| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Carboniferous |
Permian |
Nd |
Remy,W. Monosaccate pteridospermous pollen of the Carboniferous and Permian as well as general considerations of Paleozoic pollen with air sacs. |
1954 |
| details |
Carboniferous |
Permian |
South America |
Pi©rart,P. Stratigraphic and geographic distribution of Paleozoic megaspores. |
1962 |
| details |
Carboniferous |
Permian |
Africa |
Pi©rart,P. Stratigraphic and geographic distribution of Paleozoic megaspores. |
1962 |
| details |
Early Permian |
|
USSR(Kazakh SSR) |
Stukalova,N.I. Paleofloristic zonation of Central Kazakhstan in Early Permian time according to palynological evidence |
1971 |
| details |
Early Carboniferous |
|
USSR(Evenki Nat.Okrug) |
Gutova,L.N. et al. Upper Paleozoic spore-pollen complexes of the Southwestern Part of the Tunguska River Basin |
1971 |
| details |
Carboniferous |
|
Ethiopia |
Beauchamp,J. et al. On the presence of Paleozoic land in Ethiopia. |
1974 |