| details |
Early Famennian |
|
USSR(Yakut ASSR) |
Kedo,G.I. et al. Palynological characterization of the Intersaliferous Beds from the Khobnoe Elevation |
1971 |
| details |
Famennian |
|
USSR(Yakut ASSR) |
Peterson,L.N. Characteristics of spore assemblages from Devonian deposits in South-Central Siberia. |
1975 |
| details |
Devonian |
Early Carboniferous |
USSR(Yaroslav) |
Bagdasaryan,L.L. The significance of microphytofossils in the solving of some problems in petroleum geology. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |