Karitiâna language

Karitiana, otherwise known as Caritiana or Yjxa, is a Tupian language spoken in the State of Rondônia, Brazil, by 210 out of 320 Karitiana people, or 400 according to Cláudio Karitiana, in the Karitiana reserve 95 kilometres south of Porto Velho. The language belongs to the Arikém language family from the Tupi stock. It is the only surviving language in the family after the other two members, Kabixiâna and Arikém, became extinct.