| details |
Late Permian |
|
USSR(Gorki) |
Dibner,A.F. On two spore-pollen complexes from deposits of the Pechora Series. (In: Scientific Notes, Palaeontology and biostratigraphy) |
1963 |
| details |
Early Permian |
|
USSR(Komi ASSR) |
Molin,V.A. et al. Palynological characteristic of the Ufimsk deposits in Western Pritiman |
1967 |
| details |
Late Permian |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Ufimsk Stage |
1969 |
| details |
Tatarian |
|
USSR(Arkhangelsk Oblast) |
Plotnikov,M.A. Tatarian Stage |
1969 |
| details |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Plotnikov,M.A. Tatarian Stage |
1969 |