pp. . (Urosaurus ornatus, pp. 535–536 + Plate 369). Conant R (1975). A Field Guide to Reptiles and Amphibians of Eastern and Central North America, Second Edition. Boston: Houghton Mifflin Company. xviii + 429 pp. + Plates 1-48. (Urosaurus ornatus, pp. 108–109 + Plate 16 + Map 61). Powell R, Conant R, Collins JT (2016). Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition. Boston and New York: Houghton Mifflin Harcourt. xiv + 494 pp. . (Urosaurus ornatus, pp. 299–300 + Plate 28). Smith HM, Brodie ED Jr (1982). Reptiles of North America: A Guide to Field Identification. New York: Golden Press. 240 pp. . (Urosaurus ornatus, pp. 112–113). Stebbins RC (2003). A Field Guide to Western Reptiles and Amphibians, Third Edition. The Peterson Field Guide Series ®. Boston and New York: Houghton Mifflin Company. xiii + 533 pp. . (Urosaurus ornatus, pp. 296–297 + Plate 32 + Map 96). Zim HS, Smith HM (1956). Reptiles and Amphibians: A Guide to Familiar American Species: A Golden Nature Guide. New York: Simon and Schuster. 160 pp. (Urosaurus ornatus, pp. 54, 155). External links Urosaurus Reptiles of Mexico Reptiles of the United States Fauna of the Southwestern United States Reptiles described in 1852 Taxa named by Spencer Fullerton Baird Taxa named by Charles Frédéric Girard