original |
Helvetian |
|
Hungary |
Simoncsics,P. Spore, pollen, and Bog types of the Miocene Brown Coal area of Nograd.1. |
1969 |
original |
Stephanian B |
Stephanian C |
USA |
Clendening,J.A. Sporological evidence on the geological age of the Dunkard strata in the Appalachian Basin. |
1970 |
original |
Tournaisian |
Visean |
Czechoslovakia |
KalibovЎ,M. Miospores of the Turma Triletes (Reinsch) Potonie and Kremp,1954, in Lower Carboniferous in eastern Bohemia. |
1971 |
original |
Late Pennsylvanian |
|
West Virginia |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
original |
Late Pennsylvanian |
|
Pennsylvania |
Clendening,J.A. Palynological evidence for a Pennsylvanian age assignment of the Dunkard Group in the Appalachian Basin. |
1974 |
original |
Asselian |
|
Switzerland |
Hochuli,P.A. Palynostratigraphic classification and correlation of Permo-Carboniferous of northern Switzerland |
1985 |