details |
Emsian |
|
USSR(Kemerovskaya) |
Dryagina,L.L. et al. Spores |
1960 |
details |
Permian |
|
USSR(Evenki Nat.Okrug) |
Medvedeva,A.M. Stratigraphic subdivision of lower horizons of the Tunguska Series by spore-pollen analysis. |
1960 |
details |
Devonian |
|
USSR(Siberia) |
Khalfina,L.L. Biostratigraphy of the Paleozoic of the Sayano-Altay Mining District |
1960 |
details |
Givetian |
|
USSR(Far East) |
Tuzova,L.S. Stratigraphic significance of the Devonian spores and pollen of eastern Tartary |
1959 |
original |
Givetian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |