| original |
Westphalian D |
|
France(Lorraine) |
Venkatachala,B.S. et al. Sporological study of the coals from Falkenberg (Faulquemont) Colliery, Lothringen (Lorrain) France. |
1964 |
| details |
Missourian |
|
Texas |
Gupta,S. Miospores from the Desmoinesian-Missourian boundary Formations of Texas and the age of the Salesville Formation |
1970 |
| details |
Late Atokan |
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 |
| details |
Atokan |
|
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |
| details |
Middle Tournaisian |
|
China(Kiangsu) |
Chen,Y.-X. et al. A Complementary study on megaspores from Devonian - Carboniferous transition in Jurong, Jiangsu. |
1987 |
| details |
Late Famennian |
|
China(Kiangsu) |
Ouyang,S. et al. Miospores of the Famennian and Tournaisian deposit deposits from a borehole and the Baoying District, Central Jiangsu |
1987 |
| details |
Early Tournaisian |
|
China(Kiangsu) |
Ouyang,S. et al. Palynology of Devonian-Carboniferous transition sequences of Jiangsu, Eastern China. |
1989 |