| details |
Eifelian |
|
USSR(European) |
Arkhangelskaya,A.D. Spore-based zonation of the lower part of the Middle Devonian in the central and eastern European part of the USSR. |
1974 |
| details |
Early Eifelian |
|
USSR(Russian Platform) |
Chibrikova,E.V. Boundaries and subdivisions of the Middle Devonian based on palynological data. (In: Middle Devonian of the USSR; Its Boundaries and Stage Subdivision. M.A. Kamaletdinova and M.A.Kzhonskitskaya, editors) |
1985 |
| details |
Early Eifelian |
|
USSR(Urals) |
Chibrikova,E.V. Boundaries and subdivisions of the Middle Devonian based on palynological data. (In: Middle Devonian of the USSR; Its Boundaries and Stage Subdivision. M.A. Kamaletdinova and M.A.Kzhonskitskaya, editors) |
1985 |
| details |
Takatian |
|
Russia(Urals) |
Shuiskii,V.P. |
1999 |
| details |
Frasnian |
|
Russia(Nenets Nat.Okrug) |
Raskatova,M.G. Devonian palynocomplex from the Timano-Pechorskoi Province. |
2001 |