| details |
Carboniferous |
Permian |
USSR(Yakut ASSR) |
Vinogradov,V.A. et al. Identification of Permian sediments on Bolshoy Lyakhov Island. |
1975 |
| details |
Tatarian |
|
USSR(Siberia) |
Dibner,A.F. An attempt to determine palynological zones, using the Upper Paleozoic of the western Angara region as an example. (In: Methods of Interpretation of Palynological Data. E.P.Boitsova, editor) |
1977 |
| details |
Early Namurian |
Late Namurian |
China(Kansu) |
Wu,X. et al. Recent research on the Carboniferous stratigraphy of Jingyuan eastern Gansu. |
1989 |