| details |
Early Devonian |
|
Nd |
Chaloner,W.G. et al. Palaeobotany and phytochemical phylogeny. (In: Phytochemical Phylogeny. J.B. Harborne, editor) |
1970 |
| details |
Dittonian |
|
Scotland |
Holland,C.H. et al. Stuftgart the British Isles the Silurian-Devonian boundary |
1977 |
| details |
Late Eocene |
|
Cameroon |
Crepet,W.L. Advanced (constant) insect pollination mechanisms. Pattern of evolution and implications vis-a-vis angiosperm diversity. |
1984 |
| details |
Late Eocene |
Pleistocene |
Nd |
Muller,J. Significance of fossil pollen for angiosperm history. (In: Historical Perspectives of Angiosperm Evolution.) |
1984 |
| details |
Nd |
|
Nd |
Taylor,T.N. et al. In situ, pollen and spores in plant evolution. 14C -Importance of in situ, pollen and spores in understanding the biology and evolution of fossil plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |