Iguanidae — Iguanas
Species I've seen:
Amblyrhynchus — Marine Iguanas
Conolophus — Galapagos Land Iguanas
Conolophus pallidus
Santa Fe Land Iguana
Conolophus subcristatus
Galápagos Land Iguana
Ctenosaura — Spiny-tailed Iguanas
Ctenosaura sp
unidentified species
Ctenosaura macrolopha
Sonoran Spiny-tailed Iguana
Ctenosaura similis
Black Spiny-tailed Iguana
Dipsosaurus — Desert Iguanas
Iguana — Iguanas
Iguana iguana
Green Iguana
Sauromalus — Chuckwallas
Sauromalus ater
Common Chuckwalla