Proctoporus xestus, or the river teiid, is a species of lizard in the family Gymnophthalmidae.

P. xestus occurs from central Peru to Bolivia (Chuquisaca, Cochabamba, and Santa Cruz departments) and northern Argentina (Jujuy, and Salta provinces).

[1][2] The preferred natural habitats of P. xestus are Yungas forest and wet montane grassland, at elevations of 1,000–3,600 m (3,300–11,800 ft) above sea level.

[1] P. xestus may attain a snout-to-vent length (SVL) of 5.8 cm (2.3 in).

[2] P. xestus is the type species of the genus Opipeuter Uzzell, 1969, now synonymized with Proctoporus.