Phylum [Vertebrata] (Lamarck, 1801)
   Class Amphibia Linnaeus, 1758 - amphibians see Class Amphibia Gray, 1825
     Order Anura Fischer von Waldheim, 1813
       1 Family Ascaphidae Fejérváry, 1923 see Family Leiopelmatidae Mivart, 1869
       2 Family †Palaeobatrachidae Cope, 1865