| original |
Late Permian |
|
USSR(Siberia) |
Dryagina,L.L. Some new species of Late Permian miospores from the Kuznets Basin. |
1971 |
| details |
Middle Permian |
|
USSR(Mordovian ASSR) |
Dryagina,L.L. Stratigraphy and palynological characterization of Paleozoic and Mesozoic deposits of the Kuznetsk Basin. Palynological characterization of the Kol'chuginskaya Series. |
1971 |
| 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 |