Squamata Oppel, 1811
   Suborder Scinciformata Vidal & Hedges, 2005
     Infraorder Scincomorpha Camp, 1923
       Superfamily Lygosomoidea Mittleman, 1952
         1 Family Ateuchosauridae Hedges, 2014 [monotypic]
         2.1 Family Sphenomorphidae Welch, 1982
         2.2.1.1 Family Eugongylidae Welch, 1982
         2.2.1.2 Family Lygosomidae Mittleman, 1952
         2.2.2.1 Family Egerniidae Welch, 1982
         2.2.2.2.1 Family Ristellidae Hedges, 2014
         2.2.2.2.2 Family Mabuyidae Mittleman, 1952