Arutani–Sape languages
Arutani–Sape, also known as Awake–Kaliana or Kalianan, is a proposed language family that includes two of the most poorly documented languages in South America, both of which are now moribund or extinct. They are at best only distantly related. Kaufman found a connection convincing, but Migliazza & Campbell maintained that there is no evidence for linking them. The two languages are,
Kaufman states that a further connection with Jukude is "promising".