| details |
Kazanian |
|
USSR(Kazakh SSR) |
Ditmar,V.I. et al. Permian Evaporites in Southwest Central Kazakhstan |
1964 |
| details |
Early Triassic |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. |
1966 |
| details |
Tatarian |
Induan |
USSR(Pre-Urals) |
Kyrbezhekova,A.N. Spore-pollen complexes in sediments inclosed in basalts of the Chernysheva Range. (In: Upper Paleozoic Terrigenous Deposits of the Urals.) |
1970 |
| details |
Late Carboniferous |
Early Permian |
USSR(Ukrainian SSR) |
Inosova,K.I. et al. Basic Stages of variation in spore-pollen I composition in the Upper Carboniferous and Lower Permian of Donbas. (In: Carboniferous Stratigraphy Problems. S.V. Semichatova, editor) |
1970 |
| details |
Late Permian |
|
USSR(Kazakh SSR) |
Kurbezhekova,A.N. Spore and pollen assemblages of sediments interbedded with basalt of the Chernyshev Ridge. (In: Upper Paleozoic Terrigenous Deposits of the Urals.) |
1970 |
| details |
Ufimian |
Tatarian |
USSR(Kazakh SSR) |
Zamarenov,A.K. et al. The Upper Permian sediments of the eastern side of the Fore-Caspian Depression. |
1972 |
| details |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. The age of Basel deposits of the Turin and Chelyabin series of the eastern Urals. (In: The Paleozoic and Mesozoic geology of the Urals and Transurals. Collection on the problems of stratigraphy,22.) |
1975 |
| details |
Late Carboniferous |
Early Permian |
USSR(Ukrainian SSR) |
Rauser-Chernousova,D.M. et al. The Carboniferous and Permian boundary in the USSR. (In: Biostratigraphy of Carboniferous and Permian boundary deposits. S.V.Meyen, editor) |
1980 |