Callisaurus draconoides
zebra-tailed lizard
gridiron-tailed lizard
six-lined racerunner
racerunner
race runner
Cnemidophorus sexlineatus
desert iguana
Dipsosaurus dorsalis
chuckwalla
Sauromalus obesus
beaded lizard
Heloderma horridum
Mexican beaded lizard
leopard lizard
Gila monster
Heloderma suspectum
side-blotched lizard
Uta stansburiana
sand lizard
eastern narrow-mouthed toad
Gastrophryne carolinensis
collared lizard
earless lizard
agama
family Lanthanotidae
Colorado River toad
family Xenosauridae
Xenosauridae
Lanthanotidae
western whiptail
Cnemidophorus tigris
South American poison toad
night lizard
eastern fence lizard
Sceloporus undulatus
pine lizard
genus Phrynosoma
tree lizard
Phrynosoma
Urosaurus ornatus
saurology
monstersaurid
teiid
fence lizard
Chlamydosaurus
lacertid
lacertid lizard
genus Holbrookia
Holbrookia