| original |
Early Eifelian |
|
USSR(Urals) |
Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). |
1972 |
| 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 |
Eifelian |
Givetian |
Czechoslovakia |
SnopkovŠ,P. et al. Devonian (Givetian-Frasnian) found by Drill Hole FV-1, (Blhovce). |
1979 |
| details |
Early Eifelian |
|
USSR(European) |
Chibrikova,E.V. et al. Stratification of Eifelian sediments on plant miospores in the European part of the USSR. |
1982 |