| original |
Late Oligocene |
Miocene |
Argentina(Chubut) |
Barreda,V.D. Palynomorph assemblage of the Chenque Formation, Late Oligocene Miocene from Golfo San Jorge Basin, Patagonia, Argentina. Part Polycolporate and Porate pollen |
1997 |
| original |
Late Oligocene |
Miocene |
Argentina(Santa Cruz) |
Barreda,V.D. Palynomorph assemblage of the Chenque Formation, Late Oligocene Miocene from Golfo San Jorge Basin, Patagonia, Argentina. Part Polycolporate and Porate pollen |
1997 |
| details |
Early Miocene |
|
Argentina(Santa Cruz) |
Barreda,V.D. et al. Continental and marine palynomorphs from the type area of the Monte Leon Formation, Santa Cruz Province, Argentina. |
2000 |
| details |
Late Oligocene |
Early Miocene |
|
Leanza,H.A. et al. Lacustrine black shales near to the Paleogene - Neogene boundary in north-western Neuqu©n Province: Palynological evidence. |
2002 |