| original |
Allegheny |
|
Pennsylvania |
Habib,D. Distribution of spore and pollen assemblages in the Lower Kittanning Coal of Western Pennsylvania |
1966 |
| details |
Missourian |
|
Texas |
Gupta,S. Miospores from the Desmoinesian-Missourian boundary Formations of Texas and the age of the Salesville Formation |
1970 |
| details |
Dinantian |
|
Bolivia |
Davila,J. The absence of typical Gondwana sediments in Bolivia. |
1972 |
| details |
Stephanian |
|
Bolivia |
Davila,J. The absence of typical Gondwana sediments in Bolivia. |
1972 |
| details |
Late Desmoinesian |
Early Missourian |
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 |
Middle Pennsylvanian |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |