Iguanidae
43 species.
- (Santa) Catalina Desert IguanaDipsosaurus catalinensis
- Andros Island IguanaCyclura cychlura
- Baja California Spiny- tailed IguanaCtenosaura hemilopha
- Baker's Spinytail IguanaCtenosaura bakeri
- Balsas Armed LizardCtenosaura clarki
- Black IguanaCtenosaura similis
- Black-chested Spiny-tailed IguanaCtenosaura melanosterna
- Campeche Spiny-tailed IguanaCachryx alfredschmidti
- Cape Spinytail IguanaCtenosaura macrolopha
- Central Fijian Banded IguanaBrachylophus bulabula
- Common ChuckwallaSauromalus ater
- Common Green IguanaIguana iguana
- Cuban IguanaCyclura nubila
- Desert IguanaDipsosaurus dorsalis
- Fiji Crested lguanaBrachylophus vitiensis
- Galapagos Land IguanaConolophus subcristatus
- Galápagos pink land iguanaConolophus marthae
- Gau Iguana (pronounced Ngau)Brachylophus gau
- Grand Cayman IguanaCyclura lewisi
- Jamaica IguanaCyclura collei
- Lau Banded IguanaBrachylophus fasciatus
- Marine IguanaAmblyrhynchus cristatus
- Mona Island IguanaCyclura stejnegeri
- Motagua Spiny-tailed IguanaCtenosaura palearis
- Nolasco Spiny-tailed IguanaCtenosaura nolascensis
- Northeastern Spinytail IguanaCtenosaura acanthura
- Oaxaca Spiny-tailed IguanaCtenosaura oaxacana
- Oaxacan Spinytail IguanaCtenosaura quinquecarinata
- Piebald ChuckwallaSauromalus varius
- Rhinoceros IguanaCyclura cornuta
- Roatan Spinytail IguanaCtenosaura oedirhina
- San Esteban Spinytail IguanaCtenosaura conspicuosa
- Santa Fe Land IguanaConolophus pallidus
- Slevin's ChuckwallaSauromalus slevini
- Spiny ChuckwallaSauromalus hispidus
- Spotted ChuckwallaSauromalus klauberi
- Stout IguanaCyclura pinguis
- Turks Island IguanaCyclura carinata
- West Indian IguanaIguana delicatissima
- Western Spiny-tailed IguanaCtenosaura pectinata
- White Cay Ground IguanaCyclura rileyi
- Yellow-backed Spiny-tailed IguanaCtenosaura flavidorsalis
- Yucatán Spinytail IguanaCachryx defensor