original |
Conemaugh |
Monongahela |
Kentucky |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
original |
Conemaugh |
Monongahela |
Illinois |
Peppers,R.A. Spores in strata of Late Pennsylvanian cyclothems in the Illinois Basin. |
1964 |
original |
Stephanian |
|
Canada(New Brunswick) |
Barss,M.S. Carboniferous and Permian spores of Canada. |
1967 |
original |
Autunian |
|
France |
Doubinger,J. Palynological zones of the Autuno-Stephanian Period. (In: General Problems of the Carboniferous Stratigraphy) |
1978 |