| details |
Late Gzelian |
Early Asselian |
USSR(Rostov) |
Inosova,K.I. et al. Miospores. (In: Key section of boundary Carboniferous and Permian Beds of the South of the eastern-European Platform, (Gzhelian and Asselian Stages, Skosyrskaya Borehole N4199) |
1983 |
| details |
Late Gzelian |
Early Asselian |
USSR(Rostov) |
Inosova,K.I. et al. Miospores. (In: Key section of boundary Carboniferous and Permian Beds of the South of the eastern-European Platform, (Gzhelian and Asselian Stages, Skosyrskaya Borehole N4199) |
1983 |
| details |
Early Asselian |
|
USSR(Rostov) |
Inosova,K.I. et al. Miospores. (In: Key section of boundary Carboniferous and Permian Beds of the South of the eastern-European Platform, (Gzhelian and Asselian Stages, Skosyrskaya Borehole N4199) |
1983 |
| details |
Asselian |
|
USSR(Astrachan) |
Podgainaya,N.N. Development of Permian flora on the Astrakhan-Kalmykian Prekaspian according to palynological data. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Gzelian |
|
Ukraine |
Oshurkova,M.V. et al. Palynostratigraphy of Carboniferous deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |