| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Paleozoic |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Early Triassic |
|
USSR(Pre-Urals) |
Malyavkina,V.S. Significance of spore and pollen analysis for the stratigraphy of Triassic rock Masses on the Russian Platform, in Preuras and Western Siberia. |
1960 |
| details |
Early Triassic |
|
USSR(Siberia) |
Malyavkina,V.S. Significance of spore and pollen analysis for the stratigraphy of Triassic rock Masses on the Russian Platform, in Preuras and Western Siberia. |
1960 |
| details |
Pennsylvanian |
|
North America |
Brush,G.S. et al. Identification and structure of Cordaitean pollen. |
1962 |
| details |
Carboniferous |
|
Nd |
Bharadwaj,D.C. et al. Suggestions for a morphological classification of sporae dispersae. |
1968 |
| details |
Middle Pennsylvanian |
|
Illinois |
Millay,M.A. On the morphology of Florinites pollen. |
1970 |
| details |
Middle Pennsylvanian |
|
Kansas |
Millay,M.A. The morphology of Cordaitean pollen. |
1971 |
| details |
Middle Pennsylvanian |
|
Iowa |
Millay,M.A. The morphology of Cordaitean pollen. |
1971 |
| details |
Nd |
|
Nd |
Jonker,F.P. The taxonomic of the Cordaitales. |
1978 |
| details |
Pennsylvanian |
Permian |
Kentucky |
Stockey,R.A. Some comments on the origin and evolution of Conifers. |
1981 |
| details |
Nd |
|
Nd |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |