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 Phryninae Blanchard, 1852
               1 Genus Acanthophrynus Kraepelin, 1899
               2 Genus †Electrophrynus Petrunkevitch, 1971, nom. dub.
               3 Genus Paraphrynus Moreno, 1940
               4 Genus Phrynus Lamarck, 1801