| original |
Late Carboniferous |
|
South Africa |
Hart,G.F. A probable Pre-Glossopteris Micro-Floral assemblage from Lower Karroo sediments |
1963 |
| details |
Carboniferous |
Permian |
South Africa |
Hart,G.F. The systematics and distribution of Permian miospores. |
1965 |
| details |
Stephanian |
Sakmarian |
South Africa |
Hart,G.F. Micropalaeontology of the Karroo deposits in South and Central Africa. |
1970 |
| details |
Late Stephanian |
Sakmarian |
South Africa |
Hart,G.F. Micropalaeontology of the Karroo deposits in South and Central Africa. |
1970 |
| details |
Early Permian |
|
South Africa |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |