| 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 |
Middle Visean |
|
USSR(Tatar ASSR) |
Bludorov,A.P. et al. Coal Measures of the Lower Carboniferous of Tatary |
1956 |
| details |
Visean |
|
USSR(Kazakh SSR) |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Famennian |
|
USSR(Altai Kray) |
Bublichenko,N.L. et al. Southwestern Altai. (In: Devonian Systems. D.V.Nalivkin et al, editors) |
1973 |