| details |
Westphalian B |
Westphalian C |
Poland |
Dembowski,Z. et al. Redeposited coal fragments and pebbles in the sandstones of the Orzesze and Laziska Beds in the MiedzyrzeczeIg 2 borehole |
1964 |
| details |
Nd |
|
Nd |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| details |
Namurian A |
|
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Famennian |
|
USSR(Voronezh) |
Semenova,E.V. Megaspores of Paleozoic plants in some Regions of the Ukrain and Southern Voronezh area and their stratigraphic importance |
1987 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Namurian A |
|
Poland |
Knafel,S. et al. Zones of megaspore changes in Namurian a of the north eastern part of the Upper Silesian Coal Basin. (In: Geological Research in the Silesian-Cracovian Region.) |
1979 |
| details |
Stephanian B |
Stephanian C |
China(Shansi) |
Gao,L. Carboniferous and Early Permian spore assemblages of North China Region and the boundary of the Carboniferous and Permian |
1985 |
| details |
Early Tournaisian |
Namurian B |
Czechoslovakia |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |