| details |
Carboniferous |
|
USSR(Ukrainian SSR) |
Elianov,M.L. et al. Spore findings in the Primary Kaolin of the western part of the Ukrainian Shield. |
1970 |
| details |
Carboniferous |
|
China(Hainan Island) |
Lu,G. et al. The discovery and geological significance of the Carboniferous spores in the Lanyang area, Hainan Island |
1993 |
| details |
Bashkirian |
Moscovian |
China(Sinkiang Uighur) |
Zhou,Y.-X. Earliest pollen-dominated microfloras from the Early Late Carboniferous of the Tian Shan Mountains, northwest China: Their significance for the origin of conifers and palaeophytogeography. |
1994 |