| 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 |
Conemaugh |
Monongahela |
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 |
Westphalian D |
|
Indiana |
Eggert,D.L. et al. Environments of deposition coal balls, Cuticular Shale and Grey-Shale floras in Fountain and Parke Counties, Indiana. |
1982 |
| details |
Late Westphalian C |
|
West Virginia |
Eble,C.F. et al. Characteristic small spores of the Coalburg Coal, (Upper Pottsville, Pennsylvanian), in West Virginia. |
1984 |
| details |
Desmoinesian |
Early 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 |
Middle Pennsylvanian |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Early Stephanian |
|
Texas |
Gennett,J.A. et al. Palynology of the Upper Pennsylvanian Dalton Coal, Palo Pinto County, Texas, USA. |
1993 |
| details |
Atokan |
Early Desmoinesian |
Illinois |
Peppers,R.A. Correlation of the "Boskydell Sandstone" and other sandstone containing marine fossils in Southern Illinois using palynology of adjacent coal beds. |
1993 |
| details |
Early Desmoinesian |
|
Missouri |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Early Desmoinesian |
|
Ohio |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Stephanian |
Westphalian D |
Kansas |
Peppers,R.A. Palynology of the Lost Branch Formation of Kansas: New insight the major floral transition at the Middle - Upper Pennsylvanian boundary. |
1997 |