| original |
Middle Eocene |
Oligocene |
Brazil |
Regali,M.S.P. et al. Palynology of Mesozoic-Cenozoic Sediments of Brazil (I and II). (Vol. 17(3), Pages: 177-191). (Vol.17(4), Pages: 263-301.) |
1974 |
| details |
Late Eocene |
|
Brazil(Maranhao) |
Regali,M.S.P. et al. Palynostratigraphy and paleoenvironment of the Barreirinhas Bas Maranhao, Brazil |
1985 |
| details |
Eocene |
Early Oligocene |
Bolivia |
Horton,B.K. et al. Paleogene synorogenic sedimentation in the Altiplano plateau and implications for initial mountain building in the central Andes. |
2001 |