| details |
Early Frasnian |
Middle Frasnian |
USSR(Russian Platform) |
Avkhimovich,V.I. et al. Middle and Upper Devonian miospore zonation of eastern Europe. |
1993 |
| details |
Early Semilukian |
|
USSR(Moscow) |
Alekseev,A.S. et al. The Devonian and Carboniferous of the Moscow Syneclise (Russian Platform): Stratigraphy and sea-level changes |
1996 |
| details |
Frasnian |
|
Russia(Nenets Nat.Okrug) |
Raskatova,M.G. Devonian palynocomplex from the Timano-Pechorskoi Province. |
2001 |
| details |
Middle Frasnian |
|
Russia(Komi) |
Becker,R.T. et al. A potential Middle Frasnian stratotype section at Chut River (Southern Timan, Russia). |
2001 |