| details |
Kungurian |
Ufimian |
USSR(Permsk Oblast) |
Sivertseva,I.A. et al. Spore and pollen complexes of some Permian horizons of Upper Petchora Depression |
1972 |
| details |
Kungurian |
|
USSR(Orenburg) |
Markina,N.N. Pollen and spores of Lower Permian Halogen Formations of western and northern border zones of the PreCaspian Basin and their stratigraphic significance. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Late Stephanian |
|
France(Nievre) |
Primey,D. et al. Identification of flora with Autunian characteristics in Stephanian deposits in the Lucenay-les-Aix Region (Decize Basin, Nievre, France.) |
1987 |