Arachnida Lamarck, 1801
   Order Amblypygi Thorell, 1883 - whip spiders
     Suborder Paleoamblypygi Weygoldt, 1996 see Suborder Palaeoamblypygi Weygoldt, 1996
       1 Family Paracharontidae Weygoldt, 1996
       2 Genus †Graeophonus Scudder, 1890, nom. dub.
       3 Genus †Sorellophrynus Harvey, 2002
       4 Genus †Thelyphrynus Petrunkevitch, 1913