| details |
Middle Pliocene |
|
Mexico(Veracruz) |
Graham,A. Paleofloristic and paleoclimatic changes in the Tertiary of northern Latin America |
1989 |
| details |
Late Eocene |
Recent |
Nd |
Muller,J. Palynological evidence on Early differentiation of angiosperms. |
1970 |
| details |
Middle Pliocene |
|
Panama |
Graham,A. Studies in neotropical paleobotany:X. The Pliocene communities of Panama: Composition, numerical representations and paleocommunity paleoenvironmental reconstructions |
1991 |
| details |
Early Miocene |
|
Panama |
Graham,A. Lower Miocene floras and biogeography of Central America |
1989 |