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Argentina
2
Mass extinction
2
Neuquen Basin
South America
mass extinction
Animals
1
Biology
1
Chondrichthyes
1
Cretaceous
1
Cretaceous-Paleogene boundary
1
Cretaceous-Paleogene boundary sections
1
Cretaceous-Tertiary boundary
1
Cretaceous/Paleogene boundary
1
Ecology
1
Ecosystems
1
Geochronology
1
Geology
1
Macrofossil abundances
1
Paleogene
1
Patagonia
1
Productivity
1
Southern Hemisphere
1
Starvation-resistant
1
Stratigraphy
1
Synecological attributes
1
Tsunami
1
Western Hemisphere
1
World
1
fauna
1
macrobenthos
1
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1
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2