| original |
Frasnian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |
| details |
Eifelian |
|
USSR(Tuvinskaya A.O.) |
Varentsov,I.M. The stratigraphy and facies of the Upper and Middle Devonian deposits in the Tuva Trough |
1959 |
| details |
Middle Frasnian |
|
USSR(Latvian SSR) |
Ozolina,V.R. Spore-pollen spectrum of Frasnian age of Upper Devonian, Latvian SSR. |
1963 |
| details |
Late 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 Frasnian |
Early Famennian |
Canada(Arctic) |
Kerr,J.W. Geology of Bathurst Island Group and Byam Martin Island, Arctic Canada. |
1974 |