Takunyapé (Tacunhape) is an extinct Tupi–Guaraní language of

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

. They once lived southeast of the Big Bend of the Xingu River. In 1659 they and their Yudja allies defeated the Portuguese and their Kuruaya allies. The last member of the tribe died in the early 1950s while living with the Yudja on the upper Xingu.
Povos Indigenas no Brasil:
(English version)

References

Tupi–Guarani languages Extinct languages of South America {{tupian-lang-stub Languages of Brazil