| original |
Cretaceous |
|
Argentina(Santa Fe) |
Archangelsky,S. et al. Cretaceous stratigraphic palynology of Southern Argentina Ii. systematic descriptions |
1983 |
| details |
Late Valanginian |
Barremian |
|
Archangelsky,S. et al. Stratigraphic palynology of the Cretaceous in Southern Argentina. LII. distribution of species and conclusion |
1984 |
| details |
Early Aptian |
|
Antarctica |
Hathway,B. et al. 40Ar/39Ar geochronology and palynology of the Cerro Negro Formation, South Shetland Islands, Antarctica: A new radiometric tie for Cretaceous terrestrial biostratigraphy in the Southern Hemisphere. |
1999 |
| details |
Late Aptian |
Early Albian |
Argentina(Santa Cruz) |
Baldoni,A.M. et al. Palynology of the Lower Cretaceous Kachaike Formation, Santa Cruz Province, Argentina. |
2001 |