| details |
Oligocene |
|
Caribbean |
Graham,A. Some aspects of Tertiary vegetational history about the Caribbean Basin |
1972 |
| details |
Oligocene |
|
Caribbean(Puerto Rico) |
Graham,A. Contribution toward a Tertiary palynostratigraphy for Jamaica; The status of Tertiary paleobotanical studies in northern Latin America and preliminary analysis of the Guys Hill Member (Chapelton Formation, Middle Eocene) of Jamaica. (In: Biostratigraphy of Jamaica. R.M. Wright and E. Robinson, editors) |
1993 |
| details |
Middle Quaternary |
Late Quaternary |
Colombia |
Hammen,T.Van Der et al. The Pliocene and Quaternary of the Sabana de Bogota, (the Tilata and Sabana Formations). |
1966 |
| details |
Middle Oligocene |
|
Caribbean |
Graham,A. et al. Studies in Neotropical paleobotany. 1. The Oligocene communities of Puerto Rico. |
1969 |
| details |
Late Quaternary |
|
Colombia |
Hammen,T.Van Der et al. The Pliocene and Quaternary of the Sabana de Bogota, (the Tilata and Sabana Formations). |
1966 |
| details |
Late Neogene |
|
Colombia |
Sol© de Porta,N. Palynologic observations on the Pliocene of Cartagena (Columbia). |
1960 |