| original |
Mississippian |
|
Tennessee |
Berry,W. Spores from the Pennington Coal, Rhea County, Tennessee. |
1937 |
| details |
Pennsylvanian |
|
Tennessee |
Schopf,J.M. et al. An annotated synopsis of Paleozoic fossil spores and the definition of generic groups. |
1944 |
| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| details |
Westphalian A |
Westphalian B |
France(Nord) |
Coquel,R. Palynologic study of the coal series of the Valenciennes production unit of the North France Coal Basin. |
1974 |
| details |
Early Westphalian A |
Late Westphalian B |
France(Meuse) |
Coquel,R. Palynological study of the Carboniferous series of the Unite de Production de Valenciennes, from the Coal Basin of northern France. |
1976 |