Order Opiliones Sundevall, 1833 - harvestmen
   Suborder Laniatores Thorell, 1876 - armored harvestmen
     Infraorder Grassatores Kury, 2002
       Superfamily Gonyleptoidea Sundevall, 1833
         1 Family Agoristenidae Šilhavý, 1973
         2 Family Cosmetidae Koch, 1839
         3 Family Cranaidae Roewer, 1913
         4 Family Gonyleptidae Sundevall, 1833
         5 Family Manaosbiidae Roewer, 1943
         6 Family Stygnidae Simon, 1879