| original |
Visean |
|
USSR(Kazakh SSR) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| details |
Early Carboniferous |
|
USSR(Russian Platform) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Early Carboniferous |
Middle Carboniferous |
USSR(Krasnoyarsk Kray) |
Andreeva,E.M. Correlation of Upper Paleozoic coal-bearing deposits of Tungur, Minusinsk and Kuznets Basin on data of spore-pollen analysis. |
1960 |
| details |
Early Visean |
|
USSR(Belorussian SSR) |
Kedo,G.I. Spores of the Lower Carboniferous of the Pripyat Trough, (Yasmopolyanskii Substage). (In: Paleontology and Stratigraphy of the BSSR) |
1966 |