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Argentina
La Rioja
La Rioja [Argentina]
2
Permian
2
South America
Vittatina
2
biostratigraphy
2
biozonation
2
palynology
2
Biostratigraphy
1
Brazil
1
Carboniferous
1
Carboniferous-Permian boundary
1
Cordaitales
1
Geochronology
1
Invertebrata
1
La Veteada Formation
1
Lueckisporites
1
Lunatisporites
1
Marsupipollenites
1
Paleopalynology
1
Pollen grains
1
Potonieisporites
1
Protohaploxypinus
1
Raistrickia
1
Upper Permian
1
Uruguay
1
Weylandites
1
age determination
1
fossil assemblage
1
-
1
-
2