| details |
Late Neogene |
Pleistocene |
Ethiopia |
Bonnefille,R. Considerations upon the composition of a pollen microflora from the Plio-Pleistocene Formations of the Lower Omo River Valey, (Ethiopia) |
1972 |
| details |
Late Neogene |
Pleistocene |
Kenya |
Bonnefille,R. Implications of pollen assemblage from the Koobi Fora Formation, East Rudolf, Kenya. |
1976 |
| details |
Pliocene |
Pleistocene |
Ethiopia |
Bonnefille,R. Palynological evidence for an important change in the vegetation of the Omo Basin between 2.5 and 2 million years ago. (In: Earliest man and environments in the Lake Rudolf Basin: Stratigraphy Paleoecology and Evolution. Y.Coppens et al, editors) |
1976 |
| original |
Late Miocene |
|
Ethiopia |
Yemane,K. et al. Pollen and clay mineral assemblages of a Late Miocene lacustrine sequence. |
1987 |
| details |
Late Neogene |
|
Ethiopia |
Bonnefille,R. et al. Palynology, stratigraphy and paleoenvironment of a Pliocene Hominid Site, (2.9-3.3 M.Y.) at Hadar, Ethiopia. |
1987 |