Beaded lizard, Heloderma horridum "Just let me sleep!" by Chester Zoo via Flickr, Creative Commons Attribution-NoDerivs.	Gila monster, Heloderma suspectum "11F242 Gila Monster 001 at Taronga Zoo Sydney" by PG Palmer (AU) via Flickr, Creative Commons Attribution ShareAlike.
Spiny-tailed monitor, Varanus acanthurus "IMG_0920" by Mark Scott Johnson via Flickr, Creative Commons Attribution.	Savannah monitor, Varanus exanthematicus "Outside" by Clocker via Flickr, Creative Commons Attribution-NoDerivs.
Perentie monitor, Varanus giganteus "Perentie at Sydney Wildlife World head closeup" by Derrick Coetzee via Flickr, Creative Commons Attribution.	Komodo dragon, Varanus komodoensis Rubund Creative Commons Attribution ShareAlike.
Nile monitor, Varanus niloticus "Varanus niloticus" by Danny S. 1993 via Flickr, Creative Commons Attribution.	Emerald tree monitor, Varanus prasinus Rubund Creative Commons Attribution ShareAlike.
Water monitor, Varanus salvator "A Curious Water Monitor" by Nhussein via Flickr, Creative Commons Attribution ShareAlike.	Lace monitor, Varanus varius "Goanna/ Lace Monitor/ Lace Goanna - Whitsunday Islands" by Brewbooks via Flickr, Creative Commons Attribution ShareAlike.

Taxonomy:

Fam. Heloderma, Helodermatidae

Gen. Eurheloderma (Add)

Eurheloderma gallicum (Add)

Gen. Heloderma (Add)

Beaded lizard, Heloderma horridum

Gila monster, Heloderma suspectum

Gen. Paraderma (Add)

Paraderma bogerti (Add)

Fam. Varanidae

Gen. Cherminotus (Add)

Cherminotus longifrons (Add)

Gen. Chilingosaurus (Add)

Chilingosaurus chingshankouensis (Add)

Gen. Iberovaranus (Add)

Iberovaranus catalaunicus (Add)

Gen. Pachyvaranus (Add)
Gen. Palaeosaniwa (Add)

Palaeosaniwa canadensis (Add)

Gen. Saniwa (Add)

Saniwa agilis (Add)
Saniwa brooksi (Add)
Saniwa crassa (Add)
Saniwa edura (Add)
Saniwa ensidens (Add)
Saniwa feisti (Add)
Saniwa grandis (Add)
Saniwa osmaelensis (Add)
Saniwa paucidens (Add)

Gen. Saniwides (Add)

Borsuk-Bialynicka (Add)
Saniwides mongoliensis (Add)

Gen. Telmasaurus (Add)

Telmasaurus grangeri (Add)

Gen. Varanus (Add)

Spiny-tailed monitor, Varanus acanthurus

Varanus auffenbergi (Add)
Varanus baritji (Add)
Black tree monitor, Varanus beccarii (Add)
Sierra Madre Forest Monitor, Golden Spotted Monitor, Varanus bitatawa (Add)
Varanus boehmei (Add)
Varanus bogerti (Add)
Varanus brevicauda (Add)
Varanus bushi (Add)
Varanus caudolineatus (Add)
Varanus doreanus (Add)
Varanus eremius (Add)
Savannah monitor, Varanus exanthematicus

Varanus finschi (Add)
Varanus flavescens (Add)
Perentie monitor, Varanus giganteus

Varanus gilleni (Add)
Varanus glauerti (Add)
Varanus glebopalma (Add)
Varanus jobiensis (Add)
Varanus juxtindicus (Add)
Varanus keithhornei (Add)
Varanus kingorum (Add)
Komodo dragon, Varanus komodoensis

Varanus kordensis (Add)
Varanus lirungensis (Add)
Varanus mabitang (Add)
Varanus macraei (Add)
Varanus melinus (Add)
Varanus mertensi (Add)
Varanus mitchelli (Add)
Varanus nebulosus (Add)
Nile monitor, Varanus niloticus

Varanus olivaceus (Add)
Varanus ornatus (Add)
Varanus pilbarensis (Add)
Emerald tree monitor, Varanus prasinus

Varanus primordius (Add)
Varanus rosenbergi (Add)
Varanus rudicollis (Add)
Varanus salvadorii (Add)
Water monitor, Varanus salvator

Varanus scalaris (Add)
Varanus semiremex (Add)
Varanus similis (Add)
Varanus spenceri (Add)
Varanus spinulosus (Add)
Varanus telenesetes (Add)
Varanus timorensis (Add)
Lace monitor, Varanus varius

Varanus yuwonoi (Add)