| details |
Early Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
| details |
Stephanian |
|
Czechoslovakia |
KalibovЎ,M. A study of spores in the Kounov Seam of the Frantisek Pit in Lhota Pod Dzbanem in the Kladno-Rakovnik Basin. |
1962 |
| details |
Late Carboniferous |
|
Poland |
Gгrecka,T. Productive Carbon in Region of Lower Silesia. |
1974 |
| details |
Late Carboniferous |
|
China(N.China) |
Gao,L. et al. Spores and pollen. Carboniferous and Permian spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |