Helicops yacu Rossman and Dixon, 1975

Type locality. Iquitos, department of Loreto, Peru .

Distribution. Restricted to northwestern South America in Brazil, and Peru (Plt. 289A). In Brazil, known from a single record in western Amazonia, near the border with Peru, in the Juruá drainage (Plt. 289A) at a low elevation (Plt. 289B). No detailed field data on habitat use for this species.