Phylum [Vertebrata] (Lamarck, 1801)
Count: -
   Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
  Count: 2o1f; †8o18f22g
     Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
    Count: [*] †4o9f11g
       Order †Temnospondyli Zittel, 1888 - temnospondyls
      Count: -
         Family †Colosteidae Cope, 1875 - colosteids
        Count: -
           Genus †Greererpeton Romer, 1969
          Count: -