| original |
Tournaisian |
|
USSR(Belorussian SSR) |
Kedo,G.I. Tournaisian spores of the Pripyat Depression and their stratigraphic significance. |
1963 |
| original |
Early Givetian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| original |
Early Givetian |
|
USSR(Russian Platform) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| original |
Givetian |
Early Frasnian |
USSR(Tatar ASSR) |
Pykhova,N.G. An attempt of a detailed correlation of the terrigenous, productive deposits of the Pashii Formation by means of a spore-pollen analysis, as was previously done with some oil-bearing areas in Setatar SSSR |
1960 |