| original |
Middle Jurassic |
Middle Jurassic |
USSR(Sverdlovskaya) |
Kara-Murza,E.N. Spores and pollen of Mesozoic deposits of the northern Eniseydk Lensk Region. |
1954 |
| details |
Bathonian |
|
USSR(Taymyr Nat.Okrug) |
Kara-Murza,E.N. Palynological basis of stratigraphical subdivision of the Mesozoic deposits of the Khatanga Depression. |
1960 |
| details |
Jurassic |
|
USSR(Siberia) |
Gutova,L.N. et al. Solution of problems of taxonomy and nomenclature obtained from the study of spores and pollen occurring in Jurassic Depoits of the Siberian Platform. (Taxonomy and Methods for the Study of Fossl Pollen and Spores. V.N. Saks and A.F. Khlonova, editors) |
1964 |
| details |
Bajocian |
Bathonian |
USSR(WSL) |
Voitsel,Z.A. et al. Spore and pollen assemblages of Jurassic deposits of the Ob'-Irtysh interfluve and their importance for stratigraphy. |
1966 |