Guinau, an extinct Inland Northern Maipuran Arawakan language ( Henri Ramirez 2001 ), is missing from E16/E17/E18/E19 ( Robert H. Schomburgk 1848 , Theodor Koch-Grünberg 1928 , von Martius, Carl Friedrich Philip 1867 ). - https://glottolog.org/resource/languoid/id/guin1258, 15.12.2018
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