| details |
Paleocene |
|
Colombia |
Hammen,T.Van Der et al. The Paleocene pollen flora of Columbia. |
1966 |
| details |
Late Paleocene |
Early 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 |
Paleocene |
|
Colombia |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Late Cretaceous |
Early Eocene |
Colombia |
de Porta,J. Stratigraphic Lexicon. Colombia:(Part Two). Tertiary and Quaternary. |
1974 |