
Lapteva,A.M. The dependence of the spore composition of Coals on their facies affillation. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Aptian |
Albian |
USSR(Urals) |
Silina,E.N. New representatives of the genus Podozamites in Lower Cretaceous deposits of the northern Trans-Urals. (In: Symposium on the Problems of Stratigraphy: #4) |
1957 |