| 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 |
Nd |
|
Nd |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 5. Supplement to all Groups (Turmae). |
1970 |
| details |
Eocene |
|
Colombia |
Muller,J. Reflections of fossil Palm pollen. |
1979 |
| details |
Late Cretaceous |
Eocene |
Nd |
Schluter,T. The eoevolutionary relationship between angiosperm pollen and insects in the Late Mesozoic. |
1987 |
| details |
Late Cretaceous |
Early Paleocene |
Texas |
M©dus,J. Spore and pollen from the Cretaceous/Tertiary boundary from the Brazos River Section, (Texas, USA). |
1992 |