Mojave fringe-toed lizard 
Mole skink 
Mole snake 
monilesaurus rouxii 
Monocled cobra 
Montagne des Français Leaf Chameleon 
Montpellier snake 
Moorish gecko 
Mophead Iguana 
Morelets Crocodile 
Morningside Lizard 
Moroccan rock lizard 
Moroccan Spiny-tailed Lizard 
Morondava Day Gecko 
Mossy leaf-tailed gecko 
Motagua Spiny-tailed Iguana 
Mottled Snake-eyed Skink 
Mount d'Ambre leaf chameleon 
Mountain Dragon 
Mountain Pit Viper 
Mountain Slug-eating Snake 
Mourning Gecko 
Mugger crocodile 
Mulga Snake