| original |
Middle Jurassic |
Albian |
USSR(WSL) |
Klimko,S.A. Osmundaceae. (In: Pyltsa i spory zapadnoi Sibiri, yura-paleotsen. S.R.Samoilovich and N.D.Mtchedlishvili, editors) |
1961 |
| details |
Berriasian |
|
USSR(Yakut ASSR) |
Lyubomirova,K.A. et al. Results of palynological studies of Lower Cretaceous deposits in the northern part of the Leno-Anabar Trough. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Bajocian |
Bathonian |
USSR(Tomskaya Oblast) |
Voitsel,Z.A. et al. The composition of the spore-pollen complexes in various facies of Jurassic deposits of the Ob-Irt Ish Interfluve. (In: On the Methods in Paleopalynological Studies.) |
1966 |
| 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 |