Anguidae
- Gerrhonotinae
- Anguinae
- Entomophontes
- Gaultia
- Headonhillia
- Helvetisaurus
- Paragerrhonotus
- Paraplacosauriops
- Ragesaurus
- Stenoplacosaurus
- Campbell's alligator lizard Abronia campbelli
An arboreal lizard from Guatemala. In a 2009 survey, animals were found in old oak trees covered with dense plant growth.
