Parent taxon: Squamata according to J. L. Conrad and M. A. Norell 2006
Sister taxa: Ameivoidea, Amphisbaenia, Anguimorpha, Anhuisaurus, Anomalopsis, Anqingosaurus, Araeoscelomorphi, Ardeosaurus, Asagaolacerta, Bavarisaurus, Changjiangosaurus, Cryptovaranoides, Cuencasaurus, Dibamidae, Draconoidea, Eichstaettisaurus, Episquamata, Hakuseps, Haplodontosaurus, Harpagosaurus excedens, Hongshanxi, Hoyalacerta, Huehuecuetzpalli, Iguana haueri, Iguanomorpha, Jucaraseps, Kuroyuriella, Lacertibaenia, Lacertilia, Liushusaurus, Macrocnemidae, Megachirella, Moqisaurus, Mosasauridae, Mosasauroidea, Oculudentavis, Olindalacerta, Ophidia, Oxiella, Paikasisaurus, Palaeophidae, Paleochelco, Pangekkota, Panscincoidea, Panxantusiidae, Panxenosaurus, Paraplacosauriops, Parasaurillus, Parviraptor, Pseudosaurillus, Pythonomorpha, Sauripes, Scandensia, Scincogekkonomorpha, Scincoidea, Scincomorpha, Scleroglossa, Tedorosaurus, Thalattosauromorphi, Trachelosauridae, Vialorophis, Xestops gracilis, Yabeinosaurus, Yabeinosaurus youngi, Zanclodontidae
Ecology: