| original |
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 |
Stephanian B |
|
Czechoslovakia |
KalibovЎ-KaiserovЎ,M. Palynology of the Jelenice Member, (Stephanian). |
1978 |
| details |
Pottsville |
|
Alabama |
Woerner,E.G. A palynological investigation of the Mary Lee and Blue Creek Coal Seams in the northern Black Warrior Basin, Alabama. |
1981 |
| details |
Early Missourian |
|
Missouri |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |