| details |
Early Guadalupian |
|
Oklahoma |
Clapham,W.B. Permian miospores from the Flowerpot Formation of western Oklahoma |
1970 |
| details |
Early Guadalupian |
|
Oklahoma |
Clapham,W.B. Nature and paleogeography of Middle Permian floras of Oklahoma from their pollen record |
1970 |
| details |
Middle Permian |
|
Australia(Queensland) |
Foster,C.B. Permian plant microfossils of the Blair Athol Coal Measures, Baralaba Coal Measures, and basal Rewan Formation of Queensland. |
1979 |
| details |
Induan |
|
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |
| details |
Kungurian |
Kazanian |
Paraguay |
Muff,R. et al. Palynological investigations and biostratigraphic correlations Permian sedimentary rocks from eastern Paraguay |
1999 |