| original |
Early Maastrichtian |
Late Paleocene |
Argentina(Santa Cruz) |
Freile,C. Palynologic study of the Cerro Dorotea Formation (Maestrichtian-Paleocene), of Santa Cruz Province.1. |
1972 |
| details |
Eocene |
|
Atlantic Ocean |
Zaklinskaya,E.D. Palynology of Paleogene Clay from DSDP Site 368, Cape Verde Rise. |
1978 |
| details |
Early Maastrichtian |
Late Paleocene |
Argentina(Santa Cruz) |
Ward,J.V. Early Cretaceous angiosperm pollen from the Cheyenne and Kiowa Formations, (Albian) of Kansas, USA. |
1986 |
| details |
Maastrichtian |
|
South America |
Riccardi,A.C. The Cretaceous System of southern South America. |
1988 |