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Argentina
10
Biostratigraphy
Neuquen Basin
Neuquén Basin
biostratigraphy
10
Ammonoidea
8
ammonite
8
Ammonites
6
Cretaceous
6
Lower Cretaceous
6
taxonomy
6
Hauterivian
4
South America
4
fauna
4
fossil assemblage
4
Acanthodiscus radiatus
2
Andes
2
Atacama
2
Barremian
2
Calcareous nannofossils
2
Chanarcillo
2
Chañarcillo Basin
2
Chile
2
Correlations
2
Heteromorpha
2
Holcodiscidae
2
Holcoptychites
2
Jeanthieuloyites
2
Jurassic-Cretaceous boundary
2
Lower Hauterivian
2
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