original |
Middle Aktastinian |
|
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 |
original |
Early Permian |
Late Wordian |
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 Permian |
|
South Africa |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |