| details |
Middle Visean |
Late Visean |
USSR(Ukrainian SSR) |
Teteryuk,V.K. Stratigraphic separation of Lower Carboniferous deposits of the western part of the Donbas by spores and pollen |
1960 |
| details |
Tournaisian |
Visean |
USSR(European) |
Byvsheva,T.V. Spore-pollen assemblages of the terrigenous Part of the Lower Carboniferous of the Volga-Urals Region |
1960 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. On the spores and pollen Compexes in crude oils and oil bearing Rocks |
1971 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Shkrebta,G.P. et al. New data on the age of ancient deposits in the Dnieper Donetzs Basin |
1973 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Early Moscovian |
|
USSR(Permsk Oblast) |
Shcherbakova,M.V. et al. Characteristics of Carboniferous deposits of the northern part of the Kizelovsk Region. (In: Carboniferous Stratigraphy, Fusulinidae and Miospores of the Urals, Svedlovsk. G.N.Papulov et al, editor) |
1980 |