| details |
Early Paleozoic |
|
USSR(Ukrainian SSR) |
Bagdasaryan,L.L. Micropaleophytological studies of Paleozoic oil in the South European part of the USSR. (In: Palynology in Petroleum Geology. N.M.Ivanova, editor) |
1971 |
| details |
Devonian |
|
USSR(Yakut ASSR) |
Pashkevich,N.G. Coding of morphological characteristics of miospores of Devonian vegetation. |
1975 |
| details |
Givetian |
|
USSR(Russian Platform) |
Kao,L. et al. Early and Middle Devonian spore assemblages from Tushan and Duyun of Kweichow and their stratigraphical significane. |
1975 |