original |
Early Miocene |
|
Costa Rica |
Graham,A. Miocene communities and paleoenvironments of Southern Costa Rica |
1987 |
original |
Late Neogene |
|
Panama |
Graham,A. Studies in Neotropical paleobotany VII. The Pliocene communities of Panama: Introduction and ferns, gymnosperms, angiosperms (Monocote). |
1991 |
original |
Middle Pliocene |
|
Panama |
Graham,A. Studies in neotropical paleobotany:X. The Pliocene communities of Panama: Composition, numerical representations and paleocommunity paleoenvironmental reconstructions |
1991 |