| details |
Devonian |
|
Poland |
Jakubowska,L. Flora of the Devonian;Microflora |
1972 |
| details |
Desmoinesian |
|
Illinois |
de Wet,C.B. et al. Disrupted coal and carbonate facies within two Pennsylvanian cyclothems, Southern Illinois Basin, United States |
1997 |
| details |
Desmoinesian |
|
Illinois |
de Wet,C.B. et al. Disrupted coal and carbonate facies within two Pennsylvanian cyclothems, southern Illinois basin, United States. |
1997 |
| details |
Chesterian |
|
Illinois |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Chesterian |
Morrowan |
Oklahoma |
Miller,M.A. et al. Upper Mississippian and Lower Pennsylvanian Litho facies and palynology from Northeastern Oklahoma; a field excursion |
1989 |
| details |
Chesterian |
Westphalian |
Sinai |
Saad,S.I. Pollen and spores recently discovered in the Coals of the Sinai Region. 2.Um Bogma District. |
1965 |
| details |
Chesterian |
|
Iowa |
Urban,J.B. Palynology and the Independence Shale of Iowa. |
1971 |
| original |
Chesterian |
|
Illinois |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |
| original |
Chesterian |
|
Kentucky |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |