| details |
Artinskian |
|
USSR(Pre-Urals) |
Faddeeva,I.Z. Significance of palynological data for the correlation of Permian deposits of some regions of the Euramerian and Tungska phyto-geographical areas. (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Middle Carboniferous |
Early Permian |
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Principles of distribution of spores and pollen and changes in their morphological peculiarites in sections of Upper Carboniferous and Lower Permian deposits of the Donetz Basin. (In: Palynology of Proterophyte and Palaeophyte.S.N.Naumova, editor) |
1974 |
| details |
Tatarian |
|
USSR(Arkhangelsk Oblast) |
Bazhenova,S.N. et al. Stratigraphy of the Tatarian Stage of the Volshoi Severnoi Duina and Usta River Interfluve |
1977 |
| details |
Asselian |
|
USSR(Urals) |
Rauser-Chernousova,D.M. et al. The Carboniferous-Permian boundary in the USSR. (In: The Carboniferous of the USSR. 8th International Congress of Carboniferous Stratigraphy and Geology. R.H.Wagner et al, editors) |
1979 |
| details |
Asselian |
|
USSR(Urals) |
Faddeeva,I.Z. Palynological characteristics of the Carboniferous-Permian Beds in the stratotype area (South Urals). (In: Biostratigraphy of Carboniferous and Permian boundary deposits. S.V.Meyen, editor) |
1980 |