Chilina iguazuensis is endemic to Iguazú National Park, Misiones Province, Argentina.
They were displaced around 1,000 CE by the Guaraní, who brought new agricultural technologies, and were displaced in turn by the Spanish and Portuguese conquistadores in the 16th century, though their legacy is still alive in this area (the name of the park and the river is Guaraní y guasu, "large water").
Mesopotamia has some of the most popular tourist attractions in Argentina, mainly the Iguazú Falls, the Iguazú National Park and the Jesuit mission stations in Misiones.
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