| original |
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 |
|
USSR(Russian Platform) |
Lyuber,A.A. et al. Atlas of microspores and pollen of the Paleozoic of the USSR. |
1941 |
| details |
Early Carboniferous |
|
USSR(Komi ASSR) |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| details |
Early Carboniferous |
|
Spitsbergen |
Naumova,S.N. Spores and pollen of coals of the USSR. |
1939 |
| original |
Tournaisian |
Visean |
USSR(European) |
Lyuber,A.A. et al. Classification and stratigraphic value of spores of some Carboniferous Coal deposits in the USSR. |
1938 |