Chordata Bateson, 1885 - chordates
Status: extant
   Vertebrata Cuvier, 1812 - vertebrates
  Status: extant
     Reptilia Linnaeus, 1758 - reptiles
    Status: extant
       Lepidosauria Duméril & Bibron, 1839
      Status: extant
         1 †Eosuchia Broom, 1914 see Clade Eosuchia Broom 1914 [Laurin 1991]
        Status: fossil
         2 Rhynchocephalia Günther, 1867 - tuataras
        Status: extant
         3 Squamata Oppel, 1811
        Status: extant