| details |
Givetian |
|
USSR(Latvian SSR) |
Ozolina,V.R. Givetian spores, (Middle Devonian), of Latvian SSR. |
1960 |
| details |
Givetian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Givetian |
|
USSR(Russian Platform) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Givetian |
Frasnian |
USSR(Far East) |
Tuzova,L.S. Stratigraphic significance of the Devonian spores and pollen of eastern Tartary |
1959 |
| details |
Early Devonian |
Early Givetian |
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from the Takata Beds of the Western Bashkir Autonomous Soviet Socialist Republic. |
1957 |
| original |
Givetian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |