| details |
Early Frasnian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Late Givetian |
Frasnian |
USSR(Far East) |
Tuzova,L.S. Stratigraphic significance of the Devonian spores and pollen of eastern Tartary |
1959 |
| details |
Early Frasnian |
|
USSR(Koryak Okrug) |
Kossovoy,L.S. On the stratigraphy of the Devonian of the Northern Timan area. |
1959 |
| details |
Early Frasnian |
|
USSR(Tatar ASSR) |
Tuzova,L.S. Spore-pollen complexes of the terrigenous Devonian and the Lower Carboniferous of Tartary and their value in stratigraphy |
1958 |
| original |
Frasnian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |