Carapató_language
Dzubukuá language
Extinct Karirian language of Brazil
Dzubukuá (Dzubucua), or Kiriri, is an extinct Karirian language of Brazil. It is sometimes considered a dialect of a single Kariri language. A short grammatical description is available.
It was spoken on the São Francisco River islands, in the Cabrobó area of Pernambuco.[2]