| details |
Westphalian |
|
Kentucky |
Phillips,T.L. Reproduction of Heterosporous Arborescent Lycopods in the Mississippian-Pennsylvanian of Euramerica. |
1979 |
| 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 |
Pennsylvanian |
|
Iowa |
Ravn,R.L. An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. |
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 |
Westphalian D |
|
England(Yorkshire) |
Scott,A.C. et al. Interaction and Coevolution of plants and Arthropods during the Palaeozoic and Mesozoic |
1992 |
| details |
Middle Desmoinesian |
|
Oklahoma |
Chadwick,A.V. Cappasporites: A Common Middle Pennsylvanian palynomorph. |
1983 |
| 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 |
Namurian B |
Westphalian A |
Iowa |
Ravn,R.L. et al. A Morrowan, (Upper Carboniferous), miospore flora from eastern Iowa, USA. |
1982 |
| details |
Nd |
|
Nd |
Ravn,R.L. et al. Proposed synonomy of Granansporites Alpern,1959 emend., and Cappasporites Urban, emend., Chadwick 1983, miospore genera from the Carboniferous of Europe and North America. |
1986 |
| details |
Late Westphalian B |
|
England(Northumberland) |
Ravn,R.L. et al. Proposed synonomy of Granansporites Alpern,1959 emend., and Cappasporites Urban, emend., Chadwick 1983, miospore genera from the Carboniferous of Europe and North America. |
1986 |
| details |
Westphalian A |
Westphalian B |
Iowa |
Ravn,R.L. et al. Proposed synonomy of Granansporites Alpern,1959 emend., and Cappasporites Urban, emend., Chadwick 1983, miospore genera from the Carboniferous of Europe and North America. |
1986 |
| details |
Westphalian D |
|
Illinois |
Ravn,R.L. et al. Proposed synonomy of Granansporites Alpern,1959 emend., and Cappasporites Urban, emend., Chadwick 1983, miospore genera from the Carboniferous of Europe and North America. |
1986 |
| details |
Desmoinesian |
|
Illinois |
de Wet,C.B. et al. Disrupted coal and carbonate facies within two Pennsylvanian cyclothems, southern Illinois basin, United States. |
1997 |