| details |
Late Siegenian |
|
USSR(Lithuanian SSR) |
Richardson,J.B. et al. A new spore assemblage to correlate between the Breconian (British Isles) and the Gedinnian (Belgium). |
1982 |
| details |
Siegenian |
|
USSR(European) |
Arkhangelskaya,A.D. A detailed biostratigraphic classification of Early Devonian deposits of European USSR, (Based on plant spores) |
1985 |
| details |
Siegenian |
|
USSR(Russian Platform) |
Arkhangelskaya,A.D. Zonal spore assemblages and stratigraphy of the Lower and Middle Devonian of the Russian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) |
1985 |
| details |
Siegenian |
|
USSR(Turkmen SSR) |
Arkhangelskaya,A.D. Spores from the Lower and Middle Devonian deposits of the Russian Platform. (In: Atlas of Spores and Pollen of Oil and Gas Bearing Deposits of the Russian and Turonskoi Platform. V.V.Menner and T.V.Byvsheva, editors) |
1985 |