| details |
Sakmarian |
Artinskian |
USSR(Kazakh SSR) |
Dedovich,G.S. The stratigraphical importance of redeposited Carboniferous spores in Lower Permian deposits of the Caspian Depression. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Stephanian B |
Autunian |
France(Nievre) |
Primey,D. et al. The Lucenay-les-Aix Autunian - Stephanian Coal Field Nievre; Results of paleobotanical and palynological studies. |
1984 |
| details |
Late Bashkirian |
Sakmarian |
Canada(Yukon) |
Bamber,E.W. et al. A summary of Carboniferous and Permian biostratigraphy, Northern Yukon Territory and Northwest District of MacKenzie. (In: Current research Part G, Frontier Geoscience Program, Arctic Canada) |
1989 |
| details |
Permian |
|
Brazil(Alagoas) |
de Lima,M.R. et al. Re-Evaluation of palynological data on the Upper Paleozoic of Brazil |
1982 |