<Li> Northern legless lizard Anniella pulchra </Li> <Li> San Diegan legless lizard Anniella stebbinsi </Li> <Dd> Family: Helodermatidae Gila monsters </Dd> <Dl> <Dd> <Dl> <Dd> <Dl> <Dd> Gila monster <Ul> <Li> Gila monster Heloderma suspectum NT </Li> </Ul> </Dd> </Dl> </Dd> </Dl> </Dd> <Dd> Family: Teiidae Tegus or whiptails <Dl> <Dd> <Dl> <Dd> <Ul> <Li> Giant ameiva Ameiva ameiva * </Li> <Li> Dusky giant ameiva Ameiva praesignis * </Li> <Li> Giant spotted whiptail Aspidoscelis (burti) stictogramma (A. burti: LC) </Li> <Li> Red - backed whiptail Aspidoscelis xanthonota (formerly in Aspidoscelis burti) </Li> <Li> Chihuahuan spotted whiptail Aspidoscelis exsanguis LC </Li> <Li> Gila spotted whiptail Aspidoscelis flagellicauda LC </Li> <Li> Common spotted whiptail Aspidoscelis gularis LC </Li> <Li> Orange - throated whiptail Aspidoscelis hyperythra LC </Li> <Li> Little striped whiptail Aspidoscelis inornata LC </Li> </Ul> <Dl> <Dd> <Ul> <Li> Arizona striped whiptail Aspidoscelis (inorata) arizonae NT (species not recognized by SSAR) </Li> <Li> Little white whiptail Aspidoscelis (inornata) gypsi VU (species not recognized by SSAR) </Li> <Li> Pai striped whiptail Aspidoscelis (inorata) pai LC (species not recognized by SSAR) </Li> </Ul> </Dd> </Dl> <Ul> <Li> Plateau striped whiptail Aspidoscelis velox LC (formerly in Aspidoscelis inornata) </Li> <Li> Laredo striped whiptail Aspidoscelis laredoensis LC </Li> <Li> Marbled whiptail Aspidoscelis marmorata </Li> <Li> Giant whiptail Aspidoscelis motaguae * LC </Li> <Li> Neaves' whiptail Aspidoscelis neavesi </Li> <Li> New Mexico whiptail Aspidoscelis neomexicana LC </Li> <Li> Common checkered whiptail Aspidoscelis tesselata LC (former Aspidoscelis grahamii) <Ul> <Li> Gray checkered whiptail Aspidoscelis dixoni NT (species not recognized by SSAR) </Li> </Ul> </Li> <Li> Colorado checkered whiptail Aspidoscelis neotesselata NT (former Aspidoscelis tesselata) </Li> <Li> Plateau spotted whiptail Aspidoscelis scalaris LC </Li> <Li> Six - lined racerunner Aspidoscelis sexlineata LC </Li> <Li> Sonoran spotted whiptail Aspidoscelis sonorae LC </Li> <Li> Tiger whiptail Aspidoscelis tigris LC </Li> <Li> Desert grassland whiptail Aspidoscelis uniparens LC </Li> <Li> Rainbow whiptail Cnemidophorus lemniscatus * </Li> <Li> Argentine giant tegu Salvator merianae * LC </Li> <Li> Gold tegu Tupinambis teguixin * </Li> </Ul> </Dd> </Dl> </Dd> </Dl> </Dd> <Dd> Family: Xantusiidae Night lizards <Dl> <Dd> <Dl> <Dd> Night lizards <Ul> <Li> Desert night lizard Xantusia vigilis LC </Li> <Li> Arizona night lizard Xantusia arizonae LC (formerly in Xantusia vigilis) </Li> <Li> Sierra night lizard Xantusia sierrae (formerly in Xantusia vigilis) </Li> <Li> Wiggins' night lizard Xantusia wigginsi (formerly in Xantusia vigilis) </Li> <Li> Bezy's night lizard Xantusia bezyi LC </Li> <Li> Sandstone night lizard Xantusia gracilis VU </Li> <Li> Granite night lizard Xantusia henshawi LC </Li> <Li> Island night lizard Xantusia riversiana LC T </Li> </Ul> </Dd> </Dl> </Dd> </Dl> </Dd> <Dd> Family: Varanidae Monitor lizards </Dd> </Dl>

Where do lizards live in the united states