| original |
Monongahela |
Early Permian |
USA(Appalachian Bn.) |
Clendening,J.A. Three new species of Fabasporites, Sullivan 1964 from the Appalachian Basin. |
1967 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Virgilian |
Cimarronian |
Kansas |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Early Virgilian |
Early Wolfcampian |
Texas |
Gupta,S. Miofloral succession and interpretation of the Base of the Permian system in the eastern Shelf of North Central Texas, USA. |
1977 |