| original |
Late Desmoinesian |
|
Texas |
Gupta,S. Palynology of the Upper Strawn Series, (Upper Pennsylvanian), of Texas above the Fusulina Zone. |
1969 |
| details |
Desmoinesian |
Missourian |
Texas |
Gupta,S. Miospores from the Desmoinesian-Missourian boundary Formations of Texas and the age of the Salesville Formation |
1970 |
| details |
Early Kazanian |
|
USSR(Orenburg) |
Gayazova,A.L. Spore-pollen complexes from the Lower Kazanian deposits of the Orenburg District. |
1974 |
| details |
Late Desmoinesian |
|
Texas |
Gupta,S. Miofloral succession and interpretation of the Base of the Permian system in the eastern Shelf of North Central Texas, USA. |
1977 |