| details |
Missourian |
|
Texas |
Gupta,S. Miospores from the Desmoinesian-Missourian boundary Formations of Texas and the age of the Salesville Formation |
1970 |
| details |
Early Missourian |
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 |
| details |
Duckmantian |
|
Kentucky |
Greb,S.F. et al. An Insitu occurrence of coal balls in the Amburgy Coal Bed, Pikeville Formation (Duckmantian), Central Appalachian Basin, USA. |
1999 |
| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| details |
Carboniferous |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Namurian B |
Westphalian |
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 |
Late Westphalian A |
|
Kentucky |
Eble,C.F. et al. Palynologic, petrographic and geochemical characteristics of the Manchester Coal Bed in eastern Kentucky. |
1995 |
| details |
Namurian B |
Westphalian B |
Virginia |
Eble,C.F. Lower and Lower Middle Pennsylvanian coal palynofloras, southwestern Virginia. |
1996 |
| details |
Late Pennsylvanian |
|
Ohio |
Dimichele,W.A. et al. A Drowned Lycopsid Forest above the Mahoning Coal (Conemaugh Group, Upper Pennsylvanian) in eastern Ohio, USA |
1996 |
| details |
Early Namurian |
|
England(Westmorland) |
Clayton,G. et al. Carboniferous miospores of Western Europe |
1977 |
| details |
Pennsylvanian |
|
Oklahoma |
Clarke,R.T. Palynology of the Secor Coal (Pennsylvanian) of Oklahoma |
1961 |