Order - Squamata
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Parvphylum: Osteichthyes
Megaclass: Tetrapoda
Class: Reptilia
Order: Squamata
Name derivation: “having scales”
- Superfamily: Dibamia (blind skinks)
- Superfamily: Gekkota (geckos, snake-lizards)
- Superfamily: Scincomorpha (skinks, girdled, plated and night lizards)
- Superfamily: Lacertoidea (wall lizards, whiptails, tegus)
Clade: Toxifera
Suborder: Anguimorpha
- Superfamily: Platynota (monitor lizards, gila monster)
- Superfamily: Diploglossa (galliwasps, glass lizards, worm lizards, etc.)
- Superfamily: Shinisauroidea (Chinese crocodile lizard)
Suborder: Iguania
- Clade: Acrodonta (chameleons, agamid lizards, etc.)
- Clade: Plerodonta (iguanas, anoles, dragon lizards, etc.)
Suborder: Serpentes
- Superfamily: Acrochordoidea (file snakes)
- Superfamily: Booidea (boas)
- Superfamily: Colubroidea (typical snakes)
- Superfamily: Elapoidea (cobras, coral snakes, sea snakes)
- Superfamily: Pythonoidea (pythons)
- Superfamily: Typhlopoidea (blind snakes)
- Superfamily: Uropeltoidea (pipe snakes, shield-tailed snakes)
- Superfamily: Not assigned (vipers, pipe snakes, dwarf boas, etc.)
Number of Families: 73
Number of Genus: 1,154
Number of known Species: 11,769
Earliest Fossil Record: Middle Triassic 240 mya
Habitat: Terrestrial, Marine, Freshwater
Size Range: 16 mm to 10 m
Notes: Phylogeny is debatable, structure based on Reptile Database and numbers based on Catalogue of Life as of July 2024