| details |
Visean |
Serpukhovian |
USSR(Russian Platform) |
Dryagina,L.L. Description of organic remains; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Moscovian |
|
USSR(Siberia) |
Dryagina,L.L. Biostratigraphic analysis of some groups of organic remains; evolutionary stages and methods of stratigraphic utilization; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Visean |
Serpukhovian |
Ukraine |
Oshurkova,M.V. et al. Palynostratigraphy of Carboniferous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |