details |
Late Maastrichtian |
Paleocene |
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
details |
Early Paleocene |
|
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
details |
Maastrichtian |
Eocene |
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
original |
Paleocene |
|
Colombia |
Hammen,T.Van Der et al. The Paleocene pollen flora of Columbia. |
1966 |
details |
Late Paleocene |
|
Colombia |
Krutzsch,W. A new form pollen from the Tiliaceae, Bombacaceae and Sterculiaceae Families from the Middle European Lower Tertiary. |
1970 |
details |
Paleocene |
Early Eocene |
Colombia |
de Porta,J. Stratigraphic Lexicon. Colombia:(Part Two). Tertiary and Quaternary. |
1974 |