Order Amblypygi Thorell, 1883 - whip spiders
   Suborder Euamblypygi Weygoldt, 1996
     Infraorder Neoamblypygi Weygoldt, 1996
       Clade Unidistitarsata Engel & Grimaldi, 2014
         Superfamily Phrynoidea Blanchard, 1852
           Family Phrynidae Blanchard, 1852
             1 Genus Acanthophrynus Kraepelin, 1899
             2 Genus †Britopygus Dunlop & Martill, 2002
             3 Genus †Electrophyrnus Petrunkevitch, 1971, orth. inval. see Genus Electrophrynus Petrunkevitch, 1971, nom. dub.
             4 Genus Heterophrynus Pocock, 1894
             5 Genus Paraphyrnus Reid, Leenders, Zook & Dean, 2010, orth. inval. see Genus Paraphrynus Moreno, 1940
             6 Genus Phyrnus orth. inval. see Genus Phrynus Lamarck, 1801