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Range DescriptionEndemic to Brazil, the species inhabits the Amazon lowlands, between the Rios Xingu, Amazon and Tocantins-Araguaia (Hershkovitz 1985; Ferrari and Lopes 1996). The exact limits of its range are unknown. However, National Museum (Rio de Janeiro) archives include a record for the region of rio Tapirapé in north-east Mato Grosso, near the forest-savanna transition (J. Siiva Jr. pers. comm.). It is therefore possible that the species occurs in forested areas at the interface between the two biomes.