| original |
Early Permian |
Middle Permian |
Congo |
Maheshwari,H.K. et al. Palaeozoic sporae dispersae from Congo. 8. The Kibamba River (Lukuga Coalfield area). |
1969 |
| details |
Artinskian |
|
Madagascar |
Rakotoarivelo,H.J. Palynostratigraphical comparison in the coal bearing basin of Sakoa-Sakamena, Madagascar. |
1970 |
| details |
Permian |
|
Congo |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| 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 |
Early Permian |
Middle Permian |
Congo |
Anderson,J.M. The biostratigraphy of the Permian and Triassic. Part 3. A review of Gondwana Permian palynology with particular reference to the northern Karoo Basin, South Africa. |
1977 |