| original |
Artinskian |
|
Madagascar |
Rakotoarivelo,H.J. Palynostratigraphical comparison in the coal bearing basin of Sakoa-Sakamena, Madagascar. |
1970 |
| details |
Artinskian |
|
Australia(Queensland) |
Foster,C.B. Permian plant plant microfossils from the Blair Athol Coal Measures, Central Queensland, Australia. |
1975 |
| details |
Artinskian |
|
Australia(Queensland) |
Foster,C.B. Permian plant plant microfossils from the Blair Athol Coal Measures, Central Queensland, Australia. |
1975 |
| details |
Arnsbergian |
Yeadonian |
China(Kansu) |
Zhu,H. A revised palynological Sub-Division of the Namurian of Jingyuan, Northwest China |
1993 |
| details |
Aptian |
|
Egypt |
Mahmoud,M.S. et al. Importance of Mid-Cretaceous key miospores for the age-dating of the non-marine Six Hills Formation, West of the Abu Tartur Plateau, New Valley, Egypt. |
1994 |
| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| original |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |