| original |
Rotliegendes |
|
Germany(Leipzig) |
Remy,W. Contributions to the knowledge of the Lower Permian flora of Thuringen.Part 1. |
1953 |
| details |
Nd |
|
Nd |
Remy,W. The systematics of the Pteridosperms including consideration of their pollen. |
1953 |
| details |
Carboniferous |
|
Europe |
Remy,W. et al. Plant fossils |
1959 |
| details |
Stephanian C |
Kungurian |
Nd |
Staplin,F.L. et al. Relationships among Gymnospermous pollen. |
1967 |
| details |
Rotliegendes |
|
Nd |
Potonie,R. Main trends in the evolution of spores. |
1971 |
| details |
Early Permian |
|
Nd |
Millay,M.A. et al. Paleozoic seed fern pollen organs. |
1979 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |