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Procerosuchus is an extinct genus of rauisuchid rauisuchia n. Fossils have been collected from the Late Triassic Santa Maria Formation in Geopark of Paleorrota , Rio Grande do Sul , Brazil , which is Carnian in age .
 Rio Grande do Sul, Brazil
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Rio Grande do Sul, Brazil