Phylum [Vertebrata] Lamarck, 1801 see Infraphylum Vertebrata Lamarck, 1801
   Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
     Subclass †Labyrinthodontia Meyer, 1842 see Class Amphibia Linnaeus, 1758
       Order †Temnospondyli Zittel, 1888 - temnospondyls
         Family †Dissorophidae Boulenger, 1902
           Genus †Cacops Williston, 1910
           Genus †Platyhystrix Williston, 1911