| details |
Early Givetian |
|
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 |
| original |
Givetian |
|
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 |
| details |
Early Eifelian |
|
Canada(Arctic) |
Uyeno,T.T. Biostratigraphy and conodont faunas of Upper Ordovician through Middle Devonian Rocks, eastern Arctic Archipelago |
1990 |