| cnemidophorus | (n) whiptails, Syn. genus Cnemidophorus |
| checkered whiptail | (n) markings are darker and more marked than in western whiptail; from southeastern Colorado to eastern Chihuahua, Syn. Cnemidophorus tesselatus |
| chihuahuan spotted whiptail | (n) having longitudinal stripes overlaid with light spots; upland lizard of United States southwest and Mexico, Syn. Cnemidophorus exsanguis |
| plateau striped whiptail | (n) having distinct longitudinal stripes: of Colorado Plateau from Arizona to western Colorado, Syn. Cnemidophorus velox |
| racerunner | (n) very swift lizard of eastern and central United States, Syn. Cnemidophorus sexlineatus, six-lined racerunner, race runner |
| western whiptail | (n) active lizard having a network of dusky dark markings; of semiarid areas from Oregon and Idaho to Baja California, Syn. Cnemidophorus tigris |