| details |
Early Gondwana |
|
Argentina(La Rioja) |
Spinner,E. Preliminary study of the megaspores from the Tupe Formation, Quebrada del Tupe, La Rioja, Argentina. |
1969 |
| details |
Westphalian A |
Stephanian C |
Brazil |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Westphalian A |
Stephanian C |
Congo |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Stephanian |
|
Argentina(Cordoba) |
Archangelsky,S. et al. Carboniferous paleobotany and palynology in Argentina |
1985 |
| details |
Carboniferous |
|
Central African Republic |
Pi©rart,P. The Carboniferous megaspores in Central Africa |
1987 |