This lizard inhabits most of the southwestern half of Arizona, lowlands on the northwest, and well up into the Grand Canyon. There are some isolated populations north of the canyon. It also extends into the extreme southwestern part of New Mexico.
Late Wisconsin: Desert Almond (Van Devender et al. 1977a); Picacho Peak (Van Devender et al. 1991).
Literature. Van Devender et al. 1977a; Van Devender et al. 1991.
Last Update: 4 Mar 2013