| original |
Middle Eocene |
|
Colombia |
Gonzalez-Guzman,A.E. A palynological study on the Upper Los Cuervos and Mirador Formations (Lower and Middle Eocene;Tibu area, Colombia) |
1967 |
| details |
Late Oligocene |
|
Brazil(Sao Paulo) |
de Lima,M.R. et al. Palynological study of the Lignitic Coal Beds of the Cacapava Formation, Taubate Basin, of the Tertiary of the State of Sao Paulo, Brazil. |
1985 |
| details |
Eocene |
|
Colombia |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Early Eocene |
Middle Eocene |
Colombia |
de Porta,J. Stratigraphic Lexicon. Colombia:(Part Two). Tertiary and Quaternary. |
1974 |