Crotaphytus

Crotaphytus is a genus of lizards, commonly known as collared lizards, in the family Crotaphytidae. Member species are small to medium-sized predators indigenous to the American southwest, Baja peninsula, and Mexico. Including the tail, they can be as small as or as long as , and are characterized by distinct bands of black or brown around the neck, to which their common names refer.

==Species== thumb|A collared lizard posing on a rock in Colorado The following species and subspecies are recognized as being valid. {| class="wikitable" |- ! Image !! Scientific name !! Common name !! Distribution |- |120px||Crotaphytus antiquus ||venerable collared lizard|| Sierra San Lorenzo, Sierra Texas, and Sierra Solis in extreme southwestern Coahuila state, Mexico |- |120px||Crotaphytus bicinctores ||Great Basin collared lizard or desert collared lizard || Western United States |- |120px||Crotaphytus collaris ||common collared lizard||Mexico and the south-central United States (Arizona, Arkansas, Colorado, Kansas, Missouri, New Mexico, Oklahoma, and Texas) |- | ||Crotaphytus dickersonae ||Sonoran collared lizard|| Mexico |- | ||Crotaphytus grismeri ||Grismer's collared lizard||Baja California, Mexico |- | ||Crotaphytus insularis ||eastern collared lizard|| Mexico |- |120px||Crotaphytus nebrius ||Sonoran collared lizard || U.S. state of Arizona and the Mexican state of Sonora |- |120px||Crotaphytus reticulatus ||reticulated collared lizard ||US state of Texas, Mexico (Coahuila, Nuevo León, and Tamaulipas) |- |120px||Crotaphytus vestigium ||Baja California collared lizard||California (United States) and Baja California (Mexico) |- |}