Reptiles

Super-class	Class	Sub-class	Super-order	Order	Sub-order	Family	Tribe	Sub-family
Gnathostomata	Reptilia	Anapsida		Chelonia	Pleurodira	Pelomedusidae Chelidae
		Anapsida		Chelonia	Cryptodira	Kinosternidae Staurotypidae Dermatomydae Chelyoridae Platysternidae Emydidae Testudidae Dermochelyidae Cheloniidae Carettochelyidae
		Diapsida	Lepidosauria	Rhynchocephalia		Sphenodontidae
				Squamata	Sauria (Lacertilia)	Gekkonidae Pygopodidae Xantusiidae Dibamidae Iguanidae Agamidae Chamaeleontidae Scincidae Cordylidae Lacertidae Teiidae Anguidae Xenosauridae Varanidae Helodermatidae Lanthonotidae
					Amphisbaenia	Amphisbaenidae Rhineuridae Trogonophidae Bipedidae
					Serpentes (Ophidia)	Leptotyphlopidae Typhlopidae Anomalepidae Acrochordidae Aniliidae Uropeltidae Xenopeltidae Colubridae
						Elapidae	Elapii	Elapinae Hydrophinae
						Viperidae		Viperinae Crotalinae
						Boidae		Boinae Pythoninae Calabariinae Loxoceminae Tropidophiinae Bolyeriinae
			Archosauria	Crocodylia		Crocodylidae Alligatoridae Gavialidae