Family Iguanidae
This family regroups true Iguanas and related species.

Brachylophus bulabula – Fiji banded iguana
Ctenosaura bakeri – Utila spiny-tailed iguana
Ctenosaura clarki – Balsas spiny-tailed iguana
Ctenosaura conspicuosa – San Estéban spiny-tailed iguana
Ctenosaura quinquecarinata – Five-keeled spiny-tailed iguana
Cyclura cornuta – Rhinoceros iguana
Cyclura lewisi – Grand Cayman blue iguana
Cyclura nubila nubila – Cuban rock iguana
Cyclura pinguis – Anegada ground iguana
Iguana iguana rhinolopha – Common green iguana
Sauromalus varius – San Esteban chuckwalla

Family Corytophanidae
This family regroups all Helmeted lizards.

Basiliscus plumifrons – Green basilisk
Corytophanes cristatus – Smooth helmeted iguana

Family Crotaphytidae
This family regroups all American collared lizards.

Gambelia wislizenii – Long-nosed leopard lizard

Family Leiocephalidae
This family regroups Curlytail lizards and their relatives.

Leiocephalus personatus – Haitian curlytail lizard
Leiocephalus schreibersii – Red-sided curlytail lizard

Family Opluridae
This family regroups all Madagascar iguanas.

Oplurus cuvieri – Cuvier’s Madagascar swift
Oplurus cyclurus – Merrem’s Madagascar swift

Family Phrynosomatidae
This family regroups all American horned lizards and their relatives.

Phrynosoma cornutum – Texas horned lizard
Phrynosoma solare – Regal horned lizard

Family Tropiduridae
This family regroups all Neotropical ground lizards.