| details |
Tatarian |
|
USSR(Kazakh SSR) |
Zamarenov,A.K. et al. The Upper Permian sediments of the eastern side of the Fore-Caspian Depression. |
1972 |
| details |
Early Kazanian |
|
USSR(Orenburg) |
Gayazova,A.L. Spore-pollen complexes from the Lower Kazanian deposits of the Orenburg District. |
1974 |
| details |
Early Permian |
|
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Atlas of microspores and pollen of Upper Carboniferous and Lower Permian of Donets Basin. |
1976 |
| details |
Artinskian |
|
USSR(Urals) |
Faddeeva,I.Z. Regularities in the changes of miospore complexes in stratotype sections of the East European Platform and the Urals. |
1979 |
| details |
Westphalian D |
Permian |
Czechoslovakia |
Planderova,E. et al. Biostratigraphic evaluation of Graphiteous Shales in the Zemplin Inselberg area (Eastern Slovakia). |
1981 |
| details |
Kazanian |
|
USSR(Kazakh SSR) |
Kultasova,V.K. et al. On the Late Permian age of the Kairaktinsk Suite, Tenizsk Depression |
1986 |