Arachnida Lamarck, 1801
   Order Amblypygi Thorell, 1883 - whip spiders
     Suborder Euamblypygi Weygoldt, 1996
       Infraorder Neoamblypygi Weygoldt, 1996
         Superfamily Phrynoidea Blanchard, 1852
           Family Phrynidae Blanchard, 1852
             Subfamily Heterophryninae Pocock, 1902
               1 Genus Heterophrynus Pocock, 1894