| details |
Late Carboniferous |
Permian |
Zambia |
Utting,J. Pollen and spore assemblages in the Luwumbu Coal Formation (Lower Karroo) of the North Luangwa Valley, Zambia, and their biostratigraphic significance. |
1976 |
| details |
Permian |
|
Zambia |
Utting,J. Lower Karroo pollen and spore assemblages from the Coal Measures and underlying sediments of the Siankondobo Coalfield, Mid-Ambezi Valley, Zambia. |
1978 |
| details |
Kazanian |
|
Uruguay |
Men©ndez,C.A. Permian microfloras of Argentina and the relation with other Gondwanic microfloras. |
1979 |