| original |
Devonian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| original |
Devonian |
|
USSR(Russian Platform) |
Chibrikova,E.V. Spores from Devonian and older deposits of Bashkir |
1959 |
| details |
Eifelian |
Frasnian |
USSR(Tatar ASSR) |
Pykhova,N.G. Spore and pollen complexes of the terrigenous part of the productive Devonian in the Tatar ASSR, and their stratigraphic significance. |
1960 |
| details |
Eifelian |
|
USSR(Vologda) |
Nazarenko,A.M. A characterization of the spore assemblages of the Middle Devonian Beds of the Province of Volgograd |
1964 |