| original |
Givetian |
Early Frasnian |
USSR(European) |
Raskatova,L.G. Middle and Upper Devonian spore-pollen complexes of the southeastern part of the Central Devonian Field. |
1969 |
| details |
Late Eifelian |
Early Givetian |
USSR(Baltic) |
Vaitekunene,G.K. Spore complexes of the Pyarnu and Narova horizons in the southern part of the Balticum. (In:-Palynological Researches in the Baltic Soviet Republics. T.D.Bartosh, editor) |
1971 |
| details |
Givetian |
Frasnian |
USSR(Ukrainian SSR) |
Raskatova,L.G. A detailed stratigraphic subdivision of the Devonian of the Central Devonian Field in the light of palynological evidence. |
1974 |