| details |
Early Miocene |
|
|
de Lima,M.R. et al. Description of microflora in a Lignite Layer of the Alexandra Formation, Tertiary of the Shale of Parana, Brazil. |
1990 |
| details |
Late Campanian |
|
|
Papк,O.H. et al. Palynological data from the Los Alamitos Formation, Montonilo locality Department of 25 De Mayo, Rio Negro, Argentina. Relationship with contemporary stratigraphic units from nearby areas. |
1995 |
| details |
Late Campanian |
|
|
Papк,O.H. et al. Palynological data from the Los Alamitos Formation, Montonilo locality, Dept. of 25 de Maayo, Rio Negro, Argentina. Relationsiiip with contemporary stratigrapiuc units from nearby areas. |
1995 |