Jupua, an extinct Tucanoan language, is missing from E16/E17/E18/E19/E20/E21/E22/E23/E24/E25/E26/E27 ( Hanke, Wanda 1964 , Theodor Koch-Grünberg 1912, 1913, 1914, 1914, 1915-1916, 1915-1916 , Tastevin, Constant 1996 , Alfred R. Wallace 1853 , Čestmír Loukotka 1963 , von Martius, Carl Friedrich Philip 1867 ).
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