| details |
Desmoinesian |
|
Illinois |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |
| details |
Carboniferous |
|
Poland |
Jachowicz,A. Flora of the Carboniferous:Microflora |
1972 |
| original |
Carboniferous |
|
Poland |
Zerndt,J. Triletes giganteus, n.sp., a very large megaspore from the Carboniferous. |
1930 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Zwickau and Lugau-Oelsnitz Carboniferous. |
1932 |
| original |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores as guide fossils of the productive Coal Measures. |
1931 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores of the Polish Coal Basin. Part 2. the Marginal Group. |
1937 |
| details |
Carboniferous |
|
Poland |
Ishchenko,A.M. et al. Megaspores of the Carboniferous age and their stratigraphic importance |
1962 |
| details |
Carboniferous |
|
Poland |
Schopf,J.M. Spores from the Herrin (No. 6) Coal Bed in Illinois. |
1938 |