| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| details |
Carboniferous |
|
Poland |
Zerndt,J. Megaspores from the Polish Coal Basin. first Part. |
1934 |
| original |
Pottsville |
|
Ohio |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
| original |
Late Carboniferous |
|
England(Yorkshire) |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
| original |
Westphalian |
|
Germany |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
| original |
Westphalian |
|
France |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
| details |
Late Cretaceous |
Tertiary |
Greenland |
Arnold,C.A. Microfossils from Greenland Coal. |
1932 |
| details |
Late Cretaceous |
|
Greenland |
Arnold,C.A. Microfossils from Greenland Coal. |
1932 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |
| original |
Stephanian |
|
Illinois |
McCabe,L.C. Some plant structures of coal. (In: Papers presented to the 24th Annual Meeting, Peoria Illinois) (D.E.Rose Ed.) |
1931 |