| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Desmoinesian |
|
Missouri |
Jones,D.H. Palynology of the Bevier Coal of Missouri. |
1957 |
| details |
Early Pennsylvanian |
|
Illinois |
Kosanke,R.M. Correlation of Coals and spore analysis. |
1954 |
| details |
Late Carboniferous |
|
England(Staffordshire) |
Butterworth,M.A. et al. Microspore distribution in the Seams of the North Staffofdshire, Cannock Chase and North Wales Coalfields |
1954 |
| details |
Late Carboniferous |
|
Wales |
Butterworth,M.A. et al. Microspore distribution in the Seams of the North Staffofdshire, Cannock Chase and North Wales Coalfields |
1954 |
| 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 |
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 |
|
Illinois |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Late Pennsylvanian |
|
Kentucky |
Peppers,R.A. Palynology of the McLeansboro Group of Illinois and equivalent strata of Western Kentucky |
1961 |
| details |
Middle Desmoinesian |
|
Oklahoma |
Wilson,L.R. et al. Plant microfossils in the Cabaniss Coals of Oklahoma and Kansas |
1958 |
| details |
Middle Desmoinesian |
|
Kansas |
Wilson,L.R. et al. Plant microfossils in the Cabaniss Coals of Oklahoma and Kansas |
1958 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Wilson,L.R. et al. Thymospora, a new name for Verrucososporites |
1963 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Gray,L.R. et al. Palynology of the Schultztown Coal in Western Kentucky. |
1967 |
| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Kosanke,R.M. Pennsylvanian spores of Illinois and their use in correlation. |
1950 |
| details |
Missourian |
|
Oklahoma |
Miller,F.X. Spore analysis of the Dawson Coal |
1961 |