| details |
Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Sporomorphs Tetraporina from the Lower Namurian of the Upper Silesian Coal Basin. |
1966 |
| details |
Early Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. An outline of miospore stratigraphy of the productive Carboniferous in the vicinity of Klimontow, near Sosnowiec, (Pper Silesia) |
1975 |
| original |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Teteryuk,V.K. The angiosperms in the Lower Carboniferous deposits of the Western extension of the Donetz Basin |
1956 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |