| original |
Guadalupian |
|
Oklahoma |
Wilson,L.R. Permian plant microfossils from the Flowerpot Formation, Greer Country, Oklahoma. |
1962 |
| details |
Permian |
|
Oklahoma |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Guadalupian |
|
Oklahoma |
Morgan,B.E. Palynology of a portion of the El Reno Group (Permian) of Southwest Oklahoma. |
1967 |
| details |
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 |
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 |