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any of 26 species of small, secretive New World lizards that live under rocks and decaying vegetation and in crevices and caves. Three genera are known. Xantusia (six species) occurs from southern California to the tip of the Baja California peninsula, with one species in Durango state, Mexico. The 19 species of Lepidophyma are primarily subtropical and tropical in distribution, living in a variety of habitats from eastern Mexico into Panama. The single species of Cricosaura (C. typica) occurs only in eastern Cuba.