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