Lepidosauria Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval.
see Class Lepidosauria Haeckel, 1866
Order Squamata Oppel, 1811
Bifurcata Vidal & Hedges, 2005
Unidentata Vidal & Hedges, 2005
Episquamata Vidal & Hedges, 2005
Toxicofera Vidal & Hedges, 2005
Anguimorpha Fürbringer, 1900
see Suborder Anguimorpha Fürbringer, 1900
Neoanguimorpha Vidal & Hedges, 2009
Superfamily Anguioidea Gray, 1825
see Superfamily Anguoidea Gray, 1825
Family Anniellidae Cope, 1864 [monotypic] - American legless lizards