| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Lacertilia |
| Family: | Iguanaidae |
- Genus
- species – Common Name
- Abas
- (1 species) – Tree Lizard
- Amblyrhynchus
- (1 species) – Marine Iguana
- Anisolepis
- (2 species) – Tree Lizard
- Anolis
- (308 species) – Anole
- Aperopristis
- (1 species) – Peracca’s Iguana
- Aptycholaemus
- (1 species) – Longtail Iguana
- Basiliscus
- (4 species) – Basilisk
- Brachylophus
- (2 species) – Fiji Iguana
- Callisaurus
- (1 species) – Zebratail Lizard
- Ceiolaemus
- (1 species) – Spotted Lizard
- Chalarodon
- (1 species) – Madagascar Iguana
- Chamaeleolis
- (3 species) – Crested False Chameleon
- Chamaelinorops
- (1 species) – Mimic Chameleon
- Conolophus
- (2 species) – Galapagos Land Iguana
- Cophosaurus
- (1 species) – Earless Lizard
- Corytophanes
- (3 species) – Helmeted Iguana
- Crotaphytus
- (5 species) – Collared Lizard
- Ctenoblepharis
- (1 species) – Desert Iguana
- Ctenosaura
- (9 species) – Greater Spinytail Iguana
- Cyclura
- (8 species) – Rhinoceros Iguana
- Diplolaemus
- (3 species) – Patagonia Iguana
- Dipsosaurus
- (1 species) – Dwarf Iguana
- Enyalioides
- (7 species) – Dwarf Iguana
- Enyalius
- (6 species) – Fathead Anole
- Gambelia
- (2 species) – Leopard Lizard
- Holbrookia
- (4 species) – Earless Lizard
- Hoplocercus
- (1 species) – Weapontail
- Iguana
- (2 species) – Common Iguana
- Laemanctus
- (2 species) – Casquehead Iguana
- Leiocephalus
- (22 species) – Curlytail Lizard
- Leiosaurus
- (2 species) – Southern Anole
- Liolaemus
- (86 species) – Tree Iguana
- Microlophus
- (12 species) – Pacific Iguana
- Morunasaurus
- (2 species) – Lesser Spinytail Iguana
- Ophryoessoides
- (6 species) – Keeled Iguana
- Oplurus
- (6 species) – Madagascar Swift
- Petrosaurus
- (2 species) – Rock Lizard
- Phenacosaurus
- (5 species) – Andes Anole
- Phrynosaura
- (3 species) – Tree Iguana
- Phrynosoma
- (13 species) – Horned Lizard
- Phymaturus
- (4 species) – Mountain Lizard
- Plesiomicrolophus
- (1 species) – Frost’s Iguana
- Plica
- (2 species) – Racerunner
- Polychrus
- (5 species) – Bush Anole
- Pristidactylus
- (5 species) – Primitive Anole
- Proctotretus
- (3 species) – Shingled Iguana
- Sator
- (2 species) – Sator
- Sauromalus
- (7 species) – Chuckwalla
- Sceloporus
- (70 species) – Spiny Lizard
- Stenocercus
- (30 species) – Whorltail Iguana
- Tropidurus
- (18 species) – Lava Lizard
- Uma
- (3 species) – Fringe-toed Lizard
- Uracentron
- (2 species) – Thornytail Iguana
- Uranoscodon
- (1 species) – Mophead Iguana
- Urosaurus
- (10 species) – Tree Lizard
- Urostrophus
- (3 species) – Steppe Iguana
- Uta
- (7 species) – Side-blotched Iguana
- Vilcunia
- (1 species) – Forest Iguana
