original |
Late Permian |
Early Triassic |
Australia(NSW) |
Hennelly,J.P.F. Spores and pollensfrom Permian-Triassic transition, NSW. |
1959 |
original |
Late Givetian |
|
Greenland |
Allen,K.C. Devonian megaspores from East Greenland |
1972 |
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 |
Late Ladinian |
|
Italy |
Cros,P. et al. Palynological studies of the terrigenous and pelagic Middle Triassic Italian Dolomites; Relation to the paleoenvironment. |
1982 |