| details |
Late Pennsylvanian |
|
Illinois |
Willard,D.A. et al. Paleobotany and palynology of the Bristol Hill Coal Member (Bond Formation) and Friendsville Coal Member (Mattoon Formation) of the Illinois Basin (Upper Pennsylvanian) |
1994 |
| details |
Early Stephanian |
|
Texas |
Gennett,J.A. et al. Palynology of the Upper Pennsylvanian Dalton Coal, Palo Pinto County, Texas, USA. |
1993 |
| details |
Middle Westphalian D |
|
Kentucky |
Hower,J.C. et al. Petrology and palynology of the No.5 Block Coal Bed, Northeastern Kentucky |
1994 |
| details |
Middle Westphalian D |
Late Westphalian D |
Canada(Nova Scotia) |
Marchioni,D. et al. Petrographical palynological and geochemical analysis of the Hub and Harbour Seams, Sydney Coalfield, Nova Scotia, Canada-Implications for facies development. |
1994 |
| details |
Pennsylvanian |
|
Oklahoma |
Urban,J.B. Palynology of the mineral Coal (Pennsylvanian) of Oklahoma and Kansas. |
1962 |