Crotaphytidae
12 species.
- Baja Black-collared LizardCrotaphytus vestigium
- Collared LizardCrotaphytus collaris
- Cope's Leopard LizardGambelia copeii
- Desert Collared LizardCrotaphytus bicinctores
- Eastern Collared LizardCrotaphytus insularis
- Longnose Leopard LizardGambelia wislizenii
- Reticulate Collared LizardCrotaphytus reticulatus
- San Joaquin Leopard LizardGambelia sila
- Sierra los Cucapas Collared LizardCrotaphytus grismeri
- Sonoran Collared LizardCrotaphytus dickersonae
- Sonoran Collared LizardCrotaphytus nebrius
- Venerable Collared LizardCrotaphytus antiquus