| details |
Desmoinesian |
|
Pennsylvania |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Carboniferous |
|
Pennsylvania |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania |
1963 |
| details |
Carboniferous |
|
West Virginia |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania |
1963 |
| 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 |
Asselian |
|
Switzerland |
Hochuli,P.A. Palynostratigraphic classification and correlation of Permo-Carboniferous of northern Switzerland |
1985 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| details |
|
|
W.Germany(Baden) |
Weiss,M. The Rat and Jurassic sporoflora of Sw-Germany and their relationship with Ammonite stratigraphy |
1989 |