Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
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 Bonaparte, 1836
    Count: [f†f] 5c;94o;691f; ‡2o;8f; †1c;82o;712f;7g [22 Aug 2017]
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988], nom. cl. inval. see Clade Tetrapoda Hatschek & Cori 1896 [Laurin 2020]
      Count: [f†f] 4c;54o;292f; ‡2o;8f; †56o;574f;3g [22 Aug 2017]
         Class Amphibia Gray, 1825 [paraphyletic]
        Count: [f†f] 3o;27f; †8o;80f [5 Jul 2017]
           1 Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
          Count: [†f] †3o;53f [2 Jul 2017]
           2 Family †Diadectidae Cope, 1880
          Count: -
           3 Subclass †Lepospondyli Zittel, 1888 see Superorder Lepospondyli Zittel, 1887
          Count: [†f] †4o;20f [3 Jul 2017]
           4 modern amphibian orders
          Count: [f†f] 3o;27f; †1o;6f [5 Jul 2017]