| details |
Late Morrowan |
Virgilian |
Illinois |
Phillips,T.L. et al. Stratigraphic and interregional changes in Pennsylvanian coal-swamp vegetation. Environmental inferences. |
1985 |
| details |
Desmoinesian |
|
USA(Midwest) |
Phillips,T.L. et al. Stratigraphic and interregional changes in Pennsylvanian coal-swamp vegetation. Environmental inferences. |
1985 |
| 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 |
Middle Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Palynology of selected Coal Beds in the proposed Pennsylvanian system stratotype in West Virginia |
1984 |
| details |
Late Desmoinesian |
|
Illinois |
Phillips,T.L. et al. Paleoecology of Middle Pennsylvanian age coal swamps in Southern Illinois/Herrin Coal Member at Sahara Mine No.6. |
1981 |
| details |
Middle Pennsylvanian |
|
Illinois |
Jennings,J.R. et al. Morphology of fertile Pecopteris Unita from the Middle Pennyslvanian of Illinois. |
1979 |
| details |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| details |
Late Stephanian |
Early Permian |
W.Germany(Bavaria) |
Helby,R.J. Spore research on the Carboniferous/ Permian boundary at Pfalzer Bergland. |
1966 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Gray,L.R. et al. Palynology of the Schultztown Coal in Western Kentucky. |
1967 |
| details |
Desmoinesian |
|
Illinois |
Peppers,R.A. Correlation and palynology of coals in the Carbondale and Spoon Formations (Pennsylvanian) of the northeastern part of the Illinois Basin. |
1970 |
| details |
Desmoinesian |
|
Oklahoma |
Meyers,W.C. Palynological correlation of the Henryetta Coal, Oklahoma. |
1967 |
| details |
Desmoinesian |
|
Oklahoma |
Clarke,R.T. Palynology of the Secor Coal, (Pennsylvanian), of Oklahoma. |
1967 |
| details |
Pennsylvanian |
|
West Virginia |
Kosanke,R.M. Pennsylvanian palynology of eastern Kentucky and adjacent states. |
1969 |
| details |
Pennsylvanian |
|
Kentucky |
Kosanke,R.M. Pennsylvanian palynology of eastern Kentucky and adjacent states. |
1969 |
| details |
Late Pennsylvanian |
Early Permian |
Pennsylvania |
Clendening,J.A. Small spores applicable to stratigraphic correlation in the Dunkard Basin of West Virginia and Pennsylvania. |
1962 |
| details |
Late Pennsylvanian |
Early Permian |
Virginia |
Clendening,J.A. Small spores applicable to stratigraphic correlation in the Dunkard Basin of West Virginia and Pennsylvania. |
1962 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |