Atractus snethlageae Cunha and Nascimento, 1983a
Type locality. Colônia Nova, 10 km near Gurupi River, on the BR-316 highway, currently within the Cachoeira do Piriá, state of Pará .
Distribution. Known from Bolivia, Brazil, Colombia, Ecuador, and Peru, in Amazonia, with an isolated record in Argentina (Plt. 180A). In Brazil, widespread in Amazonia (Plt. 180A), mostly at low elevations (Plt. 180B). Observed in the field in primary and secondary forest (Dixon and Soini, 1977, 1986, Martins and Oliveira, 1993; Cunha and Nascimento, 1983a).