| 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 |
Late Westphalian B |
|
Kentucky |
Eble,C.F. et al. Compositional variations in the Fire Clay Coal Bed of Eastern Kentucky: Geochemistry, petrography, palynology and paleoecology. |
1999 |
| details |
Westphalian D |
|
Kansas |
Willard,D.A. Source plants for Carboniferous microspores Lycospora from permineralized Lepidostrobus |
1989 |
| 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 |
| details |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| details |
Namurian B |
Westphalian A |
Iowa |
Ravn,R.L. et al. A Morrowan, (Upper Carboniferous), miospore flora from eastern Iowa, USA. |
1982 |
| details |
Morrowan |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| 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 |
Westphalian D |
|
Indiana |
Willard,D.A. Source plants for Carboniferous microspores Lycospora from permineralized Lepidostrobus |
1989 |
| details |
Early Morrowan |
Early Atokan |
Indiana |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Morrowan |
Atokan |
Illinois |
Phillips,T.L. et al. Changing patterns of Pennsylvanian Coal swamp vegetation and implications of climatic control on coal occurrence |
1984 |
| details |
Westphalian A |
Westphalian D |
Illinois |
Willard,D.A. Correlation of Lycospora with Lycopod Cones from Lower and Middle Pennsylvanian Coal Balls. |
1985 |
| details |
Morrowan |
Middle Desmoinesian |
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 |
Westphalian D |
|
Illinois |
Willard,D.A. Source plants for Carboniferous microspores Lycospora from permineralized Lepidostrobus |
1989 |
| details |
Early Pennsylvanian |
|
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| details |
Late Morrowan |
Early Atokan |
Illinois |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| 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 |