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Argyrosaurus ( ) is a genus of herbivorous titanosaur id dinosaur that lived about 90 million years ago , during the Late Cretaceous Period of what is now South America ( Argentina and Uruguay ) .
 South America, Argentina
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 South America, Argentina