| details |
Nd |
|
Nd |
Remy,W. The systematics of the Pteridosperms including consideration of their pollen. |
1953 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Carboniferous |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Carboniferous |
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Europe |
Remy,W. et al. Plant fossils |
1959 |
| details |
Nd |
|
Nd |
Potonie,R. New phylogenetic facts on fossil spores. |
1967 |
| details |
Carboniferous |
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Nd |
Eggert,D.A. Scanning electron microscopy applied to study of spores and pollen from Carboniferous fructifications. |
1969 |
| details |
Nd |
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Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |