| details |
Early Eifelian |
|
USSR(Pre-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 |
Late 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 |
Givetian |
|
USSR(Latvian SSR) |
Ozolina,V.R. Givetian spores, (Middle Devonian), of Latvian SSR. |
1960 |
| 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 |
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 |
Frasnian |
|
USSR(Kaliningrad) |
Yalysheva,A.A. Palynostratigraphy of Devonian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |