| original |
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 |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
1979 |
| details |
Namurian B |
Westphalian C |
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 |
Namurian B |
Westphalian A |
Iowa |
Ravn,R.L. et al. A Morrowan, (Upper Carboniferous), miospore flora from eastern Iowa, USA. |
1982 |
| details |
Pennsylvanian |
|
Illinois |
Egner,B.E. Variability in and distribution of Trihyphaecites |
1984 |
| details |
Pennsylvanian |
|
Iowa |
Egner,B.E. Variability in and distribution of Trihyphaecites |
1984 |
| details |
Pennsylvanian |
|
Kansas |
Egner,B.E. Variability in and distribution of Trihyphaecites |
1984 |
| details |
Pennsylvanian |
|
Oklahoma |
Egner,B.E. Variability in and distribution of Trihyphaecites |
1984 |
| details |
Pennsylvanian |
|
Texas |
Egner,B.E. Variability in and distribution of Trihyphaecites |
1984 |
| details |
Morrowan |
Desmoinesian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Early Westphalian C |
|
Netherlands |
de Laar,J.G.M. Van et al. On-Shore Carboniferous palynology of the Netherlands |
1989 |
| details |
Early Westphalian C |
|
Netherlands |
de Laar,J.G.M. Van et al. Westphalian palynology of the Netherlands based on six continuously cored boreholes. |
1990 |
| 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 |
Early Atokan |
|
Tennessee |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |
| details |
Pennsylvanian |
|
Illinois |
Kalgutkar,R.M. et al. Synopsis of fossil fungal spores, mycella and fructifications. |
2000 |