| original |
Tournaisian |
Namurian |
USSR(Kazakh SSR) |
Lyuber,A.A. Atlas of spores and pollen of the Paleozoic deposits of Kazakhstan. |
1955 |
| 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 |
Carboniferous |
|
USSR(Kemerovskaya) |
Dryagina,L.L. et al. Spore pollen complexes of the Carboniferous. (In: Biostratigraphy of the Paleozoic of the Sayano-Altai Mining Region.Vol. III. Upper Paleozoic. L.L.Khalfina, editor) |
1962 |
| details |
Early Carboniferous |
Middle Carboniferous |
USSR(Siberia) |
Dryagina,L.L. Spores and pollen. (In: Biostratigraphy of the Paleozoic of the Sayano-Altai Mining Region.Vol. III. Upper Paleozoic. L.L.Khalfina, editor) |
1962 |
| details |
Permian |
|
USSR(Siberia) |
Odintsova,M.M. et al. On the age of the Almazon Layers of the southern slope of the Anabarsk Anticline. |
1969 |