| details |
Quaternary |
|
Sweden |
Fries,M. et al. Pre-Quaternary pollen grains and spores found in Late-Glacial and post-Glacial Clays in Bohuslan, southwest Sweden. |
1950 |
| details |
Quaternary |
|
Sweden |
Fries,M. et al. Pre-Quaternary pollen grains and spores found in Late-Glacial and post-Glacial Clays in Bohuslan, southwest Sweden. |
1950 |
| details |
Early Devonian |
Middle Devonian |
China(Yunnan) |
Hsм,J. Devonian spores from Yunnan, China. |
1950 |
| details |
Carboniferous |
|
Poland |
Gothan,W. On a new fern fructification (Waldenburgia corynepteroides, nov.gen.et sp.), of the Lower Silesian Carboniferous. |
1950 |
| details |
Cambrian |
|
India(Punjab) |
Ghosh,A.K. et al. Microfossils from the Cambrian strata of the Salt Range, Punjab. |
1950 |
| details |
Cambrian |
|
India(Punjab) |
Ghosh,A.K. et al. Microfossils from the Cambrian strata of the Salt Range, Punjab. |
1950 |
| details |
Cambrian |
|
India(Punjab) |
Ghosh,A.K. et al. Microfossils from the Cambrian strata of the Salt Range, Punjab. |
1950 |
| details |
Early Pennsylvanian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Early Pennsylvanian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Early Pennsylvanian |
|
Oklahoma |
Hoffmeister,W.S. Fossil spores and pollen as indicators of Near-Shore environment. |
1950 |
| details |
Late Devonian |
|
Pennsylvania |
Arnold,C.A. The spores of Archaeopteris, with remarks on the affinites of the genus. |
1950 |
| original |
Middle Pennsylvanian |
Late Pennsylvanian |
Illinois |
Andrews,H.N. et al. A new American species of Bowmanites. |
1951 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |