| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Some preliminary results from spore analysis and study of the stratigraphy and paleogeography of the Carboniferous deposits of the USSR. |
1950 |
| details |
Early Carboniferous |
|
USSR(Russian Platform) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Tournaisian |
Visean |
USSR(European) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |
| details |
Early Carboniferous |
|
USSR(Moscow) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |