| original |
Guadalupian |
|
Oklahoma |
Wilson,L.R. Permian plant microfossils from the Flowerpot Formation, Greer Country, Oklahoma. |
1962 |
| details |
Guadalupian |
|
Oklahoma |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Wolfcampian |
|
Texas |
Tschudy,R.H. et al. Early Permian Vesiculate pollen from Texas, USA. |
1966 |
| details |
Wolfcampian |
|
Arizona |
Blazey,E.B. Fossil flora of the Mogollon Rim |
1971 |
| details |
Early Permian |
|
Oklahoma |
Morgan,B.E. Two new species of Hamiapollenites from the Wellington Formation of Oklahoma. |
1976 |
| details |
Early Wolfcampian |
Late Wolfcampian |
Texas |
Gupta,S. Miofloral succession and interpretation of the Base of the Permian system in the eastern Shelf of North Central Texas, USA. |
1977 |
| details |
Early Wolfcampian |
|
Texas |
Pashuck,R.J. et al. Palynological zones of the Wichita Group of North Central Texas and their correlation with the Gearyan Stage of Kansas and Dunkard Group of West Virginia. |
1979 |
| details |
Carnian |
Rhaetian |
Australia(Queensland) |
Stevens,J. Palynology of the Callide Basin, East-Central Queensland |
1981 |
| details |
Gearyan |
|
Kansas |
Barker,G.W. Pollen and spores from the Lower Permian, (Gearvan), of Kansas, USA. |
1987 |
| details |
Early Autunian |
|
Poland |
Jerzykiewicz,J. Latest Carboniferous (Stephanian) and Early Permian (Autunian) palynological assemblages from the Intrasudetic Basin, southwestern Poland. |
1987 |
| details |
Wolfcampian |
|
Kansas |
Barker,G.W. Pollen and spores from the Lower Permian (Gearyan) of Kansas, USA. |
1988 |
| details |
Nd |
|
Nd |
Poort,R.J. et al. Aspects of Permian palaeobotany and palynology XVII: Conifer extinction in Europe at the Permian-Triassic Junction: Morpholo ultrastructure and geographic/Stratigraphic distribution of Nuskoisporites dulhuntyi (Prepollen of Ortiseia, Walchiaceae) |
1997 |
| details |
Permian |
|
Bangladesh |
Akhtar,A. et al. Palynomorphs of Permian Gondwana coal from borehole GDH-38, Barapukuria Coal Basin, Bangladesh. |
1998 |