| details |
Nd |
|
Nd |
Teteryuk,V.K. Basic species of microspores of the Middle Carboniferous of the Donets Basin (Short diagnoses and ranges). |
1970 |
| original |
Late Visean |
Bashkirian |
USSR(Ukrainian SSR) |
Araslanova,R.M. et al. Spores and pollen whose taxonomic position has not been determined. (In: New species of miospores from Paleozoic plants of the European part of the USSR 04-New species of ancient plants and Invertebrata of the USSR) |
1972 |
| details |
Westphalian D |
|
Black Sea |
Nikolov,Z. et al. Carboniferous Coal-bearing sediments in the northern part of the Bulgarian Black Sea Shelf |
1990 |
| details |
Late Visean |
Bashkirian |
USSR(Ukrainian SSR) |
Pashkevich,N.G. Morphological classification of dispersed fossil spores. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |