| details |
Early Desmoinesian |
|
Kentucky |
Eble,C.F. et al. Observations on the palynology, petrography and geochemistry of Western Kentucky Number 4 Coal Bed |
1999 |
| details |
Pennsylvanian |
|
Kansas |
Urban,J.B. Palynology of the mineral Coal (Pennsylvanian) of Oklahoma and Kansas. |
1962 |
| details |
Middle Pennsylvanian |
|
Kansas |
Bond,T.A. Palynology of the Weir-Pittsburg Coal (Pennsylvanian) of Oklahoma and Kansas. |
1963 |
| details |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| details |
Desmoinesian |
|
Iowa |
Schemel,M.P. Small spores of the Mystic Coal of Iowa. |
1951 |
| 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 |
Atokan |
Early Desmoinesian |
Illinois |
Peppers,R.A. Development of Coal-Forming floras during the Early Part of the Pennsylvanian in Theillinois Basin. |
1979 |
| details |
Middle Pennsylvanian |
|
Illinois |
Jennings,J.R. et al. Morphology of fertile Pecopteris Unita from the Middle Pennyslvanian of Illinois. |
1979 |
| 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 |
Late Morrowan |
Virgilian |
Illinois |
Phillips,T.L. et al. Stratigraphic and interregional changes in Pennsylvanian coal-swamp vegetation. Environmental inferences. |
1985 |
| details |
Pennsylvanian |
|
Illinois |
Peppers,R.A. et al. A comparison of the floras of the Colchester (No.2) Coal and Francis Creek Shale. (In: Depositional environments in parts of the Carbondale Formation: Western and northern Illinois) |
1970 |
| details |
Middle Pennsylvanian |
|
Illinois |
Mahaffy,J.F. Profile patterns of coal and peat palynology in the Herrin (No.6) Coal Member, Carbondale Formation, Middle Pennsylvanian of Southern Illinois. |
1985 |
| details |
Middle Pennsylvanian |
|
Illinois |
Mahaffy,J.F. Vegetational history of the Springfield Coal (Middle Pennsylvanian of Illinois) and distribution patterns of a Tree-Fern miospore, Thymospora pseudothiessenii, based on miospore profiles |
1988 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| 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 |
Middle Desmoinesian |
|
Illinois |
Pfefferkorn,H.W. et al. Some fern-like fructifications and their spores from the Mazon Creek compression flora of Illinois (Pennsylvanian). |
1971 |
| details |
Middle Pennsylvanian |
|
Illinois |
Brokaw,A.L. Spores from Coal No.5 (Springfield-Harrisburg) in Illinois. |
1942 |