| Kingdom: | Animalia |
| Phylum: | Chordata |
| Subphylum: | Vertebrata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Lacertilia |
| Family: | Teiidae |
- Genus
- species – Common Name
- Alopoglossus
- (5 species) – Northern Teiid
- Amapasaurus
- (1 species) – Four-toed Amapasaurus
- Ameiva
- (32 species) – Ameiva
- Anadia
- (15 species) – Anadia
- Anotosaura
- (3 species) – Anotosaura
- Arthroseps
- (2 species) – Arthroseps
- Callopistes
- (2 species) – False Monitor
- Cercosaura
- (1 species) – Occellated Tegu
- Cnemidophorus
- (54 species) – Whiptail
- Colobodactylus
- (2 species) – Amaral’s Teiid
- Colobosaura
- (4 species) – Colobosaura
- Colobosauroides
- (1 species) – Cunha’s Teiid
- Crocodilurus
- (1 species) – Crocodile Tegu
- Dicrodon
- (3 species) – Desert Tegu
- Dracaena
- (2 species) – Caiman Lizard
- Echinosaura
- (1 species) – Rough Teiid
- Eopleopus
- (1 species) – Gaudichaud’s Eopleopus
- Euspondylus
- (8 species) – Sun Tegu
- Heterodactylus
- (2 species) – Ground Teiid
- Iphisa
- (1 species) – Iphisa
- Kentropyx
- (9 species) – Kentropyx
- Leptosoma
- (5 species) – Leptosoma
- Macropholidus
- (1 species) – Macropholidus
- Micreablepharus
- (2 species) – Tinyfoot Teiid
- Nothobachia
- (1 species) – Nothobachia
- Opipeuter
- (1 species) – River Teiid
- Pantodactylus
- (2 species) – Many-fingered Teiid
- Pholiodobolus
- (6 species) – Pholiodobolus
- Placosoma
- (3 species) – Brazilian Lizard
- Prionodactylus
- (5 species) – Slender Priondactylus
- Procellosaurinus
- (2 species) – Rodrigues’ Teiid
- Proctoporus
- (16 species) – Lightbulb Lizard
- Psilophthalmus
- (1 species) – Psilophthalmus
- Ptychglossus
- (12 species) – Largescale Lizard
- Riolama
- (1 species) – White-spotted Riolamas
- Stenolepis
- (1 species) – Pernambuco Teiid
- Teius
- (1 species) – Four-toed Tegu
- Teuchocercus
- (1 species) – Key Tegu
- Tupinambis
- (2 species) – Tegu
