| original |
Eifelian |
|
USSR(Russian Platform) |
Arkhangelskaya,A.D. Periplecotriletes tortus at the base of the Eifelian of the Central Russian Plain of the USSR |
1976 |
| details |
Early Eifelian |
|
USSR(Urals) |
Batanova,G.P. et al. Paleontological basis and correlation of the Eifelian Stage of the Volgograd-Volgo Region. (In: The Present-Day Importance of Paleontology to Stratigraphy.) |
1982 |
| details |
Late Emsian |
|
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 |
Late Emsian |
Early Eifelian |
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 |