Information from: “The classification of South American indigenous languages” (59-166 ch. The classification of South American indigenous languages) . Campbell, Lyle (2012) , Lyle Campbell and Verónica Grondona · Mouton de Gruyter
5 known speakers in 1975; likely Dormant.
Information from: “South America” (103-196) . Mily Crevels (2007) , C. Moseley · London & New York: Routledge
Bolivia, Department of La Paz, Province of Bautista Saavedra
Information from: “LL-MAP (Language and Location: A Map Accessibility Project)” . Anthony Aristar and Helen Aristar-Dry and Yichun Xie (2012)
Information from: “Apolista (Lapachu) as a Maipuran Arawakan language.” (239-250) . Payne, David L. (2005)
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The last information collected on the language was a list of 45 words collected in 1972 (cited by Payne 2005).