Paleontological Site of Agua Negra
Encyclopedia
Paleontological Site of Agua Negra is located in the Agua Negra in the city of São Martinho da Serra
São Martinho da Serra
-See also:*List of municipalities in Rio Grande do Sul...

, Rio Grande do Sul
Rio Grande do Sul
Rio Grande do Sul is the southernmost state in Brazil, and the state with the fifth highest Human Development Index in the country. In this state is located the southernmost city in the country, Chuí, on the border with Uruguay. In the region of Bento Gonçalves and Caxias do Sul, the largest wine...

, Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. The site is approximately 8 kilometers from the city of Santa Maria. Site belongs to the region paleorrota
Paleorrota
Paleorrota , is a geopark located in the center of the Brazilian state of Rio Grande do Sul. The rocks and fossils found along the route date back to the times when there was only one supercontinent Pangaea....

. Here was found Unaysaurus
Unaysaurus
Unaysaurus is a genus of sauropodomorph dinosaur, and is one of the oldest dinosaurs known. It was discovered in southern Brazil,in the geopark of paleorrota, in 1998, and announced in a press conference on Thursday, December 3, 2004...

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