[Tetrapoda] Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
   Lepidosauria Haeckel 1866 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Class Lepidosauria Haeckel, 1866
     1 tuatara Gray, 1831
     2 squamates Oppel 1811 [Gauthier, Estes & de Queiroz 1988], nom. cl. inval. see Order Squamata Oppel, 1811