Atractus altagratiae Passos and Fernandes, 2008

Type locality. Upper Rio Cururu, Teles Pires drainage, Jacareacanga, state of Pará, Brazil .

Distribution. Endemic to Brazil (Plt. 153A). Known only from the type locality in south-central Amazonia (Plt. 153A) at low elevation (Plt. 153B). No detailed field data on habitat use are available for this species.