Varanidae is the family of monitor lizards. The family is a group of carnivorous lizards. It includes the largest living lizard, the Komodo dragon, and the crocodile monitor. Varanidae contains the living genus Varanus and some extinct groups. Their closest living relatives are the anguid and helodermatid lizards.
- Fry B.G. et al 2006. Early evolution of the venom system in lizards and snakes . Nature 439, 584–588.