| details |
Nd |
|
Nd |
Pi©rart,P. The evolution of the megaspores. |
1961 |
| original |
Stephanian |
Early Permian |
China(Liaoning) |
Pi©rart,P. Megaspores of the Kaiping Coal (China) |
1961 |
| details |
Permian |
|
China |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
| details |
Late Westphalian B |
Stephanian C |
China |
Braman,D.R. et al. The stratigraphic and geographic distribution of Carboniferous megaspores. |
1980 |
| details |
Late Permian |
|
China |
Yang,J. et al. Recent advances of megaspores studies in China. |
1987 |