| details |
Kazanian |
|
|
Daemon,R.F. et al. Biostratigraphy of the Late Paleozoic of Parana Basin. |
1970 |
| details |
Nd |
|
Nd |
Coquel,R. Palynologic study of the coal series of the Valenciennes production unit of the North France Coal Basin. |
1974 |
| details |
Carboniferous |
|
Pennsylvania |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania |
1963 |
| details |
Carboniferous |
|
West Virginia |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania |
1963 |
| details |
Monongahela |
|
West Virginia |
Clendening,J.A. Characteristic small spores of the Redstone Coal in West Virginia. |
1965 |
| details |
Late Pennsylvanian |
Early Permian |
Virginia |
Clendening,J.A. Small spores applicable to stratigraphic correlation in the Dunkard Basin of West Virginia and Pennsylvania. |
1962 |
| details |
Late Pennsylvanian |
Early Permian |
Pennsylvania |
Clendening,J.A. Small spores applicable to stratigraphic correlation in the Dunkard Basin of West Virginia and Pennsylvania. |
1962 |
| details |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania. |
1964 |
| details |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania. |
1964 |
| details |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
| 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 |
Virgilian |
Gearyan |
Kansas |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
| details |
Desmoinesian |
|
Oklahoma |
Clarke,R.T. Palynology of the Secor Coal, (Pennsylvanian), of Oklahoma. |
1967 |
| details |
Pennsylvanian |
|
Oklahoma |
Clarke,R.T. Palynology of the Secor Coal (Pennsylvanian) of Oklahoma |
1961 |
| details |
Famennian |
|
USSR(Urals) |
Chibrikova,E.V. Plant microfossils of the Southern Urals and Preurals (From Silurian and Devonian deposits). |
1972 |
| details |
Permian |
|
China(Hupei) |
Chen,J. Permian spores and pollen |
1978 |