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The Crotaphytidae, or collared lizards, are a family of desert-dwelling reptiles native to the Southwestern United States and northern Mexico. They are very fast-moving animals, with long limbs and tails, and are carnivorous, feeding mainly on insects and smaller lizards. The two genera contain 12 species. ==Technical characters== * Femoral pores present * Interparietal scale small (distinctly smaller than ear opening) * Never have an enlarged midorsal scale row or fringe * Never have a divided rostral scale * No bony spines or projecting ridges on their heads * No scales projecting over their ears, and no scales forming a prominent fringe on sides of toes as in Phrynosomatidae 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Crotaphytidae」の詳細全文を読む スポンサード リンク
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