| details |
Oligocene |
Miocene |
Panama |
Graham,A. Studies in Neotropical paleobotany, preliminary analysis of fossil microfloras from Mexico, Panama, and Puerto Rico. (Bstract) |
1967 |
| details |
Middle Oligocene |
|
Caribbean |
Graham,A. et al. Studies in Neotropical paleobotany. 1. The Oligocene communities of Puerto Rico. |
1969 |
| details |
Miocene |
|
Panama |
Leopold,E.B. Late Cenozoic palynology. (In: Aspects of Palynology. R.H. Tschudy and R.A. Scott, editors) |
1969 |
| details |
Oligocene |
|
Caribbean |
Graham,A. Some aspects of Tertiary vegetational history about the Caribbean Basin |
1972 |
| details |
Miocene |
|
Mexico |
Graham,A. Some aspects of Tertiary vegetational history about the Caribbean Basin |
1972 |
| details |
Late Miocene |
|
Mexico(Veracruz) |
Graham,A. Late Cenozoic evolution of Tropical Lowland vegetation in Veracruz, Mexico. |
1976 |
| details |
Middle Pliocene |
|
Mexico(Veracruz) |
Graham,A. Paleofloristic and paleoclimatic changes in the Tertiary of northern Latin America |
1989 |
| details |
Priabonian |
|
Spain |
Gruas-Cavagnetto,C. et al. Preliminary palynological data on floristic and climatic changes during the Middle Eocene-Early Oligocene of the eastern Ebro Basin, Northeast Spain |
1996 |
| details |
Pliocene |
|
Mexico(Veracruz) |
Graham,A. Terrestrial Pliocene climates in northern Latin America |
1999 |