| original |
Late Cretaceous |
|
Argentina(Chubut) |
Gamerro,J.C. Megaspores from the Cretaceous of Patagonia.3. Petrified megaspores from the "Chubutense," Chubut Province, Argentina. |
1977 |
| details |
Late Cretaceous |
|
Argentina(Patagonia) |
Gamerro,J.C. Cretaceous megaspores of Patagonia |
1977 |
| details |
Coniacian |
Maastrichtian |
South America |
Riccardi,A.C. The Cretaceous System of southern South America. |
1988 |
| details |
Cenomanian |
Turonian |
Worldwide |
Kovach,W.L. et al. Worldwide stratigraphic occurrences of Mesozoic and Tertiary megaspores. |
1989 |
| details |
Cenomanian |
Turonian |
Argentina(Chubut) |
Batten,D.J. et al. Catalog of Mesozoic and Tertiary megaspores |
1990 |