| details |
Late Permian |
|
USSR(Siberia) |
Odintsova,M.M. Spore-pollen complexes from the Tuffaceous deposits of the central part of the Siberian Platform and the Nearshore marine beds of the Indsk Layers of northern Pri-Verkhoyask. |
1969 |
| details |
Gzelian |
Asselian |
USSR(Kemerovskaya) |
Andreeva,E.M. et al. On the age of the Ostrog Suite, Kuznetes Basin. |
1974 |
| details |
Late Permian |
|
USSR(Krasnoyarsk Kray) |
Orlova,E.F. et al. Upper Permian and Triassic stratigraphy of rocks from the southeast part of the Tungussian Syneclise. |
1974 |