| details |
Tournaisian |
Westphalian |
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| details |
Visean |
|
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| details |
Visean |
|
USSR |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 2 |
1958 |
| details |
Late Carboniferous |
|
USSR(Kazakh SSR) |
Orlov,I.V. et al. On the question of the age of the Coal-bearing Suite of the Karaganda Basin and of the PossibiliIty of their correlation with Upper Palaeozoic deposits of other Regions of Central Kazakhstan |
1960 |
| details |
Ufimian |
Tatarian |
USSR(Urals) |
Vasileva,M.M. Results of a study of spore-pollen assemblages of Upper Permian deposits of the Aktyubinsk Region the Urals. (In: Biostratigraphy and Paleontology of Paleozoic Deposits of the Eastern Part of the Russian Platform and Western Priuralye. A.K.Gusev, editor) |
1970 |