| 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 |
| details |
Late Neogene |
Pleistocene |
Ethiopia |
Bonnefille,R. Evidence for a Cooler and Drier climate in the Ethiopian Uplands Towards 2.5 Myr Ago |
1983 |
| 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 |