Gold Dust Day Gecko 
Gold tegu 
Gold-Ringed Cat Snake 
Gold-spotted Mabuya 
Golden Grass Mabuya 
Golden lancehead 
Golden-crowned snake 
Golden-spotted tree monitor 
Goldenscale Anole 
Graceful chameleon 
Graceful Madagascar Ground Gecko 
Graham's Crayfish Snake 
Gran Canaria giant lizard 
Grandidier's Dwarf Gecko 
Grandidier's Madagascar ground gecko 
Grandidier's Madagascar Swift 
Grandidier's Velvet Gecko 
Grass snake 
Gray ratsnake 
Great Angle-headed Dragon 
Great Basin fence lizard 
Great Basin gopher snake 
Great Basin Rattlesnake 
Great Lakes bush viper