| details |
Early Devonian |
|
USSR(Urals) |
Chibrikova,E.V. Stratigraphy of Devonian and older Paleozoic deposits of the Southern Urals and the Pre-Urals (According to plant Microfssils). |
1977 |
| details |
Early Eifelian |
|
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 |
Artinskian |
|
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |
| details |
Late Frasnian |
Early Carboniferous |
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 |
| details |
Silurian |
Early Devonian |
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 |
Early Devonian |
Early Eifelian |
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 |
Gedinnian |
Early Emsian |
USSR(Baltic) |
Stanichnikova,M.S. Lower Devonian spore assemblage from the Baltic Region. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |
| details |
Emsian |
Eifelian |
Czechoslovakia |
Chibrikova,E.V. Lower-Middle Devonian boundary in Barrandian sequences on plant miospores. |
1982 |
| details |
Early Devonian |
Eifelian |
USSR(Bashkir ASSR) |
Chibrikova,E.V. Plant microfossils from the Lower Devonian of the Western Slope of the Urals and Uralia |
1970 |
| details |
Siegenian |
Emsian |
Czechoslovakia |
SnopkovŠ,P. The influence of epimetamorphosis on the preservation of palynomorphs in the Drnava Formation of the Gelnica Group in the Spissko-Gemerke Ore Mountains |
1984 |
| details |
Early Devonian |
Middle Devonian |
USSR(European) |
Kedo,G.I. et al. Spores. (In: Colloquia on the fauna and flora of the Lower and Middle Devonian boundary Layers in the USSR.) |
1978 |
| original |
Gedinnian |
Siegenian |
USSR(Komi ASSR) |
Chibrikova,E.V. Plant microfossils from the Lower Devonian of the Western Slope of the Urals and Uralia |
1970 |
| details |
Late Gedinnian |
Siegenian |
USSR(Tyumenskaya Oblast) |
Spasskiy,N.Y. Spores: Gedinian to Early Eifelian, Late Middle Devonian boundary at the Base of Takada, Salairka and Pyarnees species list. (In: A Colloquia on the fauna and flora of Lower to Middle Devonian horizons of USSR) |
1978 |
| details |
Late Gedinnian |
Siegenian |
USSR(Estonian SSR) |
Spasskiy,N.Y. Spores: Gedinian to Early Eifelian, Late Middle Devonian boundary at the Base of Takada, Salairka and Pyarnees species list. (In: A Colloquia on the fauna and flora of Lower to Middle Devonian horizons of USSR) |
1978 |
| details |
Ordovician |
Silurian |
USSR(Vologda) |
Nazarenko,A.M. et al. Stratigraphic subdivision of Pre-Upper Eifelian deposits of the Volga Region near Volgograd based on palynologic data |
1984 |