| details |
Barremian |
Turonian |
Nd |
Hughes,N.F. The problems of data handling for early angiosperm-like pollen. (In: Systematic and Taxonomic Approaches in Paleobotany. R.A.Spicer and B.A.Thomas, editors) |
1986 |
| details |
Permian |
|
Gondwanaland |
Rigby,J.F. et al. Review of microsporangiate organs, possibly of Glossopteris, in the Permian Gondwana flora |
1988 |
| details |
Late Permian |
|
South Africa |
Zavada,M.S. The ultrastructure of pollen from Arberiella (Glossopteridales) |
1989 |
| details |
Nd |
|
Nd |
Vasanthy,G. et al. The evolution of angiospermid pollen characteristics: Conjectures and Queries. (In: Proceeding of the Symposium on the Vistas in Indian Palaeobotany. K.P.Jain and R.S.Tiwari, editors) |
1990 |
| details |
Nd |
|
Nd |
Owens,B. Paleozoic spores and pollen; Upper Carboniferous spores and pollen. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |
| details |
Permian |
|
Nd |
Playford,G. et al. Spores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |