| details |
Late Permian |
|
USSR(European) |
Dryagina,L.L. Palynological characteristics of the Rrunak key section of Upper Permian deposits of the Kolchuginsk Series in the Uznetsk Basin. |
1980 |
| original |
Late Permian |
|
USSR(Siberia) |
Dryagina,L.L. Some new species of Late Permian miospores from the Kuznets Basin. |
1971 |
| details |
Kazanian |
|
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 |