zebra-tailed lizard
gridiron-tailed lizard
Callisaurus draconoides
Cnemidophorus sexlineatus
race runner
racerunner
six-lined racerunner
Dipsosaurus dorsalis
desert iguana
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
Colorado River toad
family Lanthanotidae
family Xenosauridae
Xenosauridae
Lanthanotidae
Cnemidophorus tigris
western whiptail
South American poison toad
night lizard
eastern fence lizard
Sceloporus undulatus
pine lizard
tree lizard
Urosaurus ornatus
Phrynosoma
genus Phrynosoma
saurology
monstersaurid
lacertid lizard
Holbrookia
lacertid
fence lizard
Chlamydosaurus
teiid lizard
teiid