Testudinidae - Tortoises, Land Turtles | Emydidae - Pond Turtles, Terrapins | Chelydridae - Snapping Turtles | Trionychidae - Soft-shell Turtles | Geoemydidae Turtles | Chelidae - Snake-necked Turtles | Podocnemididae - Side-necked turtles | Chamaeleonidae - Chameleons | Gekkonidae - Geckos | Agamidae - Agamids | Corytophanidae - Casque head lizards or Helmeted lizards | Iguanidae - Iguanas | Dactyloidae - Anoles | Phrynosomatidae Lizards | Tropiduridae - Neotropical Ground Lizards | Teiidae - Whiptails | Lacertidae - True lizards | Scincidae - Skinks | Anguidae | Cordylidae - Spinytail lizards, Girdle-tailed lizards | Varanidae - Monitor Lizards | Viperidae - Vipers | Colubridae - Colubrids | Crocodylidae - Crocodiles | Alligatoridae - Alligators | Dendrobatidae - Poison dart frogs | Hylidae - Treefrogs and their allies | Bombinatoridae - Fire Belly toads | Bufonidae - True toads | Ranidae - True Frogs | Salamandrida - True Salamanders and Newts