Acrodonta (lizard)

Acrodonta
Temporal range: Early Cretaceous- present,
Common chameleon, Chamaeleo chamaeleon
Common Agama Agama agama
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Iguania
Clade: Chamaeleontiformes
Clade: Acrodonta
Cope, 1864
Subclades

Acrodonta are a subclade of iguanian squamates consisting almost entirely of Old World taxa. Extant representation include the families Chamaeleonidae (chameleons) and Agamidae (dragon lizards), with at least over 500 species described. A fossil genus, Gueragama, was found in Brazil, making it the only known American representative of the group.

The group is eponymously named from their acrodont dentition, whereby the teeth are consolidated with the summit of the alveolar ridge of the jaw without sockets. There are, however, other animals that have acrodont dentition such as tuataras.

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