There are lexical parallels with Mapuche as well as Qawesqar
Trivero Ribera, Alberto 2005: 82 but the core is clearly unrelated.
Chono, an extinct isolate language of Southern Chile, is missing from E16/E17/E18/E19/E20/E21/E22/E23 ( Viegas Barros, Pedro J. 2005 , Bausani, Alessandro 1975 ) unless it is the language (unsuccessfully) intended by the Kakauhua [kbf]-entry. See also: Kakauhua [kbf].