| original |
Early Westphalian A |
|
England(Gloucestershire) |
Sullivan,H.J. Miospores from the Drybrook Sandstone and associated measures in the forest of Dean Basin, Gloucestershire. |
1964 |
| details |
Carboniferous |
|
United Kingdom |
Smith,A.H.V. Seam profiles and seam characters. (In: Coal and Coal-Bearing Strata. D.Murchison et al, editors) |
1968 |
| details |
Late Pennsylvanian |
|
USA(Appalachian Bn.) |
Gillespie,W.H. et al. Age of Dunkard Group, Appalachian Basin. |
1969 |
| details |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Westphalian C |
|
Texas |
Fienning,R.L. et al. Palynology of the Grindstone Creek Formation of the Millsap Lake Group, Lower Strawn, of North Central Texas. |
1976 |
| details |
Nd |
|
Nd |
Millay,M.A. Acaulangium, gen.nov., a fertile Marattialean from the Upper Pennsylvanian of Illinois. |
1977 |
| 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 |
Late Pennsylvanian |
|
West Virginia |
Eble,C.F. et al. Palynology and paleoecology of the Redstone Coal (Upper Pennsylvanian) in West Virginia. |
1985 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Nd |
|
Nd |
Peppers,R.A. Palynological correlation of major Pennsylvanian, (Middle and Upper Carboniferous), chronostratigraphic boundaries in Illinois and other Acoal Basins. |
1996 |