Vertebrata Cuvier, 1812 - vertebrates
Count: [f†f] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017]
   Gnathostomata
  Count: [f†f] 6c;98o;732f; ‡2o;8f; †2c;104o;782f;9g [22 Aug 2017]
     Teleostomi
    Count: [f†f] 5c;94o;691f; ‡2o;8f; †1c;82o;712f;7g [22 Aug 2017]
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
      Count: [f†f] 4c;54o;292f; ‡2o;8f; †56o;574f;3g [22 Aug 2017]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
        Count: [f†f] 3c;51o;265f; ‡2o;8f; †48o;494f;3g [22 Aug 2017]
           Reptilia Linnaeus, 1758 [paraphyletic] - reptiles
          Count: [f†f] 4o;48f; †19o;242f;2g [29 Jul 2017]
             Diapsida Osborn, 1903 - diapsids see Clade Diapsida Osborn 1903 [Gauthier & de Queiroz 2020]
            Count: [f†f] 3o;37f; †14o;150f;1g [27 Jul 2017]
               Lepidosauromorpha Benton, 1983 see Subclass Lepidosauromorpha Benton, 1983
              Count: [f†f] 2o;34f; †3o;38f;1g [9 Jul 2017]
                 Lepidosauria Haeckel, 1866 see Superorder Lepidosauriformes Gauthier, Estes & de Queiroz, 1988
                Count: [f†f] 2o;34f; †24f [7 Jul 2017]
                   Squamata Oppel, 1811
                  Count: [f†f] 33f; †22f [7 Jul 2017]
                     Lacertilia Owen, 1842
                    Count: [f†f] 21f; †17f [7 Jul 2017]
                       Iguania Latreille, 1825 see Suborder Iguania Cope, 1864
                      Count: [f†f] 3f; †2f [6 Jul 2017]
                         Iguanidae Oppel, 1811 - iguanas
                        Count: -