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Patagonia
taxonomy
Argentina
38
South America
26
morphology
26
Cretaceous
24
fossil record
18
new species
14
anatomy
12
frog
12
geographical distribution
12
Anura
10
phylogeny
10
Jurassic
8
cladistics
8
skeletal remains
8
Chubut
6
Crocodyliformes
6
Eocene
6
Mammalia
6
Mesoeucrocodylia
6
Miocene
6
Paleogene
6
Santa Cruz [Argentina]
6
Taxonomy
6
Vertebrata
6
abundance
6
article
6
extinction
6
fossil
6
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