| details |
Late Carboniferous |
|
England(Yorkshire) |
Halle,T.G. The structure of certain fossil spore-bearing organs believed to belong to the Pteridosperms. |
1933 |
| details |
Carboniferous |
|
England(Staffordshire) |
Moore,L.R. On the spores of some Carboniferous plants, their development. |
1946 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Nd |
|
England |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Nd |
|
England |
Potonie,R. Fossil sporae in situ. Comparison with the sporae dispersae. Addition to the synopsis of the sporae in situ. |
1965 |
| details |
Paleozoic |
|
Nd |
Brush,G.S. et al. The natural relationships of some Carboniferous microspores |
1965 |
| details |
Nd |
|
Nd |
Potonie,R. New phylogenetic facts on fossil spores. |
1967 |
| 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 |
Carboniferous |
|
England |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |