| details |
Givetian |
|
USSR(Bashkir ASSR) |
Pykhova,N.G. Concerning the presence, in the section of the terrigenous productive Devonian of the Tuimaza Petroleum-bearing area, of Beds characterized by the Mosolovo and Vorobyovka assemblages of spores. |
1960 |
| details |
Givetian |
|
USSR(Far East) |
Tuzova,L.S. Stratigraphic significance of the Devonian spores and pollen of eastern Tartary |
1959 |
| 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 |