| details |
Autunian |
|
Spain |
Arche,A. et al. The Permian of the Iberian Chain and on the Borders of the Central system. |
1983 |
| details |
Autunian |
|
Spain |
SopeŠ±a,A. Stratigraphy of the Permian and Triassic of the North East of Guadalajara Province |
1979 |
| details |
Autunian |
|
France(Saone-et-Loire) |
Doubinger,J. Contribution to the palynological study of the Permo-Carboniferous of Autun. |
1968 |
| details |
Autunian |
|
France(Saone-et-Loire) |
Doubinger,J. A contribution to the palynological study of the Permo-Carboniferous of the Autunian. |
1968 |
| details |
Autunian |
|
Spain |
Ramos,A. et al. The Lower Permian of Rillo De Gallo (Guadalajara). |
1976 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Pennsylvania |
Gray,L.R. Palynology of the Middle Kittanning Coal in Ohio |
1966 |
| details |
Allegheny |
|
Ohio |
Gray,L.R. Palynology of four Allegheny Coals, northern Appalachian Coal Field. |
1967 |