| details |
Silurian |
Early Devonian |
USSR(Ukrainian SSR) |
Partyka,I.I. Plant microfossils of the Tiverian Stage of the Southwestern Margin of the Russian Platform. |
1971 |
| details |
Silurian |
|
Romania |
Nastaseanu,S. The Retezat Conglomerates, a stratigraphic Mark in the correlation of the Paleozoic Formations in the eastern part of the South Carpathians |
1976 |
| details |
Ordovician |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Late Gothlandian |
Early Devonian |
Czechoslovakia |
Parsikova,M. et al. Palynological evaluation of samples from Hrelikov Potok and Kotlinee localities, Lower Paleozoic of the Gemeric Unit. |
1983 |
| original |
|
|
Poland |
Visarion,A. et al. On the Devonian - Lower Carboniferous age of the slightly metamorphosed Formation of the Moniom Nappe, (Banat). |
1985 |