| original |
Devonian |
|
USSR(Nenets Nat.Okrug) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Givetian |
Frasnian |
USSR(Kemerovskaya) |
Andreeva,E.M. et al. New data on the phytostratigraphy of Devonian Deposits in the Altay-Sayan Mountain Region. (In: Contributions to the Phytostratigraphy of Devonian Deposits in the Altay-Sayon Mountain Region, Collected Articles) |
1962 |
| details |
Early Devonian |
Early Givetian |
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 |
| details |
Late Devonian |
Early Carboniferous |
Romania |
Pitulea,G. et al. The presence of certain metamorphosed Upper Devonian - Lower Carboniferous Formations in the Basin of the Bistra (Maramures Valley). Preliminary Note. (In: Geology, Geophysics, Geography Studies and Research; Geology Series) |
1972 |
| details |
Late Devonian |
Early Carboniferous |
Romania |
Pitulea,G. Paleozoic metamorphic Formations of the Extreme North West of the Maramures Mountains (Bistra Valley Basin). |
1972 |