| details |
Visean |
|
USSR(Ukrainian SSR) |
Streel,M. et al. Occurrence and significance of reworked palynomorphs |
1980 |
| original |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. Spore and pollen analysis of the Lower Carboniferous deposits of the Dnieper-Donets Basin. |
1958 |
| details |
Nd |
|
Nd |
Owens,B. et al. Hymenozonotriletes lepidophytus Kedo, its distribution and significance in relation to the Devonian-Carboniferous boundary. |
1967 |
| details |
Late Famennian |
Tournaisian |
USSR |
Neves,R. Stratigraphic distribution of Carboniferous miospores. A progress report on the results of CIMP Working Group,(1965) |
1967 |