| details |
Late Bashkirian |
|
USSR(Ukrainian SSR) |
Lashmanova,R.M. et al. Palynological characteristics of the Carboniferous in the Kochanovo oil and Gas deposits, Dnieper-Donets Basin. |
1971 |
| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| original |
Late Famennian |
|
China(Kiangsu) |
Ouyang,S. et al. Miospore assemblages from the Devonian-Carboniferous transition in Jurong of Southern Jiangsu with special reference to the geological a age of the Wuntung Group |
1987 |