| details |
Late Carboniferous |
Early Permian |
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Basic Stages of variation in spore-pollen I composition in the Upper Carboniferous and Lower Permian of Donbas. (In: Carboniferous Stratigraphy Problems. S.V. Semichatova, editor) |
1970 |
| details |
Middle Triassic |
|
USSR(Nenets Nat.Okrug) |
Morakhovskaya,Y.D. et al. Triassic of the western part of the Bolshezemelska Bolshezemelskaya Tundra and Kolgruyev Island |
1977 |
| details |
Middle Triassic |
|
USSR(Nenets Nat.Okrug) |
Variukhina,L.M. Triassic deposits of Kolguev |
1979 |
| details |
Aalenian |
Bajocian |
USSR(Turkmen SSR) |
Vinogradova,K.V. Jurassic spore and pollen assemblages of Mangyshlak and Western Turkmeniya. (In: Spore and pollen of the Jurassic and Lower Cretaceous from Central Asia. N.A. Bolkhovitina and N.I. Fokina, editors.) |
1971 |