Varanidae Monitors
Species I've seen:
Varanus Monitors
Varanus gouldii
Sand Monitor
Varanus komodoensis
Komodo Dragon
Varanus mertensi
Merten’s Water Monitor
Varanus niloticus
Nile Monitor
Varanus rosenbergi
Heath Monitor
Varanus salvator
Asian Water Monitor
Varanus scalaris
Spotted Tree Monitor
Varanus tristis
Black-headed Monitor
Varanus varius
Lace Monitor