details |
Late Jurassic |
|
USSR(Taymyr Nat.Okrug) |
Kara-Murza,E.N. Palynological basis of stratigraphical subdivision of the Mesozoic deposits of the Khatanga Depression. |
1960 |
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 |
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 |
Valanginian |
Early Hauterivian |
USSR(Irkutskaya Oblast) |
Bondarenko,N.M. Results of palynological investigation of Lower Cretaceous deposits of the central part of the Ienissei-Lena Depression |
1963 |