| original |
Early Permian |
Triassic |
Australia(Queensland) |
Foster,C.B. Permian plant microfossils of the Blair Athol Coal Measures, Baralaba Coal Measures, and basal Rewan Formation of Queensland. |
1979 |
| details |
Autunian |
Roadian |
Spain |
Broutin,J. Paleobotanical and palynological studies of the Carboniferous-Permian boundary in the Continental Basins of the Southeastern Ossa-Morena zone (Guadalcanal area, Southern Spain). Paleogeographical and stratigraphic implications. |
1981 |
| details |
Asselian |
Kungurian |
USSR(Leningrad) |
Faddeeva,I.Z. Palynostratigraphy of Permian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |