| details |
Early Westphalian B |
|
W.Germany(N.Rhine) |
Schweitzer,H.J. et al. The dispersed spores of the Essener Layers (Lower Westphalian B) in the eastern Ruhr area and their usefulness for Seam comparison |
1991 |
| details |
Early Stephanian |
|
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Palynological investigations of the Lower Nevren Seam (Lower Stephanian) in the northern part of the Plzen Carboniferous Coal-Bsin. |
1964 |
| details |
Early Carboniferous |
|
USSR(Ukrainian SSR) |
Teteryuk,V.K. Spore and pollen analysis in biostratigraphy. (In: Palynological studies of sedimentary deposits in the Ukraine and Surrounding Regions. V.V. Permyakov and I.A.Frolova, editors) |
1976 |
| details |
Desmoinesian |
|
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| original |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |