| Metazoa - Deuterostomia - Vertebrata |
| Squamata |
| Gekkota |
|
| Gekkonidae |
| Scincoidea | + | Episquamata |
|
|
|
| Scincidae |
| Episquamata |
| Lacertoidea | Toxicofera |
|
|
| Lacertidae |
| Toxicofera |
| Iguania | ||
|
|
|
| Agamidae | Chamaeleonidae | Phrynosomatidae |
| Serpentes | ||
|
|
|
| Colubridae | Elapidae | Pythonidae |