| details |
Pennsylvanian |
|
Oklahoma |
Branson,C.C. et al. Fossils in Mcintosh County. |
1967 |
| details |
Desmoinesian |
|
Iowa |
Schemel,M.P. Small spores of the Mystic Coal of Iowa. |
1951 |
| details |
Santonian |
|
Canada(Alberta) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| details |
Early Cretaceous |
|
Canada(Ontario) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |
| details |
Visean |
|
USSR(Krasnoyarsk Kray) |
Peterson,L.N. et al. On the stratigraphy of Lower Carboniferous Depo Sits of the northern part of the Minusinsk Basin |
1983 |
| details |
Early Visean |
|
USSR(Krasnoyarsk Kray) |
Zorin,V.T. et al. Lower Carboniferous stratigraphy of the northern part of Minusinsk Trough (Nazarovskaya and North-Minusinsk Depressions) |
1989 |
| 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 |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |
| details |
Westphalian C |
|
Canada(Nova Scotia) |
Somers,G. A preliminary study of the spores from the Phalen Seam in the New Waterford District, Sydney Coal-Field, Nova Scotia. |
1952 |
| 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 |
Pennsylvanian |
|
Oklahoma |
Urban,L.L. Palynology of the Drywood and Bluejacket Coals (Pennsylvanian) of Oklahoma. |
1965 |
| details |
Desmoinesian |
|
Oklahoma |
Bordeau,K.V. Palynology of the Drywood Coal (Pennsylvanian) of Oklahoma. |
1964 |
| details |
Pennsylvanian |
|
Oklahoma |
Ruffin,J.H. Palynology of the Tebo Coal (Pennsylvanian) of Oklahoma |
1961 |
| details |
Pennsylvanian |
|
Oklahoma |
Clarke,R.T. Palynology of the Secor Coal (Pennsylvanian) of Oklahoma |
1961 |
| details |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Potonie,R. et al. The spore dispersae of the Rhur Carboniferous, their morphography and stratigraphy with reviews of species of other areas.Part 2 |
1956 |