| details |
Westphalian A |
Westphalian C |
United Kingdom |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Stephanian |
|
USA(Appalachian Bn.) |
Clendening,J.A. The base of the Permian in the Appalachians; ninety years of controversy. |
1969 |
| details |
Cretaceous |
|
Poland |
Turnau,E. Microflora and paleogeography of the Carboniferous Coal deposits in the Polish Carpathians. |
1970 |
| details |
Tertiary |
|
Poland |
Turnau,E. Microflora and paleogeography of the Carboniferous Coal deposits in the Polish Carpathians. |
1970 |
| original |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
| details |
Westphalian C |
|
USSR(Rostov) |
Egorov,A.I. et al. Spores and pollen of Middle Carboniferous deposits of the Don Basin. |
1971 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Stratigraphic placement of the Dunkard according to palynological assemblages. |
1972 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Stratigraphic placement of the Dunkard according to palynological assemblages. |
1972 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Westphalian B |
Westphalian C |
Netherlands |
Wijhe,D.H.Van et al. The Westphalian of the Netherlands with special reference to miospore assemblages. |
1974 |
| details |
Westphalian C |
|
Netherlands |
Wijhe,D.H.Van et al. The Westphalian of the Netherlands with special reference to miospore assemblages. |
1974 |
| details |
Pennsylvanian |
Early Permian |
Kansas |
Clendening,J.A. Palynological evidence for placement of the Pennsylvanian-Permian boundary in Kansas, USA. |
1975 |
| details |
Late Pennsylvanian |
|
Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. Part 1 |
1975 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. Part 1 |
1975 |
| details |
Late Pennsylvanian |
|
Ohio |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. Part 1 |
1975 |