| details |
Paleozoic |
|
Nd |
Taylor,T.N. Pollen and pollen organ evolution in early seed plants. |
1981 |
| details |
Early Pennsylvanian |
|
Kentucky |
Good,C.W. et al. A new Stephanospermum from the Applachian Basin of North America. |
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 |
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 |
| details |
Late Triassic |
|
China(Szechwan) |
Zhang,L. Late Triassic spores and pollen from Central Sichuan. |
1984 |
| details |
Late Triassic |
|
China(Szechwan) |
Zhang,L. Late Triassic spores and pollen from Central Sichuan. |
1984 |
| details |
Late Pliocene |
Early Pleistocene |
Alaska |
Nelson,R,E. et al. Pollen analysis of a Late Pliocene and Early Pleistocene section from the Gubik Formation of Arctic Alaska. |
1985 |