| fossil_range = <br>[[Middle Triassic]] - [[Holosen]],<ref name=triassic_origin>{{Cite journal | doi = 10.1186/1471-2148-13-208| title = Integration of molecules and new fossils supports a Triassic origin for Lepidosauria (lizards, snakes, and tuatara)| journal = BMC Evolutionary Biology| volume = 13| pages = 208| year = 2013| last1 = Jones | first1 = M. E. | last2 = Anderson | first2 = C. | last3 = Hipsley | first3 = C. A. | last4 = Müller | first4 = J. | last5 = Evans | first5 = S. E. | last6 = Schoch | first6 = R. R. }}</ref> {{fossilrange|240|0}}