| 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 |
|
USA(Appalachian Bn.) |
Eble,C.F. Paleoecology of Pennsylvanian Coal Beds in the Appalacian Basin. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Early Pennsylvanian |
|
West Virginia |
Dolph,G.E. The estimation of species richness in Pennsylvanian Coal Swamp communities. (In: Laboratory Exercises in Cell and Molecular Biology, Genetics, and Development. J.C.Glase, editor) |
1996 |
| details |
Westphalian |
|
China(Ningsia Hui) |
Wang,Y.-D. Westphalian sporo-pollen assemblages from the Upper Carboniferous in Zhongwei, Ningxia. |
1995 |
| details |
Desmoinesian |
|
Iowa |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |