| details |
Early Devonian |
|
USSR(Tuvinskaya A.O.) |
Predtechenskii,N.N. Stratigraphy of Devonian deposits of Tuvy and Western Sayan. (In: Contributions to the geology of the Sayan-Altai Folded Region) |
1967 |
| original |
Eifelian |
|
USSR(Novosibirskaya) |
Nadler,Y.S. et al. New species of spores from the Eifelian Stage of the Middle Devonian of Western Bashkiria and the Kuznetz Basin. (In: Palynology research in Byelorussia and other Regions of the USSR) |
1971 |
| details |
Middle Devonian |
|
USSR(Taymyr Nat.Okrug) |
Nadler,Y.S. et al. New spore species from the Eifelian in the Middle Devonian of the West Bashkir and Kuznetsk Basins. (In: Palynological investigations in Belorussia and other Regions of the USSR. V.K.Golubzov et al, editors) |
1971 |
| original |
Eifelian |
|
USSR(Taymyr Nat.Okrug) |
Nadler,Y.S. et al. New spore species from the Eifelian in the Middle Devonian of the West Bashkir and Kuznetsk Basins. (In: Palynological investigations in Belorussia and other Regions of the USSR. V.K.Golubzov et al, editors) |
1971 |