| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| details |
Atokan |
Early Missourian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Atokan |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Atokan |
|
Tennessee |
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 |
| details |
Desmoinesian |
|
Iowa |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Desmoinesian |
|
Oklahoma |
Bordeau,K.V. Palynology of the Drywood Coal (Pennsylvanian) of Oklahoma. |
1964 |
| original |
Desmoinesian |
|
Iowa |
Wilson,L.R. et al. Descriptions of some unassigned plant microfossils from the Des Moines Series of Iowa. |
1940 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. Elaterites Triferens from a Kansas Coal Ball |
1963 |
| details |
Desmoinesian |
|
Kansas |
Wilson,L.R. Elaterites Triferens from a Kansas Coal Ball |
1963 |
| details |
Desmoinesian |
|
Ohio |
Kosanke,R.M. et al. Late Pennsylvanian climate changes and palynomorph extinctions |
1996 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. Photographic Illustrations of fossil spore types from Iowa. |
1958 |
| details |
Desmoinesian |
|
Iowa |
Wilson,L.R. Type species of Cirratriradites Wilson and Coe,1940. |
1966 |
| details |
Early Desmoinesian |
|
Oklahoma |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Early Desmoinesian |
|
Ohio |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Early Pennsylvanian |
|
Ohio |
Kosanke,R.M. Palynology of selected Coal Beds in the proposed Pennsylvanian system stratotype in West Virginia |
1984 |
| details |
Late Morrowan |
Late Atokan |
Kentucky |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |