| details |
Carboniferous |
|
West Virginia |
Clendening,J.A. et al. Characteristic small spores of the Pittsburgh Coal in West Virginia and Pennsylvania |
1963 |
| 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 |
Westphalian D |
|
France(Lorraine) |
Venkatachala,B.S. et al. Sporological study of the coals from Falkenberg (Faulquemont) Colliery, Lothringen (Lorrain) France. |
1964 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Westphalian B |
|
W.Germany(N.Rhine) |
Hagemann,H.W. Comparative micropetrographic and sporologic studies of the Zollverein 1-5 Seams from the Middle Essen Beds (Westfal B) of the Ruhrcarbons in reference to correlation of Seams. |
1966 |
| details |
Middle Pennsylvanian |
|
Kentucky |
Gray,L.R. et al. Palynology of the Schultztown Coal in Western Kentucky. |
1967 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Westphalian D |
|
Canada(Nova Scotia) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |
| details |
Pennsylvanian |
|
Oklahoma |
Branson,C.C. et al. Fossils in Mcintosh County. |
1967 |
| details |
Westphalian D |
|
United Kingdom |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Middle Pennsylvanian |
|
Kansas |
Schlanker,C.M. et al. The Herbaceous Carboniferous Lycopod, Selaginella fraiponti, comb.nov. |
1969 |
| details |
Late Westphalian B |
Westphalian C |
France(Paris Basin) |
Loboziak,S. The micro and megaspores of the western part of the Bassin Houiller of northern France, stratigraphic applicationsin the study of several boreholes. |
1969 |
| details |
Westphalian D |
|
England |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian D |
|
Canada |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |
| details |
Westphalian D |
|
Illinois |
Butterworth,M.A. Microfloras of the Upper Carboniferous. |
1969 |