| original |
Late Oligocene |
Early Miocene |
Argentina(Chubut) |
Barreda,V.D. Muricingulisporis chenquensis, a new spore species of Pteridophyta from the Tertiary of Patagonia, Argentina. |
1992 |
| details |
Paleocene |
Eocene |
|
Barreda,V.D. Muricingulisporis chenquensis, a new spore species of Pteridophyta from the Tertiary of Patagonia, Argentina. |
1992 |
| details |
Late Oligocene |
Middle Miocene |
Argentina(Chubut) |
Barreda,V.D. Pollen and spores biostratigraphy of the Chenque Formation, Late Oligocene?-Miocene from Chubut and Santa Cruz Provinces, Patago Argentina |
1996 |
| details |
Late Oligocene |
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Argentina(Santa Cruz) |
Barreda,V.D. et al. Palynostratigraphy of Late Oligocene-Miocene deposits in the southern San Jose Gulf area, Santa Cruz Prozince. |
2000 |
| 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 |
Neogene |
|
Argentina(Jujuy) |
Mautino,L.R. et al. Palynomorphs from Jujuy, FormaciŠ³n Chiquimil, Provincs of Catamarca. |
2000 |
| details |
Late Oligocene |
Middle Miocene |
Argentina(Patagonia) |
Barreda,V.D. et al. Palynostratigraphical study of the Upper Oligocene - Miocene in sections of Patagonian shore and continental shelf of Argentina. |
2000 |