| details |
Devonian |
|
China(Kweichow) |
Kao,L. et al. Early and Middle Devonian spore assemblages from Tushan and Duyun of Kweichow and their stratigraphical significane. |
1975 |
| details |
Frasnian |
|
USSR(Russian Platform) |
Kao,L. et al. Early and Middle Devonian spore assemblages from Tushan and Duyun of Kweichow and their stratigraphical significane. |
1975 |
| original |
Early Tastubian |
Early Sterlitamakian |
South Africa |
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 |
| details |
Early Devonian |
Middle Devonian |
China(Kansu) |
Ye,X. On the occurrence of spore assemblages from the Shujiaba Region of Tianshui County, Gansu and their stratigraphical significance |
1986 |
| details |
Nd |
|
Nd |
MacRae,C.S. Palynostratigraphic correlation Bwteen the Lower Karoo sequence the Waterberg and Pafuri Coal-bearing Basins and the Hammanskra plant Macrofossil locality, Republic of South Africa |
1988 |