| original |
Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. et al. Sporomorphs Tetraporina from the Lower Namurian of the Upper Silesian Coal Basin. |
1966 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Namurian |
|
Poland |
Jachowicz,A. A microfloristic description and stratigraphy of the productive Carboniferous of the Upper Silesian Coal Basin. |
1972 |
| details |
Early Namurian A |
|
Poland |
DybovЎ-Jachowiczowa,S. Miospore stratigraphy of the upper part of the Hrusov Beds in the vicinity of Szombierki (Upper Silesia). |
1975 |