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
          
 Laterata Vidal & Hedges, 2005
            
 Teiformata Vidal & Hedges, 2005 [monotypic]
 see Suborder Teiformata Vidal & Hedges, 2005
              
 1 Superfamily Teiioidea Gray, 1827