found: Work cat.: McGuire, J.A. Phylogenetic systematics of crotaphytid lizards (Reptilia:Iguania:Crotaphytidae), 1996:p. 2 (family Crotaphytidae: collared and leopard lizards; two genera: Crotaphytus and Gambelia; crotaphytid lizards)
found: Conant, R. A field guide to reptiles and amphibians : eastern and central North America, 1991:p. 95 (Collared and leopard lizards: family Crotaphytidae; leopard lizards (Gambelia); collared lizards (Crotaphytus))
found: Frost, D.R. A phylogenetic analysis and taxonomy of iguanian lizards (Reptilia:Squamata), 1989:p. 36 (Crotaphytidae; content: Crotaphytus, Gambelia)
found: Phone call to Calif. Acad. of Sci. Herpetology Dept., July 12, 1996(CAS recognizes all of the new families proposed in 1989 by Frost and Etheridge, except the merging of Agamidae into Chamaeleonidae)