| details |
Middle Desmoinesian |
Virgilian |
Illinois |
Peppers,R.A. Comparison of miospore assemblages in the Pennsylvanian system of the Illinois Basin with those in the Upper Carboniferous of Western Europe |
1985 |
| details |
Late Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynological analyses of Upper Pennsylvanian Coal Beds and adjacent strata from the proposed Pennsylvanian system stratotype in West Virginia |
1988 |
| details |
Westphalian D |
|
Black Sea |
Nikolov,Z. et al. Carboniferous Coal-bearing sediments in the northern part of the Bulgarian Black Sea Shelf |
1990 |
| details |
Early Missourian |
|
Kansas |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |