details |
Maastrichtian |
|
Colombia |
Hammen,T.Van Der et al. Description of some genera and species of fossil pollen and spores. |
1956 |
details |
Maastrichtian |
|
Nigeria |
Hoeken-Klinkenberg,P.M.Van A palynological investigation of some Upper Cretaceous sediments in Nigeria. |
1964 |
details |
Maastrichtian |
Paleocene |
Brazil(Amazonas) |
de Boer,N.P. et al. A palynological study on the age of some borehole samples from the Amazonas Delta area, northwest Brazil. |
1965 |
details |
Paleocene |
|
Colombia |
Hammen,T.Van Der et al. The Paleocene pollen flora of Columbia. |
1966 |
details |
Maastrichtian |
|
Colombia |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 4. Supplement to all Groups, (Turmae). |
1966 |
details |
Late Paleocene |
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 |
Early Miocene |
Colombia |
Dueбas-Jimenez,H. Study of the palynology of well Pozo Qe-22, Late Oligocene and Early Miocene, Planeta Rica, northern Columbia. |
1979 |
details |
Late Oligocene |
Early Miocene |
Colombia |
Dueбas-Jimenez,H. Palynology of Oligocene-Miocene strata of borehole Q-E-22, Planeta Rica, northern Colombia. |
1980 |
details |
Wealden |
|
Uruguay |
Mones,A. et al. A geo-paleontological synthesis of the Gondwana formations of Uruguay. |
1980 |
details |
Aptian |
Albian |
Uruguay |
Sprechmann,P. et al. Jurassic and Cretaceous Basins of Uruguay. (In: Sedimentary Basins of the Jurassic and Cretaceous of South America. W.Volkheimer and E.Musacchio, editors) |
1981 |
details |
Oligocene |
|
Colombia |
Dueбas-Jimenez,H. Fluctuations in the sea level during the deposition of Basal sediments of the Cienaga de Oro Formation |
1983 |
details |
Late Maastrichtian |
|
Nigeria |
Oloto,I.N. Maestrichtian dinoflagellate cyst assemblage from the Nkporo Shale on the Benin Flank of the Niger Delta |
1989 |