| details |
Devonian |
|
USSR(Siberia) |
Khalfina,L.L. Biostratigraphy of the Paleozoic of the Sayano-Altay Mining District |
1960 |
| details |
Tournaisian |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Famennian |
|
USSR(Belorussian SSR) |
Kedo,G.I. Spores of the Devonian deposits which lie over the Saliferous Layers of the Pripet (Pripyat) Depression, and their stratgraphic significance. |
1957 |
| original |
Early Famennian |
|
USSR(Russian Platform) |
Naumova,S.N. Spore-pollen complexes of the Upper Devonian of the Russian Platform and their significance for stratigraphy |
1953 |