| details |
Early Cretaceous |
|
China(Kansu) |
Hsм,J. et al. Sporo-pollen assemblage and geological age of the Lower Xinminbu Formation of Chiuchuan, Kansu, (Gansu). |
1974 |
| details |
Late Triassic |
|
China(Shansi) |
Zhang,L.-J. Late Triassic spores and pollen from regions to the south and north of Qinling Range. (In: Papers for the 5th International Palynological Conference.) |
1980 |
| details |
Late Pennsylvanian |
|
Illinois |
Eggert,D.A. et al. Stewartiothece, gen.nov., and the nature and origin of complex permineralized Medullosan pollen organs. |
1979 |
| details |
Early Pennsylvanian |
|
Kentucky |
Good,C.W. et al. A new Stephanospermum from the Applachian Basin of North America. |
1982 |
| details |
Paleozoic |
|
Nd |
Taylor,T.N. Pollen and pollen organ evolution in early seed plants. |
1981 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Pennsylvanian |
|
USA |
Taylor,T.N. Ultrastructural studies of Paleozoic seed fern pollen |
1982 |
| details |
Late Carboniferous |
|
England(Staffordshire) |
Kurmann,M.H. et al. The ultrastructure of Boulaya fertilis (Medullosales) pollen. |
1984 |
| details |
Late Carboniferous |
|
England(Staffordshire) |
Kurmann,M.H. et al. The ultrastructure of Boulaya fertilis (Medullosales) pollen. |
1984 |
| details |
Late Triassic |
|
China(Szechwan) |
Zhang,L. Late Triassic spores and pollen from Central Sichuan. |
1984 |