details |
Givetian |
|
USSR(Nenets Nat.Okrug) |
Motovilov,P.I. Palynologic features of the Devonian of the Ukhta District |
1965 |
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 |