Squamata Oppel, 1811 Suborder Scinciformata Vidal & Hedges, 2005 Infraorder Scincomorpha Camp, 1923 Superfamily Lygosomoidea Mittleman, 1952 Family Ateuchosauridae Hedges, 2014 [monotypic] 1 Genus Ateuchosaurus Gray, 1845