| original |
Eifelian |
|
USSR(Bashkir ASSR) |
Chibrikova,E.V. Spores of the Devonian terrigenous deposits of Western Bashkiria and the Western Slopes of the Southern Urals |
1962 |
| details |
Eifelian |
Givetian |
USSR(Russian Platform) |
Arkhangelskaya,A.D. On the question of the boundary between the Eifelian and Givetian in the central part of the Russian Platform (In: New Data Geological Structure C. Regions Russian Platform in connection with Evaluation prospects for finding Petroleum and Gas Research.) |
1970 |
| details |
Early Eifelian |
|
USSR(Krasnoyarsk Kray) |
Peterson,L.N. et al. First finds of spores in the Middle Devonian deposits of the Nazarov Depression of the Minusinsk Trough. (In: Paleozoic biostratigraphy of Western Siberia. V.N.Dubatolov and A.V.Kanygni, editors) |
1985 |
| details |
Early Eifelian |
|
Canada(Arctic) |
Uyeno,T.T. Biostratigraphy and conodont faunas of Upper Ordovician through Middle Devonian Rocks, eastern Arctic Archipelago |
1990 |