| original |
Maastrichtian |
|
Colombia |
Sanroma,N.S. Spore-pollen study of the Guaduas Formation (Maestrichtian-Paleocene) in the Sabana de Bogota (Colombia). |
1970 |
| original |
Maastrichtian |
|
Colombia |
Sol© de Porta,N. Some new genera of pollen from the Guaduas Formation, (Maastrichtian - Paleocene), of Colombia. |
1971 |
| details |
Maastrichtian |
|
Colombia |
Potonie,R. Synopsis of the genera of the sporae dispersae.Part 7 |
1975 |
| details |
Maastrichtian |
|
Colombia |
Dueбas-Jimenez,H. Palynological associations from the Colon and Molino Formations of Northeastern Colombia. (In: Paleobotanica e Palinologia na America do Sul; 1987. M.E.E.B. Oliveira-Babinski et al, editors) |
1989 |
| details |
Maestrichtian |
Danian |
Venezuela |
Pocknall,D.T. et al. The palynofloral succession across the Cretaceous to Paleocene transition zone, Merida Andes, western Venezuela |
2001 |