| details |
Pennsylvanian |
|
Kentucky |
Kosanke,R.M. Plant microfossils of the Hazard No.7 Coal, Perry County, Kentucky. |
1965 |
| details |
Early Stephanian |
|
France(Lorraine) |
Venkatachala,B.S. et al. Sporological study of the coals from Falkenberg (Faulquemont) Colliery, Lothringen (Lorrain) France. |
1964 |
| details |
Tithonian |
Aptian |
Australia(Queensland) |
de Jersey,N.J. et al. Palynology of samples from Union-Kern-A.O.G. Moonie Nos.1 and 3 wells. |
1964 |
| details |
Carboniferous |
|
France(Jura) |
Navale,G.K.B. Coal- A palyno-petrographic approach. |
1963 |
| details |
Namurian |
|
Romania |
Venkatachala,B.S. et al. Microfloristic studies on the Paleozoic of the Moesian Platform. On the presence of the Carboniferous formation in the foundation of the Calareti zone. |
1962 |
| details |
Chesterian |
|
Canada(Alberta) |
Halbertsma,H.L. Nomenclature of Upper Carboniferous and Permian strata in the subsurface of the Peace River area |
1957 |