Jane H. Hill 2011 Golla, Victor 2011
Island Takic, an extinct arguably distinct Cupan Uto-Aztecan language, is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27 ( Pamela Munro 2002 , Golla, Victor 2011 ).