| details |
Early Permian |
|
Northern Hemisphere |
Bharadwaj,D.C. Sporological stratigraphy of the Permian Period. |
1966 |
| details |
Early Permian |
|
Arizona |
Canright,J.E. et al. A Lower Permian flora from Promontory Butte, Central Arizona. |
1974 |
| details |
Early Autunian |
|
Poland |
Jerzykiewicz,J. Miospores assemblages in the Latest Carboniferous and Early Permian of the intrasudetic Basin (southwest Poland). |
1984 |
| details |
Desmoinesian |
Leonardian |
North America |
Frederiksen,N.O. The Rise of the Mesophytic flora |
1972 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Asselian |
|
USSR(Urals) |
Chuvashov,B.I. et al. The Upper Paleozoic Basin of the Sinara Basin. (In: Support sections of the Carboniferous of the Urals. Symposium on the Problems of Stratigraphy. #26. G.N.Papulof and I.V.Pakhomov, editors) |
1979 |