| details |
Early Cretaceous |
|
USSR(Far East) |
Bolkhovitina,N.A. et al. Spore-pollen complexes of the Suyfun Coal Seams (Far East). |
1963 |
| details |
Valanginian |
|
USSR(Far East) |
Korotkevich,V.D. Palynologic characteristics of the marine Jurassic and Lower Cretaceous sediments discovered in wells of Tyumatine and Ulakhan-Yruakhsk Uchastkakh (Lena-Olenek Region). |
1963 |
| details |
Liassic |
Dogger |
USSR(Kazakh SSR) |
Kovalchuk,G.M. Paleobotanical characteristics of Lower Mesozoic deposits of the Karagandinsk Basin. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 2.) |
1961 |
| details |
Early Jurassic |
|
USSR(Kazakh SSR) |
Kovalchuk,G.M. Paleobotanical charateristics of Lower Mesozoic deposits of Alakul'sk Seam. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 2.) |
1961 |
| details |
Middle Jurassic |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Early Jurassic |
|
USSR(Yakut ASSR) |
Bolkhovitina,N.A. Spore-pollen complexes from the Mesozoic deposits of the Vilyuy Basin and their importance for stratigraphy. |
1959 |
| details |
Early Valanginian |
Middle Valanginian |
USSR(Yakut ASSR) |
Kara-Murza,E.N. Some data on the composition of spore-pollen complexes of the marine Lower Cretaceous of the Nordvik Region. |
1958 |
| details |
Jurassic |
|
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |