Species Count: 323 Acrochordidae Agamidae Alligatoridae Anguidae Anniellidae Boidae Chamaeleonidae Cheloniidae Chelydridae Colubridae Corytophanidae Crocodylidae Crotaphytidae Dermochelyidae Elapidae Emydidae Eublepharidae Gekkonidae Helodermatidae Iguanidae Kinosternidae Lacertidae Leptotyphlopidae Phrynosomatidae Polychrotidae Rhineuridae Scincidae Teiidae Testudinidae Trionychidae Tropiduridae Typhlopidae Varanidae Viperidae Xantusiidae |