| details |
Middle Frasnian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Early Frasnian |
|
USSR(Tatar ASSR) |
Pykhova,N.G. New data on the palynological characteristics of the Lower Part of the Pashiya deposits of the Shkapovo Formation and their use in detailed correlation |
1966 |
| details |
Early Frasnian |
|
USSR(Bashkir ASSR) |
Pykhova,N.G. New data on the palynological characteristics of the Lower Part of the Pashiya deposits of the Shkapovo Formation and their use in detailed correlation |
1966 |
| details |
Frasnian |
|
USSR(Nenets Nat.Okrug) |
Voitovich,I.A. The stratigraphic significance of the differentiation of the Middle Devonian and Lower Part of Upper Devonian of Iman on the basis of the study of spore and pollen assemblges. |
1967 |
| details |
Givetian |
|
USSR(Nenets Nat.Okrug) |
Voitovich,I.A. The stratigraphic significance of the differentiation of the Middle Devonian and Lower Part of Upper Devonian of Iman on the basis of the study of spore and pollen assemblges. |
1967 |
| details |
Late Devonian |
|
USSR(WSL) |
Rzhonsnitskaya,M.A. et al. The West Siberian Plateau. (In: Devonian Systems. D.V.Nalivkin et al, editors) |
1973 |